METHOD FOR PREPARING METALLIC TITANIUM BY ELECTROLYZING MOLTEN SALT WITH TITANIUM CIRCULATION

The present invention provides a method for preparing metallic titanium by electrolyzing molten salt with titanium circulation. The method mainly comprises reducing titanium tetrachloride (TiCl4) to at least one of titanium trichloride (TiCl3) and titanium dichloride (TiCl2) in chloride molten salt by metallic titanium (Ti), and electrolyzing the at least one of TiCl3 and TiCl2 in the chloride molten salt to form metallic titanium. According to the method for preparing metallic titanium of the present invention, TiCl2, and/or TiCl3 are prepared and electrolyzed continuously without changing the surrounding medium, thereby simplifying process flow, reducing power consumption, and realizing industrialization.

METHOD FOR PREPARING METALLIC TITANIUM BY ELECTROLYZING MOLTEN SALT WITH TITANIUM CIRCULATION

The present invention provides a method for preparing metallic titanium by electrolyzing molten salt with titanium circulation. The method mainly comprises reducing titanium tetrachloride (TiCl4) to at least one of titanium trichloride (TiCl3) and titanium dichloride (TiCl2) in chloride molten salt by metallic titanium (Ti), and electrolyzing the at least one of TiCl3 and TiCl2 in the chloride molten salt to form metallic titanium. According to the method for preparing metallic titanium of the present invention, TiCl2, and/or TiCl3 are prepared and electrolyzed continuously without changing the surrounding medium, thereby simplifying process flow, reducing power consumption, and realizing industrialization.

Plugging assembly mechanism for bottleneck of liquid bottle

A plugging assembly mechanism for a bottleneck of a liquid bottle comprises a base and a plug pressing puncher pin, wherein an installation hole matched with an inner plug in dimension is formed in the base, and two or more groups of rolling bearings are arranged at the edge of the installation hole and matched with the inner plug respectively to form rolling connection structures. A punching surface of a pressing head of the plug pressing puncher pin contacts with the inner plug to press the inner plug into the bottleneck. The plugging assembly mechanism for the bottleneck of the liquid bottle has the advantages of being capable of assembling the inner plug assembly for one time, high in speed and good in assembly quality.

Edible vegetable blend oil with balanced fatty acid

The invention relates to edible vegetable blend oil with balanced fatty acid. Edible vegetable oil being rich in omega-6 and omega-3 polyunsaturated fatty acid is used as a raw material, and nine kinds of vegetable oil comprising refined colza oil, refined soybean oil, pressed peanut oil, refined sunflower seed oil, refined corn oil, perilla herb oil, oil-tea camellia seed oil, rice bran oil and sesame oil are used for forming raw oil. The additions of all kinds of vegetable oil in per 100g of a refined oil product are as follows: 30-60g of refined colza oil, 30-55g of refined soybean oil, 1-30g of pressed peanut oil, 0-10g of refined sunflower seed oil, 0-20g of refined corn oil, 0-5g of perilla herb oil, 0-5g of oil-tea camellia seed oil, 0-5g of rice bran oil and 0-5g of sesame oil. Meanwhile, an antioxidant used as an additive agent is also added to the blend oil, and the content of the antioxidant is 0-20 percent of the weight of the edible blend oil. The invention has the advantages ...

Method for producing metal vanadium

The invention provides a method for preparing vanadium metal by the vanadium iron raw material. The method comprises the following steps: using metal extractant to extract vanadium from the vanadium iron raw material, thus obtaining alloy of the metal extractant and vanadium, and vanadium iron with reduced vanadium content; separating the alloy of the metal extractant and vanadium from the vanadium iron with reduced vanadium content; distilling the alloy of the metal extractant and vanadium in vacuum, thus obtaining the vanadium metal and metal extractant.

Screen projection method, screen projection system, electronic equipment and storage medium

The invention relates to the technical field of screen projection, in particular to a screen projection method, a screen projection system, electronic equipment and a storage medium. The method is applied to source end equipment, the source end equipment, target equipment and screen projection equipment are located in the same local area network, and the method comprises the steps that a screen projection interface selected by a user is obtained, and the screen projection interface of the source end equipment is sent to the screen projection equipment so as to be displayed on a screen of the target equipment; and if a control instruction for triggering the screen projection interface is not received and/or the screen projection interface is in a pause state within a first preset time period, hiding the screen projection interface. According to the method and the device, the screen projection interface can be hidden under the condition that a user does not use the source end equipment, so ...

Navigation device based on layering bidirectional heuristic route planning method

The present invention provides a navigation device that is based on a layering bi-direction enlightening-typed route planning method. The application method of the device integrates the layering calculation, the bi-direction searching calculation and the enlightening-typed calculation. Firstly, the quantity of the high-level layers and the layer-switching condition that are required to be plannedare determined, and the bi-direction enlightening-typed route plan is performed at the most bottom layer until the plan satisfies the layer-switching condition. Secondly, switching to the upper layerand judge whether the switched high layer is the finally-planned high layer: if the switched high layer is the finally-planned high layer, the bi-direction enlightening-typed route planning is performed at the layer until the final route is found; if the switched high layer is not the finally-planned high layer, the bi-direction enlightening-typed route planning is performed at the layer until satisfying ...

Vine plant climbing frame capable of conveniently preventing natural separation

The invention relates to the technical field of gardening, in particular to a vine plant climbing frame convenient for preventing natural disengagement, which comprises a support frame, a support plate is slidably connected to the bottom of an inner cavity of the support frame, plug pins are symmetrically and fixedly connected to the lower end surfaces of the support frame and the support plate, and an adjustable unfolding anti-disengagement mechanism is mounted on the upper end surface of the support frame. According to the vine plant climbing frame capable of preventing natural separation conveniently, the length size of the whole climbing frame can be adjusted according to the actual planting range of vine plants, and the use limitation caused by the fact that the size of a traditional climbing frame is difficult to adjust is changed; and the climbing frame can be contracted and stored when not used, space is saved, the situation that the vine plants slide downwards to be separated from ...

Methods for epitope mapping

A TRESI-HDX-based method for mapping protein-protein interactions comprises substantially simultaneously (a) initiating complexation between the proteins and (b) labelling the complex. In aspects, the proteins comprise an antibody and an antigen, an enzyme and a substrate, or a drug and a drug target. In aspects, the labelling time is from about 1 ms to about 1000 ms.

Large-diameter crown-shaped impactor for crushing hard rocks, and crushing method using same

Disclosed are a large-diameter crown-shaped impactor for crushing hard rocks and a crushing method using the same. Gas is intermittently introduced into the impactor through a 5 planetary gear train. By optimizing installation positions of a plurality of drill bits, auxiliary drill bits other than a main drill bit intermittently work to improve the transfer efficiency of impact energy. Compressed air is introduced from the transmission shaft to a guide sleeve through a cavity of a support base under the operation of the gas distribution blocks. The guide sleeve is communicated with the main drill bit and the compressed air is continuously 0 supplied to the main drill bit. When the gas distribution blocks are communicated with through holes on a drill bit mounting plate, the compressed air enters the auxiliary drill bits to realize gas distribution in cycles. The impactor of the application is supplied with gas intermittently and is designed with the crown-shaped structure to greatly reduce the working noise. During the working process, gas is introduced into the impactor of the application at 5 intervals, so that the auxiliary drill bits other than the mail drill bit work intermittently, thereby avoiding the damage to the rotational structure of the drill bits caused by the failure of the hitting, so as to improve the service life of the drill bits. 1/4 76 it a 2 3 FIG VA 5 FIG. 1

Preparation method of diethoxymethane

The invention relates to the field of preparation of chemical raw materials, and in particular relates to a preparation method of diethoxymethane. The preparation method comprises the steps of raw material preparation, dissolution, reaction and distillation, wherein a combinatorial catalyst of ethylenediamine tetraacetic acid and malic acid is used as an organic combinatorial catalyst, the characteristics of insolubility of ethylenediamine tetraacetic acid and solubility of malic acid in ethyl alcohol are utilized to ensure that an ethanol/formaldehyde solution reactant forms a heterogeneous and homogeneous phase reaction; meanwhile, in order to prevent residual formaldehyde in a product and resulted raw material wastes, the weight ratio of ethanol to formaldehyde is selected to ensure that the formaldehyde can not be remained in the product; moreover, through the recycling of water vapor during distillation, the energy consumption during production is reduced; meanwhile, the catalyst is ...

Epilepsy state closed-loop control experiment platform based on FPGA

The invention provides an epilepsy state closed-loop control experiment platform based on an FPGA. The FPGA serves as a lower computer of the experiment platform, and discharging waveform observation and parameter setting are carried out with the help of an upper computer interface compiled through VB. An epilepsy nerve cluster mathematic model is achieved through the FPGA, discharge mode control of an epilepsy nerve cluster network is achieved by means of closed-loop feedback control, and an upper computer is used for conducting parameter adjustment and discharging waveform observation. The method has the advantages that modeling for a complicated epilepsy neuron network is achieved through the experiment platform serving as non-animal experimenting of a biological neural network and based on the high-speed calculation FPGA neuron network, and the time scale is consistent with that of real biological neurons. The visualization research platform more close to a real neural network is provided ...

Method for removing crystal water in green vitriol

The invention provides a method for removing crystal water in green vitriol. The method for removing the crystal water in the green vitriol comprises mixing and drying of the green vitriol and ferrous sulfate monohydrate and / or anhydrous ferrous sulfate for removing the crystal water. By use of the method for removing the crystal water in the green vitriol, scale formation and wall sticking phenomenon in the process of drying of the green vitriol can be very effectively avoided, so that the drying process can be smooth.

Integral automatic inner spray coating device for steel barrel bottom, cover and barrel frame

The invention discloses an integral automatic inner spray coating device for a steel barrel bottom, a cover and a barrel frame, which comprises a spray gun and a driver, wherein the driver drives the spray gun to move left and right, the steel barrel bottom, the cover and the barrel frame are respectively and manually placed in respective stations, a starting press key is pressed, and the spray gun sequentially sprays the steel barrel cover, the barrel frame and the steel barrel bottom through being driven by the driver. The invention has the advantages of reasonable design of the equipment, compact structure, convenient operation, high automation degree, labor saving, time saving and capability of completing the whole spray coating process of the steel bottom, the steel cover and the barrel frame through pressing one key. The manual operation only needs two persons, one person places spray coating elements before spray coating, and one person takes away the spray coating elements after ...

Method for refining yellow mealworm oil

Air conditioned storage technology of ginseng class traditional Chinese medicinal materials of transplanted wild ginseng, wild ginseng, American ginseng and the like

An air conditioned storage technology of ginseng class traditional Chinese medicinal materials of transplanted wild ginseng, wild ginseng, American ginseng and the like comprises the following steps: (1) bagging, wherein the ginseng class traditional Chinese medicinal materials are arranged in an air conditioned bag; (2), air distribution, wherein an air conditioned matching machine is used for preparing needed air conditioned ratio N2:(73-80) percent, O2:(0-2) percent, and CO2:(20-25) percent, and the ratio is the air volume ratio; (3) inflation, wherein an air conditioned packaging machine is used for carrying out inflation on bagged ginseng class traditional Chinese medicinal material dry herbs; (4) packaging, an aluminum nail sealing machine is used for packaging the inflated dry ginseng class traditional Chinese medicinal material products; (5) sterilization, wherein ultraviolet sterilization is carried out on the dry ginseng class traditional Chinese medicinal material products contained ...

METHODS FOR EPITOPE MAPPING

A TRESI-HDX-based method for mapping protein-protein interactions comprises substantially simultaneously (a) initiating complexation between the proteins and (b) labelling the complex. In aspects, the proteins comprise an antibody and an antigen, an enzyme and a substrate, or a drug and a drug target. In aspects, the labelling time is from about 1 ms to about 1000 ms.

Balanced-nutrition healthy edible blend oil with brain tonic efficacy

The invention relates to balanced-nutrition healthy edible blend oil with brain tonic efficacy. The balanced-nutrition healthy edible blend oil is prepared by adopting vegetable fat as a main raw material and adding seaweed oil which occupies 0.02-0.9 percent by weight of the edible blend oil. The edible blend oil contains omega-6 polyunsaturated fatty acid and omega-3 polyunsaturated fatty acid in a weight ratio of 4:1 to 6:1 and also comprises an additive of antioxidant which occupies 0-0.2 percent by weight of the edible blend oil. The invention has the advantages that the blend oil has balanced proportion of fatty acid, reasonable proportion of polyunsaturated fatty acid, natural anti-oxidation efficacy to human bodies and healthcare functions of promoting brain development and preventing diseases, such as cardiovascular diseases, and the like, improves the oxidation stability of the blend oil and reduces the fishy smell after the seaweed oil is added.

Internal bottle plug drilling machine

The invention discloses an internal bottle plug drilling machine. The internal bottle plug drilling machine comprises a drilling device which is connected with a frame, and is driven by a power drive unit to move and drill; drilling direction of the drilling device is provided with a main rotating wheel which is arranged right oppositely to a drilling position; the rotating plane of the main rotating wheel is vertical to the drilling device; a same turning radius of the main rotating wheel is provided at least two drilling positioning grooves; the frame is provided with internal bottle plug guide rails; the internal bottle plug guide rails are used for arranging the internal bottle plug, and delivering the internal bottle plug to an outlet of the lower end of the internal bottle plug guide rails; and an outlet of the upper end of the internal bottle plug guide rails is arranged right oppositely to the drilling positioning grooves of the main rotating wheel. Advantages of the internal bottle ...

Preparation method for titanium-aluminum-vanadium alloy powder

The invention relates to a preparation method for titanium-aluminum-vanadium alloy powder and belongs to the field of titanium alloys. A technical problem to be solved in the invention is to provide the preparation method for the titanium-aluminum-vanadium alloy powder. The preparation method for the titanium-aluminum-vanadium alloy powder comprises the following steps: a, preparing an electrode, namely uniformly mixing TiO2, Al2O3 and V2O5 powder, pressing for forming, and sintering at a high temperature to prepare a titanium-aluminum-vanadium electrode; and b, carrying out molten salt electrolysis reaction, namely with the prepared titanium-aluminum-vanadium electrode as a cathode, a graphite rod as an anode and NaCl-CaCl2 as molten salt electrolysis liquor, carrying out molten salt electrolysis reaction, wherein powder obtained in a cathode frame is titanium-aluminum-vanadium alloy powder. The product prepared by the method disclosed by the invention is alloy powder, so that materials ...

Tool for detecting fan shroud mounting bracket

The utility model discloses a tool for detecting a fan shroud mounting bracket. The device comprises a fixing frame, a base, pulleys, gears and racks, the device further comprises a first controller,a second controller, a third controller, a first digital motor and a second digital motor. The device also comprises a tool detector, a base is arranged at the top of the fixing frame; a first motor base is arranged on the left side in the top surface of the base; a first motor base is arranged on the base, a first digital motor is arranged on the first motor base, a pulley is arranged on the sideface of the first motor base, a second motor base is arranged behind the right side of the base, a second digital motor is arranged on the second motor base, a gear is arranged at the power output shaft end of the second digital motor, and a rack is arranged below the gear. The utility model has the characteristics of low production rejection rate, high working efficiency, strong adaptability andthe ...

Method and apparatus for acquiring a high dynamic image using multiple cameras

The present invention discloses a terminal. The terminal includes: a first camera, a second camera, a processor, the processor is connected to both the first camera and the second camera, the first camera and the second camera are located on a same side of the terminal, the first camera is configured to acquire an image in a first region; the processor is configured to: analyze the image acquired by the first camera, determine, according to an analysis result, exposure used when the second camera acquires an image in a second region; the second camera acquires the image in the second region according to the exposure that is determined by the processor and is used when the second camera acquires the image in the second region; the processor is configured to synthesize the images into a high dynamic image.

Method for preparing TiCxOy composite anode with electrolysis method

The invention provides a method for preparing a TiCxOy composite anode with an electrolysis method, comprising the following steps: taking titanium containing material and carbonaceous reducing agent as raw materials; evenly mixing the raw materials according to chemical reaction metering proportion; preparing a composite anode primary product by pressure shaping; taking the composite anode as a cathode, graphite electrode as an anode and alkali metal chloride fused salt as electrolyte to form an electrolytic cell to perform electrolysis; separating out parts of oxygen of titanium dioxide in the composite anode primary product in the mode of ion, transporting to the anode, and generating O2 and CO or/ and CO2 on the anode; causing the other part of oxygen to react with carbon in the raw materials to generate CO; and finally, obtaining the finished product of the TiCxOy composite anode. The method can realize the continuous production of the TiCxOy composite anode and greatly lowers the ...

Image capturing lens with rear diaphragm

The invention discloses an image capturing lens with a real diaphragm. The image capturing lens with the real diaphragm comprises a first lens body, a second lens body, a third lens body, a fourth lens body and the rear diaphragm (5), wherein the lens bodies are sequentially arranged in the incidence direction of light rays and the rear diaphragm (5) is used for limiting light ray passing. The first lens body (1) is a meniscus lens. The second lens body (2) is a double-concave lens. The third lens body (3) is a plano-concave lens. The fourth lens body (4) is a double-convex lens. The focal length of the image capturing lens with the rear diaphragm ranges from 64.6 mm to 71.4 mm. The relative aperture is 1:4. After the image capturing lens with the real diaphragm is matched with a 1/3inCCD, the field angle of the image capturing lens is 4 degree * 3 degree. The image capturing lens with the real diaphragm has the advantages that the dispersing speckles of imaging points all approach the ...

Concrete wet spraying machine with templates on two arms and construction method

The concrete wet spraying machine comprises a wet spraying machine body and a pumping mechanism, wet spraying mechanical arms are fixedly installed on the two sides of the wet spraying machine body, a material pipe used for conveying wet spraying concrete is fixed to the side faces of the wet spraying mechanical arms, one end of the material pipe is connected with the pumping mechanism, and the other end of the material pipe is connected with the formwork. The other end of the material pipe is connected with the wet spraying mechanism, and a splicing template for limiting the spraying direction of the wet spraying mechanism is installed at the end, away from the pumping mechanism, of the wet spraying mechanical arm. An existing single-arm wet spraying machine is transformed into a double-arm wet spraying machine, it is ensured that the sprayed face can be symmetrically constructed all the time, and the spraying efficiency is improved; and meanwhile, the splicing template is fixed at the ...

Emergency standby multimode power generation device and use method thereof

The invention discloses an emergency standby multimode power generation device and a use method thereof, and belongs to the technical field of new energy and energy conservation. Comprising a rotating arm, a space crank sliding block mechanism, a pressing switch, a shell, and a limiting platform, a vibration spring shaft, a vibration spring, a pressing transmission mechanism, a base, a scissor type pressing mechanism, a T-shaped sliding sleeve, a cylindrical linear motor and a central straight cylinder locking mechanism which are arranged in the shell. According to the invention, a cylindrical linear generator is used as an energy collection device, and the power generation device integrates vibration power generation, hand-cranking power generation and pressing power generation. Energy generated by vibration in the walking process of a human body can be absorbed, and conversion of electric energy can be achieved through hand cranking and pressing in an emergency. According to the invention ...

Backlight detection method and device

A backlight detection method and device, and the method includes acquiring a brightness value of each image block in a to-be-checked image, determining a brightness relationship between the adjacent image blocks according to the brightness value of each image block; and determining a dark region and a bright region in the to-be-checked image according to the brightness relationship between the adjacent image blocks, and determining whether the to-be-checked image is a backlight scenario according to the dark region and the bright region. The backlight detection method and device provided by the embodiments of the present invention can improve accuracy of backlight detection.

Communication terminal multimedia value-added service platform based on third generation communication system

The invention discloses a communication terminal multimedia value-added service platform based on a third generation communication system. The platform is used for providing multimedia value-added services for various communication terminals through a third generation communication network, and comprises a service center and a database. The service center comprises a register server, a session server and a video server, wherein the register server is used for finishing registration operation of a user on the platform and saving the registered user information on the platform; the session server is connected with the register server and is used for communicating one communication terminal user and a plurality of communication terminal users through the third generation communication network; and the video server is respectively connected with the register server and the session server and is used for finishing video processing. The platform also comprises a game server, a session server, ...

Material distribution device for preparation of chloride molten salt and equipment for titanium molten salt electrolysis refining

The invention relates to the field of titanium molten salt electrolysis refining, and specifically discloses a material distribution device for preparation of a chloride molten salt and equipment for titanium molten salt electrolysis refining, and the material distribution device includes an open container (10) for containing titanium sponge, and an isolating pipe (20) for isolating a TiCl4 catheter and the titanium sponge in the open container (10); the isolating pipe (20) is arranged in the open container (10), the open container (10) is provided with a first hole (11), and the pipe wall of the isolating pipe (20) is provided with a second hole (21). According to the material distribution device for preparation of the chloride molten salt and the equipment for titanium molten salt electrolysis refining, by arrangement of the isolating pipe, when the TiCl4 catheter is blocked and needs to be replaced, the titanium sponge may not cover the inserting space of the TiCl4 catheter, so that ...

Preparation method for silicon-calcium alloy

The invention relates to a preparation method for a silicon-calcium alloy, belongs to the field of an iron alloy, and aims to solve the technical problem of how to provide a preparation method for a silicon-calcium alloy. The preparation method comprises the following steps: (1) adding molten metal additives into a reacting furnace; (2) adding furnace burden into the reacting furnace, remelting at 1400-1550 DEG C and mixing to obtain a furnace burden melted liquid, wherein the furnace burden comprises lime, ferrosilicon and fluxing agents, the weight ratio of lime to fluxing agents is 1: (0.2-0.5), and the fluxing agent is aluminium oxide; (3) casting and cooling down the furnace burden melted liquid to obtain the silicon-calcium alloy. According to the preparation method, 350-500 KWh of power consumption can be reduced to produce 1 ton of the silicon-calcium alloy; the produced silicon-calcium alloy is lower in silicon-calcium loss ratio and uniform in distribution of ingredients; the ...

Photographing Method for Dual-Lens Device and Dual-Lens Device

A photographing method for a dual-lens device may include acquiring a first image collected at a first moment by a first image sensor and a second image collected at the first moment by a second image sensor; performing scene recognition on the first image and/or the second image, and performing depth estimation on the first image and the second image to determine a photographing environment; and when an instruction for a photographing operation is received, generating a picture using the multi-frame algorithm. When photographing is performed using a multi-frame algorithm, two frames of images can be collected at the same time using a dual-lens device, which can reduce impact caused by a jitter of the device or a motion of a target object, so that ghost detection and an elimination algorithm are not required, thereby reducing a photographing time. 1. A photographing method for a dual-lens device , wherein the dual-lens device comprises a first lens and a second lens that are disposed on a same plane of the dual-lens device , the photographing method comprising:acquiring a first image collected at a first moment by a first image sensor corresponding to the first lens and a second image collected at the first moment by a second image sensor corresponding to the second lens;performing scene recognition on at least one of the first image and the second image;performing depth estimation on the first image and the second image to determine a photographing environment, wherein the photographing environment comprises at least one of a scene with a wide depth of field, a distant scene with a high dynamic range (HDR), and a distant scene with rich details;determining a multi-frame algorithm according to the photographing environment; andsynthesizing a third image and a fourth image by using the multi-frame algorithm to generate a picture when an instruction for a photographing operation is received.2. The photographing method according to claim 1 , wherein determining the ...

Method and device for rapidly eliminating electrode short circuit of magnesium electrolytic cell

The invention discloses a method for rapidly eliminating electrode short circuit of a magnesium electrolytic cell. The method is characterized in that inert gas is blown into a gap between electrodes in the magnesium electrolytic cell when the cell voltage of the magnesium electrolytic cell is more than 10% lower than that of the magnesium electrolytic cell under normal conditions, or the difference between the current intensities of every two electrodes in the magnesium electrolytic cell is more than 5%. The device is used for blowing the inert gas into the gap between the electrodes in the magnesium electrolytic cell. By adopting the method and device for rapidly eliminating the electrode short circuit of the magnesium electrolytic cell, disclosed by the invention, the problem of local short circuit of the magnesium electrolytic cell can be effectively solved, thus being favorable for ensuring the normal operation of the magnesium electrolytic cell and the smooth running of the magnesium ...

Method for preparing metallic titanium

The invention provides a method for preparing metallic titanium. The method comprises the following steps of: in the process of melting titanium slag by using titanium concentrate, directly adding excessive carbon-containing reducing agents to obtain titanium carbide or introducing nitrogen while directly adding the excessive carbon-containing reducing agents to prepare titanium nitride or titanium carbonitride in the melting process of the titanium slag; electrolyzing molten salts containing low-valence chloride of titanium to obtain metallic titanium powder by taking the prepared titanium carbide, the titanium nitride or the titanium carbonitride as a soluble anode and a metal material as a cathode; in addition, further electrolyzing and refining products obtained in the later period of the electrolysis to obtain high-purity titanium. The method has the advantages of simple process, low raw material cost, low energy consumption, small investment in permanent assets and the like. In addition ...

Intelligent fish tank

The utility model discloses an intelligent fish tank, including the cylinder body, be fixed with the filtration pump that is used for the hydrologic cycle at the inner wall middle part of cylinder body, illumination LED lamp is adorned and is lapped the bottom at the fish bowl, and the monitor control circuit case dress is middle bottom the apron, and light intensity sensor fixes under the apron, and the three sensor of pH value, dissolved oxygen and ammonia nitrogen is fixed in aqueous, and gear regulating switch adjusts alarm threshold value, the characteristic is: in the inner wall of cylinder body, upper portion is equipped with the twice filter -tank to weaken under the eaves gutter the noise and to the impact of fish. The utility model discloses utilize biologically and the physical method filtration, water purification increases the dissolved oxygen volume, keeps stabilization of water quality, fresh. The filter -tank can be dismantled, is convenient for rinse. By the commercial ...

Short-time matching method for resisting spectrum dispersion interference

The invention provides a short-time matching method for resisting spectrum dispersion interference, which is used for solving the problem of improving signal performance during multi-spectrum dispersion interference in the prior art. According to the method, the suppression of one or more frequency spectrum dispersion interferences is realized through positioning, parameter estimation, filtering, interception, reconstruction and cancellation by using digital channel data of radar, and then the parameter estimation of a target is realized through filtering and detection technologies; performing inverse transformation on the interference data by using a reconstruction technology to obtain estimated interference time domain data; interference suppression is realized through cancellation, signal filtering is realized by using an original filter, and finally target parameters are output through a detector. The method only relates to a digital receiving channel of the radar, and only uses time ...

Beam-type transition layer cast-in-situ crossbeam construction formwork supporting system

The invention discloses a beam-type transition layer cast-in-situ crossbeam construction formwork supporting system. Through adding a slanting pole support in the traditional vertical supporting system, the beam-type transition layer cast-in-situ crossbeam construction formwork supporting system transfers enormous construction load to a vertical construction member and a transition layer column of a building, well utilizes the advantage that the transition layer column can bear enormous vertical pressure, solves the difficult problem of insufficient bearing force of the next-layer lateral construction beam slabs of the building, avoids the drawbacks of complexity and more force transmission levels of a traditional supporting system, and has the advantages of simple design calculation, small use amount of pheripheral material consumption, small work amount, shorter engineering period, saved manpower, material resources and financial resources and strong adaptability the like. The dimension ...

Plate overturning device for crystalline silicon solar battery screen print equipment

The utility model discloses a plate overturning device for crystalline silicon solar battery screen print equipment and belongs to the field of crystalline silicon solar battery plate production equipment of photovoltaic industry. The plate overturning device resolves the problems that silicon plates are overturned by absorption at present, uneven stress and compact to the silicon plates are easily caused, and accordingly the silicon plates can have cracks or even fragments. The plate overturning device comprises a motor, a coupler, a rotating shaft, an original point positioning mechanism and a plurality of plate overturning units which are fixed on the rotating shaft, capable of overturning along with the rotating shaft and used for mounting battery plates. The plate overturning device for crystalline silicon solar battery screen print equipment can achieve stable and efficient overturning of the battery plates, prevents the battery plates from having cracks or even fragments caused by ...

Cold rolling emulsified oil for copper and copper alloy and method for manufacturing same

The invention belongs to the lubricant field, in particular relating to copper and copper alloy cold rolling emulsifying oil with good stability and a manufacturing method thereof. The compositions by weight percentage are as follows: 60 to 70 percent of neutral machine oil, 4 to 6 percent of palm oil, 3 to 6 percent of sulfurized castor oil, 6 to 9 percent of Arlacel-80, 4 to 7 percent of Tween-60, 1 to 3 percent of oleic acid, 1 to 2 percent of trolamine, 3 to 6 percent of sodium alkane sulfoate with 35 to 45 percent of active matter, 1 to 3 percent of tricresyl phosphate, and 0.01 to 0.1 percent of benzotriazole. The emulsifying oil is produced through the method of stepping, adding and stirring, and heating. When the emulsifying oil is diluted into emulsified liquid with a volume concentration between 1 and 8 percent by water, the emulsified liquid can be directly used for machining processes such as cold rolling of sheet materials and belt materials and the drawing of rod materials ...

Heat transmission copper pipe

The invention relates to a heat transfer copper pipe which comprises a copper pipe body, a plurality of tooth spaces which are arranged on the lateral inner surface of the copper pipe body and extend along the axial direction, wherein, the tooth spaces are distributed equably on the lateral inner surface of the copper pipe body and start at the top end surface of the copper pipe body while end with the bottom end surface of the copper pipe body. A tooth block is formed between adjacent tooth spaces and is vertical to the transverse section of the axial direction of the copper pipe body, wherein, the tooth block presents roughly a trapezoid, and an included angle between extending lines of two sides of the tooth block is larger than 0 DEG and smaller than or equal to 15 DEG. The heat exchange area of the trapezoid-shaped tooth block is larger, and the turbulence degree of fluid flow of condensate can be enhanced, thus, the heat exchange efficiency of the copper pipe can be improved.

Positive electrode active material and preparation method thereof, positive electrode plate and lithium ion secondary battery

The invention discloses a positive active material and a preparation method thereof, a positive pole piece and a lithium ion secondary battery. The positive electrode active material comprises body particles and an M1 element-containing oxide coating layer coating the outer surfaces of the body particles, and the body particles comprise nickel-containing lithium composite oxide; the bulk phase of the bulk particles is uniformly doped with an M2 element; the surface layer of the body particle is an outer doped layer doped with an M3 element; the M1 element and the M3 element are respectively and independently selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y and B, and the M2 element comprises one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce and W. By adopting the positive electrode active material provided by the invention, the lithium ion secondary battery can simultaneously have relatively high energy density, high-temperature cycle performance and high-temperature ...

Silicon steel sheet integration method for transformer iron core

A silicon steel sheet integration method for a transformer iron core comprises the steps that firstly, a transportation platform is arranged on a datum plane, and silicon steel sheets are placed and transported on the transportation platform; secondly, an angle adjusting frame is arranged below the transportation platform; thirdly, a supporting frame is arranged on the angle adjusting frame; fourthly, a detachable transportation tray is arranged on the supporting frame; fifthly, the included angle between the upper surface of the transportation tray and the datum plane is set to be an obtuse angle; sixthly, the position above the conveying tray is preset to be a falling area where the silicon steel sheets fall; seventhly, a pressing mechanism is arranged behind the tail end of the conveying platform; eighthly, a laser distance measuring sensor is arranged on the lower surface of the conveying platform and used for adjusting the position of the supporting frame; ninthly, the transportation ...

Scene Recognition Method and Apparatus

A scene recognition method includes acquiring an image and sensor data corresponding to the image and determining, in accordance with the sensor data, whether a scene of the image is a non-high-dynamic range (HDR) scene. The method also includes extracting an image feature of the image when it is not determined whether the scene of the image is the non-HDR scene and determining, in accordance with the image feature, whether the scene of the image is an HDR scene. 1. A scene recognition method comprising:acquiring an image and sensor data corresponding to the image;determining, in accordance with the sensor data, whether a scene of the image is a non-high-dynamic range (HDR) scene;extracting an image feature of the image when it is not determined whether the scene of the image is the non-HDR scene; anddetermining, in accordance with the image feature, whether the scene of the image is an HDR scene.2. The method of claim 1 , wherein extracting the image feature of the image comprises extracting claim 1 , in accordance with an image histogram distribution of the image claim 1 , a dark area pixel ratio of the image claim 1 , a bright area pixel ratio of the image claim 1 , an intensity of dark area histogram variation of the image claim 1 , and an intensity of bright area histogram variation of the image.3. The method of claim 2 , wherein determining claim 2 , in accordance with the image feature claim 2 , whether the scene of the image is the HDR scene comprises:determining, in accordance with the image feature, whether the image is underexposed and whether the image is overexposed; anddetermining that the scene of the image is the HDR scene when the image is underexposed and the bright area pixel ratio of the image is not less than a preset minimum value of a bright area pixel ratio for HDR scenes, or when the image is overexposed and the dark area pixel ratio of the image is not less than a preset minimum value of a dark area pixel ratio for HDR scenes.4. The method ...

Image processing method and apparatus, and electronic device

This application provides an image processing method and an electronic device. The method includes: obtaining a first image and a second image that are acquired at a same acquisition moment, where the first image is obtained by using a first photographing unit to acquire an image in a first acquisition region, and the second image is obtained by using a second photographing unit to acquire an image in a second acquisition region, where a parameter of the first photographing unit and a parameter of the second photographing unit are the same, and there is an overlapping acquisition region between the first acquisition region and the second acquisition region; and determining, according to the first image and the second image, whether the first photographing unit and the second photographing unit are normal.

Inserted lamp shade

The utility model discloses an inserted lamp shade, lamp shade include that the surface can wrap up the braced frame of the fretwork of the mould of knitting with silk that the material of knitting with silk made, and braced frame is high temperature resistant and played a supporting role, and the braced frame surface can wrap up the mould of knitting with silk of the material of knitting with silk, also include the inserted plastic housing body that has the light transmissivity that heats and link up and form on the plastic strip of extruding the molten condition and the even curtaining of plastic strip to braced frame, the mould internal surface of knitting with silk by small -size plastics extruder to the plastics raw materials, and braced frame's fusing point is higher than the fusing point of the plastic housing body. Braced frame is become by the metallic. The last floral designs that are equipped with a plurality of fretworks of braced frame.

System and method for screening transmission performances of semiconductor laser

The invention discloses a system and method for screening the transmission performances of a semiconductor laser, and belongs to the technical field of optical communication. The system comprises an upper PC (personal computer), a bit error ratio (BER) test chip and a microprocessor as well as a limiting amplifier which are connected with the upper PC through a control bus (CB), a laser drive chip connected with the BER test chip and the microprocessor, a pre-coupled semiconductor laser optical component connected with the laser drive chip, and a photoelectric detector connected with the limiting amplifier. The method comprises the following steps: pre-coupling the laser and an optical component material; initializing the system; transmitting an optical signal; converting the optical signal into an electrical signal; and sending pseudo-random code (PRC) stream, receiving and converting data stream, and comparing the PRC stream with the data stream. The system and the method have the beneficial ...

Foundation pit supporting system and construction method thereof

The invention relates to the technical field of foundation pit construction, and provides a foundation pit supporting system and a construction method thereof.The foundation pit supporting system is used for being arranged at a plurality of bridge piers and specifically comprises two sets of protection structures, each set of protection structure is arranged around one set of bridge piers, and a foundation pit is formed between the two sets of protection structures; the in-pit reinforcing body is arranged in the foundation pit, and the in-pit reinforcing body is used for reinforcing the soft soil layer of the base in a full reinforcing mode; and the inner support is arranged in the foundation pit so as to support different groups of protection structures, and the inner support is arranged above the in-pit reinforcing body. The foundation pit supporting system provided by the embodiment of the invention can be used for bridge pier protection and foundation pit supporting, solves the problem ...

Controlled atmosphere storage process of such Chinese herbal medicines as corn cervi pantotrichum, oviductus ranae and odobenus rosmarus

The invention discloses a controlled atmosphere storage process of such Chinese herbal medicines as corn cervi pantotrichum, oviductus ranae and odobenus rosmarus. The process comprises the following steps: (1) bagging: dry products of Chinese herbal medicines are loaded into controlled atmosphere bags; (2) gas distribution: the needed controlled atmosphere ratios of N2: (47-59)%, O2: (1-3)% and CO2: (40-50)% are prepared by a gas distribution machine, and are gas volume ratios; (3) inflation: the bagged Chinese herbal medicines are inflated by a controlled atmosphere packing machine; (4) packing: the inflated Chinese herbal medicines are packed by an aluminum nail sealing machine; (5) disinfection: the dry products of the Chinese herbal medicines loaded into the controlled atmosphere bags are ultravioletly disinfected, and are irradiated for 4-5 min by a 20 W ultraviolet lamp according the distance of 1+- 0.1 m; and (6) warehousing: the disinfected packed products are conveyed into a dry ...

Golf ball-picking car

The invention provides a golf ball-picking car. The golf ball-picking car comprises a car body (1) and a ball picker (2); a fixed bracket (3) which is arranged at the middle of the tail end of the car body (1); the ball picker (2) comprises a ball picker body (4) and a movable connector (5); one end of the movable connector (5) is connected with the fixed bracket (3), and the other end of the movable connector (5) is connected with the ball picker body (4). The golf ball-picking car provided by the invention can solve the problem that golf ball-picking cars in the prior art can severely damage the grounds of golf fields.

Unmanned aerial vehicle power supply system charge state evaluation system and method based on digital twinning

The invention provides an unmanned aerial vehicle power supply system charge state evaluation system and method based on digital twinning. The system comprises an acquisition module, an SOC estimation module and a data driving error compensation module. The sampling module is used for sampling lithium battery terminal voltage, discharge current, battery surface temperature and battery surface humidity, and sending signals obtained by sampling to the SOC estimation module and the data driving error compensation module; the SOC estimation module is used for predicting the state of charge of a lithium battery of an unmanned aerial vehicle energy system; the input variables of the SOC estimation module comprise sampling signals of lithium battery terminal voltage and discharge current, and the output variables comprise the state of charge of the lithium battery; and the data driving error compensation module is used for compensating a prediction error of the SOC estimation module and comprises ...

Device and method for uniformly spraying battery diaphragm

The invention relates to the technical field of spraying equipment, and discloses a device and method for uniformly spraying a battery diaphragm, the device comprises a main body structure, a translation structure and a spraying structure, the translation structure is fixedly arranged on the main body structure, and the spraying structure is fixedly arranged on the translation structure and located above the main body structure; a diaphragm can be fixed through the limiting assembly and can be turned over by 180 degrees through cooperation with the face changing assembly, and then drying is promoted by means of the drying assembly; the spraying structure can be driven to move through the translation structure, spraying can be directly conducted within a large range by means of linkage of a spraying head in the spraying structure, the spraying time is shortened, and adjustment can be conducted according to the transverse length of spraying; and large-range single-time uniform spraying and ...

ADAPTER, NOZZLE STRUCTURE, ASSEMBLY CONSISTING OF THE ADAPTER AND THE NOZZLE STRUCTURE AND THE ASSEMBLING METHOD THEREOF

The present invention discloses an assembly that can be used in windscreen wipers of vehicles and is consisting of an adapter and a nozzle structure, and also the assembling method thereof. Here the adapter presents a first adapter assembling feature () and a second adapter assembling feature (). The nozzle structure () presents a first nozzle structure assembling feature () and a second nozzle structure assembling feature (). The first adapter assembling feature and the first nozzle structure assembling feature are matched with each other to form a first connection in the form of pin-aperture between the adapter and the nozzle structure, and the nozzle structure and adapter are rotatably pre-assembled together when they are connected only be means of the first connection. The second adapter assembling feature and the second nozzle structure assembling feature are matched with each other to form a second connection in the form of snap fit between the adapter and the nozzle structure. The nozzle structure is secured to the adapter through the first connection and the second connection. 1. An assembly used in windscreen wipers , comprising:an adapter used for connecting and securing a nozzle structure and comprising a first adapter assembling feature and a second adapter assembling feature;the nozzle structure having a body, a nozzle extending from the body, a first nozzle structure assembling feature and a second nozzle structure assembling feature;wherein the first adapter assembling feature and the first nozzle structure assembling feature are matched with each other to form a first connection in the form of pin-aperture, in particular pin-circular aperture, between the adapter and the nozzle structure, and the nozzle structure and the adapter are rotatably pre-assembled together when they are connected only by means of the first connection;wherein the second adapter assembling feature and the second nozzle structure assembling feature are matched with each other ...

Evaporation heat transfer pipe

The invention provides an evaporation heat transfer pipe. A fin part of the evaporation heat transfer pipe comprises a plurality of parallel outer fins and inter-fin grooves formed between the outer fins, wherein the cross section of each outer fin is in an approximate umbrella or T shape, and each outer fin comprises a main fin and two sub fins arranged on the top of the main fin, wherein in a horizontal unfolding structure of the fin part, the top end of each sub fin forms a certain included angle with the horizontal end line, a slit flow passage is formed between two adjacent sub fins respectively positioned on two adjacent outer fins, and each inter-fin groove is divided into an upper fin groove and a lower fin groove through the slit flow passage. The evaporation heat transfer pipe provided by the invention increases the heat exchange area exponentially, enhances the turbulence degree of the flowing of fluid, has stable steam gathering capability, can form stable vaporization cores ...

Data migration test method and device, electronic equipment and computer storage medium

The invention provides a data migration test method and device, electronic equipment and a computer storage medium. The method comprises the steps that a database migration request is received; then, according to the basic information of the to-be-migrated database, obtaining the data volume of each data table in the to-be-migrated database and the total data volume of all the data tables of the to-be-migrated database; then, according to the reference migration error rate, the target migration error rate, the first risk probability and the second risk probability, determining a minimum sample data size; for each data table, determining the number of data needing to be compared according to the data volume of the minimum sample, the data volume of the data table and the total data volume of all the data tables of the database to be migrated; and finally, after the migration of the data table is completed, randomly extracting data of the number of data needing to be compared from the data ...

Intelligent building air conditioner energy-saving system and method based on edge computing terminal

The invention discloses an intelligent building energy-saving system based on an edge computing terminal. The system comprises a communication system, a cloud platform, the edge computing terminal deployed in a building control cabinet and edge nodes deployed near room temperature adjusting equipment. The edge node is used for collecting equipment operation data and environment temperature and humidity in real time and sending the collected data to the edge computing terminal and the cloud platform through the communication system; the edge computing terminal analyzes the collected data and makes an energy-saving strategy, and the edge computing terminal sends a control signal to control the operation of the equipment through the communication system and uploads the processed data and the energy-saving strategy to the cloud platform; and the cloud platform analyzes and visually displays the received data, sends an instruction signal to the edge computing terminal and the edge node through ...

Auto-Focus Method and Apparatus and Electronic Device

An auto-focus method including at a same moment, collecting a first image of a first object using a first image shooting unit, collecting a second image of the first object using a second image shooting unit, calculating M pieces of first depth information of M same feature point pairs in corresponding areas in the first image and the second image, determining whether confidence of the M pieces of first depth information is greater than a threshold, obtaining focusing depth information according to N pieces of first depth information in the M pieces of first depth information when the confidence of the M pieces of first depth information is greater than the threshold, obtaining a target position of a first lens of the first image shooting unit according to the focusing depth information, and controlling the first lens to move to the target position. 1. An auto-focus method , comprising:simultaneously collecting a first image of a first object using a first camera and a second image of the first object using a second camera;calculating M pieces of first depth information of M same feature point pairs in corresponding areas in the first image and the second image, wherein M is a positive integer;determining whether confidence of the M pieces of first depth information is greater than a threshold;obtaining focusing depth information according to N pieces of first depth information in the M pieces of first depth information when the confidence of the M pieces of first depth information is greater than the threshold, wherein N is a positive integer less than or equal to M;obtaining a target position of a first lens of the first camera according to the focusing depth information; andcontrolling the first lens to move to the target position.2. The method according to claim 1 , wherein the corresponding areas correspond to positions of focus windows when the first image and the second image are collected claim 1 , wherein an area in the first image is a first area claim 1 , ...

Stirring equipment temperature measurement structure

The invention relates to a stirring equipment temperature measurement structure including a hollow column jacket, a sealing cone pad, a temperature measuring head package, a chip type platinum resistor, a sealing gum, a heat insulation lengthened sleeve and a fastening head, the inner front end of the hollow column jacket is a conical surface, the middle part of the temperature measuring head package is provided with a blind hole, the outer surface of the temperature measuring head package is a cone structure, the chip type platinum resistor is installed in the blind hole of the temperature measuring head package by the sealing gum, the temperature measuring head package is mounted on the inner front end of the hollow column jacket, the temperature measuring head package and the inner end face of the hollow column jacket are sealed by the sealing cone pad, the heat insulation lengthened sleeve tightly abuts the temperature measuring head package, and the fastening head tightly presses the ...

Liquid crystal display and terminal

The invention discloses a liquid crystal display and a terminal. The liquid crystal display comprises a liquid crystal display glass panel, a driving chip, a backlight unit which is used for receiving backlight current and transmitting backlight light to the liquid crystal display glass panel, an analog-to-digital converter, an ambient light sensor circuit integrated on the driving chip and a backlight control unit, wherein, the ambient light sensor circuit is used for receiving external ambient light and outputting analog light current or analog light voltage to the analog-to-digital converter according to the external ambient light; the analog-to-digital converter is used for receiving analog light current or analog light voltage, and converting the analog light current or analog light voltage into digital light current or digital light voltage; the backlight control unit is used for receiving the digital light current or digital light voltage output by the analog-to-digital converter ...

Visual scene establishment method and device based on virtual reality technology

The invention relates to a visual scene establishment method and device based on a virtual reality technology, computer equipment, a storage medium and a computer program product. The method comprises the following steps: combining a plurality of images collected for a target area to obtain a combined image; based on the combined image, using a virtual reality technology to construct an initial three-dimensional virtual scene of the target area; acquiring equipment information in the target area, and fusing the equipment information with the initial three-dimensional virtual scene to obtain a target three-dimensional virtual scene; and establishing a job interaction anchor point in the target three-dimensional virtual scene to obtain a visual application scene to which the target area belongs. By adopting the method, the visualization degree of the scene can be improved.

Log skin extruding and conveying device

The invention discloses a log skin extruding and conveying device which comprises a conveying frame and is characterized in that the log skin extruding and conveying device is arranged at the front end of the conveying frame and comprises a supporting frame, an upper extruding device, a lower top roller device, a horizontal opposite extruding device and a control device, and the lower end of the supporting frame is fixedly connected with a stand column; the adjacent stand columns are fixedly connected through lower connecting frames, an upper extrusion device capable of extruding the upper arc-shaped surface of the log is arranged on an upper cross beam on the upper portion of the supporting frame, and horizontal opposite extrusion devices capable of extruding the arc-shaped surfaces of the two sides of the log are symmetrically arranged on the stand columns on the two sides. A lower top roller device capable of extruding the lower arc-shaped surface of the log is correspondingly arranged ...

Motor power system for rescue drilling machine and loading vehicle with motor power system

The invention relates to the technical field of rescue drilling machines, in particular to a motor power system for a rescue drilling machine and a loading vehicle with the motor power system. The invention provides a motor power hydraulic system for a rescue drilling machine. The motor power hydraulic system comprises a motor power unit used for providing power for the rescue drilling machine, a hydraulic oil tank used for storing hydraulic oil and a power supply system used for providing electric energy for the motor power unit. The motor power unit supplies hydraulic oil in the hydraulic oil tank into the rescue drilling machine, and the hydraulic oil directly flows back to the hydraulic oil tank from the rescue drilling machine or flows back to the hydraulic oil tank through the motor power unit in the rescue work execution process of the rescue drilling machine. Compared with the prior art, the rescue drilling machine driven by the engine can work by means of the engine of the rescue ...

Automatic carving auxiliary device for sculpture processing

The invention relates to the field of carving tools, in particular to an automatic carving auxiliary device for sculpture processing, which comprises a cylinder, a plurality of spring pieces uniformly distributed in the circumferential direction are arranged at one end of the cylinder, a connecting ring is rotatably mounted in the cylinder close to the spring pieces, and a driving assembly is arranged between the connecting ring and the cylinder and can drive the connecting ring to rotate. One end of each spring piece extends into the cylinder and is fixedly connected with the connecting ring, the other end of each spring piece is gradually folded towards the axis, a carving knife is arranged at the folded end of each spring piece, a groove is formed in the end face of a knife handle of each carving knife, and the carving knives are arranged on the outer sides of the folded ends of the spring pieces in a sleeving mode through the grooves. The clamping hooks are fixedly installed on the ...

Automatic single plate feeding machine

The invention discloses an automatic single plate feeding machine which is characterized by comprising a fixing framework, a turning-over rod, a control system, a turning-over air cylinder, a rotating shaft, sucker supports, a lifting air cylinder, a vacuum sucker, a moving air cylinder, an induction support, contact idler wheels, a contact switch, a fixing guide rail frame and a sliding sleeve. The fixing framework is composed of a supporting leg frame and a connecting rod. One side of the supporting leg frame is connected with the connecting rod. The two ends of the other side of the supporting leg frame are hinged to the turning-over rod. One end of the turning-over air cylinder is connected with the connecting rod, and the other end of the turning-over air cylinder is connected with the turning-over rod. The other end of the turning-over rod is connected with the fixing guide rail frame. The fixing guide rail frame is sleeved with the sliding sleeve in a sliding mode. The moving air ...

Excavator energy-recuperation system

An excavator energy-recuperation system relates to an excavator moving arm energy saving system, comprising a hydraulic cylinder, a fuel tank, a quantitative pump, a valve and an engine. The key technology is that a first variable pump and a speed determining photoelectric encoder are coaxial equipped with the quantitative pump. One end of the quantitative pump is connected with a hydraulic cylinder through a reversing valve and the other end of the quantitative pump is respectively connected with the fuel tank and the hydraulic cylinder on two branches. One end of the first variable pump is connected with the fuel tank and the other end is connected with an accumulator through the reversing valve. A second variable pump is coaxial arranged with the engine, one end of the second variable pump is connected with the fuel tank and and the other end is connected with a check valve; a fuel outlet of the check valve has three branches, wherein the first one is connected with the accumulatorthrough ...

High-thermal-conductivity lithium ion battery diaphragm and preparation process thereof

The invention relates to the technical field of battery diaphragms, in particular to a high-thermal-conductivity lithium ion battery diaphragm and a preparation process thereof. Comprising the following steps: step 1, stirring a solvent in advance, adding a binder, and stirring and mixing to obtain a colloidal solution; step 2, carrying out primary vacuum stirring on the colloidal solution, adding a heat conduction material, carrying out vacuum stirring again, shearing, dispersing and sieving to obtain slurry; 3, coating a base film with the slurry, and drying to obtain a heat-conducting coating; and rolling to obtain the high-thermal-conductivity lithium ion battery diaphragm.

Reinforcement learning automatic power generation control method, device, equipment and medium

The invention discloses a reinforcement learning automatic power generation control method and device, equipment and a medium, and the method comprises the steps: initializing an initial parameter in a reinforcement learning controller in a preset two-region interconnection model through responding to a received load disturbance signal; determining a corresponding initial system state according to the initial parameters through a reinforcement learning controller; according to the initial system state and the initial parameter, updating a value function corresponding to the reinforcement learning controller, and determining a current action optimal value associated with the initial system state; and judging whether the current action optimal value is equal to the historical action optimal value associated with the initial system state or not, and if yes, outputting a target power adjustment total instruction. The technical problems that when automatic power generation control of an existing ...

Polyethylene glycol terephthalate material added with ultraviolet-resistant aid

The invention discloses a polyethylene glycol terephthalate material added with an ultraviolet-resistant aid, which is characterized in that the ultraviolet-resistant aid is added into the polyethylene glycol terephthalate material; the ultraviolet-resistant aid accounts for 1 to 5 percent of the weight of the polyethylene glycol terephthalate material; the ultraviolet-resistant aid is color master batch or coil ink; and the ultraviolet transmittance of a food-grade packing container made of the material is less than 10 percent when the wavelength is 250 to 370 nanometers. The material has the advantages that: 1, a packing product made of the polyethylene glycol terephthalate material added with the ultraviolet-resistant aid effectively prevents quality change of edible oil, oil rancidity and peroxide value rise, and meanwhile prevents the proportional loss of nutrients in the edible oil such as vitamin A; 2, the material has good effect of preserving the vitamin A, and the preservation ...

Application of functional polymer film in removing heavy metal in traditional Chinese medicine

The invention provides application of a functional polymer film in removing heavy metals in traditional Chinese medicine, which is characterized in that heavy metals in traditional Chinese medicine are removed through the effects of the absorption, the chelation, the ion exchange, the interception, and the like of the functional polymer film. The invention has the advantages that the functionalpolymer film is firstly applied to removing the heavy metals in traditional Chinese medicine, has favorable biocompatibility and biodegradability, is more environmental-friendly, and non-toxic and harmless for organisms; the pore size, the crosslinking degree and the active functional groups of the employed functional polymer film can be adjusted according to the specific property of traditional Chinese medicine to ensure that the heavy metals are removed effectively without damaging the active ingredients of traditional Chinese medicine; and the functional polymer film can be repeatedly usedand has ...

Mass IPv6 address identification method and system, electronic equipment and storage medium

The invention provides a massive IPv6 (Internet Protocol Version 6) address identification method, which comprises the following steps of: S1, acquiring an IPv6 data stream, and acquiring a first address set with non-zero flow from the IPv6 data stream; s2, sorting the number of the values of the fixed fields in the first address set, and obtaining N values with the maximum number; s3, replacing the N values with the maximum number into the fixed fields in the first address set to obtain N groups of second address sets; and S4, performing address survival identification on the N groups of second address sets to obtain a survived IPv6 address. According to the massive IPv6 address identification method and system, the electronic equipment and the storage medium, the number of the values of the fixed fields in the first address set is ranked according to the IPv6 characteristics, and the N values with the maximum number are respectively replaced into the fixed fields in the first address ...

Ultra-wideband indoor positioning method based on deep attention mechanism and geometric information

The invention discloses an ultra-wideband indoor positioning method based on a deep attention mechanism and geometric information. The method comprises the following steps: 1) designing a new deep network to simultaneously estimate the position and distance information of a label; in the network, firstly, a Transform encoder is introduced for learning weights with different noise ranging values in a global perspective, and in addition, the geometric information of the ultra-wideband base station is also introduced into the Transform encoder. 2) providing a new supervised learning strategy, wherein the strategy considers the true value information and the geometric constraint of the ultra wide band sensor at the same time to train the provided network in an end-to-end manner; through the two strategies, on one hand, a Transform encoder framework is introduced, large measurement noise is further comprehensively suppressed, and on the other hand, geometric information and constraint conditions ...

Automatic door opener

The invention provides an automatic door opener which comprises a gear box, a bottom shell is fixedly installed on the outer wall of the gear box, a motor is fixedly installed on the outer wall of the gear box, a transmission mechanism is arranged on the inner wall of the gear box, a shell is fixedly connected to the outer wall of the gear box, and a lead screw is rotationally connected to the interior of the shell. The outer wall of the lead screw is sleeved with a movable sleeve in a threaded mode, and the outer wall of the movable sleeve is slidably connected with the inner wall of the shell. By arranging the gear box, the bottom shell, the motor, the PCB, the sealing gasket, the transmission gear, the spline gear, the first gear, the second gear, the third gear, the junction box, the first waterproof rubber ring, the first transmission shaft and the second transmission shaft, turning-back type arrangement is adopted under the condition that transmission is not needed, the width of the ...

Method for removing crystal water in green vitriol

The invention provides a method for removing crystal water in green vitriol. The method comprises the following steps: mixing green vitriol with calcium oxide and/or calcium hydroxide, and drying to remove the crystal water. The method can be used to remove the crystal water in the green vitriol, and can effectively avoid the fouling and adhering on a wall of green vitriol in the drying process to realize smooth drying.

Method for preparing metallic titanium

The invention provides a method for preparing metallic titanium. The method comprises the following steps: reducing titanium tetrachloride into titanium trichloride and/or titanium dichloride by metallic magnesium in molten salt; and electrolyzing the generated titanium trichloride and/or the titanium dichloride in the molten salt into titanium. The method for preparing the metallic titanium provided by the invention has simple process; does not pollute the environment in the whole process, can realize continuous production without performing the step of 'reduction distillation', not only reduces fixed asset investment, but also has lower energy consumption; and the generated titanium powder has high purity (Ti is more than or equal to 99.6 percent), and is easy to carry out ingot castingdirectly.

Mn < 4 + >-activated oxyhalide dark red fluorescent powder as well as preparation method and application thereof

The invention provides Mn < 4 + >-activated oxyhalide dark red fluorescent powder as well as a preparation method and application thereof. The chemical general formula of the Mn < 4 + >-activated oxyhalide dark red fluorescent powder is Cs < 0.8 > K < 0.2 > Ti < 2-2x > Mn < 2x > O < 3 > F < 2 > Cl, wherein x is the molar ratio of Mn < 4 + > doped and substituted Ti < 4 + >, and x is more than or equal to 0.003 and less than or equal to 0.02. An oxide precursor containing Cs < + >, K < + >, Ti < 4 + > and Mn < 4 + > ions is synthesized through wet chemistry, then ammonium fluoride and ammonium chloride are added, and a final product is prepared through a solid-phase reaction. The fluorescent powder prepared by the invention has effective excitation in ultraviolet-near ultraviolet-blue light wave bands, and can emit red fluorescence with the wavelength range of 600-700nm and the main peak of 630nm. The fluorescent powder is simple to prepare, has the advantages of raw material economy and ...

Positive electrode active material and preparation method thereof, positive electrode plate and lithium ion secondary battery

The invention discloses a positive active material and a preparation method thereof, a positive pole piece and a lithium ion secondary battery. The positive electrode active material comprises body particles and an M1 element-containing oxide coating layer coating the outer surfaces of the body particles, and the body particles comprise nickel-containing lithium composite oxide; the bulk phase of the bulk particles is uniformly doped with an M2 element; the surface layer of the body particle is an outer doped layer doped with an M3 element; the M1 element and the M3 element are respectively and independently selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y and B, and the M2 element comprises one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce and W. By adopting the positive electrode active material provided by the invention, the lithium ion secondary battery can simultaneously have relatively high energy density, high-temperature cycle performance and high-temperature ...

Intelligent safety supervision system for electric power measurement standardized operation

The invention relates to the technical field of electric power operation supervision, in particular to an intelligent safety supervision system for electric power measurement standardized operation, which comprises a safety supervision platform, and is characterized in that a server, a risk monitoring unit, an image processing unit, a verification analysis unit, a management early warning unit and a feedback analysis unit are arranged in the safety supervision platform; according to the invention, the risk data of the monitoring equipment is collected, and fault risk supervision, evaluation and analysis are carried out, so that the supervision effect and early warning performance of the monitoring equipment during power operation are ensured, data support is provided for power operation supervision and analysis, and the image video of the monitoring equipment is analyzed in a progressive analysis mode, so that the monitoring efficiency is improved. Therefore, personnel who should not appear ...

Intestinal content target composition draws equipment

The utility model provides an intestinal content target composition draws equipment, relates to a medical collecting device, includes fixed bolster, stirring subassembly, filtering component, draws the subassembly, the stirring subassembly includes stirred vessel, sets up a primary filter section of thick bamboo in stirred vessel, sets up the motor in the top of stirred vessel upper cover, the output shaft (mixing) shaft of motor, and stirring vane is connected to the lower extreme of (mixing) shaft, cover joint injection pipe, inlet tube on stirred vessel, connect blowdown pipe and stirring output tube at stirred vessel's lower extreme, filtering component sets up the oscillator including filtering the container in the below of filtering the container, sets up a plurality of filter screens step by step in filtering the container, connects on the filtration container of filter screen below step by step and filters the output tube, drawing the subassembly and including that the caprophyl ...

Molten salt electrolytic refining method and method for recovering and treating cathode deposition thereof

The invention provides a molten salt electrolytic refining method and a method for recovering and treating cathode deposition thereof. The recovering and treating method comprises the following steps: putting the cathode deposition in a dilute acid solution having the acid concentration not lower than 0.01mol/L for extraction to obtain an extract solution; continuously carrying out extraction to obtain a saturated extract solution; adjusting the pH value of the saturated extract solution to form a precipitate; filtering to obtain a settled solution; carrying out crystallization treatment to obtain electrolyte crystals. The refining method comprises the following step: treating the cathode deposition containing the target product by using the recovering and treating method. The method for recovering and treating cathode deposition provided by the invention has the beneficial effects that the electrolyte entrained in the cathode deposition of molten salt electrolytic refining can be separated ...

Lower-insert electrolytic magnesium cell deslagging device and deslagging method

The invention belongs to the field of non-ferrous metal metallurgy, and discloses a lower-insert electrolytic magnesium cell deslagging device and a deslagging method. The device comprises an L-shaped support, a push rod, a scraper and a guiding mechanism, wherein the L-shaped support comprises a handrail section and a working section connected with the handrail section; the guiding mechanism is arranged on the working section; the push rod is arranged in the guiding mechanism; the scraper is connected with the external end part of the push rod; a pulley system is arranged on the L-shaped support, and is connected with the push rod; the push rod can make a telescopic motion along the guiding mechanism under driving of the pulley system. According to the deslagging device, the push rod can make telescopic motion by utilizing driving of the pulley system, so that the scraper can go deep to the bottom of an electrolytic cell to remove residues at the circulating port, and the problem that ...

Intelligent pipeline diameter measuring instrument

The utility model relates to the technical field of a pipeline diameter measuring apparatus, and provides an intelligent pipeline diameter measuring instrument. The intelligent pipeline diameter measuring instrument comprises a cylindrical shell, a front leather bowl, mileage wheels, a driving leather bowl, a deformation induction leather bowl, a cavity left support plate, a cavity right support plate, a flexible connecting piece and an optical displacement sensor. According to the utility model, the structure is reasonable and compact, the application is convenient, and conventional mechanical sensing distance measurement is changed to linear distance measurement, optical distance measurement in particular, such that the measuring precision is improved, the measuring environment is clean, normal receiving of optical signals is ensured, and the detection result is enabled to be quantified and more visual. Since the center point of the arc outer wall of the flexible connecting piece is in ...

Permanent magnet track irregularity detection device and method

The invention provides a permanent magnet track irregularity detection device and method, and relates to the technical field of permanent magnet track irregularity detection.The permanent magnet track irregularity detection device comprises a frame, a pedometer, a geometric irregularity measurement structure, a magnetic field measurement structure, an acceleration measurement structure, an industrial high-speed camera and a data acquisition system, and the pedometer is arranged on the frame; the geometric irregularity measuring structure is fixedly connected with the lower bottom surface of the frame; the magnetic field measurement structure is arranged at the bottom of the frame; the acceleration measuring structure is arranged on the upper top surface of the frame; the industrial high-speed camera is arranged at the bottom of the frame; and the data acquisition system is arranged on the upper surface of the frame. According to the invention, through the geometric irregularity measuring ...

Method and terminal for acquire panoramic image

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.

FPGA simulation system for modulating hippocampus network rhythm through weak electromagnetic stimulation

The invention provides an FPGA simulation system for modulating a hippocampus network rhythm through weak electromagnetic stimulation. The simulation system comprises an FPGA-based hardware circuit, a random waveform generator, an analog-digital converter and a man-machine operation interface, a neuron model and a control module adopt a Verilog HDL for compiling and are compiled and downloaded to an FPGA, a synaptic current calculation module, a carbachol equivalent current calculation module, an external electric field equivalent current calculation module and a local field potential calculation module adopt the DSP Builder programming for implementation, and an upper computer operation interface adopts the LabVIEW programming for implementation and is in communication with the FPGA. The system has the advantages of being used as a non-animal testing and high-speed-computation-based FPGA neural network testing platform of the biological neural network to achieve hardware modeling of the ...

Missing-preventing assembly device for hydraulic torque converter turbines

The invention discloses a missing-preventing assembly device for hydraulic torque converter turbines, which comprises an assembly worktable for hydraulic torque converter turbines and an auxiliary tooling disk; a display and a TD cover plate detector are mounted on the assembly worktable; the auxiliary tooling disk is fixed on the assembly worktable, and rivet holes, guide post holes and a turbine detector are arranged at intervals on the auxiliary tooling disk; a missing-preventing tooling disk is provided with guide posts, which are fitted and positioned in the guide post holes, and the missing-preventing tooling disk is also provided with a rivet position detector, a turbine shaft sleeve detector and an electric magnet; a controller is connected with the display, the TD cover plate detector, the turbine detector, the rivet position detector, the turbine shaft sleeve detector and the electric magnet through data cables, and is also connected with an electromagnet valve controlling the ...

Quick detection method of content of wax in edible vegetable fat

The invention relates to a quick detection method of the content of wax in edible vegetable fat. A linear relation of the content of the wax in the fat and the sample turbidity is established by using a characteristic reaction that the wax in the edible fat may be separated by crystallization in a low-temperature environment for a certain time, and the content of the wax in the fat can be detected according to the turbidity change, thus a profound significance is achieved for the quality of the edible fat. The quick detection method has the advantages that 1, the quick detection method is very high in generalizability in the fat by using characteristics that the wax in the edible oil crystallizes under a low-temperature state, the content of the wax linearly changes and the wax is more easily separated by crystallization in a solvent; and 2, a quick, accurate, simple and convenient spectrophotometric method of detecting the content of the wax in the grade-I edible fat is developed.

Fish guiding device for fishway inlet

The fish guiding device comprises two supporting frames arranged in parallel and a plurality of partition plates connected between the supporting frames, the partition plates are arranged in the length direction of the supporting frames at intervals and can move in the length direction of the supporting frames, and the partition plates can rotate around the connecting positions of the partition plates and the supporting frames. The method has the advantage of improving the fish upstream rate.

METHOD AND TERMINAL FOR ACQUIRE PANORAMIC IMAGE

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image. 1. A method for acquiring a panoramic image by a mobile terminal having a display on a front side of the mobile terminal and a camera , the method comprising:receiving, from a user, a user instruction to take a panoramic image;capturing, with the camera, a first image including an object while the camera is facing the object;after capturing the first image, displaying a first shooting instruction on the display to instruct the user to rotate the mobile terminal to a first side of the object;detecting that the mobile terminal is rotated toward the first side of the object;capturing, with the camera, a first side image while the camera faces the first side of the object, wherein the object is not in a center portion of the first side image;after capturing the first side image, displaying a second shooting instruction on the display to instruct the user to rotate the mobile terminal to a second side of the object, the second side being opposite to the first side;detecting that the mobile terminal is rotated toward the second side of the object;capturing, with the camera, a second side image while the camera faces ...

METHOD AND TERMINAL FOR ACQUIRE PANORAMIC IMAGE

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image. 1. A method for acquiring a panoramic image of a user by a mobile terminal having a front camera and a display on a front side of the mobile terminal , the method comprising:receiving a user instruction to take a panoramic image from the user;shooting, with the front camera, a center image including the user while the front camera is facing the user;after shooting the center image, displaying a shooting instruction on the display to instruct the user to rotate the mobile terminal to a first side of the user;detecting that the mobile terminal is rotated toward the first side of the user;shooting, with the front camera, a first side image when the front camera faces the background on the first side of the user, wherein the user is not in a center portion of the first side image;after shooting the first side image, displaying the shooting instruction on the display to instruct the user to rotate the mobile terminal to a second side of the user, the second side being opposite to the first side;detecting that the mobile terminal is rotated toward the second side of the user;shooting, with the front camera, a second ...

Full-automatic outer spray coating device for steel barrel

The invention discloses a full-automatic outer spray coating device for a steel barrel, which comprises a clamping mechanism, a spray gun and a driver, wherein the driver drives the spray gun to upwards and downwards move, the clamping mechanism tightly clamps and rotates the steel barrel, then, the spray gun moves from bottom to top for spray coating, when the spray gun carries out the spray coating to the upper edges of the steel barrel, a second stop block just touches a second stroke switch, at the same time, the spray gun stops the spray coating, the steel barrel stops rotating, and subsequently, the clamping mechanism resets. The invention has the advantages of novel and reasonable design, convenient operation, high automation degree, labor saving, time saving and capability of completing the whole spray coating process of the steel barrel through pressing one key. The invention can greatly reduce the work intensity and the cost, and can reduce the environment pollution. The clamping ...

Electric cabinet water cooling and heat dissipation device

The invention relates to an electric cabinet water cooling and heat dissipation device. The electric cabinet water cooling and heat dissipation device comprises a water tank, a circulating water pump, an external water cooling and heat exchanging array set, an external heat dissipation draught fan, an internal water cooling and heat exchanging array set and an internal heat absorption draught fan. The water tank, the circulating water pump, the external water cooling and heat exchanging array set and the external heat dissipation draught fan are arranged outside an electric cabinet, the external water cooling and heat exchanging array set is located between the external heat dissipation draught fan and the electric cabinet, the internal water cooling and heat exchanging array set and the internal heat absorption draught fan are arranged inside the electric cabinet, the internal water cooling and heat exchanging array set is located between the internal heat absorption draught fan and the ...

Novel vertical float

The utility model discloses a novel vertical float relates to the fishing tackle field of the usefulness of fishing, and the one of which structure comprises float foot, main body, little body and the hollow tail that floats, little body by fix be close to main body end hollow float the tail on, form two floating structure, it has the water conservancy diversion slotted hole to acutangulate with the axis on the main body and open towards float foot's orientation around the shaft line, water conservancy diversion slotted hole and the hollow tail intercommunication that floats, hollow upper end and outside intercommunication of floating the tail forms smooth and easy hollow drainage?structures, these two kinds of structures make the utility model has the advantages of it is fast and sedate to stand, and the water -resistant flows the ability reinforce, and it is big to look the mesh, and sensitivity is high, and whole length is short, strong adaptability, deal with badly the fish sharp weapon ...

Photographing for dual-lens device using photographing environment determined using depth estimation

A photographing method for a dual-lens device may include acquiring a first image collected at a first moment by a first image sensor and a second image collected at the first moment by a second image sensor; performing scene recognition on the first image and/or the second image, and performing depth estimation on the first image and the second image to determine a photographing environment; and when an instruction for a photographing operation is received, generating a picture using the multi-frame algorithm. When photographing is performed using a multi-frame algorithm, two frames of images can be collected at the same time using a dual-lens device, which can reduce impact caused by a jitter of the device or a motion of a target object, so that ghost detection and an elimination algorithm are not required, thereby reducing a photographing time.

Silk screen interval adjusting system used for screen printing machine and screen printing machine

The utility model discloses a silk screen interval adjusting system used for a screen printing machine and a screen printing machine and belongs to the production facility field of solar crystal silicon battery piece. In order to solve the problems that the existing screen printing device can not adjust the screen printing interval on line, and only can conduct manually mechanical adjustment, the silk screen interval adjusting system comprises a limiting sensor, a solid-state relay, an interval adjusting motor and a PLC (Programmable Logic Controller) on the screen printing machine. The output of the limiting sensor is taken as a switching value to be connected with the PLC, and the PLC program controls the running of the interval adjusting motor so as to precisely adjust the screen interval. The screen interval adjusting system can conduct accurate online adjustment, the adjusting accuracy achieves 0.01mm, so that the printing process is conveniently adjusted, the printing quality is improved ...

Road vehicle visual display system and method based on AR and Internet of Things

The invention relates to the technical field of data processing, in particular to a road vehicle visual display system and method based on AR and Internet of Things, and the system comprises an information acquisition subsystem, a road simulation subsystem, a virtual-real fusion subsystem and a visualization subsystem. The method comprises the following steps: firstly, an information acquisition subsystem shoots physical road traffic information, and determines virtual road traffic information based on the physical road traffic information; thirdly, the road simulation subsystem carries out road modeling on the virtual road traffic information to obtain dynamic road information; then, the virtual-real fusion subsystem fuses the physical road traffic information and the dynamic road information to obtain target road information; and finally, the visualization subsystem obtains the target road information through the Internet of Things, and establishes an AR scene based on the target road ...

Arch changing method for three-step construction at shallow-buried tunnel primary support invasion limit

The invention discloses a three-step construction arch changing method for a shallow-buried tunnel primary support invasion limit position. The method comprises the following steps that (1) construction preparation is conducted; (2) earth surface treatment; (3) back pressure backfilling in the hole; (4) temporary cover arch construction; (5) advanced large pipe shed construction; (6) removing the invasion limit primary support; (7) primary support construction of an upper step; (8) constructing a temporary inverted arch support; (9) primary support construction of middle and lower steps; (10) constructing an inverted arch and a filling layer; (11) dismantling the temporary support; (12) repeating the step (6) to the step (11), and sequentially carrying out arch replacement construction on the invasion limit primary support in the front-back direction of the tunnel arch replacement section until the arch replacement work of the whole tunnel arch replacement section is completed; after the ...

Method for preparing metal vanadium

The invention discloses a metal vanadium production method. The metal vanadium production method comprises the following procedures: vanadium oxide and carbon reducing agent in the simple substance form are adopted as the raw material, which are mixed to form a mixture according to the chemical reaction stoichiometric proportion of VCmOn and CO generated from the vanadium oxide and the carbon reducing agent in the simple substance, the mixture is molded by pressing, and therein m is larger than 0 and less than and equal to 1, n is larger than 0 and less than and equal to 1, and m is less than and equal to n; within the temperature range of 800 to 1600 DEG C, the mixture molded by pressing reacts, to generate VCmOn with an electric conduction performance; the VCmOn is adopted as the consumption anode, conducting material is adopted as the cathode, halide molten salt systems of the alkali metal, halide molten salt systems of the alkaline earth metal or the combination are adopted as the electrolytic ...

Method for preparing vanadium nitride/titanium nitride

The invention discloses a method for preparing vanadium nitride/titanium nitride. Specifically, the chloride of vanadium or the chloride of titanium is introduced into fused magnesium nitride and is subjected to a reaction under protective atmosphere, and after the reaction is finished, vanadium nitride or titanium nitride is obtained by removing magnesium chloride through distillation. The method for preparing vanadium nitride/titanium nitride has the advantages of being simple in technology, high in reaction efficiency, low in impurity element content in the obtained product, low in production cost and the like, and the obtained product is good in quality and has relatively good popularization and application prospect.

Middle and long distance high efficiency fire extinguishing system

The middle and long distance high efficiency fire extinguishing system includes launcher and fire extinguishing shell. The present invention features the fire extinguishing shell with positioning mechanism and thus great length. The launcher includes pedestal, igniter, launching barrel and adjusting rack; and the fire extinguishing shell has foldable wing. The middle and long distance high efficiency fire extinguishing system is suitable for extinguishing fire of forest, grassland, high-rise building, and dangerous matter, and has high fire extinguishing effect.

Full cycle crimp mechanism

The utility model relates to a full cycle crimp mechanism, which comprises a base, board and rotation mechanism turn over, side that the board was turned over in the use base relatively goes on overturning is the upset limit, use the extending direction on upset limit to be horizontal extending direction, rotation mechanism including connect respectively on two sides of the perpendicular to horizontal extension of base direction first revolving bed and second revolving bed and with the limit fixed connection's that overturns revolving axle, the one end of revolving axle and first revolving bedrotate that is connected and the other end of revolving axle is connected with the rotation of second revolving bed, the one end of being close to first revolving bed of revolving axle be provided with be used for rotating the revolving axle play to turn over the round pin, set up the round pin that rises to turn over that can supply to turn over the round pin activity and dodge the hole on firstrevolving ...

Storage tank bearing platform settlement inclination monitoring method and system

The invention relates to a storage tank bearing platform settlement inclination monitoring method and system. Comprising an inclinometer, a horizontal fixed inclination sensor and a sensor cable. The inclinometer pipe is orthogonally arranged in the concrete bearing platform; the horizontal fixed inclination sensor is arranged in the inclinometer pipe, is used as an internal settlement measuring point, is connected with the connecting rod and is mounted in the inclinometer pipe; the sensor cable is bound on the connecting rod in the inclinometry hole by a binding belt, and the cable out of the inclinometry hole is protected by a steel pipe and geotechnical cloth. The settlement and inclination of the LNG tank concrete bearing platform can be monitored in real time through the inclinometer pipe and the sensor, the method is easy to implement, few system resources are occupied, the method belongs to the online monitoring technology, inconvenience caused by field measurement and detection ...

STRENGTHENED TRANSMISSION TUBES FOR FALLING FILM EVAPORATORS

The present invention discloses strengthened heat transmission tubes for falling film evaporators. The tube includes a tube body of the heat transmission tube and fins disposed on an outside surface of a heat transmission section of the tube body. The fins spirally surround the outside surface of the tube body of the heat transmission tube along an axial direction. The roots of the fins are integrally connected with the tube body. Each of the fins has a cross sectional T shape. Interspaces between two neighboring fins along the axial direction of the tube form small holes for coolants flow and evaporation, and form circular shape channels along the spiral direction. Each T shape fin has fin troughs along peripheral direction. The outer surfaces of the fins are disposed with grooves or extrusion lugs that guide coolants flow. Internal tube body is disposed with internal teeth. The present invention satisfies the characteristics of falling film evaporation, can guide coolant flow, and prevent excessive accumulation of coolants on outer walls of the heat transmission tubes. It also ensures the direction of coolants flow downwards and improves heat transmission efficiency of falling film evaporation. 1. A strengthened heat transmission tube for falling film evaporators , comprising a tube body of the heat transmission tube and a plurality of fins disposed on an outside surface of a heat transmission section of the tube body , the fins spirally surrounding the outside surface of the tube body of the heat transmission tube along an axial direction of the tube , roots of the fins being integrally connected with the tube body; characterized in that: each of the fins has a cross sectional T shape along the axial direction of the tube; interspaces between two neighboring fins along the axial direction of the tube form small holes for coolants flow and evaporation , and form circular shape channels along the spiral direction of the fins; each T shape fin has peripheral fin ...

Photographing Method of Dual-Lens Device, and Dual-Lens Device

The present invention provides a photographing method for a dual-lens device. The dual-lens device includes a first lens and a second lens that are arranged on a same plane. The photographing method includes acquiring a first image collected by a first image sensor; identifying a scenario of the first image to determine a photographing environment, determining a second image signal processor (ISP) parameter corresponding to the second lens; acquiring a second image that is collected, according to the second ISP parameter, and generating a preview image. According to the present invention, a photographing environment is determined by using an image collected by one lens of the dual-lens device, and then a preview image is generated by using an image collected by the other lens.

Auto-Focus Method and Apparatus and Electronic Device

An auto-focus method including at a same moment, collecting a first image of a first object using a first image shooting unit, collecting a second image of the first object using a second image shooting unit, calculating M pieces of first depth information of M same feature point pairs in corresponding areas in the first image and the second image, determining whether confidence of the M pieces of first depth information is greater than a threshold, obtaining focusing depth information according to N pieces of first depth information in the IM pieces of first depth information when the confidence of the M pieces of first depth information is greater than the threshold, obtaining a target position of a first lens of the first image shooting unit according to the focusing depth information, and controlling the first lens to move to the target position. 1. An auto-focus method , comprising:collecting a first image of a first object using a first camera;collecting a second image of the first object using a second camera;obtaining focusing depth information of the first image and the second image;obtaining a target position of a first lens of the first camera according to the focusing depth information; andcontrolling the first lens to move to the target position.2. The method according to claim 1 , further comprising controlling a second lens of the second camera to move to the target position.3. The method according to claim 1 , further comprising shooting an image in response to a user operation.4. The method according to claim 1 , wherein an optical axis of the first camera is parallel to an optical axis of the second camera.5. The method according to claim 1 , wherein the first object is a face.6. An electronic device claim 1 , comprising:a first camera having a first lens;a second camera having a second lens, the first camera and the second camera being disposed on a same plane of the electronic device;a first actuator; anda processor coupled to the first camera, ...

METHOD OF PRODUCING TITANIUM METAL WITH TITANIUM-CONTAINING MATERIAL

A method of producing titanium metal with titanium-containing material which includes mixing, pressing and drying the titanium-containing material with a carbonaceous reducing agent to obtain a resultant as a first anode. Using a metal or an alloy as a first cathode, and using an alkali metal chloride molten salt and/or an alkaline earth metal chloride molten salt as a first electrolyte to constitute a first electrolysis system, to perform pre-electrolysis in an inert atmosphere to obtain a residual anode. After the residual anode is washed, molded and dried, using the residual anode as a second anode, using a metal or an alloy as a second cathode, using an alkali metal chloride molten salt and/or an alkaline earth metal chloride molten salt as a second electrolyte to constitute a second electrolysis system, to perform electrolysis in an inert atmosphere to obtain titanium metal powder. 1. A method of producing titanium metal with titanium-containing material , characterized in comprising:mixing, pressing and drying the titanium-containing material with a carbonaceous reducing agent to obtain a resultant as a first anode, using a metal or an alloy as a first cathode, using an alkali metal chloride molten salt and/or an alkaline earth metal chloride molten salt as a first electrolyte to constitute a first electrolysis system, performing pre-electrolysis in inert atmosphere to obtain a residual anode; andafter the residual anode is washed, molded and dried, using the residual anode as a second anode, using a metal or an alloy as a second cathode, using an alkali metal chloride molten salt and/or an alkaline earth metal chloride molten salt as a second electrolyte to constitute a second electrolysis system, performing electrolysis in inert atmosphere to obtain titanium metal powder.2. The method of claim 1 , wherein the second anode is obtained by mixing claim 1 , molding and drying washed residual anode with a carbonaceous reducing agent claim 1 , the number ratio of ...

Steel plate suspension conveying device and method and application thereof

A steel plate suspension conveying device and method thereof, includes an initial suspension module, an intermediate transfer module and a tail end unloading module that are respectively provided with a plurality of electromagnets, wherein the electromagnets ( 5 - 6 ) of the initial suspension module controls the steel plate for suspension, the electromagnets ( 7 - 14 ) of the intermediate transfer module controls the motion of the steel plate toward the tail end unloading module, and the electromagnets ( 15 - 17 ) of the tail end unloading module controls the landing of the steel plate; sensor modules ( 18 ) installed on the electromagnets, and are capable of detecting the position, speed and temperature information of the steel plate conveyed by the electromagnets; a central processing unit ( 4 ) receiving the information sent by the sensor modules ( 18 ) and adjusts the magnitude of a current/voltage flowing into the electromagnets, thereby adjusting the magnitude of the electromagnet attraction applied by the electromagnets to the steel plate. The steel plate is conveyed by using suspension, and the steel plate is sufficiently cooled in the conveying process, so that the grain size and grain distribution of the steel plate are more uniform, thereby improving the consistency of the steel plate and enhancing the performance of the steel plate.

SCENE RECOGNITION METHOD AND APPARATUS

A scene recognition method includes acquiring an image and sensor data corresponding to the image and determining, in accordance with the sensor data, whether a scene of the image is a non-high-dynamic range (HDR) scene. The method also includes extracting an image feature of the image when it is not determined whether the scene of the image is the non-HDR scene and determining, in accordance with the image feature, whether the scene of the image is an HDR scene. 1. A method comprising:acquiring a preview image using a camera of a terminal that has a photographing function;acquiring, by the terminal, sensor data corresponding to the preview image;determining, by the terminal, in accordance with the sensor data, whether a scene of the preview image is a non-high-dynamic range (HDR) scene or whether it is undetermined whether the scene of the preview image is a non-HDR scene;extracting, by the terminal, an image feature of the preview image in response to it being undetermined whether the scene of the preview image is a non-HDR scene;determining, by the terminal, whether the scene of the preview image is an HDR scene, in accordance with the image feature; andphotographing, by the terminal, an image in accordance with the determined scene.2. The method of claim 1 , wherein extracting the image feature of the preview image comprises extracting claim 1 , in accordance with an image histogram distribution of the preview image claim 1 , a dark area pixel ratio of the preview image claim 1 , a bright area pixel ratio of the preview image claim 1 , an intensity of dark area histogram variation of the preview image claim 1 , and an intensity of bright area histogram variation of the preview image.3. The method of claim 2 , wherein determining by the terminal claim 2 , whether the scene of the preview image is the HDR scene comprises:determining, by the terminal, in accordance with the image feature, whether the preview image is underexposed and whether the preview image is ...

Backlight Detection Method and Device

A backlight detection method and device, and the method includes acquiring a brightness value of each image block in a to-be-checked image, determining a brightness relationship between the adjacent image blocks according to the brightness value of each image block; and determining a dark region and a bright region in the to-be-checked image according to the brightness relationship between the adjacent image blocks, and determining whether the to-be-checked image is a backlight scenario according to the dark region and the bright region. The backlight detection method and device provided by the embodiments of the present invention can improve accuracy of backlight detection. 1. A backlight detection method comprising:acquiring a brightness value of each image block in a to-be-checked image;determining a brightness relationship between the adjacent image blocks according to the brightness value of each image block;determining a dark region and a bright region in the to-be-checked image according to the brightness relationship between the adjacent image blocks; anddetermining whether the to-be-checked image is a backlight scenario according to the dark region and the bright region.2. The method according to claim 1 , wherein the to-be-checked image comprises M rows and N columns of image blocks claim 1 , wherein both M and N are positive integers claim 1 , wherein determining the brightness relationship between the adjacent image blocks according to the brightness value of each image block comprises determining the brightness relationship between any two adjacent image blocks in each row of the to-be-checked image according to a magnitude relationship between a brightness value difference and a first preset brightness threshold claim 1 , and wherein the brightness value difference is a difference between the any two adjacent image blocks in each row of the to-be-checked image.3. The method according to claim 2 , wherein determining the brightness relationship between ...

Methods for epitope mapping

A TRESI-HDX-based method for mapping protein-protein interactions comprises substantially simultaneously (a) initiating complexation between the proteins and (b) labelling the complex. In aspects, the proteins comprise an antibody and an antigen, an enzyme and a substrate, or a drug and a drug target. In aspects, the labelling time is from about 1 ms to about 1000 ms.

Image Processing Method and Apparatus, and Shooting Terminal

An image processing method and apparatus, and a shooting terminal, where the method includes acquiring a to-be-processed image that is shot but is not image-processed; extracting shooting characteristic information of the to-be-processed image; performing image processing on the to-be-processed image according to the shooting characteristic information. In this way, after acquiring a to-be-processed image that is shot, a shooting terminal uses shooting characteristic information of the to-be-processed image as a basis of adaptive processing of the image, and performs processing on each to-be-processed image according to shooting characteristic information of each to-be-processed image, so that the quality of an image that is obtained after being processed by the shooting terminal can be adaptively improved. 1. An image processing method comprising:acquiring a to-be-processed image that is shot but is not image-processed;extracting shooting characteristic information of the to-be-processed image; andperforming image processing on the to-be-processed image according to the shooting characteristic information.2. The method according to claim 1 , wherein the performing image processing on the to-be-processed image according to the shooting characteristic information comprises performing noise reduction and enhancement processing on the to-be-processed image according to shooting scene information and shooting metadata of the to-be-processed image.3. The method according to claim 2 , wherein performing noise reduction and enhancement processing on the to-be-processed image according to the shooting scene information and the shooting metadata of the to-be-processed image comprises:performing noise reduction and enhancement processing on luminance information of the to-be-processed image according to the shooting scene information and the shooting metadata; andperforming noise reduction and enhancement processing on chrominance information of the to-be-processed image ...

METHOD AND SYSTEM FOR DETERMINING MOTION PATH OF MECHANICAL ARM

The present invention discloses a method and system for determining a motion path of a mechanical arm. In the present invention, after a kinematics model of a mechanical arm is established, multiple objective optimization function are constructed according to the kinematic model, theoretical coordinates of a tail end of the mechanical arm, and an arm length. Then, it is determined whether a number, of individuals in an evolutionary population, that makes both a lateral error optimization function and a longitudinal error optimization function in optimization function monotonically increase or decrease reaches a threshold; if the number, of individuals in the evolutionary population, that makes both the lateral error optimization function and the longitudinal error optimization function in the optimization function monotonically increase or decrease reaches the threshold, an optimal solution is determined by using a single-objective evolutionary algorithm; otherwise, an optimal solution is determined by using a multi-objective evolutionary algorithm. According to the present invention, the multi-objective evolutionary algorithm or the single-objective evolutionary algorithm can be adaptively selected according to the number, of individuals in the population, that makes both the lateral error optimization function and the longitudinal error optimization function in the optimization function monotonically increase or decrease. Therefore, in the present invention, an advantage of short time consumption of the single-objective evolutionary algorithm and an advantage of high accuracy of the multi-objective evolutionary algorithm are combined, so that a motion path of the mechanical arm can be quickly and accurately planned. 1. A method for determining a motion path of a mechanical arm , wherein the method comprises:obtaining theoretical coordinates of a tail end of a mechanical arm, an arm length of the mechanical arm, and a base joint rotation angle of the mechanical arm ...

METHOD AND TERMINAL FOR ACQUIRING PANORAMIC IMAGE

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image. 1. A method for acquiring a panoramic image , comprising:after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image;determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information;shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, wherein the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; andperforming, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.2. The method according to claim 1 , wherein the determining move guiding information according to a preset move guiding policy claim 1 , and displaying the move guiding information on a terminal claim 1 , so as to ...

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery are disclosed. The positive electrode active material includes a lithium nickel cobalt manganese oxide. In the lithium nickel cobalt manganese oxide, the number of moles of nickel accounts for 50% to 95% of the total number of moles of nickel, cobalt, and manganese. The lithium nickel cobalt manganese oxide has a layered crystal structure with a space group Rm. The lithium nickel cobalt manganese oxide includes a doping element. When the positive electrode active material is in a 78% delithiated state, the doping element has two or more different valence states, and the amount of doping element in a highest valence state accounts for 40% to 90% of the total amount of doping element. 1. A positive electrode active material , comprising a lithium nickel cobalt manganese oxide , wherein in the lithium nickel cobalt manganese oxide , the number of moles of nickel accounts for 50% to 95% of the total number of moles of nickel , cobalt , and manganese , and the lithium nickel cobalt manganese oxide has a layered crystal structure with a space group Rm; andthe lithium nickel cobalt manganese oxide comprises a doping element, and when the positive electrode active material is in a 78% delithiated state, the doping element has two or more different valence states, and the amount of doping element in a highest valence state accounts for 40% to 90% of the total amount of doping element.2. The positive electrode active material according to claim 1 , wherein when the positive electrode active material is in the 78% delithiated state claim 1 , the amount of doping element in the highest valence state accounts for 50% to 90% claim 1 , optionally claim 1 , 60% to 80% claim 1 , of the total amount of doping element.3. The positive electrode active material ...

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY

This application discloses a positive electrode active material, including secondary particles and a coating layer applied on an exterior surface of each of the secondary particles, where the secondary particle includes a lithium transition metal oxide that contains a doping element M, the coating layer includes an oxide of element M, Mis selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and Mis selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B; a relative deviation of local mass concentration of element Min the secondary particle is less than 20%; and the secondary particle from the core to the exterior surface of the particle includes a plurality of layers of primary particles arranged along radial direction of the secondary particle. 1. A positive electrode active material , comprising secondary particles and a coating layer applied on an exterior surface of each of the secondary particles , wherein the secondary particle comprises a lithium transition metal oxide , the coating layer comprises an oxide of element M , and the positive electrode active material satisfies a chemical formula (1):{'br': None, 'sub': 1+a', 'x', 'p', 'z', 'b', 'c', '2-d', 'd, 'sup': 1', '2, 'Li[NiCoMnMM]OX\u2003\u2003chemical formula (1)'}{'sup': 1', '1', '2', '2, 'wherein in the chemical formula (1), Mis an element doped in a transition metal site of the lithium transition metal oxide, Mis selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, X is an element doped in an oxygen site of the lithium transition metal oxide, X is selected from one or more of F, Cl, Br, I, S, N, and P, Mis an element of the coating layer, Mis selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y and B, 0.5≤x<1, 0 Подробнее

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY

This application discloses a positive electrode active material, including bulk particles and a coating layer applied on an exterior surface of each of the bulk particles, where the bulk particle includes a lithium composite oxide that contains element nickel and a doping element M, and the coating layer includes an oxide of element M. When the positive electrode active material is in a 11% delithiated state, average valences of element Mand Mare αand β, respectively; when the positive electrode active material is in a 78% delithiated state, average valences of element Mand Mare αand β, respectively; and α>α, β=β. Element Mincludes one or more of Si, Ti, Cr, Mo, V, Se, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and element Mis selected from one or more of Mg, Al, Ca, Zr, Zn, Y, and B. 1. A positive electrode active material , comprising bulk particles and a coating layer applied on an exterior surface of each of the bulk particles , wherein the bulk particles comprises a lithium composite oxide that contains element nickel and a doping element M , and the coating layer comprises an oxide of element M;{'sup': 1', '1', '2', '1, 'when the positive electrode active material is in an 11% delithiated state, an average valence of element Mis α, and an average valence of element Mis β;'}{'sup': 1', '2', '2', '2, 'when the positive electrode active material is in a 78% delithiated state, an average valence of element Mis α, and an average valence of element Mis β;'}{'sup': 1', '2', '2', '1', '1', '2', '1', '2, 'αand αsatisfy α>α, and βand βsatisfy β=β; and'}{'sup': 1', '2, 'element Mcomprises one or more of Si, Ti, Cr, Mo, V, Se, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and element Mis selected from one or more of Mg, Al, Ca, Zr, Zn, Y, and B.'}2. The positive electrode active material according to claim 1 , wherein αand αsatisfy α>α≥+3.3. The positive electrode active material according to claim 1 , wherein αis one or more of valences +3 claim 1 , +4 claim 1 , +5 claim 1 , and +6; and ...

Target Detection Method and Apparatus Based On Online Training

A target detection method and apparatus based on online training. According to this method, an Nframe of image is obtained; target detection and/or target tracking is performed on the Nframe of image to obtain at least one Ntarget area; and then, online training is performed on a training detection unit by using an (N−1)target area, where the training detection unit stores all target areas that are detected in a first frame of image to an (N−1)frame of image, so that online parallel processing on a detected target and the training detection unit is implemented, and multiple target samples are obtained according a user requirement; therefore, a target diversification requirement of an intelligent terminal user is satisfied, and further, a relatively accurate target area can be obtained according to a current user requirement. 1. A target detection method based on online training , comprising:{'sup': 'th', 'obtaining an Nframe of image, wherein N is an integer greater than 2;'}{'sup': th', 'th', 'th', 'th, 'performing target detection and/or target tracking on the Nframe of image to obtain at least one Ntarget area, wherein the Ntarget area is an area obtained by performing target detection on the Nframe of image; and'}{'sup': th', 'th', 'th', 'th', 'th', 'th, 'performing online training on a training detection unit by using an (N−1)target area, wherein the (N−1)target area is at least one target area obtained by performing target detection on (N−1)frame of image, the (N−1)frame of image is a previous frame of image of the Nframe of image, and the training detection unit stores all target areas that are detected in a first frame of image to the (N−1)frame of image.'}2. The method according to claim 1 , further comprising performing online training on the training detection unit by using the Ntarget area claim 1 , wherein the Ntarget area is at least one target area obtained by performing target detection on the Nframe of image.3. The method according to claim 1 , ...

Image Fusion Classification Method and Device

Provided are an image fusion classification method and device. The method includes that: a three-dimensional weight matrix of a hyperspectral image is obtained by use of a Support Vector Machine (SVM) classifier (101); superpixel segmentation is performed on the hyperspectral image to obtain K superpixel images, K being a positive integer (102); the three-dimensional weight matrix is regularized by use of a superpixel-image-based segmentation method to obtain a regular matrix (103); and a class that a sample belongs to is determined according to the regular matrix (104).

IMAGE PROCESSING METHOD AND APPARATUS, AND ELECTRONIC DEVICE

This application provides an image processing method and an electronic device. The method includes: obtaining a first image and a second image that are acquired at a same acquisition moment, where the first image is obtained by using a first photographing unit to acquire an image in a first acquisition region, and the second image is obtained by using a second photographing unit to acquire an image in a second acquisition region, where a parameter of the first photographing unit and a parameter of the second photographing unit are the same, and there is an overlapping acquisition region between the first acquisition region and the second acquisition region; and determining, according to the first image and the second image, whether the first photographing unit and the second photographing unit are normal. 1. An image processing method , comprising:obtaining a first image and a second image that are acquired at a same acquisition moment, wherein the first image is obtained by using a first photographing unit to acquire an image in a first acquisition region, and the second image is obtained by using a second photographing unit to acquire an image in a second acquisition region, wherein a parameter of the first photographing unit and a parameter of the second photographing unit are the same, and there is an overlapping acquisition region between the first acquisition region and the second acquisition region; anddetermining, according to the first image and the second image, whether the first photographing unit and the second photographing unit are normal.2. The method according to claim 1 , wherein when it is determined that the first photographing unit and the second photographing unit are normal claim 1 , two frames of images in the two acquisition regions that have an overlapping acquisition region and that are acquired by the first photographing unit and the second photographing unit at the same acquisition moment are synthesized to form a high dynamic range (HDR) ...

ANNEALING METHOD, PROCESS CHAMBER AND ANNEALING APPARATUS

A method includes maintaining a pressure in the process chamber at a threshold before and after a wafer is transferred into the process chamber and during the annealing process of the wafer. Not only the temperature fluctuation caused by the turbulent flow of the gas during the annealing process of the wafer can be avoided, but also the time for the temperature in the chamber to recover and stabilize can be shortened, thereby improving the equipment productivity. 1. An annealing method , wherein the method comprises:maintaining a pressure in the process chamber at a threshold before and after a wafer is transferred into a process chamber and during an annealing process of the wafer.2. The annealing method of claim 1 , further comprising:introducing a first gas into the process chamber before the wafer is transferred into the process chamber, and maintaining the pressure of the process chamber at the threshold; andintroducing a second gas into the process chamber after the wafer is introduced into the process chamber and during the annealing process of the wafer, and maintaining the pressure in the process chamber at the threshold.3. The annealing method of claim 2 , wherein maintaining the pressure in the process chamber at the threshold including controlling an exhaust flow rate of the process chamber to maintain the pressure in the process chamber at the threshold.4. The annealing method of claim 1 , further comprising:vacuuming the process chamber after annealing a number of wafers.5. The method of claim 2 , wherein the first gas is Nand the second gas is a mixed gas of Nand H.6. The method of claim 5 , wherein a flow rate of the first gas is between 100 and 500 sccm claim 5 , a flow rate of Nin the second gas is 1000 sccm claim 5 , and a flow rate of Hin the second gas is 300 sccm.7. The method of claim 1 , wherein the threshold is between 1 Torr to 10 Torr.8. The method of claim 7 , wherein the threshold is 2 Torr.9. A process chamber claim 7 , comprising:a ...

Image Denoising Method and Terminal

An image denoising method and terminal, where the method includes acquiring image data of an image, performing wavelet decomposition on at least one component of three components of the image data to obtain a high frequency wavelet coefficient and a low frequency wavelet coefficient of each component, performing recursive denoising on the low frequency wavelet coefficient of each component in at least one direction, to obtain a denoised low frequency wavelet coefficient of each component, performing wavelet reconstruction according to the high frequency wavelet coefficient of each component and the denoised low frequency wavelet coefficient of each component, to obtain at least one denoised component, and obtaining denoised image data. 1. An image denoising method , comprising:acquiring image data of an image;performing wavelet decomposition on at least one component of three components of the image data, to obtain a high frequency wavelet coefficient and a low frequency wavelet coefficient of each component, wherein the three components of the image data comprises a luminance component y and chrominance components u and v;performing recursive denoising on the low frequency wavelet coefficient of each component, to obtain a denoised low frequency wavelet coefficient of each component;performing wavelet reconstruction according to the high frequency wavelet coefficient of each component and the denoised low frequency wavelet coefficient of each component, to obtain at least one denoised component;combining the three denoised components to obtain denoised image data when at least one denoised component is three components; andcombining at least one denoised component with the other one or two components of the three components to obtain denoised image data when at least one denoised component is one or two components.3. The method according to claim 1 , wherein performing wavelet decomposition on at least one component of three components of the image data claim 1 , ...

Terminal, image processing method, and image acquisition method

The present invention discloses a terminal. The terminal includes: a first camera, a second camera, a processor, the processor is connected to both the first camera and the second camera, the first camera and the second camera are located on a same side of the terminal, the first camera is configured to acquire an image in a first region; the processor is configured to: analyze the image acquired by the first camera, determine, according to an analysis result, exposure used when the second camera acquires an image in a second region; the second camera acquires the image in the second region according to the exposure that is determined by the processor and is used when the second camera acquires the image in the second region; the processor is configured to synthesize the images into a high dynamic image.

POSITIVE ELECTRODE ACTIVE MATERIAL AND PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, LITHIUM-ION SECONDARY BATTERY, AND BATTERY MODULE, BATTERY PACK, AND APPARATUS CONTAINING SUCH LITHIUM-ION SECONDARY BATTERY

This application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery. The positive electrode active material includes bulk particles and an element M-containing oxide coating layer applied on an exterior surface of each of the bulk particles. The bulk particle includes a nickel-containing lithium composite oxide. Bulk phases of the bulk particles are uniformly doped with element M. A surface layer of the bulk particle is an exterior doped layer doped with element M. Element Mand element Mare each independently selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B, and element Mincludes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W. 1. A positive electrode active material , comprising bulk particles and an element M-containing oxide coating layer applied on an exterior surface of each of the bulk particles , wherein the bulk particle comprises a nickel-containing lithium composite oxide;{'sup': '2', 'bulk phases of the bulk particles are uniformly doped with element M; and'}{'sup': '3', 'a surface layer of the bulk particle is an exterior doped layer doped with element M,'}{'sup': 1', '3', '2, 'wherein element Mand element Meach are independently selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B, and element Mcomprises one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.'}2. The positive electrode active material according to claim 1 , wherein{'sup': '2', 'when the positive electrode active material is in a 78% delithiated state, element Mhas a valence higher than +3, optionally one or more of +4, +5, +6, +7, and +8; or'}{'sup': 2', '2, 'when the positive electrode active material is in a 78% delithiated state, element Mhas more than two different valence states, and element Min the highest ...

Positive electrode active material, preparation method thereof, positive electrode plate, lithium-ion secondary battery as well as battery module, battery pack and apparatus containing lithium-ion secondary battery

The present application discloses positive electrode active material, preparation method thereof, positive electrode plate, lithium-ion secondary battery and battery module, pack, and apparatus. The positive electrode active material includes a nickel-containing lithium composite oxide satisfying a chemical formula Li1+a[NixCoyMnzMb]O2, in the formula, M is a doping element at transition metal site, 0.5≤x<1, 0≤y<0.3, 0≤z<0.3, −0.1≤a<0.2, 0<b<0.3, x+y+z+b=1, wherein the positive electrode active material has a layered crystal structure and belongs to space group R3m; under the condition that the positive electrode active material is in 78% delithiation state, at least part of the doping elements M have a chemical valence of +3 or more, and surface oxygen of the positive electrode active material has an average valence state of VO satisfying −2.0≤VO≤−1.5.

Image processing method, apparatus and shooting terminal

Method and terminal for acquire panoramic image

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.

Intermediate frequency furnace for cast iron

本实用新型公开了一种铸铁用中频炉，属于铸铁加工领域，一种铸铁用中频炉，包括底座，底座的上端固定连接有支撑架，支撑架的上端设置有凹槽，凹槽内设置有卡槽，凹槽内滑动连接有限位块，限位块的上端设置有弹片，弹片的表面设置有卡块，凹槽内安装有支撑轴，支撑轴的左端固定连接有箱体，箱体的下端固定连接有支撑座，支撑轴的外侧固定套接有限位环，限位环与支撑架接触，支撑轴的末端固定套接有第一锥齿轮，箱体内安装有炉体，它采用电动机驱动第一锥齿轮和第二锥齿轮，使得支撑轴转动，从而带动箱体内的炉体转动，实现偏转，方便将铁液倒出，而且采用的支撑架与限位块的配合将支撑轴进行限位，拆卸方便快捷，便于进行检修工作。

Positive electrode active material, preparation method thereof, positive electrode plate, lithium-ion secondary battery as well as battery module, battery pack and apparatus containing lithium-ion secondary battery

The present application discloses positive electrode active material, preparation method thereof, positive electrode plate, lithium-ion secondary battery and battery module, pack, and apparatus. The positive electrode active material includes a nickel-containing lithium composite oxide satisfying a chemical formula Li 1+a [Ni x Co y Mn z M b ]O 2 , in the formula, M is a doping element at transition metal site, 0.5≤x<1, 0≤y<0.3, 0≤z<0.3, −0.1≤a<0.2, 0<b<0.3, x+y+z+b=1, wherein the positive electrode active material has a layered crystal structure and belongs to space group R 3 m; under the condition that the positive electrode active material is in 78% delithiation state, at least part of the doping elements M have a chemical valence of +3 or more, and surface oxygen of the positive electrode active material has an average valence state of V O satisfying −2.0≤V O ≤−1.5.

Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus containing such lithium-ion secondary battery cross-reference to related applications

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, battery pack, and apparatus containing such lithium-ion secondary battery are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M1; the matrix particle is doped with element M2 and element M3, element M2 in the matrix particle is uniformly distributed, and element M3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M1 and element M3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.

Packaging material and method of making same

Object detection method and device for online training

Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and battery module, battery pack, and apparatus containing such lithium-ion secondary battery

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and a battery module, a battery pack, and apparatus containing the lithium-ion secondary battery are provided. The positive electrode active material includes secondary particles formed by agglomeration of primary particles, where the primary particles include a layered nickel-containing lithium composite oxide, and the nickel-containing lithium composite oxide includes a doping element; and when the positive electrode active material is charged from an 11% delithiated state to a 78% delithiated state at a rate of 0.1C, a lattice of the primary particles has a maximum shrinkage rate satisfying Δa max ≤3.00% in an a-axis direction, and a maximum swelling rate satisfying Δc max ≤3.02% in a c-axis direction.

Battery and electronic device

A battery and an electronic device are disclosed, which relate to the field of electronic device technologies, so that the battery has different characteristics to meet use requirements for the battery in different application scenarios. Specifically, the battery includes a first cell and a second cell, and the first cell is different from the second cell. The battery provided in embodiments of this application is configured to provide power for the electronic device.

Object detection method and device for online training

A target detection method and apparatus based on online training are provided. According to this method, an N th frame of image is obtained; target detection and/or target tracking is performed on the N th frame of image to obtain at least one N th target area; and then, online training is performed on a training detection unit by using an (N-1) th target area, where the training detection unit stores all target areas that are detected in a first frame of image to an (N-1) th frame of image, so that online parallel processing on a detected target and the training detection unit is implemented, and multiple target samples are obtained according a user requirement; therefore, a target diversification requirement of an intelligent terminal user is satisfied, and further, a relatively accurate target area can be obtained according to a current user requirement.

Method and apparatus for detecting backlight

Tray for storing and transporting workpieces

A group of trays is configured for storing and transporting workpieces. Each tray includes a base and a frame. The base includes a plurality of receiving portion for receiving the workpieces. The frame surrounds the base to form a cavity. A plurality of projections are formed at the outer side of the flange. When two trays are stacked whether in a same direction or opposite direction, the lower tray is partially received in the cavity of the upper tray, and the projections of the lower tray resist the frame of the upper tray to stop the lower tray from being further inserted into the cavity of the upper tray.

Scene recognition method and apparatus

Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus

A positive electrode active material includes a core containing Li1+xMn1yAyP1−zRzO4, a first coating layer covering the core and containing a crystalline pyrophosphate MaP2O7 and a crystalline oxide M′bOc, and a second coating layer covering the first coating layer.

Battery control circuit, electronic device, and charging control method

This application provides a battery control circuit, an electronic device, and a charging control method. The battery control circuit is configured to control charging and discharging of a battery. The battery control circuit includes a processor and one or more charging links. The battery includes one or more bare cells. The charging link is electrically connected to the bare cell and the processor. The processor determines, based on a type of the bare cell, a charging policy to be performed by the charging link. In the foregoing design, several bare cells are integrated in one battery, so that different bare cells have independent charging and discharging functions. This can fully utilize performance of the battery.

Film-coated tablet

A gas layer is formed in a tablet core of the film-coated tablet after being immersed in acid. A mixture containing a permeation enhancer, a gas generating agent, and drug ingredients is compressed into a tablet. Then, the tablet is coated with a semipermeable film. After the film-coated tablet is immersed in acid for several seconds or longer, gas is generated from the tablet core to form a gas layer in the tablet core. Therefore, the tablet core becomes a two-layered structure, and the tablet floats. One of the layers is the gas layer. During a research process, the tablet core generates gas and expands, causing the film to rupture. After the film is ruptured, the tablet core can continue to float, and the drug release rate is related to the composition of the tablet core and is not affected by the film.

Wax heater

Positive electrode active material and preparation method therefor, positive electrode plate, secondary battery, battery module, battery pack, and electric device

This application provides a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core containing Li_1+xMn_1yA_yP_1-zR_zO₄, a first coating layer covering the core and containing a crystalline pyrophosphate MaP₂O₇ and a crystalline oxide M'_bO_c, and a second coating layer covering the first coating layer. The positive electrode active material in this application can reduce the generation of Li/Mn antisite defects, reduce the dissolution of manganese, and decrease the lattice change rate, increasing the capacity of the secondary battery and improving the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

パノラマ画像を取得する方法及び端末

【課題】パノラマ撮影中に中央位置における画像を強調可能であり、全体的効果を向上させるパノラマ画像を取得する方法を提供する。【解決手段】パノラマ撮影指示が取得された後、第１の画像を撮影し、第１の画像の撮影パラメータを取得するステップ１０１と、所定の移動ガイドポリシーに従って移動ガイド情報を決定し、端末を移動するようユーザに指示するため、移動ガイド情報を表示するステップ１０２と、端末が移動したことが検出された後、第１の画像の撮影パラメータに従って所定数の画像を撮影するステップ１０３であって、所定数の画像は第１の画像に対応する背景の左側と右側との双方における背景画像である、第１の画像をセンタとして利用し、所定の接合方式を利用することによって、第１の画像及び所定数の画像に対してシームレスな接合を実行し、パノラマ画像を取得するステップ１０４とを有する。【選択図】図１

Menetelmä ja päätelaite panoraamakuvan saamiseksi

Method and terminal for acquiring panoramic image

A method includes: after a panorama shooting instruction triggered by a user is acquired, shooting a first image, and acquiring a shooting parameter of the first image; determining move guiding information according to a preset move guiding policy, and displaying the move guiding information on a terminal, so as to instruct the user to move the terminal according to the move guiding information; shooting a preset quantity of images according to the shooting parameter of the first image after it is detected that the terminal moves, where the preset quantity of images are background images on both the left and right sides of a background corresponding to the first image; and performing, by using the first image as a center and by using a preset splicing scheme, seamless splicing on the first image and the preset quantity of images, to obtain a panoramic image.

Positive electrode active material and preparation method therefor, positive electrode sheet, secondary battery, battery module, battery pack and electrical device

This application provides a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core including Li 1+x Mn 1-y A y P 1-z R z O 4 , a first coating layer enveloping the core and containing a crystalline pyrophosphate Li a MP 2 O 7 and/or M b (P 2 O 7 ) c , a second coating layer enveloping the first coating layer and containing a crystalline oxide M' d O e , and a third coating layer enveloping the second coating layer and containing carbon. The positive electrode active material of this application can reduce Li/Mn anti-site defects generated, reduce dissolving-out amount of manganese, lower the lattice change rate, increase the capacity of the secondary battery, and improve the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Positive electrode active material and preparation method therefor, positive electrode plate, lithium ion secondary battery and battery module comprising lithium ion secondary battery, battery pack, and apparatus

Scene recognition method and apparatus

A scene recognition method includes acquiring an image and sensor data corresponding to the image and determining, in accordance with the sensor data, whether a scene of the image is a non-high-dynamic range (HDR) scene. The method also includes extracting an image feature of the image when it is not determined whether the scene of the image is the non-HDR scene and determining, in accordance with the image feature, whether the scene of the image is an HDR scene.

Method and terminal for acquire panoramic image

Positive electrode active material, preparation method therefor, positive electrode plate, lithium ion secondary battery and device comprising lithium ion secondary battery

This application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and an apparatus containing the lithium-ion secondary battery. The positive electrode active material includes bulk particles and a coating layer applied on an exterior surface of the bulk particle, where the bulk particle includes a lithium composite oxide that contains element nickel and a doping element M¹, and the coating layer includes an oxide of element M². When the positive electrode active material is in a 11% delithiated state, an average valence of element M¹ is α¹, and an average valence of element M² is β¹; when the positive electrode active material is in a 78% delithiated state, an average valence of element M¹ is α², and an average valence of element M² is β²; and α²>α¹, and β¹=β². Element M¹ includes one or more of Si, Ti, Cr, Mo, V, Se, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and element M² is selected from one or more of Mg, Al, Ca, Zr, Zn, Y, and B.

Positive electrode active material and preparation method therefor, positive electrode pole piece, secondary battery, battery module, battery pack, and power-consuming device

The present application provides a positive electrode active material, comprising Li

Positive electrode active material and preparation method therefor, positive electrode pole piece, secondary battery, battery module, battery pack, and power-consuming device

The present application provides a positive electrode active material, comprising Li a A x Mn 1-y B y P 1-z C z O 4-n D n , wherein A comprises one or more selected from a group IA, a group IIA, a group IIIA, a group IIB, a group VB, and a group VIB; B comprises one or more selected from the group IA, the group IIA, the group IIIA, a group IVA, a group VA, the group IIB, a group IVB, the group VB, the group VIB, and a group VIII; C comprises one or more selected from the group IIIA, the group IVA, the group VA, and a group VIA; D comprises one or more selected from the group VIA and a group VIIA; a is selected from 0.85 to 1.15; x is selected from 0 to 0.1; y is selected from 0.001 to 0.999; z is selected from 0 to 0.5; and n is selected from 0 to 0.5. The present application further provides a preparation method for the positive electrode active material, a positive electrode pole piece, a secondary battery, a battery module, a battery pack, and a power-consuming device. According to the positive electrode active material of the present application, the rate capability is improved, the dissolution of Mn and a doped element at the position of Mn is reduced, and the cycle performance and the high-temperature stability of the secondary battery are remarkably improved.

Positive electrode active material and preparation method therefor, positive electrode plate, secondary battery, battery module, battery pack, and power consuming device

A positive electrode active material includes Li a A x Mn 1-y B y P 1-z C z O 4-n D n . A includes one or more selected from group IA, group IIA, group IIIA, group IIB, group VB, and group VIB. B includes one or more selected from group IA, group IIA, group IIIA, group IVA, group VA, group IIB, group IVB, group VB, group VIB, and group VIII. C includes one or more selected from group IIIA, group IVA, group VA and group VIA. D includes one or more selected from group VIA and group VIIA. a is selected from 0.85 to 1.15. x is selected from 0 to 0.1. y is selected from 0.001 to 0.999. z is selected from 0 to 0.5. n is selected from 0 to 0.5.

Positive electrode active material, preparation method therefor, positive electrode plate, lithium ion secondary battery and device comprising lithium ion secondary battery

This application discloses a positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery, and an apparatus containing such lithium-ion secondary battery. The positive electrode active material includes secondary particles and a coating layer applied on an exterior surface of the secondary particle, where the secondary particle includes a lithium transition metal oxide that contains a doping element M 1 , the coating layer includes an oxide of element M 2 , M 1 is selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and M 2 is selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B; a relative deviation of local mass concentration of element M 1 in the secondary particle is less than 20%; and the secondary particle from the core to the exterior surface of the particle includes a plurality of layers of primary particles arranged along radial direction of the secondary particle, and the number of primary particles contained in the outermost layer of the plurality of layers ranges from 5 per µm 2 to 50 per µm 2 .

Electronic Device and Method for Dynamically Adjusting Exposure Parameter of Spectral Sensor

An electronic device and a method for dynamically adjusting an exposure parameter of a spectral sensor. The method includes: The electronic device determines whether a Clear value is less than or equal to a first threshold; and if the Clear value is less than or equal to the first threshold, the electronic device determines whether an analog gain of the spectral sensor reaches a second threshold; and if the analog gain of the spectral sensor reaches the second threshold, the electronic device extends an exposure time of the spectral sensor; or if the analog gain of the spectral sensor does not reach the second threshold, the electronic device increases the analog gain of the spectral sensor.

Metodo per la preparazione di titanio metallico mediante l'elettrolisi di sali fusi con circolazione di titanio

Positive electrode active material having core-shell structure and preparation method therefor, positive electrode plate, secondary battery, battery module, battery pack, and electric device

This application provides a positive electrode active material with a core-shell structure, a preparation method of positive electrode active material, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core containing Li m A x Mn 1-y B y P 1-z C z O 4-n D n , a first coating layer covering the core and containing a crystalline pyrophosphate M a P 2 O 7 and an oxide M' b O c , and a second coating layer covering the first coating layer. The positive electrode active material in this application can reduce the generation of Li/Mn antisite defects, reduce the dissolution of manganese, and decrease the lattice change rate, increasing the capacity of the secondary battery and improving the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Battery and electronic device

A battery and an electronic device are disclosed. The battery includes: a first bare cell portion and a second bare cell portion. The first bare cell portion has a first surface and a side surface connected to the first surface, the first surface is configured to face towards a same direction as that of an opening of a battery compartment of an electronic device when the battery is installed in the battery compartment, and the side face is configured to face towards an inner side surface of the battery compartment of the electronic device when the battery is installed in the battery compartment. The second bare cell portion is located on a side that the first surface faces, and an orthographic projection of the second bare cell portion on the first surface overlaps the first surface, and/or the second bare cell portion is located on a side that the side surface faces, and an orthographic projection of the second bare cell portion on the side surface overlaps the side surface. In the battery provided in the embodiments of the present application, the risk of an internal short circuit and burning of the battery caused by high capacities of the first bare cell portion and the second bare cell portion can be reduced at least to some extent, and the safety of the battery can be improved.

Battery and Electronic Device

A battery and an electronic device are disclosed. The battery includes: a first bare cell portion and a second bare cell portion. The first bare cell portion has a first surface and a side surface connected to the first surface, the first surface is configured to face towards a same direction as that of an opening of a battery compartment of an electronic device when the battery is installed in the battery compartment, and the side face is configured to face towards an inner side surface of the battery compartment of the electronic device when the battery is installed in the battery compartment. The second bare cell portion is located on a side that the first surface faces, and an orthographic projection of the second bare cell portion on the first surface overlaps the first surface.

Método e terminal para aquisição de imagem panorâmica

MÉTODO E TERMINAL PARA AQUISIÇÃO DE IMAGEM PANORÂMICA. A presente invenção refere-se a um método para adquirir uma imagem panorâmica, que inclui: (101) após uma instrução de captação de panorama acionada por um usuário ser adquirida, captar uma primeira imagem e adquirir um parâmetro de captação da primeira imagem; (102) determinar informações de orientação de movimento de acordo com uma política de orientação de movimento predefinida e exibir as informações de orientação de movimento no terminal, de modo a instruir o usuário a mover o terminal de acordo com as informações de orientação de movimento; (103) captar uma quantidade predefinida de imagens de acordo com o parâmetro de captação da primeira imagem após ser detectado que o terminal se move, em que a quantidade predefinida de imagens são imagens de plano de fundo em ambos os lados direito e esquerdo de um plano de fundo correspondente à primeira imagem; e (104) realizar, usando-se a primeira imagem como um centro e usando-se um esquema de junção predefinido, a junção perfeita na primeira imagem e na quantidade predefinida de imagens, para obter uma imagem panorâmica. De acordo com o método fornecido nas modalidades da presente invenção, uma imagem em uma (...).

Método y terminal para adquirir una imagen panorámica

La presente invención describe un método para adquirir una imagen panorámica, que incluye: después de adquirir una instrucción de toma panorámica activada por un usuario, tomar una primera imagen y adquirir un parámetro de toma de la primera imagen; determinar la información de guía de movimiento de acuerdo con una política de guía de movimiento preestablecida, y visualizar la información de guía de movimiento en un terminal, para indicar al usuario que mueva el terminal de acuerdo con la información de guía de movimiento; tomar una cantidad preestablecida de imágenes de acuerdo con el parámetro de toma de la primera imagen después de que se detecta que el terminal se mueve, donde la cantidad preestablecida de imágenes son imágenes de fondo tanto en el lado izquierdo como en el derecho de un fondo correspondiente a la primera imagen; y realizar, utilizando la primera imagen como centro y utilizando un esquema de empalme preestablecido, un empalme continuo en la primera imagen y la cantidad preestablecida de imágenes, para obtener una imagen panorámica. Según el método proporcionado en las realizaciones de la presente invención, se puede resaltar una imagen en una posición central durante la toma panorámica, mejorando así el efecto general de una imagen panorámica. (Traducción automática con Google Translate, sin valor legal)

A storage holder for cards

Positive electrode active material and preparation method therefor, positive electrode plate, lithium ion secondary battery and battery module comprising lithium ion secondary battery, battery pack, and apparatus

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery (5), and a battery module (4), battery pack (1), and apparatus containing such lithium-ion secondary battery (5) are disclosed. The positive electrode active material includes a lithium nickel cobalt manganese oxide. In the lithium nickel cobalt manganese oxide, the number of moles of nickel accounts for 50% to 95% of the total number of moles of nickel, cobalt, and manganese. The lithium nickel cobalt manganese oxide has a layered crystal structure with a space group R3m . The lithium nickel cobalt manganese oxide includes a doping element. When the positive electrode active material is in a 78% delithiated state, the doping element has two or more different valence states, and the amount of doping element in a highest valence state accounts for 40% to 90% of the total amount of doping element.

Deep learning based image reconstruction

An image may be reconstructed from sensor data, which may include optical imaging data such as diffusion optical tomography ("DOT") data. The sensor data are received by a computer system. A machine learning model is accessed with the computer system, where the machine learning model includes a first subnetwork that receives sensor data as an input and generates an intermediate image as a first output, and a second subnetwork that receives the first output from the first subnetwork and generates an enhanced image as a second output. The sensor data are input to the machine learning model using the computer system, generating an enhanced image as an output. The enhanced image may have higher spatial resolution, reduced noise, or other improved image quality. Structural images may be passed as an additional input to the second subnetwork of the machine learning model to increase the spatial resolution of the enhanced image.

Positive electrode active material, preparation method therefor, and lithium ion secondary battery

Method for dynamically adjusting exposure parameter of spectral sensor, and electronic device

This application provides an electronic device and a method for dynamically adjusting an exposure parameter of a spectral sensor. The method includes: The electronic device determines whether a Clear value is less than or equal to a first threshold; and if the Clear value is less than or equal to the first threshold, the electronic device determines whether an analog gain of the spectral sensor reaches a second threshold; and if the analog gain of the spectral sensor reaches the second threshold, the electronic device extends an exposure time of the spectral sensor; or if the analog gain of the spectral sensor does not reach the second threshold, the electronic device increases the analog gain of the spectral sensor; or if the Clear value is greater than the first threshold, the electronic device determines whether an exposure time of the spectral sensor reaches a fourth threshold, where the fourth threshold is a lower threshold of the exposure time of the spectral sensor; and if the exposure time of the spectral sensor reaches the fourth threshold, the electronic device reduces an analog gain of the spectral sensor; or if the exposure time of the spectral sensor does not reach the fourth threshold, the electronic device shortens the exposure time of the spectral sensor.

Procede de preparation d’un materiau d’adsorption en deux etapes a base de boues de fenton et son utilisation

La présente demande fournit un procédé de préparation d’un matériau d’adsorption en deux étapes à base de boues Fenton et son utilisation. Le procédé comprend : la soumission d’une poudre de boues de Fenton à une pyrolyse primaire pour obtenir un matériau d’adsorption primaire, l’absorption des ions magnésium avec le matériau d’adsorption primaire, et la réalisation d’une pyrolyse secondaire pour obtenir un matériau d’adsorption secondaire. Le procédé de préparation d’un matériau d’adsorption en deux étapes à base de boues de Fenton fourni par la présente demande utilise uniquement des boues de Fenton comme matière première pour préparer un matériau d’adsorption en deux étapes, où le matériau d’adsorption primaire a une bonne activité d’adsorption sur le magnésium métallique, et le matériau d’adsorption secondaire a une bonne activité d’adsorption sur le phosphore, ce qui permet d’obtenir l’effet d’adsorption en deux étapes du matériau d’adsorption préparé avec des boues de Fenton et d’améliorer le degré d’utilisation de ressources des boues de Fenton. Par conséquent, la présente demande réalise l’effet technique d’un traitement efficace et complet des boues de Fenton, des eaux usées contenant du magnésium et des eaux usées contenant du phosphore.

Test circuit, integrated circuit, electronic device, and method for generating the test circuit

This application relates to the field of integrated circuit testing, and discloses a test circuit, an integrated circuit, an electronic device, and a method for generating a test circuit, to implement consistency of timing of data transmission on a test bus and improve a transmission rate of the test bus. The test circuit includes a first input bus, a second input bus, a first output bus, a second output bus, a first dynamic routing unit DRU, and a first register. In a clock cycle: the first DRU outputs test excitation from the first input bus to a tested circuit, and outputs a test response from the tested circuit to the first output bus; or the first DRU outputs data from the first input bus to the first output bus; and the first register outputs data from the second input bus to the second output bus.

Methods for epitope mapping

A TRESI-HDX-based method for mapping protein-protein interactions comprises substantially simultaneously (a) initiating complexation between the proteins and (b) labelling the complex. In aspects, the proteins comprise an antibody and an antigen, an enzyme and a substrate, or a drug and a drug target. In aspects, the labelling time is from about 1 ms to about 1000 ms.

Positive electrode active material and preparation method therefor, positive electrode plate, lithium ion secondary battery, and battery module, battery pack, and apparatus containing such lithium-ion secondary battery

Positive electrode active material, preparation method therefor, and positive electrode plate, secondary battery and electrical device comprising same

The present application provides a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device. The positive electrode active material having a core-shell structure, including a core and a shell cladding the core, the core has a chemical formula of Li m A x Mn 1-y B y P 1-z C z O 4-n D n , the shell includes a first cladding layer cladding the core, a second cladding layer cladding the first cladding layer and a third cladding layer cladding the second cladding layer, the first cladding layer includes crystalline pyrophosphates Li a MP 2 O 7 and/or M b (P 2 O 7 ) c , the second cladding layer includes crystalline phosphate XPO 4 , and the third cladding layer is carbon.The positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.

物料盤

Method for dynamically adjusting exposure parameter of spectral sensor, and electronic device

Battery control circuit, electronic device, and charging control method

This application provides a battery control circuit, an electronic device, and a charging control method. The battery control circuit is configured to control charging and discharging of a battery. The battery control circuit includes a processor and one or more charging links. The battery includes one or more bare cells. The charging link is electrically connected to the bare cell and the processor. The processor determines, based on a type of the bare cell, a charging policy to be performed by the charging link. In the foregoing design, several bare cells are integrated in one battery, so that different bare cells have independent charging and discharging functions.

Positive electrode active material, preparation method therefor, positive electrode sheet and lithium ion secondary battery

Positive electrode active material, preparation method therefor, positive electrode sheet and lithium ion secondary battery

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery (5), and a battery module (4), battery pack (1), and apparatus containing such lithium-ion secondary battery (5) are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M 1 ; the matrix particle is doped with element M 2 and element M 3 , element M 2 in the matrix particle is uniformly distributed, and element M 3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M 1 and element M 3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M 2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.

Positive electrode active material with core-shell structure and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus

Provided are a positive electrode active material with a core-shell structure, a preparation method of positive electrode active material, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core containing LimAxMn1-yByP1-zCzO4-nDn, a first coating layer covering the core and containing a crystalline pyrophosphate MaP2O7 and an oxide M′bOc, and a second coating layer covering the first coating layer. The positive electrode active material in this application can reduce the generation of Li/Mn antisite defects, reduce the dissolution of manganese, and decrease the lattice change rate, increasing the capacity of the secondary battery and improving the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Positive electrode active material having core-shell structure and preparation method therefor, positive electrode sheet, secondary battery, battery module, battery pack, and electrical apparatus

This application provides a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core containing Li m A x Mn 1-y B y P 1-z C z O 4-n D n , a first coating layer enveloping the core and containing a crystalline pyrophosphate Li a MP 2 O 7 and/or M b (P 2 O 7 ) c , a second coating layer enveloping the first coating layer and containing an oxide M' d O e , and a third coating layer enveloping the second coating layer and containing carbon. The positive electrode active material of this application can reduce Li/Mn anti-site defects produced, reduce dissolving-out amount of manganese, lower the lattice change rate, increase the capacity of the secondary battery, and improve the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Battery and electronic device

Positive electrode active material, preparation method therefor and positive electrode plate containing same, and secondary battery and electric apparatus

The present application provides a positive electrode active material, a method for the preparation thereof and a positive electrode plate, a secondary battery and an electrical device containing the same. The positive electrode active material having a core-shell structure, comprising a core and a shell covering the core, wherein the core has a chemical formula of Li a A x Mn 1-y B y P 1-z C z O 4-n D n , the shell comprises a first cladding layer covering the core, and a second cladding layer covering the first cladding layer, wherein the first cladding layer comprises pyrophosphate MP 2 O 7 and phosphate XPO 4 , and the second cladding layer comprises carbon. The positive electrode active material of the present application enables the secondary battery and electrical device to have a relatively high energy density, and good cycling performance, rate performance and safety performance.

Positive electrode active material, positive electrode sheet, secondary battery, battery module, battery pack, and electric device

Proposed are a positive electrode active material, a positive electrode plate, a secondary battery, a battery module, a battery pack and a power consuming device. The positive electrode active material has LiMPO₄, wherein M includes Mn and a non-Mn element, and the non-Mn element satisfies at least one of the following conditions: the ionic radius of the non-Mn element being denoted as a, and the ionic radius of manganese element being denoted as b, |a-b|/b is not greater than 10%; the valence alternation voltage of the non-Mn element being denoted as U, 2 V < U < 5.5 V; the chemical activity of a chemical bond formed by the non-Mn element and O is not less than that of a P-O bond; and the highest valence of the non-Mn element is not greater than 6.

Supporting device

一种多功能转盘自动攻牙机

本实用新型涉及一种多功能转盘自动攻牙机，包括操作台，设置于所述操作台顶面的攻牙机构和机械手，所述操作台顶面的中部设有转盘，所述转盘底部中心设有伺服电机，所述伺服电机的输出轴与所述转盘固定连接，所述转盘有若干个固定孔，所述固定孔上嵌设有冶具，所述攻牙机构有若干个，若干个所述攻牙机构围绕所述转盘设置，所述攻牙机构的位置与所述冶具的位置相对应，所述机械手设置于所述转盘一侧，且所述机械手的位置与所述冶具位置相对应，通过机械手有序的上料和下料，转盘有序的运转配合攻牙机构攻牙，且上料传感器和下料传感器配合，机械手和攻牙机构工作，保证工作效率和质量。

Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and apparatus containing such lithium-ion secondary battery

This application discloses a positive electrode active material, including secondary particles and a coating layer applied on an exterior surface of each of the secondary particles, where the secondary particle includes a lithium transition metal oxide that contains a doping element M1, the coating layer includes an oxide of element M2, M1 is selected from one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W, and M2 is selected from one or more of Mg, Al, Ca, Ce, Ti, Zr, Zn, Y, and B; a relative deviation of local mass concentration of element M1 in the secondary particle is less than 20%; and the secondary particle from the core to the exterior surface of the particle includes a plurality of layers of primary particles arranged along radial direction of the secondary particle.

Positive electrode active material, preparation method therefor, positive electrode sheet and lithium ion secondary battery

A positive electrode active material and a preparation method thereof, a positive electrode plate, a lithium-ion secondary battery (5), and a battery module (4), battery pack (1), and apparatus containing such lithium-ion secondary battery (5) are provided. The positive electrode active material includes matrix particles and a coating layer covering an exterior surface of the matrix particle, where the matrix particle includes a lithium nickel cobalt manganese oxide, and the coating layer includes an oxide of element M 1 ; the matrix particle is doped with element M 2 and element M 3 , element M 2 in the matrix particle is uniformly distributed, and element M 3 in the matrix particle has a decreasing concentration from the exterior surface to a core of the matrix particle; and element M 1 and element M 3 are each independently selected from one or more of Mg, Al, Ca, Ba, Ti, Zr, Zn, and B, and element M 2 includes one or more of Si, Ti, Cr, Mo, V, Ge, Se, Zr, Nb, Ru, Rh, Pd, Sb, Te, Ce, and W.

Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus

Provided are a positive electrode active material and a preparation method thereof, a positive electrode plate, a secondary battery, a battery module, a battery pack, and an electric apparatus. The positive electrode active material includes a core including Li 1+x M n1−y A y P 1−z ,R z O 4 , a first coating layer enveloping the core and containing a crystalline pyrophosphate Li a MP 2 O 7 and/or Mb(P 2 O 7 ) e , a second coating layer enveloping the first coating layer and containing a crystalline oxide M′ d O e , and a third coating layer enveloping the second coating layer and containing carbon. The positive electrode active material of this application can reduce Li/Mn anti-site defects generated, reduce dissolving-out amount of manganese, lower the lattice change rate, increase the capacity of the secondary battery, and improve the cycling performance, high-temperature storage performance, and safety performance of the secondary battery.

Positive electrode active material, positive electrode plate, secondary battery, battery module, battery pack and power consuming device

A positive electrode active material has LiMPO4, wherein M includes Mn and a non-Mn element, and the non-Mn element satisfies at least one of the following conditions: the ionic radius of the non-Mn element being denoted as a, and the ionic radius of manganese element being denoted as b, |a−b|/b is not greater than 10%; the valence alternation voltage of the non-Mn element being denoted as U, 2 V<U<5.5 V; the chemical activity of a chemical bond formed by the non-Mn element and O is not less than that of a P—O bond; and the highest valence of the non-Mn element is not greater than 6.

Exhaust returning air induction device for motorcycle with speed limiter