Engine gasoline steam absorption and reutilization device

The invention discloses an engine gasoline steam absorption and reutilization device which comprises a gasoline tank gasoline steam breather pipe, an arc-shaped carbon tank and a negative pressure pipe. An arc-shaped gas distribution pipe is arranged in the arc-shaped carbon tank in the arc direction of the arc-shaped carbon tank, an arc-shaped activated carbon chamber is formed between the arc-shaped gas distribution pipe and the arc-shaped carbon tank, and an arc-shaped sliding channel is formed in the arc-shaped gas distribution pipe. The gas distribution unit can actively rotate and move along an arc path of the arc sliding channel, the gas outlet end of the negative pressure pipe is communicated with a gas inlet manifold of the engine, and the gas extraction end of the negative pressure pipe is communicated with the arc activated carbon chamber through the gas distribution unit, so that the negative pressure desorption efficiency can be improved; the two actions of the conical hole ...

Jig base and laminating device

The invention provides a jig base and a laminating device, relates to the technical field of display panels, and is used for solving the problems that the jig base cannot be suitable for the preparation process of flexible OLED display devices of different sizes and is poor in universality. The jig base is used for fixing a laminating jig and comprises a base and two clamping assemblies; the two clamping assemblies are arranged on the base, each clamping assembly comprises an abutting structure, the abutting structure of one clamping assembly and the abutting structure of the other clamping assembly are oppositely arranged in the first direction, and the abutting structure of one clamping assembly and the abutting structure of the other clamping assembly are oppositely arranged in the second direction. The abutting structure of the clamping assembly and the other clamping assembly is used for abutting against the two ends, in the first direction, of the attaching jig; at least one of the ...

Light source device

The invention relates to a light source device, which comprises an insulator, a heat conductor, a first plate electrode, a second plate electrode, a light-emitting diode chip and metal wires. The insulator is provided with an accommodation groove; the heat conductor is arranged in the insulator, is opposite to the accommodation groove, and is provided with a bearing part exposed at the bottom of the accommodation groove; the first plate electrode and the second plate electrode are embedded in the insulator respectively and extend into the accommodation groove, and are separated from the heat conductor; the light-emitting diode chip is directly arranged on the bearing part of the heat conductor; and the first plate electrode and the second plate electrode are electrically connected with the light-emitting diode chip through the metal wires.

Control system for water spray cooling device of transformer and control method of control system

The invention provides a control system for a water spray cooling device of a transformer and a control method of the control system. The control system comprises a local control cabinet and a remote control terminal, the local control cabinet at least internally comprises a control mode change-over switch, an automatic control mode change-over switch, a time control switch, a manual control switch, a remote control switch, a signal transmitter, a temperature controller, a flow meter, a proportioning valve and a water pump; and the remote control terminal is used for receiving information sent by the signal transmitter and the water pump and issuing a control command to the remote control switch, the time control switch or the temperature controller. Comprising the following steps: a manual control mode: manually opening/closing a proportioning valve on site, and manually setting the opening degree of the proportioning valve on site; in the remote control mode, the proportioning valve is ...

SUPPORT MEMBER AND BONDING DEVICE

The embodiment of the invention provides a supporting component and a laminating device, the supporting component is used for laminating a curved surface cover plate and a flexible screen, and the supporting component comprises a base, which is provided with a supporting surface at one side in a first direction; the flexible supporting table is arranged on the supporting face and used for supporting the flexible screen, the flexible supporting table comprises a body, a strip-shaped part connected to the body and an edge part arranged on the side, away from the body, of the strip-shaped part, at least part of the strip-shaped part and the base are arranged in a spaced mode, and the edge part abuts against the supporting face. According to the embodiment of the invention, the distance between the first surface of the strip-shaped part and the supporting surface is large, so that the problem that attachment bubbles exist between the special-shaped part of the curved-surface cover plate and ...

Waterproof casing pipe structure of dewatering well point and construction technology of waterproof casing pipe structure

The invention discloses a waterproof sleeve structure of a dewatering well point and a construction technology of the waterproof sleeve structure, and belongs to the field of basement waterproofness, the waterproof sleeve structure comprises a waterproof sleeve, the outer side of the waterproof sleeve is provided with a waterstop ring and annular reinforcing steel bars, and the annular reinforcing steel bars are arranged on the two sides of the waterstop ring respectively; an annular opening is formed in the upper end part of the waterproof sleeve, a plurality of groups of upper connecting holes which are distributed at equal intervals are formed in the annular opening, bolt columns are mounted in the upper connecting holes, and bolt bodies of the bolt columns are arranged upwards; a flange blind disc is detachably arranged at the upper end of the waterproof sleeve, a connecting hole is formed in the flange blind disc, the lower connecting hole is matched with the upper connecting hole ...

Manufacturing method of light-emitting diode-based light-emitting device

The invention relates to a manufacturing method of a light-emitting diode-based light-emitting device. The manufacturing method comprises the following steps: step one, providing an optical element containing grooves; step 2, filling the grooves of the optical element with transparent adhesive materials; step three, providing a light source with light-emitting diodes; and step four, embedding the light-emitting diodes of the light source into the grooves of the optical element and exhausting air between the light-emitting diodes and the transparent adhesive materials. With the manufacturing method, a total reflection phenomenon that is caused during the process of light incidence to the optical element from the light-emitting diode light source can be reduced, so that the light energy loss can be minimized and the light utilization efficiency of the light-emitting device can be improved.

Constant power generalized predictive control method for wind power generator set based on Hammerstein-Wiener model

The invention relates to a constant power generalized predictive control method for a wind power generator set based on a Hammerstein-Wiener model. The constant power generalized predictive control method comprises the following steps: acquiring enough sample data inputted and outputted by a wind power generation system in real time, establishing the Hammerstein-Wiener wind power generator prediction model based on a least squares support vector machine and obtaining the power multi-step prediction output of a wind power generator through model identification; outputting and calculating a quadratic performance index subjected to generalized predictive control through a multi-step prediction output and reference trajectory of the wind power generation system; carrying out rolling optimization on the quadratic performance index by adopting a quasi-Newton trust region CPSO (Chaos Particle Swarm Optimization) hybrid optimization algorithm, outputting a pitch angle controlled quantity u(k) capable ...

New nickel ore loading and unloading operation method

A new nickel ore loading and unloading operation method includes that firstly a grab provided with nickel ore operation special bucket is used for loading the nickel ore onto a hopper door cargo bucket or a nickel ore operation pallet provided with a port door from the bottom of a cargo ship when handling the nickel ore, then the nickel ore on the hopper door cargo bucket or the nickel ore operation pallet is unloaded onto a loader at a dock, and the nickel ore is loaded to an auto dumper to be transported to goods yard. The new nickel ore loading and unloading operation method improves the original nickel ore handling technological flow; by adopting the technological flow, goods sticky condition of a nickel ore loading and unloading tool is solved, bucket cleaning time is saved for loading and unloading personnel, and efficiency of cargo-handling is greatly improved. The new nickel ore loading and unloading operation technological method not only saves labor power and material resources ...

Baffling cooling device and application

The invention discloses a baffling cooling device and application, and belongs to the field of aero-engines. Comprising a hot side flat plate, a baffle plate, an outer side cover plate, hollow turbulent flow columns, a baffle front plate and a baffle tail plate, a cold air channel is formed between the baffle plate and the outer side cover plate, and the hot side flat plate is located on one side of a high-temperature fuel gas channel; a plurality of hollow turbulent flow columns are arranged between the hot side flat plate and the baffle plate to form a middle channel containing the hollow turbulent flow columns; the baffle front plate is packaged at the front ends of the baffle plate and the outer side cover plate, and the baffle tail plate is packaged at the tail ends of the hot side flat plate and the outer side cover plate to form a semi-closed space; cooling air enters the middle channel to form cooling air flow, passes through the hollow turbulent flow columns and then is folded ...

Positioning drilling method for deep hole machining

The invention relates to a positioning drilling method for deep hole machining, which comprises the following steps that a control unit measures deviation data of a workpiece through a detection unit, calculates and analyzes the deviation data to obtain control parameters for adjusting a drilling tool unit and outputs a feedback instruction based on a feeding state to the detection unit; the feeding state at least comprises feeding speed and feeding depth; the control unit obtains deviation data of the detection section based on the characteristic thickness, the characteristic angle and the workpiece parameters of the detection section; and the control unit takes the deviation data of the plurality of detection sections in the axial direction and the change rate of the deviation data as control parameters for automatic feeding and/or deviation correction control of the drilling tool unit. The machining precision under the conditions of blind hole machining, eccentric machining and high-depth-diameter-ratio ...

Photocatalyst purification plant

The invention provides a photocatalyst purification plant, comprising at least one light source, one photocatalyst filter screen and at least one water supply device; the photocatalyst filter screen includes a photocatalyst carrier and a photocatalyst material layer formed on the section of the photocatalyst carrier, wherein the photocatalyst carrier has water absorbability, the at least one water supply device supplies water for the photocatalyst carrier which absorbs the water so as to form a water film on the surface of the photocatalyst material layer; the light source irradiates the photocatalyst material layer which is led to react with the water film on the surface thereof to generate hydroxyl radicals attached on the surface of the photocatalyst material layer; and the liquid or gas and the like are purified when going through the photocatalyst filter screen and contacting with the photocatalyst material layer.

Light emitting diode

The invention relates to a light emitting diode, which comprises a reflecting cup, at least one light emitting diode chip and a plurality of electrodes, wherein the reflecting cup comprises a body and a containing groove arranged on the body, the pluralities of electrodes are arranged on the body and are located on the bottom portion of the containing groove, and the light emitting diode is arranged in the containing groove and is electrically connected with the pluralities of electrodes. The light emitting diode further comprises a first scattering layer and a light conversion layer, the first scattering layer is arranged in the containing groove and covers at least one light emitting diode chip, the first scattering layer includes scattering particles, and the light conversion layer is arranged on one side of the first scattering layer far away from the light emitting diode chip.

Arsenic precipitation agent for gallium-arsenic separation and method for separating gallium and arsenic in gallium-arsenic solution

The invention discloses an arsenic precipitation agent for gallium-arsenic separation, which comprises one or more of barium oxide, calcium oxide, magnesium oxide and cerium oxide, and the mass ratio of barium oxide to calcium oxide to magnesium oxide to cerium oxide is (3-8): (0-1): (0-1): (0-1). The invention further provides a method for separating gallium and arsenic in the gallium-arsenic solution. The arsenic precipitation agent for gallium and arsenic separation mainly comprises one or more of barium oxide, calcium oxide, magnesium oxide and cerium oxide, has the advantages of being low in cost, non-toxic, harmless, free of operation risk and the like, introduced impurity ions easily react with sulfate and carbonate to be removed, and has the advantages of being good in arsenic and gallium separation effect and high in arsenic removal rate.

Photocatalyst device

The invention relates to a photocatalyst device which comprises at least one photocatalyst layer and at least one plate electrode; the at least one photocatalyst layer is used for generating electronsand cavities by excitation after absorbing the energy of light with specific wave length; and the at least one plate electrode is respectively arranged to be adjacent to the corresponding photocatalyst layer and used for polarizing the electrons and cavities generated by the corresponding photocatalyst layer by excitation after being provided with a bias voltage. The photocatalyst device sets electrodes, and after being provided with the bias voltage, the electrode can polarize the electrons and cavities generated by the corresponding excited photocatalyst layer which is arranged to be adjacent to the electrode by excitation, thus causing the electrons to be separated from the cavities so as to avoid automatic compound annihilation of the electrons and the cavities, and further effectively ...

Method for jointing semiconductor element with thermotube

The invention relates to a method for jointing a semiconductor element with a thermotube, which comprises the following steps of: providing a thermotube shell which has at least one open end; forming a capillary structure layer on the inner wall of the thermotube shell; jointing one semiconductor element with the thermotube shell which has the capillary structure layer fixedly by metals; injecting working fluid into the thermotube shell jointed with the semiconductor element and exhausting the air in the thermotube shell; and sealing the at least one open end of the thermotube shell. The joint method avoids bending deformation or explosion and the like of the thermotube when being jointed with the semiconductor element, thereby being capable of effectively protecting the thermotube.

Laminating machine

The invention relates to the technical field of lamination stacking machines, and discloses a lamination stacking machine which is characterized by comprising a machine body, and the machine body is provided with a conveying mechanism capable of conveying at least one negative film; on the basis of a traditional lamination stacking machine, the material changing mechanism is arranged, the material changing mechanism automatically removes common material sheets on the conveying mechanism according to production requirements, the common material sheets are replaced with special material plates, and therefore the problem that the production flexibility of an assembly line is poor is solved. And meanwhile, in the actual production process, the flitch always has unqualified products, the unqualified flitch is removed through the material removing assembly, then the unqualified flitch is replaced with the qualified flitch, and therefore the percent of pass of the products is increased.

Method for recycling antimony, lead and precious metal through sulfuration reduction smelting of arsenic-lead-removed anode slime

The invention relates to a method for recovering antimony, lead and precious metals by vulcanizing, reducing and smelting arsenic-removed lead anode slime, which specifically comprises the following steps of: grinding the arsenic-removed lead anode slime, a reducing agent, a vulcanizing agent and a slag former to a certain particle size, and mixing according to a certain proportion; the mixture is fed into a reduction smelting furnace for reduction smelting, the smelting temperature and the smelting time are controlled, lead-antimony alloy is generated, and precious metal is captured; the reducing agent is at least one of coke, pulverized coal, natural gas or semi-coke; the vulcanizing agent is at least one of lead sulfide, zinc sulfide or arsenic sulfide; the slag former is at least one of sodium carbonate or sodium hydroxide. Compared with the prior art, the characteristic that the combining capacity of a sulfur component in the vulcanizing agent and a sodium component in the arsenic-removed ...

Temporary support construction method for long-span post-cast strip of shallow-foundation multi-layer frame structure

The invention discloses a shallow-foundation multi-layer frame structure large-span post-cast strip temporary support construction method which comprises the following steps: obtaining the size of a column net and the position of a post-cast strip, designing distribution positions of a post-cast strip temporary support small bearing platform, temporary foundation columns and temporary constructional columns through bearing capacity and stability checking calculation, and constructing the post-cast strip temporary support small bearing platform. The materials and the strength of a post-cast strip temporary supporting foundation and a temporary constructional column are confirmed; according to the distribution position of the post-cast strip temporary supporting constructional columns, an independent foundation bearing platform and temporary few-rib rectangular foundation short columns are poured on a designed natural foundation or a supporting layer, and the post-cast strip is reserved according ...

Back light module unit

A back light module comprises a light guide plate, an LED light source group and a ventilation pipe. The light guide plate is provided with a light emitting face and an incident light face arranged on the lateral side of the light emitting face, the LED light source group is arranged on the incident light face of the light guide plate, a light emitting face of the LED light source group is opposite to the incident light face, the ventilation pipe is provided with an air passage, two ends of the ventilation pipe are respectively equipped with an air inlet and an air outlet communicated with the air passage, the air outlet is higher than the air inlet in the gravity direction, the LED light source group is arranged on the outer wall of the ventilation pipe and is in thermal connection with the ventilation pipe, the ventilation pipe adsorbs thermal energy generated when the light source group works for raising air in the air passage along the opposite direction of the gravity, and risen air ...

Straightening tool for aluminum alloy pipeline and operation method of straightening tool

The invention relates to the technical field of aluminum alloy pipeline straightening, and discloses a straightening tool for an aluminum alloy pipeline and an operation method.The straightening tool for the aluminum alloy pipeline comprises a tool box, and a plurality of sets of insertion channels are installed in the left end face of the tool box at equal intervals and used for containing aluminum alloy pipes; a first stamping cylinder and a second stamping cylinder are arranged on the upper and lower end faces of the middle of the tool box correspondingly. According to the operation method, the two sets of telescopic rods stretch out in the opposite directions, the semicircular straightening grooves in the straightening base are used for punching, the two sets of semicircular straightening grooves are instantly and symmetrically attached to the surface of an aluminum alloy pipe to be straightened, acting force is applied to the surface of the aluminum alloy pipe, and the aluminum alloy ...

MULTIFUNCTIONAL SUNKEN GREEN SPACE

The present disclosure pertains to the technical field of landscape greening and more particularly to a multifunctional sunken green space, including a planting soil pit with a cylindrical structure, and a circumferential side wall of the planting soil pit is 5 piled with a water permeable brick I; a planting soil layer, a coarse sand layer I and a fine sand layer I are successively laid in the planting soil pit from top to bottom, a non-woven geotextile is arranged between the planting soil layer and the coarse sand layer I and between the coarse sand layer I and the fine sand layer I. A middle part of the planting soil layer is recessed to form a circular reservoir, and the circular 10 reservoir is planted with aquatic plants; a middle part of the planting soil layer is provided with a rainwater recycling system; a rainwater utilization device is arranged in the rainwater recycling system for car washing, and water resource for car washing is returned to the planting soil layer from the ...

LED light source device

The invention relates to an LED light source device, comprising a baseplate, a first luminescence unit, a second luminescence unit and a third luminescence unit, wherein the first luminescence unit, the second luminescence unit and the third luminescence unit are arranged in parallel on the baseplate. The first luminescence unit comprises a first LED crystal particle and a first packaging body covering the first LED crystal particle, and red phosphors are contained in the first packaging body. The second luminescence unit comprises a second LED crystal particle and a second packaging body covering the second LED crystal particle. The third luminescence unit comprises a third LED crystal particle and a third packaging body covering the third LED crystal particle. The first LED crystal particle, the second LED crystal particle and the third LED crystal particle are homologous compound LED crystal particles; and after being mixed, light emitted by the first packaging body, the second packaging ...

Light source device

The invention relates to a light source device, which comprises an insulator, a heat conductor, a first plate electrode, a second plate electrode, a light-emitting diode chip and metal wires. The insulator is provided with an accommodation groove; the heat conductor is arranged in the insulator, is opposite to the accommodation groove, and is provided with a bearing part exposed at the bottom of the accommodation groove; the first plate electrode and the second plate electrode are embedded in the insulator respectively and extend into the accommodation groove, and are separated from the heat conductor; the light-emitting diode chip is directly arranged on the bearing part of the heat conductor; and the first plate electrode and the second plate electrode are electrically connected with thelight-emitting diode chip through the metal wires.

Chip adaptation method and device for vectorization compiling program, equipment and medium

The invention discloses a chip adaptation method and device for a vectorization compiling program, equipment and a medium. The method comprises the following steps: acquiring a scalar program to be loaded into an AI chip for operation, and generating a vectorization compiling program matched with the scalar program; identifying at least one VCC associated program segment in the vectorization compiling program; and obtaining a standardized vector data type corresponding to each VCC associated program segment, and adding a vector data type conversion instruction into each VCC associated program segment according to the standardized vector data type to obtain a vectorized compilation adaptive program adaptive to the AI chip. By adopting the technical scheme, the vectorized compilation adaptive program adaptive to the AI chip can be obtained, so that the problem that vector condition state codes calculated by comparing vector operands of different vector data types have different bottom hardware ...

Automatic operation control device of tunnel ventilator

The invention discloses an automatic operation control device of a tunnel ventilator, which aims to exhaust harmful gas and automatically supply enough fresh air to a working face at the same time. The automatic operation control device of the tunnel ventilator comprises a gas transmitter, an analog quantity collection module, a programmable logic controller (PLC), a frequency converter, an optical transceiver and a transmission optical cable, wherein the model of the analog quantity collection module is HW-S04AI024N; the model of the PLC is HW-E16ZS220R; the gas transmitter comprises a CO transmitter, a NO transmitter, a temperature transmitter and a powder transmitter; the power of the frequency converter is 20 to 30KW higher than that of a ventilator motor; the optical transceiver is a single-path dual-way data optical transceiver, and each pair of optical transceiver comprises an optical sender and an optical receiver; and the optical sender is connected with the analog quantity collection ...

Silicon carbide 3D printing forming equipment and preparation process

The invention provides silicon carbide 3D printing forming equipment and a preparation process. The silicon carbide 3D printing forming equipment comprises a base, a base is fixedly connected to the upper surface of the base, a machining table is fixedly connected to the upper surface of the base, side plates are symmetrically and fixedly connected to the two sides of the upper surface of the base, and a top plate is fixedly connected between the top ends of the two side plates; and a vacuumizing material storage device and a material conveying device which are connected with each other are fixedly mounted on the upper surface of the top plate. According to the silicon carbide 3D printing forming equipment and the preparation technology, air in a silicon carbide material in the silicon carbide storage box can be pumped out through the arranged vacuumizing material storage device, the situation that bubbles exist in a printed object due to the fact that air exists in the material can be ...

Method for manufacturing photoelectricity semiconductor element of semiconductor containing P-type three-tribe nitrogen compound

A manufacturing method of a photoelectric semiconductor element containing a P-type group III nitride semiconductor comprises allowing a reacting gas containing a P-type dopant to grow on a substrate to obtain a group III nitride semiconductor; reducing the temperature in a reaction chamber to 700-850 DEG C, introducing nitrogen gas or an inert gas to discharge ammonia and hydrogen out of the reaction chamber, and reducing the pressure in the reaction chamber to 20-80 KPa; keeping for a sufficient time until the residual ammonia and hydrogen are completely discharged, reducing the temperature in the reaction chamber to room temperature, and taking out the substrate.

Application of schistosome-derived peptide in prevention and treatment of metabolic diseases

The invention relates to the field of biomedicine, in particular to two peptides from schistosome, which have the functions of improving steatohepatitis of a host and resisting hepatic fibrosis. The two polypeptides are respectively pL-Sjhp-24 and pL-Sjmucin4-86, the amino acid sequence of the pL-Sjhp-24 is SEQ ID NO.1, the amino acid sequence of the pL-Sjmucin4-86 is SEQ ID NO.3, and the two polypeptides can be obtained through separation and purification after schistosoma japonicum eggs are crushed, or through expression of a genetic engineering method or a chemical synthesis method. An in-vitro experiment proves that the two peptides can effectively inhibit lipid droplet accumulation in cells of a mouse liver cell line FL83B and a human liver cell line LO2 induced by a high-fat culture medium; in-vivo experiments further prove that the peptide can promote the liver of a mouse with fatty liver induced by choline methionine deficiency diet to reduce lipid accumulation, and can improve ...

Zero release processing system that organic hazardous waste of high concentration difficult degradation was handled to biological method is united to supercritical water gasification

The utility model relates to a zero release processing system that organic hazardous waste of high concentration difficult degradation was handled to biological method is united to supercritical water gasification belongs to the environmental control tech -nology field. This system is including material storage device, preliminary treatment and the conveying unit, heater, supercritical water gasification reaction ware, regenerator, gas -liquid separation system, sedimentation tank, biological treatment unit, advanced waste treatment and the utilization unit that connect gradually. This system has not only realized the organic hazardous waste's of high concentration difficult degradation zero release and has handled, has shortened the reaction time of supercritical water gasification reaction equipment under high temperature high pressure condition in addition, has reduced corrosion of equipment, has lengthened supercritical water reaction unit's life -span, has reduced investment cost, ...

Plug removal device of oil delivery pipe of oil field and frequency control method

The invention provides a plug removal device of an oil delivery pipe of an oil field. The plug removal device comprises a first conversion device and a second conversion device, wherein the first conversion device is used for converting an alternating current into a direct current and has an isolation function, the second conversion device is used for converting the direct current output by the first conversion device into the alternating current, and the output end of the first conversion device is connected with the input end of the second conversion device. The first conversion device is adopted for converting the high-voltage low alternating current into the low-voltage high direct current, then the low-voltage high direct current is converted into the low-voltage high alternating current through the second conversion device which is an inverter, and the low-voltage high alternating current is applied to the oil delivery pipe, so that electrolytic corrosion caused by the direct current ...

Telescopic handlebar dust pan

The invention provides a telescopic handlebar dust pan. The inner side of a pan body of the dust pan is provided with a telescopic handlebar, and the upper end of the handlebar is connected with a bent handle. The telescopic handlebar is favorable for contracting the handlebar and aligning the handlebar with the pan body when the dust pan is collected, the handlebar does not occupy a space when placing, the dust pan can be used by pulling up the handlebar, and the dust pan has the characteristic of convenience for collecting and using.

Novel serology biomarker GSK3beta detection method for cognitive impairment of diabetic

The invention provides a novel serology biomarker GSK3beta detection method for cognitive impairment of a diabetic. The method comprises an enzyme activity assay method and a relative quantification dot-blot method. According to the enzyme activity assay method, a GSK-3beta enzyme activity assay kit of GENMED is applied; GSK-3beta phosphorylation is performed under the suppression of GSK-3alpha; along with oxidation reaction of reduced form of nicotinamide-adenine dinucleotid (NADH), a pyruvate kinase and lactic dehydrogenase continuous circulation method reaction system adopts the spectrophotometric method to measure the peak value change after oxidization so as to reflect GSK 3beta activity in a sample. The dot-blot method transfers blood platelet protein to an NC film according to the antigen and antibody fixation reaction principle and then utilizes antibody to perform detection. The novel serology biomarker GSK3beta detection method is used for studying GSK-3beta protein and enzyme ...

Light-emitting device and manufacturing method thereof

A light-emitting device comprises a secondary optical element and a light source module. The secondary optical element is provided with a light-receiving face and a light-emitting face opposite to the light-receiving face. The light source module is opposite to the light-receiving face of the secondary optical element. The light source module comprises at least one light-emitting unit which comprises a solid light-emitting chip and a packaging layer covering the solid light-emitting chip, and the packaging layer is provided with a light emerging face which is opposite to the light-receiving face of the secondary optical element to form a gap filled with a transparent body. Compared with the prior art, the light-emitting device has the advantages that due to the fact that the part between the light emerging face of the packaging layer and the light-receiving face of the secondary optical element is filled with the transparent body, the light emerging face of the packaging layer and the light-receiving ...

Real-time pre-stress monitoring type clip anchoring tool and anchoring tool tension method thereof

The invention provides a real-time pre-stress monitoring type clip anchoring tool and an anchoring tool tension method thereof, relates to a clip anchoring tool and an anchor tool tension method, and aims at solving the problems of the exiting anchoring tool that the loss of the pre-stress anchoring tool is difficult to monitor on real time and the tension control stress of pre-stressed ribs cannot be accurately ensured. The device is that a regular octagonal groove is processed in the outer surface of an inner anchoring ring in the radial direction; a conductor hole channel is corresponding to the axial position of the regular octagonal groove; a monitoring instrument is connected with eight resistance straining sheets through connectors; eight resistance straining sheets are arranged on four side surfaces at intervals in the regular octagonal groove; two resistance straining sheets are arranged on each side surface provided with the resistance straining sheet. The method comprises the ...

Display casing

Screening method for identifying fungal microorganisms of systemic lupus erythematosus as markers and application of screening method

The invention discloses a screening method for identifying a fungal microorganism of systemic lupus erythematosus as a marker and application of the screening method. An intestinal fungus combination is selected from one or more of fungi; the method comprises the following steps: carrying out ITS sequencing and taxonomic annotation of readings on fungal DNA (deoxyribonucleic acid) of 26 systemic lupus erythematosus, 23 lupus nephritis and 14 healthy physical examinees, totally generating 4630,000 effective tags and 4488 operation classification units, and identifying 13 phylum and 262 genus fungi; random forest analysis is adopted for modeling first five different fungi including candida albicans, Melulajuga, alternaria, rhizopus and Raymond paracasei, 70% of randomly selected samples are used as a training set, 30% of the randomly selected samples are used as a test set, and the diagnosis model has the characteristic that the area under an ROC curve of SLE identified in normal people reaches ...

Multiple wavelength light-source endoscope system for assistant diagnosis

The invention discloses an multiple-wave length light source endoscope system auxiliary for diagnosis, which comprises an LED light source, an image acquisition apparatus, a control unit and an image display apparatus. The LED light source is used for generating multiple irradiation lights, wavelength ranges of various irradiation lights are different with each other in order to illuminate substance to be observed. The control unit is connected with the LED light source, the image acquisition apparatus and the image display apparatus respectively for controlling the white balance of three picture elements of the endoscope system, and the image acquisition apparatus is coupled with the LED light source and the image display apparatus respectively, thereby increasing the brightness, resolutions or sensitivity of the endoscope system.

Embedded system based intrinsic safety type coal mining machine state monitoring and analyzing device

The invention relates to an embedded system based intrinsic safety type coal mining machine state monitoring and analyzing device. In the invention, a high-performance industrial grade ARM embedded processor and a system are used for forming a complete coal mining machine working condition signal monitoring, analyzing and processing system, and the device is designed on the basis of the general requirement GB3836.1-2000 of electrical equipment for explosive gas atmosphere and the intrinsic safety type requirement GB3836.4-2000 and mainly applied to monitoring and analyzing the working condition signals of an underground coal mining machine of a coal mine. The device comprises a microcontroller module (U_1), an RS232 serial communication module (U_2), a vibration signal and conventional analog quantity acquisition and analysis module (U_3), an Ethernet communication module (U_4), a power supply module (U_5), a data storage module (U_6) and a sensor module (U_7). The invention improves the ...

Combined luminous element of electronic barrier layer

The invention discloses a combined luminous element of an electronic barrier layer, which can be provided with an active luminous layer, an n-type gallium nitride layer, a p-type gallium nitride layer, and two III-V semiconductor layers with different energy gaps, wherein the semiconductor layers are periodically and repeatedly deposited on the active luminous layer as the electronic barrier layerwith higher potential barrier to obstruct excessive electronic active luminous layers. The combined luminous element can realize obstruction of electronic overflow through the electronic barrier layer to increase the composite probability of electrons and holes in the active luminous layer and discharge photons, and provides stress compensation through the combination of the III-V semiconductor layers with different crystal lattice sizes to reduce the accumulation of stress between the luminous element and the active luminous layer.

Solid state light source

The invention relates to a solid-state lighting device, which comprises a body, a first luminescence unit, a second luminescence unit and a third luminescence unit, wherein a first containing groove, a second containing groove and a third containing groove are arranged in the body; the first luminescence unit which includes a first solid luminescence chip on which a first packing layer is covered is arranged in the first containing groove; the second luminescence unit which includes a second solid luminescence chip on which a second packing layer is covered is arranged in the second containing groove; the third luminescence unit which comprises a third solid luminescence chip on which a third packing layer is covered is arranged in the third containing groove. The first, the second and the third solid luminescence chip have the same color tone. At least two of the first, the second and the third packing layers contain different fluorescent powder respectively. The light coming through the ...

Coating layer photocuring method

The invention discloses a coating layer photocuring method. The method comprises the following steps: a workpiece is provided; liquid-state photocuring glue coats on the surface of the workpiece to form a coating layer; and the coating layer is irradiated by a pulse light source to cure the photocuring glue. The method adopts pulse light to irradiate the photocuring glue, so that a photoinitiator generates a lot of free radicals in a shorter time under the condition of not changing total curing energy, the photocuring speed of the photocuring glue is quickly raised, and the curing is quick.

LED light emitting device manufacturing method

An LED light emitting device manufacturing method comprises the following steps: firstly, providing an LED light source with a light exit surface; secondly, using uncured transparent adhesive material to bond the light exit surface of the LED light source with a light entry surface of an optical element; and thirdly, curing the transparent adhesive material. The method can reduce total reflection of light during incidence from the LED light source into the optical element, so that the loss of light energy is minimized and the light utilization efficiency of an LED light emitting device is improved.

Light source device

The invention relates to a light source device with light emitting diode chips, which comprises an insulator, a heat conductor, a metal conductive layer, a plurality of light emitting diode chips, a metal wire and a transparent encapsulating body, wherein the insulator is provided with a first surface, a second surface and a plurality of first through holes; the heat conductor is closely jointed with the first surface of the insulator, and the heat conductor is provided with a part exposed on the first through holes of the insulator; the metal conductive layer is arranged on the second surfaceof the insulator, and is provided with second through holes which run through the first through holes; the light emitting diode chips are arranged on the part of the heat conductor exposed on the first through holes of the insulator so as to be connected with the heat conductor; the light emitting diode chips are electrically connected with the metal conductive layer through the metal wire respectively ...

Mobile node and take-over access point and transfer methods thereof

The invention provides a mobile node and a take-over access point and transfer methods thereof, which are suitable for a heterogeneous wireless network system. The heterogeneous wireless network system comprises a gateway, a first wireless network and a second wireless network which is different from the first wireless network, wherein the first wireless network comprises the take-over access point and the second wireless network comprises an original access point; and the take-over access point and the original access point are provided with an overlapping service area. The mobile node receives a network service provided by the gateway through the original access point at present; and when entering the overlapping service area, the mobile node establishes a connection with the take-over access point through a data link layer immediately, so that the network service can be prevented from being interrupted when the original access point is transferred to the take-over access point.

Application of schistosome-derived polypeptide in preparation of medicine for preventing and/or treating ischemia reperfusion

The invention further discloses application of the schistosome-derived polypeptide SjDX5-271 in preparation of a medicine for preventing and/or treating ischemia reperfusion and application of the schistosome-derived polypeptide SjDX5-271 in preparation of a medicine for regulating polarization of macrophages. The amino acid sequence of the schistosome-derived polypeptide SjDX5-271 is shown as SEQ ID NO. 1. After the schistosome-derived polypeptide SjDX5-271 stimulates mouse bone marrow-derived macrophages (BMDMs), polarization of M1 macrophages can be inhibited, and polarization of M2 macrophages can be promoted at the same time; in-vivo experiments further prove that the schistosome-derived polypeptide SjDX5-271 can promote and relieve liver injury caused by mouse liver ischemia reperfusion, and can relieve liver inflammation so as to play a role in protecting the liver. It is proved in vitro that the schistosome-derived polypeptide SjDX5-271 also has an anti-inflammatory effect on human ...

Bonding device and bonding method

The invention relates to a fitting device and a fitting method.The fitting device is used for fitting of a screen body and a curved surface structure and comprises a top plate, a bottom plate and a pressing plate, the liner is arranged on one side of the top plate, and the orthographic projection of the top plate in the first direction is at least partially overlapped with the liner; the auxiliary attaching units are arranged on the two opposite sides of the liner area in the second direction, the first direction and the second direction intersect, and each auxiliary attaching unit comprises a supporting part and an attaching part rotationally connected to the end, close to one side of the top plate, of the supporting part; the surface of the side, close to the top plate, of the attaching part protrudes in the direction of the top plate. According to the laminating device provided by the embodiment of the invention, the process can be simplified, and the laminating quality is improved.

Four-point hand-eye calibration method

The invention provides a four-point hand-eye calibration method, which comprises the following steps of S1, acquiring calibration object images at different positions and coordinate points at the tail end of a mechanical arm; s2, the proportional relation between the displacement amount of the tail end of the mechanical arm and the displacement amount of the calibration object in the image is obtained through calculation; s3, the tail end of the mechanical arm is rotated and then moved so that the relative relation between the tail end of the mechanical arm and the calibration object can not be changed; s4, coordinate points of the calibration object are obtained through calculation, and relation points are obtained according to the relation between the coordinate points of the initial position and the coordinate points of the calibration object; s5, acquiring a setting coordinate point and a setting angle of the setting image recognition calibration object, reversely rotating the setting ...

Method for jointing semiconductor element with thermotube

The invention relates to a method for jointing a semiconductor element with a thermotube, which comprises the following steps of: providing a thermotube shell which has at least one open end; forming a capillary structure layer on the inner wall of the thermotube shell; jointing one semiconductor element with the thermotube shell which has the capillary structure layer fixedly by metals; injectingworking fluid into the thermotube shell jointed with the semiconductor element and exhausting the air in the thermotube shell; and sealing the at least one open end of the thermotube shell. The jointmethod avoids bending deformation or explosion and the like of the thermotube when being jointed with the semiconductor element, thereby being capable of effectively protecting the thermotube.

Planker overturning device

The invention relates to a planker overturning device which comprises the following five parts: a bracket part, a rain cover frame, a hydraulic system, an overturning part and a maintenance part. The lifting and landing operation of a planker can be realized by the vertical displacement change of a hydraulic cylinder of the hydraulic system; the overturning part consists of an overturning beam, a speed reducer, a chain wheel and a chain wheel system, the planker is positioned by hookers and chains; 0-180 degree overturning of the planker can be realized by the overturning of the overturning beam; the maintenance part is formed and implemented by a rotating beam, a displacement part of the rotating beam and a hand-drive block; and the rain-proof part is undertaken by a rain cover. The planker overturning device can realize safe, fast and stable overturning of the planker, and can be operated simply and easily so that the planker overturning device can be controlled by only one person in ...

Method for preparing high-purity arsenic trioxide by arsenic-antimony smoke reduction-alloying method

The invention relates to a method for preparing high-purity arsenic trioxide by an arsenic-antimony smoke dust reduction-alloying method, which comprises the following specific steps of: firstly, respectively grinding high-arsenic antimony-containing smoke dust, a reducing agent and a metal oxide, uniformly mixing, and further transferring into a roasting furnace for reduction roasting, in the process, the antimony phase and the metal oxide are subjected to a reduction-alloying reaction to form an antimony alloy product which is left in a roasting substrate, and the arsenic trioxide phase enters a gas phase through volatilization and is recovered through dust collection. According to the method disclosed by the invention, the characteristics of different reducibility and volatility of arsenic and antimony oxides and strong binding capacity of metal antimony and low-melting-point metal tin, bismuth and cadmium are fully utilized, so that efficient removal of antimony in the high-arsenic-antimony ...

2-propylene-1 ketone compound as well as preparation method and application thereof

The invention discloses a 2-propylene-1-ketone compound as well as a preparation method and application thereof, and belongs to the technical field of medicines. The invention designs and synthesizes a series of 2-propylene-1-ketone compounds, and pharmaceutically acceptable salts, hydrates, solvates or prodrugs thereof based on an inducible nitric oxide synthase (iNOS) mediated nitric oxide (NO) generation model by taking methyl substituted resorcinol as a starting material. The invention aims to provide a preparation method of the compounds and application of the compounds in preparation of inflammation therapeutic agents, especially in preparation of nitric oxide (NO) generation inhibitors, and the compounds have potential application in the aspect of being used as anti-inflammatory drugs.

Back light module unit

A back light module comprises a light guide plate, an LED light source group and a ventilation pipe. The light guide plate is provided with a light emitting face and an incident light face arranged on the lateral side of the light emitting face, the LED light source group is arranged on the incident light face of the light guide plate, a light emitting face of the LED light source group is opposite to the incident light face, the ventilation pipe is provided with an air passage, two ends of the ventilation pipe are respectively equipped with an air inlet and an air outlet communicated with the air passage, the air outlet is higher than the air inlet in the gravity direction, the LED light source group is arranged on the ventilation pipe and is in thermal connection with the ventilation pipe, the ventilation pipe adsorbs thermal energy generated when the light source group works for raising air in the air passage along the opposite direction of the gravity, and risen air flows out from the ...

Intelligent police service commanding and dispatching system

The invention discloses an intelligent police service commanding and dispatching system which comprises a 5G + three-dimensional patrol command chart, a service supervision and management module, a notification management module, an emergency commanding and dispatching module, an intelligent interrogation and early warning module, a holographic search module, a trajectory analysis module, a system authority management module and a patrol unmanned aerial vehicle. Police patrol commanding and dispatching capabilities are integrated through a map, so that alarm information of a point location, information of policemen at the location and position information of surrounding policemen can be intuitively known on the map, commanding work can be quickly and accurately carried by the surrounding policemen at the location of the alarm, and dangerous alarms can be quickly responded and handled; the problems that the patrol route of a patrol team is difficult to monitor, the law enforcement is not ...

Thermoelectric cooler and illuminating apparatus adopting same

The invention relates to a thermoelectric cooler which comprises a plurality of P-type semiconductor columns, a plurality of N-type semiconductor columns, a plurality of connecting circuits, one cool end and one hot end. The P-type semiconductor columns and the N-type semiconductor columns are electrically connected by the connecting circuits. The P-type semiconductor columns, the N-type semiconductor columns and the connecting circuits are clamped between the cool end and the hot end and respectively and thermally connected with the cool end and the hot end. The cool end comprises a first metal plate and a first metal oxide insulation film which is formed on the first metal plate and positioned at one side of the first metal plate, which is adjacent to the P-type semiconductor columns, the N-type semiconductor columns and the connecting circuits. Furthermore, the invention also relates to an illuminating apparatus adopting the thermoelectric cooler for heat conduction.

Rear-end processing equipment for gear machining

The invention relates to the technical field of gear machining, in particular to gear machining rear end processing equipment which comprises a base and a conveying belt and further comprises a controller, a grabbing mechanism, an oil spraying mechanism and two variable-pitch mechanisms, four vertical plates are symmetrically arranged at the top of the base, and each variable-pitch mechanism comprises a bearing plate, an adjusting plate, a driving assembly and a plurality of sliding assemblies. The grabbing mechanism comprises a plurality of micro electric push rods and a plurality of tight supporting assemblies, and the oil spraying mechanism comprises a hinge rod, an oil storage tank, a first transmission assembly, a second transmission assembly, an adjusting assembly, a pushing assembly and a plurality of conveying hoses. Manual one-by-one carrying is not needed, the problem of scratching of workers in the carrying process can be prevented, potential safety hazards are reduced, meanwhile ...

Penile erection hardness testing device fixer

The utility model discloses penile erection hardness testing device fixer, including the detection ring and the 2nd detection ring that connect with penile erection hardness detector respectively, a detection ring can overlap in penis stem root department, and the 2nd detection ring can overlap in coronary sulcus department, wherein: the fixer still includes close -fitting pants, the front end ofclose -fitting pants is provided with the pants hole that supplies the penis to wear out, a detection ring is fixed with close -fitting pants towards a side of close -fitting pants, set up the elasticity pipe between a detection ring and the 2nd detection ring, the penis passes the elasticity pipe, the one end of elasticity pipe is connected with a detection ring, the other end is connected with the 2nd detection ring, the elasticity bore of pipe is greater than a detection ring and the 2nd detection ring's internal diameter, the outside of elasticity pipe is fixed with the about band of a line ...

Solid solution-modified sodium bismuth titanate leadless piezoelectric ceramics and preparation method thereof

The invention provides solid solution-modified sodium bismuth titanate leadless piezoelectric ceramics and a preparation method thereof. The piezoelectric ceramics are represented by chemical composition general formula of (1-x)(0.74Na0.5Bi0.5TiO3-0.26SrTiO3)-xBa(Zr0.05Ti0.95)O3 or (1-y)(0.9Na0.5Bi0.5TiO3-0.1CaTiO3)-yBa(Zr0.05Ti0.95)O3, wherein 0.04<=x<=0.1 and 0.04<=y<=0.1. Solid solution of Ba(Zr0.05Ti0.95)O3 is realized at the morphotropic phase boundary of a 0.74Na0.5Bi0.5TiO3-0.26SrTiO3 and 0.9Na0.5Bi0.5TiO3-0.1CaTiO3 system, and high-density microcrystalline structure ceramics with uniform crystal grain size distribution are obtained by a two-step forming method and a self-bearing pressure sintering process. The piezoelectric property of the material is optimized by the morphotropic phase boundary composition characteristics and the solid solution modification method, and the piezoelectric constant d33 reaches 110-138 PC/N; the electromechanical coupling coefficient of the material ...

The installation reliability of vertical inductor can be improved

The utility model discloses a vertical inductor capable of improving installation reliability. The inductor comprises a magnetic core and an enameled wire wound on the magnetic core, a bottom plate isarranged below the magnetic core; a top plate is arranged above the magnetic core; a first slot for inserting the lower end part of the magnetic core is formed in the middle of the upper end surfaceof the bottom plate; a second slot for inserting the upper end part of the magnetic core is formed in the middle of the lower end surface of the top plate; four clamping hooks which are uniformly distributed in the circumferential direction and extend from top to bottom are arranged on the outer circumferential wall of the top plate; four clamping grooves which are evenly distributed in the circumferential direction are formed in the outer circumferential wall of the bottom plate, each clamping hook is connected with one clamping groove in a matched and clamped mode, the magnetic core is pressed ...

Flue gas drying apparatus

The utility model relates to a drying device's technical field especially relates to a flue gas drying apparatus, and it can evenly be dried to the flue gas, reinforcing stoving effect, carry the reuse rate of high pressure heater hydrothermal solution, energy saving, reduce cost simultaneously, including the stoving case, press from both sides cover, intake pipe, outlet duct, input tube, output tube and support, press from both sides the cover suit on stoving case lateral wall, the cover bottom is being pressed from both sides in the support setting, the input tube with press from both sidescover bottom left side be connected and stretch into overlap to the clamp in, still including on the multiunit baffle under baffle and the multiunit, going up the baffle setting on stoving incasementroof, baffle and baffle down and are gone up for the intercrossing setting in drying on the diapire to lower baffle setting, still include base, heater, a suction pump and the 2nd suction pump, the heater ...

Ship lockage traction device, buffering device and lockage stabilizing method

The invention discloses a ship lockage traction device, a buffering device and a lockage stabilizing method. The ship lockage traction device comprises a device body arranged in a dam body, reinforcing columns are arranged at the two ends of the device body, a traction driving chamber is arranged in the reinforcing column on the upper side, a winding wheel is arranged in the traction driving chamber, and a traction cable is led out of the winding wheel; a buffering sliding groove is formed in the device body, a buffering base block is arranged in the buffering sliding groove in a sliding mode, through holes are formed in the left side and the right side in the buffering base block in a penetrating mode, the two sections of a conveying belt of the second belt conveying mechanism correspondingly penetrate through the two through holes and are held tightly or loosened through limiting assemblies in the through holes, and the second belt conveying mechanism is driven through a transmission ...

Method for enriching and recovering gallium and arsenic in gallium arsenide leaching solution through neutralization precipitation

The invention discloses a method for enriching and recovering gallium and arsenic in gallium arsenide leachate through neutralization precipitation, which comprises the following steps: (1) adding acid into the gallium arsenide alkaline leachate to adjust the pH value, neutralizing and precipitating arsenic and gallium in the leachate, and filtering and separating after complete precipitation to obtain neutralized slag and neutralized liquid; (2) adding alkali into the neutralized slag, heating and dissolving to obtain gallium-arsenic enriched liquid; (3) cooling the gallium-arsenic enriched liquid, standing at low temperature, cooling and crystallizing, and then carrying out suction filtration and separation to obtain arsenic-containing crystals and gallium-enriched mother liquor; and (4) recycling gallium ions in the gallium-rich mother liquor through rotational flow electrodeposition to obtain metal gallium. According to the method, gallium and arsenic are enriched through a neutralization ...

Preparation method of porphyrin ring-containing branched polybenzimidazole and preparation method of porphyrin ring-containing branched polybenzimidazole proton exchange membrane

The invention discloses a preparation method of branched polybenzimidazole containing a porphyrin ring and a preparation method of a proton exchange membrane containing the branched polybenzimidazole containing the porphyrin ring. The porphyrin ring-containing branched polybenzimidazole is prepared by the following method: in polyphosphoric acid containing phosphorus pentoxide, at least one of aromatic tetramine monomers as shown in a formula I, at least one of dicarboxylic acid monomers as shown in a formula II and meso-tetra (4-carboxyl phenyl) porphin as shown in a formula III are subjected to condensation polymerization to obtain the porphyrin ring-containing branched polybenzimidazole. The invention provides a method for preparing a homogeneous proton exchange membrane by using the porphyrin ring-containing branched polybenzimidazole. The proton exchange membrane prepared by the invention has good solubility, anti-oxidation stability, mechanical properties, dimensional stability and ...

Bridge steel cable rust removal device

The invention relates to the technical field of grinding machining, in particular to a bridge steel cable derusting device which is used for derusting a steel cable and comprises a traction mechanism and a derusting mechanism, and the traction mechanism is used for driving the traction mechanism, the derusting mechanism and the steel cable to move relatively. The rust removal mechanism comprises a shell and a rust removal assembly. The rust removal assembly comprises a plurality of guide rings and a plurality of rust removal rings, the multiple guide rings and the multiple rust removal ring sets are arranged, and the guide rings and the rust removal rings are connected through elastic strips, so that the rust removal rings synchronously rotate around the steel cable along with the guide rings, and when the steel cable is partially bent, the different guide rings and the different rust removal rings are allowed to be staggered to adapt to the bent steel cable; and the acting force of the ...

Light emitting diode luminescence apparatus

Disclosed is a light emitting diode luminescence apparatus. The light emitting diode luminescence apparatus comprises a light guide element provided with a light incident plane and a light emitting diode lamp strip arranged at one side of the light incident plane of the light guide element. The light emitting diode lamp strip comprises a circuit board, multiple light emitting diode crystal grains arranged on the circuit board, and multiple encapsulated layers arranged on the circuit board. The multiple encapsulated layers are in one-to-one correspondence with the multiple light emitting diode crystal grains; each encapsulated layer covers a light emitting diode crystal grain corresponding to the encapsulated layer; each encapsulated layer comprises a light emission plane away from the circuit board; the light emission plane of each encapsulated layer is arranged to be right opposite to the light incident plane of the light guide element; and there is no air gap between the light emission ...

Method for separating and recovering gallium and arsenic in gallium arsenide waste

The invention discloses a method for separating and recovering gallium and arsenic in gallium arsenide waste, which comprises the following steps: (1) adding alkali and an oxidant into the gallium arsenide waste to selectively leach the gallium arsenide waste to neutralize arsenic and gallium, separating to obtain leached slag and leachate after leaching is completed, and circularly leaching the leachate for multiple times to obtain circularly leached mother liquor; (2) heating the circulating leaching mother liquor, then standing at low temperature, cooling and crystallizing, and separating and crystallizing after complete precipitation to obtain sodium arsenate crystals and primary gallium-rich mother liquor; (3) adding an arsenic precipitation agent into the primary gallium-rich mother liquor for secondary arsenic precipitation, and separating to obtain arsenic precipitation slag and secondary gallium-rich mother liquor; and (4) recycling gallium ions in the secondary gallium-rich mother ...

Application of ripasudil in preparation of medicine for treating bacterial infection

The invention discloses application of ripasudil in preparation of a medicine for treating bacterial infection. It is found for the first time that the ripasudil can significantly reduce the expression level of inflammatory factors (TNF-alpha and IL-1beta) in serum and abdominal lavage fluid of mice infected with bacteria and effectively improve the survival rate of the mice infected with bacteria (including escherichia coli, acinetobacter baumannii, streptococcus pneumoniae and the like), which prompts that the ripasudil has a good function of inhibiting inflammatory pathways, can be used for treating bacterial infection and provides a new way for treatment of bacterial infection.

Sorting and enriching method for gallium arsenide grinding waste

The invention discloses a sorting and enriching method for gallium arsenide grinding waste. The method comprises the following steps: (1) drying; (2) autogenous grinding; (3) grading and screening; and (4) gravity separation. According to the method, gallium arsenide in the low-grade gallium arsenide grinding waste is separated from impurity components Al2O3, ZrSiO4 and the like by utilizing the characteristic and density difference of impurity grinding agents in the gallium arsenide grinding waste and adopting a method of combining autogenous grinding, classified screening and gravity separation, gallium arsenide is enriched by more than 5 times, the gallium content of the obtained secondary gallium concentrate is greater than 10%, and the purity of the obtained secondary gallium concentrate is greater than 10%. The gallium recovery rate in the whole process is larger than 95%, so that valuable metal in the gallium arsenide grinding waste is efficiently recycled through the simple technological ...

Method for separating semiconductor and base plate thereof

The invention provides a method for separating a semiconductor and a base plate thereof, which mainly aim to form a plurality of columns on a base plate and grow semiconductor layers on the columns in an epitaxial way so as to separate the semiconductor layers and the base plate thereof by filling etching solution in clearances among the columns. Because the clearances among the columns can greatly increase etching reaction area, the method can strength the etching efficiency for separating the semiconductor layers and the base plate and can reduce technology cost, and the used base plate material is not limited by the method.

Apple postharvest field classification detection method and system based on embedded technology

The invention relates to the implementation process of an apple postharvest field classification detection method and system based on the embedded technology. The detection system mainly comprises an ARM processor, a stepping motor module, an image acquisition module, and a classification executing module. The stepping motor module is used to transfer apples in a rolling manner. A CMOS can be used to acquire the image of the whole pericarp of an apple and transfer the image to the ARM through a USB, and matching can be performed the image and an established classifier to realize the apple defect and size detection, and a control signal is sent to the classification executing mechanism. The classifier is an improved AdaBoost algorithm based on Haar-like features, risk factors are introduced, so the algorithm has advantages of better robustness and adaptivity. The improved genetic algorithm is adopted to perform optimization on the weighted values of samples, and improved crossover operators ...

Light-emitting diode and manufacturing method thereof

The invention provides a light-emitting diode and a process thereof. The light-emitting diode comprises a metal reflecting layer so as to improve the reflection efficiency of light in the light-emitting diode and simultaneously reduce resistance and power loss. Besides, a buffer layer is arranged between the metal reflecting layer and a semiconductor, and has a mixed structure of metal and a nonmetal transparent medium so as to reduce the stress between the semiconductor and the metal and decrease the possibility of grain collapse.

Equipment for vacuum distillation and purification of selenium and purification method thereof

The invention discloses equipment for vacuum distillation and purification of selenium and a purification method thereof.The equipment comprises an equipment body, a cabinet door and a control device are arranged on one side of the equipment body, and a distillation inner container, an analysis device, a temperature detector for detecting the temperature of the distillation inner container and a heating device for heating the distillation inner container are arranged in the equipment body; the analysis device, the temperature detector and the heating device are all connected with the control device, a condensing furnace cover with a flow guide slope is arranged at the top of the distillation liner, and a collecting bin connected with the flow guide slope is arranged at the bottom of the condensing furnace cover. According to the equipment disclosed by the invention, in an impurity evaporation stage, impurities with saturated vapor pressure far higher than selenium are preferentially volatilized ...

Radiation device for photodynamic therapy

The invention relates to an effective radiation device for photodynamic therapy. The radiation device collects the optimum absorptive wavelength of sclererythrin (also called porphyrin) family photosensitizer at the position close to 405 nm, and utilizes the optical characteristic of tissue, especially deep tissue, and the characteristic of optical interface changing and the like to overcome the difficulty that the emission wavelength within the range is uneasy to deeply penetrate the tissue.

Method for manufacturing light-emitting component of three-group nitrogen compound and structure thereof

A method for manufacturing a light-emitting component of a three-group nitrogen compound comprises the following steps: growing a first three-group nitrogen compound semiconductor layer on the surface of an original substrate; forming an epitaxial block layer on the first three-group nitrogen compound semiconductor layer; growing a second three-group nitrogen compound semiconductor layer on the epitaxial block layer and an uncovered first three-group nitrogen compound semiconductor layer; removing the epitaxial block layer; growing a third three-group nitrogen compound semiconductor layer on the second three-group nitrogen compound semiconductor layer; depositing a conductive material layer on the third three-group nitrogen compound semiconductor layer; and separating the third three-group nitrogen compound semiconductor layer and a structure thereon from the second three-group nitrogen compound semiconductor layer.

High-purity gallium oxalate preparation device

The invention discloses a device for preparing high-purity gallium oxalate. The device comprises a first reaction kettle, a refined filtration device, a second reaction kettle, a first vacuum filter, a first washing device, a first vacuum drying device, a third reaction kettle, a second vacuum filter, a crystallization device, a microfiltration filter, a concentration kettle, a high-speed centrifugal filter and a second vacuum drying device, the second reaction kettle comprises a kettle body, an acid inlet pipe and a jelly sinking device; the second reaction kettle is provided with an acid inlet pipe for slowly dropwise adding acetic acid to generate gallium hydroxide jelly, the jelly reaches a certain saturation degree to influence the efficiency of a neutralization reaction, the jelly sinks in time to accelerate the reaction rate, an umbrella stand of the jelly sinking device can be folded and unfolded, and the opening state is lowered to enable the jelly to sink. The lifting device is ...

Method, device and system for constructing AI evaluation model of vascular cognitive impairment

The invention discloses a construction method, device and system for an AI evaluation model of vascular cognitive impairment. Firstly, data acquisition is carried out, and a data set is constructed; then carrying out pretreatment; dividing a training set and a verification set; performing feature screening on the preprocessed clinical symptom text data of the patient with the cerebrovascular disease; then, a VCI evaluation model is constructed, the model comprises an auxiliary diagnosis model and a prediction model, sMRI features and rs-fMRI features in the multi-modal brain MRI data are extracted respectively, then a multi-modal graph learning network is adopted to fuse the sMRI features, the rs-fMRI features and clinical symptom text features, and a classification result is obtained according to the fused features; and training and verifying the model to obtain an optimal VCI evaluation model. The technical problems of subjective clinical diagnosis and prediction of the VCI, difficulty ...

Three-in-one water quality risk early warning system of water supply enterprise

The invention relates to a three-in-one water quality risk early warning system of a water supply enterprise, which comprises an automatic monitoring system, a fish biological monitoring early warning system and a manual sampling assay monitoring system, wherein monitoring information of the three systems is collected into the same monitoring platform; video monitoring is performed on the fish biological monitoring early warning system; a video signal is transmitted to the monitoring platform; manual sampling assay monitoring data is timely transferred to the monitoring platform within the specified time via a computer; and omnibearing and stereoscopic monitoring and comprehensive early warning are performed on a water quality condition via comprehensive analysis of the monitoring information of the three systems. The water quality risk early warning system has the advantages that the defects that the traditional single system is low in early warning reliability and low in response speed ...

Remote sensing image registration method

The invention relates to the technical field of image processing, in particular to a remote sensing image registration algorithm. The registration algorithm comprises the following steps of: (1) reading primary remote sensing image data from a storage medium; (2) pre-processing each primary image; (3) performing binarization processing to realize image segmentation; (4) corroding and expanding the binary image; (5) extracting a monotropic edge from the eroded and expanded binary image by the Roberts cross gradient operator; (6) calculating the matching degree of the edge image and finding the optimal matching point; (7) conversing images; and (8) outputting registration information and registration images. The remote sensing image registration algorithm can be applied to multispectral data fusion and remote sensing image mosaicking.

Group III nitride compound semiconductor LED and production method thereof

The invention provides a three-group nitrogen-compound semiconductor LED, which comprises a substrate, a buffer layer, an N-type semiconductor material layer, conformation active layers and a P-type semiconductor material layer, wherein the N-type semiconductor material layer has a first surface and a second surface; the first surface is in direct contact with the buffer layer; the second surface has a plurality of concave parts; the conformation active layers are formed on the second surface and in the concave parts; and the stress between the conformation active layers and the N-type semiconductor material layer can be released through the concave parts.

Method for separating semiconductor and base plate thereof

The invention provides a method for separating a semiconductor and a base plate thereof, which mainly aim to form a plurality of columns on a base plate and grow semiconductor layers on the columns inan epitaxial way so as to separate the semiconductor layers and the base plate thereof by filling etching solution in clearances among the columns. Because the clearances among the columns can greatly increase etching reaction area, the method can strength the etching efficiency for separating the semiconductor layers and the base plate and can reduce technology cost, and the used base plate material is not limited by the method.

Lifting device for assisting pipeline installation

The invention provides a lifting device for assisting pipeline installation, and relates to the field of building pipeline installation, the lifting device comprises a base, the base is provided with a lower connector, the lower connector is provided with a lifting support rod, the bottom of the lifting support rod is provided with an upper connector matched with the lower connector, and the lifting support rod is provided with a lower connector matched with the upper connector. A connecting bolt is mounted between the upper connecting port and the lower connecting port; a clamping opening component is installed at the upper end of the lifting supporting rod and suitable for clamping a conveying pipeline, an upper installation opening is formed in the top of the lifting supporting rod, a transmission rope is installed in the upper installation opening, one end of the transmission rope is detachably connected with the upper installation opening, and a driving component is installed at the ...

Light-power medical instrument

A medical instrument of photodynamic medicine comprises an irradiation apparatus, an image acquisition apparatus, a light filtering material and a control unit. The irradiation apparatus generates excitation light to excite light sense substance. The light sense substance can generate light radiation after being excited. The image acquisition apparatus is used for acquiring the image formed by exciting the light sense substance. The energy gap value of the light filtering material is between 2. 8 eV and 3. 2 eV. The light filtering material is allocated on a light path of the image acquisition apparatus to reduce interference of the image caused by the exciting light. The control unit is used for controlling the irradiation apparatus and the image acquisition apparatus. So the image quality acquired by the image acquisition apparatus can be improved.

III-nitrogen compound semiconductor luminous element and preparation method thereof

The invention relates to a III-nitrogen compound semiconductor luminous element and a preparation method thereof. The method comprises the following steps of: growing a first III-nitrogen compound semiconductor layer on the surface of a temporary substrate; patterning the first III-nitrogen compound semiconductor layer through the photoetching technology; forming a second III-nitrogen compound semiconductor layer on the patterned first III-nitrogen compound semiconductor layer; forming a conducting material layer on the second III-nitrogen compound semiconductor layer; and obtaining the conducting material layer and a combined body of the conducting material layer by separating the conducting material layer from the first III-nitrogen compound semiconductor layer. The invention provides a substrate separation technology ensuring the quality stability and quantified production.

Semi -automatic intelligent aircraft based on singlechip

The utility model relates to a semi -automatic intelligent aircraft based on singlechip, include remote -control lever, fuselage body and install rotor, driving motor and the control circuit on the fuselage body respectively, control circuit be connected with driving motor, driving motor be connected with the rotor, control circuit include radio communication circuit, singlechip and the positioning circuit, wireless routing module, motor -drive circuit and the AD converting circuit that are connected with the singlechip respectively, motor -drive circuit be connected with driving motor, AD converting circuit be connected with radio communication circuit, radio communication circuit be connected with the remote -control lever. Compared with the prior art, the utility model has the advantages of convenience nimble more, good, the realization remote control of security.

Unmanned aerial vehicle aerial photography insulator target detection method based on improved Yov algorithm

The invention discloses an unmanned aerial vehicle aerial photography insulator target detection method based on an improved Yov algorithm. The method comprises the following steps: (1) carrying out unmanned aerial vehicle aerial photography on an insulator scene needing to be applied, and carrying out frame extraction on an aerial photography video to obtain image data; (2) marking the image data, and dividing the collected and marked data into a training set and a verification set according to a proportion; (3) performing hybrid enhancement on the data of the training set through a Mosaic + Mixup method; (4) a Ghostnetv2 network is used to replace the Yolov7 version backbone feature extraction network; (5) training the network by using the self-made data set; (6) exporting the trained model file in the form of an ONNX file, and deploying by using TensorRT to generate an Engine model; and (7) deploying by using an Engine model and carrying out unmanned aerial vehicle detection. According ...

Group III nitride compound semiconductor LED and method for manufacturing the same

The invention discloses a trivalent nitrogen compound semiconductor light emitting diode and a method for manufacturing the same comprising a substrate, a first trivalent nitrogen compound layer and a second trivalent nitrogen compound layer. The substrate contains a first surface and a plurality of convex sections protrudably extending the first surface and the first surface surrounds each of the convex sections. The first trivalent compound coats the top surfaces of the convex sections and connects each other from the plurality of top surfaces to a side direction. The second trivalent nitrogen compound coats the first surface with a thickness less than the height of the convex section. The material of the second trivalent nitrogen compound is the same as that of the first trivalent nitrogen compound, and the the second trivalent nitrogen compound and the first trivalent nitrogen compound are not contact with each other. The light emitting diode of the invention has better light-emitting ...

Air purifier

The invention relates to an air purifier with better air purifying effect, which comprises at least one light source used for emitting light to trigger photocatalyst action; a photocatalyst filter screen comprising a photocatalyst layer which is excited by the radiation of at least one light source so as to decompose pollutants adhered on the photocatalyst layer; and an ozone generator used for generating ozone flowing through the photocatalyst layer so as to decompose the pollutants accumulated on the photocatalyst layer. The air purifier leads the light emitted by the at least one light source to smoothly reach the photocatalyst layer and excite the photocatalyst layer to purify the air by arranging the ozone generator which generates the ozone flowing through the photocatalyst layer, wherein the ozone can eliminate the phenomenon of photocatalyst poisoning inactivation of the photocatalyst layer due to the accumulation of the pollutants, thus causing the air purifier containing the photocatalyst ...

Method for cascade recovery of rare and precious metals in steamed selenium slag based on acid roasting

The invention discloses a method for cascade recovery of rare and precious metals in steamed selenium slag based on acid roasting. The method comprises the following steps: mixing the steamed selenium slag with concentrated sulfuric acid to obtain a pulpified material; roasting the pulpified material to obtain selenium separation slag and selenium-containing roasting flue gas; introducing the selenium-containing roasting flue gas into water for three-stage absorption, and filtering the absorbed liquid to obtain crude selenium; the selenium separation slag reacts with sulfuric acid, and copper-silver-containing leaching liquid and copper separation slag are obtained; reacting the copper-silver-containing leachate with sodium chloride, and filtering to obtain silver chloride precipitate and copper-containing supernate; the copper separation slag reacts with an alkaline solution, and tellurium-lead-containing leaching liquid and tellurium separation slag are obtained; the tellurium separation ...

Double-wall impact cooling device and application

The invention discloses a double-wall impingement cooling device and application, and belongs to the field of aero-engines. Comprising a cold side flat plate, a hot side flat plate and hollow turbulent flow columns, the cold side flat plate is located on one side of a cold air channel, and a plurality of impact holes are formed in the cold side flat plate; the hot side flat plate is located on one side of the high-temperature fuel gas channel. A plurality of hollow turbulent flow columns are arranged between the cold side flat plate and the hot side flat plate, a middle channel containing the hollow turbulent flow columns is formed, and the cold air channel is communicated with the high-temperature fuel gas channel through hollow holes in the hollow turbulent flow columns. According to the invention, the advantages of suction enhanced impact convection cooling and easy outflow of hollow holes to form an air film layer are fully utilized, the temperature distribution and temperature gradient ...

Method, system and terminal for monitoring multi-stage clock time service precision of rail transit

The invention provides a method, a system and a terminal for monitoring the time service precision of a multi-stage clock of rail transit, and the monitoring terminal initiates a time service request message to an upper-stage clock server and a lower-stage clock server, and records a timestamp transmitted by a request data packet. And the upper-level clock server and the lower-level clock server receive the time service request message and record the reply timestamp of the request data packet. And the upper-level clock server and the lower-level clock server return data packets to the monitoring host respectively and record timestamps responding to transmission of the data packets. And the monitoring host respectively receives the data packets returned by the upper-level clock server and the lower-level clock server, and records time stamps responding to replies of the data packets. And determining an output time difference between the superior clock server and the subordinate clock server ...

Slab clamp on-load state detection equipment and use method thereof

The invention provides slab clamp on-load state detection equipment and a use method thereof. The slab clamp on-load state detection equipment comprises a shell, a mechanical part and an electrical part, the mechanical part comprises an armature displacement transmission mechanism, a transformation ratio transmission mechanism, a separation transmission strip with a preset length and a temperature-resistant sensor; the armature displacement transmission mechanism is in transmission connection with the clamping armature; the variable-ratio transmission mechanism is in transmission connection with the armature displacement transmission mechanism and the separation transmission strip with the preset length. The variable-ratio transmission mechanism is used for enlarging the transmission stroke of the armature displacement transmission mechanism and converting the transmission stroke to the separation transmission bar; the temperature-resistant sensor is in trigger connection with a disengagement ...

Anti-copying system embedded with configurable IP core and anti-copying method

The invention discloses an anti-copying system embedded with a configurable IP core and an anti-copying method. The system comprises a protected embedded chip and an anti-copying circuit connected with the protected embedded chip. The configurable IP core is added to the anti-copying circuit, and partial programs in the embedded chip are stored in the anti-copying circuit, so that the anti-copying circuit is capable of assisting the embedded chip in completing partial operation work, the anti-copying circuit and the embedded chip are cooperated for forming the anti-copying system, and the problem that the protective capability of the embedded chip is poor, so that complete codes in the embedded chip are easily cracked by lawbreakers is solved. True random numbers are generated through an AD module reading method, and completely random timer interruption is adopted, so that the embedded chip can perform multiples times of encryption verification with the anti-copying circuit randomly in ...

Useless flue gas combination denitrification?facility of system that burns of danger

The utility model relates to an useless flue gas combination denitrification?facility of system that burns of danger, the device include second combustion chamber, second combustion chamber is from spouting ammonia district, refueling district and fire the cinder district supreme divideing into in proper order down, it sets up individual layer aqueous ammonia spray gun and aqueous ammonia pipeline to spout the ammonia district, refueling district is provided with 2 group's fuel spray guns, adopt respectively organic liquid useless with the light diesel oil as refueling fuel, the spray gun is tangential symmetrical arrangement on the same height of second combustion chamber, light firewood oil spraying rifle passes through the pipeline to be connected with oil pump and oil tank, organic liquid gives up and passes through pipeline and diaphragm pump and liquid and give up the jar and is connected, firing cinder district symmetry and setting up 2 group's air guns, the spray gun passes through ...

Method for manufacturing photoelectricity semiconductor element of semiconductor containing P-type three-tribe nitrogen compound

A manufacturing method of a photoelectric semiconductor element containing a P-type group III nitride semiconductor comprises allowing a reacting gas containing a P-type dopant to grow on a substrate to obtain a group III nitride semiconductor; reducing the temperature in a reaction chamber to 700-850 DEG C, introducing nitrogen gas or an inert gas to discharge ammonia and hydrogen out of the reaction chamber, and reducing the pressure in the reaction chamber to 20-80 kPa; keeping for a sufficient time until the residual ammonia and hydrogen are completely discharged, reducing the temperaturein the reaction chamber to room temperature, and taking out the substrate.

Retraction compensating type nut clamping piece anchor as well as anchor tensioning method

The invention discloses a retraction compensating type nut clamping piece clamp as well as an anchor tensioning method, relates to an anchor used for the civil engineering field as well as an anchor tensioning method and aims at solving problems of an existing anchor that anchorage loss is difficult to control and needed effective prestress can not be established. The anchor comprises an external nut and an internal anchor ring which are in threaded connection, wherein three to ten side slots are uniformly formed in the outer diameter surface of the external nut; the section of a wedge-shaped hole is gradually reduced from outside to inside; an external wedge-shaped conical barrel is formed by buckling two semicircular conical clamping pieces; a ring slot is formed in radial outer surface, close to a large diameter end, of the wedge-shaped conical barrel; the wedge-shaped conical barrel is arranged in the wedge-shaped hole. The anchor tensioning method comprises the following steps: firstly ...

Full-isolation multichannel universal analog quantity input and output device based on Mod Bus-RTU

The invention discloses a full-isolation multichannel universal analog quantity input and output device based on a Mod Bus-RTU and belongs to an analog quantity input and output device. The full-isolation multichannel universal analog quantity input and output device is provided with a CPU, an AD input isolation module, a DA conversion chip, a Mod Bus-RTU communication isolation module and a power module, wherein the AD input isolation module, the DA conversion chip, the Mod Bus-RTU communication isolation module and the power module are respectively connected with the CPU. The AD input isolation module is connected with a sensor power distribution isolation module. The DA conversion chip is connected with a DA output isolation module. The power module is connected with a 24V power distribution isolation module. The 24V power distribution isolation module and the sensor power distribution isolation module are connected with a power source. Simultaneous input and simultaneous output of multichannel ...

Method for molding and manufacturing metal pipe

The invention relates to a method for molding and manufacturing a metal pipe, wherein the pipe is preformed into a crude pipe blank so as to implement a hot gas molding method. The hot gas molding method comprises the following steps of: firstly, preheating the crude pipe blank to reach a proper molding temperature; secondly, placing the crude pipe blank into a molding mould which is heated to reach the set temperature; thirdly, sealing both ends of the crude pipe blank, injecting high-pressure gas into the crude pipe blank, and propelling the both ends of the crude pipe blank as pushing compensation when the pressure of the high-pressure gas reaches the set pressure, so as to mold an outline of the crude pipe blank; and fourthly, taking out the crude pipe blank for post-processing to mold and manufacture a finished pipe product. Therefore, in the production process, not only the outline of the pipe can be easily molded to meet the design requirements of various outlines, but also the rebound ...

Preparation method of ultra-pure indium with purity of more than 7N

The invention belongs to the technical field of preparation of high-purity materials, and discloses a preparation method of ultra-high-purity indium with the purity of 7N or above. High-purity metal indium with the purity of 6 N or above is used as a raw material, ultra-high-purity indium with the purity of 7 N or above is used as a seed crystal, the steps and parameters of the pulling process are controlled, the ultra-high-purity indium with the purity of 7 N or above is prepared, and the content of harmful and difficult-to-remove impurities such as Sn, Sb and Pb in the ultra-high-purity indium is smaller than 10 ppbw.

Data management system based on block chain

The invention discloses a block chain-based data management system, which comprises a server, and is characterized in that the server comprises a classification module, a storage module and a publishing module; the server data management method comprises the following steps that 1, an uploading end uploads data to a server; 2, the server classifies and stores the data; 3, releasing the stored data to a block chain through nodes; 4, the data arrives at a node of a receiving end; according to the method, the server is arranged before the data are uploaded to the regional chain, the data are classified through the server, the data in the same time period can be classified according to the properties of the data, the corresponding sequence is obtained, the classified sequence is uploaded into the regional chain through the node, and integration and classification of the data are achieved. The receiving end does not need to integrate the data after receiving the data, so that the data management ...

Vertical shaft drilling-grouting parallel operation technology

The invention relates to a vertical shaft drilling-grouting parallel operation technology which mainly solves the problem that grouting of a bedrock segment occupies a long uphole time in the prior art. The invention is characterized in that a grouting hole of a bedrock segment (4) is divided into a straight hole segment (9) and an S hole segment (11), the vertical shaft drilling-grouting parallel operation technology has the sequence of grouting of the bedrock straight hole segment (9), drilling of an alluvium segment (3) and grouting of the S hole segment (11) which are carried out simultaneously, and finally, the bedrock segment (4) is excavated and lined. Compared with traditional drilling and grouting technologies, the technology of the invention reduces the occupied uphole time by 60%, and brings considerable economic benefit and social benefit for putting a mine into production ahead of schedule.

PREPARATION METHOD OF HIGH-PERFORMANCE MABR HOLLOW FIBER COMPOSITE MEMBRANE

The invention relates to the technical field of membrane separation, in particular to and discloses a preparation method of a high-performance MABR hollow fiber composite membrane, which comprises the following steps: 1) pretreating a supporting membrane, which includes: soaking the supporting membrane in ethanol, then soaking the supporting membrane in pure water, and then removing residual water; 2) preparing a coating solution, which includes: mixing raw silicone rubber and a reinforcing material with a continuous stirring, adding a crosslinking agent and a catalyst and stirring well, adding a solvent to dilute to a required concentration, and perform a vacuum defoaming; 3) coating the pretreated supporting membrane, which includes: coating and pulling; and 4) performing a curing, which includes: placing the membrane in an oven for curing. With the preparation method of the high-performance MABR hollow fiber composite membrane according to this invention, the prepared composite membrane has a higher oxygen permeability and a higher bubble point pressure of the dry membrane, which facilitates the transmission of oxygen across the membrane and enables the composite membrane to bear a higher aeration pressure during its operation, and ensures the operation efficiency of the MABR system, with advantages of a simple and feasible process, a suitability for the microporous support membrane of various materials and a good modification effect. 1. A preparation method of a high-performance MABR hollow fiber composite membrane , wherein the method comprises the following steps:1) pretreating a supporting membrane, which includes: soaking the supporting membrane in ethanol for 3-5 minutes, soaking the supporting membrane in pure water for 2-5 times each for 5-10 minutes, and then removing residual water on a surface of the supporting membrane with compressed air;2) preparing a coating solution, which includes: mixing raw silicone rubber and a reinforcing material with a ...

一种涡旋混合器

本实用新型公开了一种涡旋混合器，包括机壳，所述机壳顶端通过固定环套接有转轴，所述转轴外部套接有托盘，所述托盘内部通过夹板连接有支撑杆，所述支撑杆外部套接有试管板，所述试管板底端通过压缩弹簧连接有支撑盘，所述机壳底端通过底座安装有吸盘，本实用新型结构科学合理，使用安全方便，设置有托盘和夹板，扩大了托盘对不同直径试管板底端支撑杆的适用范围，同时提高了支撑杆在旋转离心时安装的牢固性，设置有试管板和支撑盘，避免试管内部的溶液发生泄漏，造成试剂的浪费，并对装置造成污染，提高了试管在高速运行时摆放的牢固性，设置有吸盘，避免底座在使用时发生滑动，对装置的使用造成干扰，保证了设备运行的平稳性。

Yeast protein having antibacterial function and preparation method therefor

Provided in the present disclosure are a yeast protein having an antibacterial function and a preparation method therefor. The method includes: S1, performing liquid fermentation on a Saccharomyces cerevisiae strain, and then performing separation to obtain a yeast milk; S2, acidifying the yeast milk to obtain an acidified yeast milk; and optionally performing autolysis, or exogenous enzyme catalytic hydrolysis, or mechanical crushing on the yeast milk to obtain a cell wall emulsion; S3, mixing the acidified yeast milk and the optional cell wall emulsion and performing autolysis to obtain an autolysis mixed solution; S4, performing first enzymolysis with compound protease to obtain a first enzymolysis solution; S5, performing second enzymolysis with seminase to obtain a second enzymolysis solution; and performing third enzymolysis with β-glucanase and cellulase to obtain a yeast protein emulsion; and S6, evaporating and concentrating the yeast protein emulsion to obtain the yeast protein having an antibacterial function. According to the method, a yeast protein having a broad-spectrum antibacterial function can be prepared.