Method and system for starting processing system from NAND (NOT-AND) FLASH

The invention provides a method for starting a processing system from an NAND (NOT-AND) FLASH. Starting codes of the processing system are divided into a plurality of code segments with data being greater than or equal to a first presetting value, the NAND FLASH comprises a plurality of memory pages, and the code segments are stored into the memory pages from one preset byte of each memory page. The starting method of the processing system comprises the following steps of: reading the code segments from the respective preset bytes of the memory pages according to the first preset value to obtain a starting code of the processing system, and starting the processing system according to the starting code of the processing system. The method and a device for starting the processing system from the NAND FLASH, provided by the invention, can be used for reading the system starting code from the NAND FLASH with unknown basic parameters and are suitable for different kinds of NAND FLASH.

Worm gear driven antenna actuating mechanism

The utility model discloses a worm gear driven antenna actuating mechanism, including main frame, worm gear position actuating mechanism and worm gear every single move actuating mechanism, worm gear position actuating mechanism includes position worm wheel, position worm and position motor drive drive mechanism, position worm and the meshing of position worm wheel, and the position worm is installed on the main frame, and the main frame bottom is worn out to the position worm wheel, worm gear every single move actuating mechanism includes little worm of every single move and every single move motor drive drive mechanism, and the little worm both ends of every single move all are equipped with the little worm wheel of every single move, the big worm of every single move and the big worm wheel of every single move, little worm wheel of every single move and the little worm mesh of every single move, and the little worm wheel of every single move is installed on the big worm of every single ...

Method for guaranteeing communication time slot expansion of short distance wireless sensing network

The invention relates to a guarantee communication time slot extension method for a short distance wireless sensor network comprising the following steps: (1) transmitting a guarantee communication time slot application control frame through a communication device in a zigbee network, realizing a guarantee communication time slot distribution application of a peer to peer communication in the network; (2) realizing the guarantee communication time slot distribution application of a multicast communication in the network through the transmission of the guarantee communication time slot application control frame by the communication device in the zigbee network; (3) realizing the time domain and the frequency domain resource distribution of the guarantee communication time slot by inducting a wireless channel seletion function in a guarantee communication time slot descriptor; (4) realizing a conflict-free reliable communication in a personal area network through the unified management of ...

Secure data storage method and secure data read method based on distributed system infrastructure

The invention discloses a secure data storage method based on a distributed system infrastructure. The method comprises a first step of generating digest information; a second step of encrypting data; a third step of hiding a random secret key; a fourth step of storing a ciphertext; and a fifth step of storing related information. In the first step, data to be stored is signed by an information digest algorithm so as to generate the digest information; in the second step, the data to be stored is encrypted by the random secret key generated by a secret key generation function so as to acquire corresponding ciphertext; in the third step, the random secret key generated in the second step is hidden so as to acquire random secret key information of the ciphertext; in the fourth step, the ciphertext acquired in the second step is stored in a distributed file system; and in the fifth step, the digest information generated in the first step, the random secret key information acquired in the third ...

Double cluster based wireless sensor network distributed topology control method

The invention relates to a distributed topology control realization method for wireless sensor network based on double clustering, which comprises a physical clustering step and a virtual clustering step, wherein, the physical clustering step is determining the cluster head or cluster member status of each node, so as to form a physical cluster; the virtual clustering step adopts distributed competitive mode; the cluster head of the physical cluster can generate own cycle dispatch table or follow the cycle dispatch table which is generated by the adjacent cluster head, so that the cluster heads of the adjacent physical clusters can form a virtual clustering which is run periodically and slept synchronously, and the communication between the cluster heads can be realized through an adaptivecommunication mechanism. The invention aims at the characteristics of the wireless sensor network on energy limitation, application specificity, and random dense distribution of nodes; on the basis of ...

Preventing DNS cache poisoning

The present disclosure provides a method and a device for preventing DNS cache poisoning. According to an example of the method, a preventing equipment may forward a first DNS query request packet sent by a DNS server to a first authoritative DNS server. The preventing equipment may construct a second DNS query request packet including the target domain name and send the second DNS query request packet to a second authoritative DNS server when a first DNS reply packet received for the first DNS query request packet indicates a DNS cache poisoning attack occurs. When a second DNS reply packet received for the second DNS query request packet indicates no DNS cache poisoning attack occurs, the preventing equipment may generate a final DNS reply packet according to the second DNS reply packet and feed back the final DNS reply packet to the DNS server.

Novel frame runs through roof beam and has frame that this frame runs through roof beam

The utility model provides a novel the frame runs through the roof beam, and it includes upper steel sheet and lower floor's steel sheet, and two -layer steel sheet is buckled and is connected as an organic wholely along the wherein one end of horizontal orientation, and two -layer steel sheet is the wave structure along the cross section of horizontal orientation, and this kind of structure makes the bearing structure of bottom plate intensive, prevents that the atress inequality from causing the deformation, and one kind has a frame that this novel frame runs through the roof beam, running through roof beam, boundary beam and bottom plate including longeron, the novel frame of multi -strip, offering one row of perforation on the longeron, the novel frame of multi -strip runs through the roof beam and passes in proper order to bore a hole and provide, and it is fixed with the longeron in perforation department and lateral part that novel frame runs through the concave part passing through ...

Dialing method of smart phone and smart phone

The invention provides a dialing method of a smart phone and the smart phone. The dialing method of the smart phone includes the following steps: the smart phone triggers an interface dialing signal and sends the interface dialing signal to an identification module; and the identification module reads image data of a preset-number display area after receiving the dialing signal and identifies a phone number so as to dial. The smart phone includes a triggering module, the identification module and a dialing module. Through adoption of the method and the structure, the smart phone has the following advantages: the dialing method of the smart phone and the smart phone carries out specific supplement on a dialing function on the basis of an original dialing function so that dialing flexibility is increased and great convenience is provided to users.

Buggy ladle cable provided with protective device and laying method

The invention relates to a buggy ladle cable provided with a protection device and a laying method, the buggy ladle cable comprises a cable body, the cable body comprises an aramid fiber reinforced conductor arranged at the central position, an inner isolation layer, an insulation layer, an outer isolation layer and a sheath layer are sequentially arranged outside the aramid fiber reinforced conductor, and the surface of the sheath layer is covered with protection scales. According to the buggy ladle cable provided with the protection device, the protection scales are arranged on the surface of the cable, when steel slag falls off, the protection scales effectively protect the cable body, and damage of the steel slag to the cable is isolated; the protection scales are movably connected with the cable body, and when the protection scales are damaged by steel slag, only the damaged protection scales need to be replaced, the whole cable does not need to be replaced, the maintenance cost is ...

Cutting equipment

The invention discloses material cutting equipment. The material cutting equipment comprises a positioning device, a punching device and a transferring device. The positioning device is used for positioning the workpiece connected with the excess material; the punching device corresponds to the positioning device and is used for being matched with the positioning device so as to punch the excess materials; the transferring device comprises a mechanical arm and a material taking and placing mechanism. The manipulator is adjacent to the positioning device; the material taking and placing mechanism comprises a blowing and sucking assembly. The blowing and sucking assembly is connected with the mechanical arm and used for sucking and positioning the workpiece, and the blowing and sucking assembly is driven by the mechanical arm to abut against the positioning device so that the workpiece can be blown off and positioned to the positioning device, and the punched workpiece can be obtained from ...

Forming die cooling mechanism

The invention discloses a forming die cooling mechanism, and belongs to the field of forming equipment of independent-section bottle making machines. The forming die cooling mechanism comprises two symmetric tong arms (1) and inserting panels (2) which are fixed at the inner sides of the tong arms (1), wherein die clamping openings (3) are formed in the inner sides of the inserting panels (2); cooling air outlets (4) are formed in the die clamping openings (3); inserting panel cooling air channels (15) which are communicated with the cooling air outlets (4) are formed on the inserting panels; air supply devices which are communicated with the inserting panel cooling air channels (15) are arranged below the inserting panels (2). The air supply devices supply cooling air to the cooling air outlets (4) through the inserting panel cooling air channels (15); the cooling air directly acts on a forming die without being blocked by other structure of the forming equipment, so that the forming die ...

Real-time baking temperature monitoring device of sand mold

The invention discloses a real-time baking temperature monitoring device of sand mold. The device comprises a thermocouple wire (3) and a temperature measuring probe (4), wherein the temperature measuring probe (4) is arranged in the sand mold, one end of the thermocouple wire (3) is electrically connected with the temperature measuring probe (4), and the other end of the thermocouple wire (3) is connected with a control module (6) via a metal lead (7). The control module (6) converts and transmits data and supplies power, and is electrically connected with a data emission antenna (5). The real-time baking temperature monitoring device can monitor the temperature of the sand mold in real time, and can timely and accurately obtain the temperature of the sand mold in the baking process.

Conducting wire great current impact test method

The invention relates to a conducting wire high-current impact test method, suitable for the investigation variation instance of sigma0.2 (extension strength when the non- proportionality extension rate is 0.2%) after the copper conductor is subjected to impact of high-current. The invention has main technical points of using a time relay to control the energized time (the control precision is 0.01s), thereby resolving the control problem of the energized time; accurately calculating the energized electric current intensity, by accurately measuring the conducting wire resistor and energized voltage; completely simulating the operating environment of the transformer by placing a tested copper conductor in the constant temperature oil bath test box. The present invention possesses the beneficial effects of providing dependable criterion for investigating the variation of mechanical energy, electric property and the like parameters after the copper conductor is subjected to impact of high-current ...

Photovoltaic lamination assembly with bypass diodes

A photovoltaic lamination assembly with bypass diodes (D1, D2), comprising four regions, wherein each region includes several cell strings composed of crystalline silicon cells or crystalline silicon slice cells; the cell strings in various regions are connected in parallel, and circuits among various regions are connected in series; a first region and a second region are protected by one first bypass diode (D1), and a third region and a fourth region are protected by another second bypass diode (D2); the bypass diodes (D1, D2) are located in the central part of the assembly; the anode and cathode cables (3, 4) of the assembly are led out from a wiring box (1), which is close to an edge of the assembly, on the back surface of the assembly; and the voltage of a circuit formed by the first region and the second region which are connected to the first bypass diode (D1) in parallel is a half of the voltage of the assembly, the voltage of a circuit formed by the third region and the fourth region ...

Self-adhering transposed conductor integral high-temperature bending strength experimental method and apparatus

An integral high-temperature bending strength experimental method and a device of self-adhesive transposition wire belong to the field of transformer technology for solving the experimental problems of bending strength at operation temperature. The technical scheme is characterized in that the method can acquire the test results at different temperatures and can calculate the ratio through sample preparation, bending strength experiment, experimental data arrangement, etc. by using the experimental device consisting of a test mechanism and an oil bath tank. The invention can obtain the integral bending strength data of a self-adhesive transposition wire at the operation temperature of a transformer, and the data can objectively and accurately represent the performance characteristics of thermal-bonded enameled wire under operation state, thus providing direct experiment verification of the actual effect of the self-adhesive transposition wire in the transformer, obviating error caused by ...

Method for removing carbon dioxide from air by adsorption

The invention discloses a method for removing carbon dioxide from air by adsorption, which takes amine resin as adsorbent to remove the carbon dioxide from the air, and concretely comprises the following steps: 1) synthesis of the amine resin; and 2) adsorption of the carbon dioxide from the air by taking the amine resin as the adsorbent. The invention adopts the adsorption method to remove the carbon dioxide from the air, and thereby having simple operation, easily obtainable material, obvious removing effect, easily renewable adsorbent and repeatedly use. The invention is used for removing the carbon dioxide from the air, and has good environmental benefit.

Self-discharging semitrailer vehicle frame

A frame for a dump semi-trailer comprises an upper frame and a lower frame, and the compound mode of the upper frame and the lower frame is that two longitudinal beams of the gooseneck part of the upper frame are corresponding to and are arranged beyond two longitudinal beams of the gooseneck of the lower frame; the gooseneck part of the upper frame is arranged above a bearing pull blade of the lower frame and the gooseneck support of the lower frame; the upper plane of the upper frame is higher than the upper plane of the upper wing plate of the gooseneck longitudinal beam of the lower frame. The frame for the dump semi-trailer with the structure of the invention can reduce the height of the bearing plane of the trailer, thereby reducing the height of gravity center of the whole vehicle after being loaded, avoiding turn-over when unloading, increasing the volume of the trailer without changing the total length and width of the trailer, loading more goods and increasing conveying efficiency ...

Tread rubber composition with low tire rolling resistance

The invention relates to a tread rubber composition with low tire rolling resistance. The rubber composition is prepared from the following components in parts by mass: 1 to 60 parts of 1,4-cis-polyisoprene polymer, 50 to 80 parts of modified solution polymerized butadiene styrene rubber, 20 to 80 parts of white carbon black, 10 to 50 parts of carbon black, and 1 to 5 parts of a silane coupling agent. The modified solution polymerized butadiene styrene rubber contains 5 to 40 percent of styrene and 2 to 20 percent of a terminal modifier. The rubber composition has the beneficial effects that general solution polymerized butadiene styrene rubber is subjected to terminal group modification, a special terminal group is introduced, interaction between rubber molecular chains and between filler particles is increased, and a tread rubber recipe with low rolling resistance is provided.

Insulating cover for on-load replacement of transformer high-voltage side lead

The invention discloses an insulating cover for on-load replacement of a transformer high-voltage side lead. The insulating cover is characterized by comprising an insulating main body (1) and an insulating secondary body (2), wherein the insulating main body (1) comprises two insulating phase partitions (1-1), a main body insulating phase-earth partition (1-2) is connected between the insulating phase partitions (1-1), a U-shaped transformer knob insulator clamping groove (1-3) is formed in the main body insulating phase-earth partition (1-2), the insulating secondary body (2) comprises a space partition (2-1) which is perpendicularly connected with an insulating phase-earth partition (2-2), and a U-shaped transformer knob insulator clamping groove (2-3) is formed in the insulating phase-earth partition (2-2). The insulating cover is simple in structure, safe, reliable and applicable to transformer high-voltage side lead on-load replacement work, personnel can have control over the movement ...

Construction method of self-drilling type mixing jet-grouting pile for long-auger high-pressure and low-pressure multi-tube

The invention belongs to the category of foundation construction, in particular relates to a construction method of a cement pile for a vertical and horizontal water-stop curtain in the foundation reinforcement. The construction method comprises the following steps of: (1) clearing obstacles, flattening the ground and drilling; (2) cutting a soil body by utilizing a hollow drill stem with mixing blades to make the soil body sink, and simultaneously spraying water, gas and cement slurry with the jet pressure of 10 to 40MPa on the soil body so as to reach the designed pile bottom level; and (3) mixing by utilizing the mixing blades at the same time of hoisting jet grouting slurry, and lifting to the pile top level to form the pile. The invention combines the pile-forming construction characteristics of a stirring method and a jet grouting method, can realize self-drilling, self-spraying and self-mixing, large-diameter and high-strength one-time pile forming in harder soil layers, such as ...

Continuous casting and direct rolling heat preservation screw power generation system and method

The system comprises a screw generator set, a heat conduction oil heat accumulator and a plurality of heat absorption modules for power generation, each heat absorption module for power generation is provided with a heat absorption housing composed of a plurality of heat conduction copper pipes side by side, and the heat absorption housing covers a high-temperature steel billet of a continuous casting machine. A heat-conducting oil inlet is formed in one end of the heat-conducting copper pipe of the heat-absorbing housing and connected with a heat-conducting circulating oil pump, a heat-conducting oil outlet is formed in the other end of the heat-conducting copper pipe of the heat-absorbing housing and communicated with a heat-conducting oil heat accumulator through a heat-conducting oil pipeline, and the heat-conducting oil heat accumulator is communicated with the screw generator set through a steam pipeline. Heat radiation is conducted on the heat absorption cover shell through steel ...

Substrate etching method

The invention provides a substrate etching method. The substrate etching method comprises the following steps of etching a substrate, wherein etching gas is injected into a reaction chamber, an excitation power supply and a grid bias power supply are started to etch the substrate at preset etching depth; processing plasma, wherein the etching gas is stopped from being injected into the reaction chamber, meanwhile, processing gas is injected into the reaction chamber, the grid bias power supply is turned off, and the processing gas is used for removing a part of reaction by-products accumulated on the side wall of the substrate; the steps of etching the substrate is carried out cyclically for at least two times, and one time of the step of processing the plasma is carried out with at least one cyclical time in the total cyclical times in the step of etching the substrate as an interval. According to the substrate etching method, under the premise that substrate etched appearance with an ...

Plasma etching method and silicon shallow trench isolation method

The invention provides a plasma etching method and a silicon shallow trench isolation method. Plasma equipment based on the plasma etching method comprises a reaction cavity, a lower electrode and a radio frequency power supply, wherein a dielectric window is formed at the top of the reaction cavity; the radio frequency power supply applies radio frequency energy into the reaction cavity through the dielectric window; the lower electrode for supporting a processing piece is arranged at the bottom in the reaction cavity and is opposite to the dielectric window; power is applied to the lower electrode to enable the potential of the lower electrode to be lower than that of the dielectric window. According to the plasma etching method, the number of defects on the surface of a wafer can be reduced.

Copper etching method

The invention discloses a copper etching method. The copper etching method comprises the steps of depositing a copper metal layer on a medium layer; forming a photoresist mask figure on the copper metal layer by utilizing a photolithography technology; utilizing the photoresist mask figure as a mask, etching the copper metal layer by using hydrogen, and forming an interconnection line figure; removing the photoresist mask figure. According to the copper etching method provided by the invention, gaseous copper hydride can be generated due to the reaction of the hydrogen in a plasma state with copper under a non-high-temperature situation, thus the copper etching method under a lower temperature is realized, and a non-high-temperature-resisting material can be prevented from being damaged by the high temperature etching; in addition, the etching on the medium layer is avoided, thus the problem in the prior art that a critical size is easily subjected to deviation caused by the damage to a ...

Method for preparing biogas and soil conditioner by utilizing stevia rebaudiana processing waste

The invention provides a method for preparing biogas and a soil conditioner by utilizing stevia rebaudiana processing waste. The method mainly comprises the following steps: pre-treating waste liquid in the stevia rebaudiana processing process; and then mixing the pre-treated waste liquid and waste residues, and fermenting the mixture in an anaerobic jar. The prepared methane, namely biogas, can be applied to industry or households, and the fermented waste residues are applicable to preparation of soil conditioners. According to the method, in the adopted reacting raw materials, the waste liquid can be waste liquid generated in each procedure in the stevia rebaudiana processing process, and the waste residues can be waste residues generated in each procedure of the stevia rebaudiana processing process. The process of the method is relatively simple and easy to operate, waste resources can be effectively recycled, and energization can be realized.

Method for preparing graphene oxide/white carbon black/rubber nanocomposite material

A method for preparing a graphene oxide/white carbon black/rubber nanocomposite material is described. The prepared graphene oxide/white carbon black/rubber nanocomposite material contains nanoscale graphene oxide and white carbon black that are highly dispersed. The nanocomposite material has a relatively high modulus, excellent wear resistance and tear resistance, a relatively low rolling resistance, and at the same time has a low air-permeability and excellent self-healing capability.

Accurate lightning positioning system and method

The invention discloses an accurate lightning positioning system, which comprises at least one lightning positioning monitoring station and a lightning positioning information receiving station arranged in any region covered by a transmission line, at least one relay protection device arranged inside the region and connected with the transmission line, and a backstage data center far away from the region, wherein each lightning positioning monitoring station transmits acquired data to the lightning positioning information receiving station in a wireless communication mode; the lightning positioning information receiving station transmits the received data to the backstage data center in a GPRS mode; each relay protection device is connected with the backstage data center in a GPRS mode respectively; the lightning positioning information receiving station is provided with a first PTP time synchronization module; each relay protection device is provided with a second PTP time synchronization ...

Height limiting device for municipal road bridge

The height limiting device comprises a height limiting device body and a forbidding device, the limiting device body comprises a first cross beam, a lifting plate and a limiting plate, the two sides of the bottom end of the first cross beam are fixedly connected with the top ends of supporting beams, and sliding grooves are formed in the top ends of the sides, close to each other, of the two supporting beams; the two sliding grooves are slidably connected with sliding blocks correspondingly, the sides, close to each other, of the two sliding blocks are fixedly connected with the left side and the right side of a lifting plate correspondingly, and the two sides of the top end of the lifting plate are fixedly connected with rope fixing blocks correspondingly. Through mutual cooperation of the height limiting device and the forbidding device, when a vehicle exceeding the limited height passes, the vehicle collides with a limiting plate, and a metal touch block on the rear side of the limiting ...

Novel girder pterygoid lamina

The utility model provides a novel girder pterygoid lamina, it includes the pterygoid lamina body, the pterygoid lamina body is buckled from central line department and is formed two flanks of symmetry, the central line of pterygoid lamina body department is welding deformation portion, the angle of buckling with welding deformation portion makes behind welding deformation the pterygoid lamina body becomes a plane. This girder pterygoid lamina has the design science, utilizes the welding deformation principle to realize that pterygoid lamina welding back is straight, simple structure's advantage.

Dismantlement formula yagi aerial

The utility model discloses a dismantlement formula yagi aerial, including antenna main part, antenna PCB board and installing the active dipole in the antenna main part, lie in an active dipole side -mounting reflector in the antenna main part, lie in the multistage director of active dipole opposite side installation in the antenna main part, formula mechanical connection is all dismantled through a coupling assembling with the antenna main part to director and reflector, and director and reflector all pass through a coupling assembling and antenna main part electricity is connected, and formula mechanical connection is dismantled through the 2nd coupling assembling and antenna main part to the active dipole, the active dipole through the 2nd coupling assembling and antenna PCB board electricity is connected, and the active dipole passes through the 2nd coupling assembling and antenna main part are insulating to be connected, a coupling assembling and the 2nd coupling assembling all sets ...

Stamping die layering heating device

The utility model discloses a stamping die layering heating device, including first heating cabinet, pull board and second heating cabinet, the equal fixedly connected with backup pad in middle part of first heating cabinet both sides inner wall, the pull board has been placed at the top of two backup pads, and a plurality of bars fluting has evenly been seted up on pull board surface, and the pull board is first heating chamber and second heating chamber with the internal partitioning of first heating cabinet, and the inner wall on first heating chamber top evenly is equipped with a pluralityof first baffles, and the bottom of first baffle is connected with the top contact of pull board. The utility model discloses the bar of offering on pull board fluting can be through the cooperationwith the second baffle, nimble drops the sheet material to after first heating intracavity portion preheats on the first conveyer belt of second heating intracavity portion again, carries out degree of depth ...

Sea sand purification treatment system

The invention relates to the field of sea sand purification, in particular to a sea sand purification treatment system which comprises a machine shell and a purification mechanism. The machine shell comprises a sand storage cylinder used for storing sea sand to be purified. The purification mechanism comprises a lifting assembly, an isolation cylinder, an isolation cylinder and electrolysis assemblies, the lifting assembly is vertically arranged in the machine shell, the isolation cylinder is vertically installed in the machine shell, the isolation cylinder and the isolation cylinder are coaxially arranged, and the multiple electrolysis assemblies are arranged in the circumferential direction of the lifting assembly and distributed in the axial direction of the isolation cylinder; the lifting assembly has a first working state and a second working state; through the first working state and the second working state of the lifting assembly, sea sand in the sand storage barrel can be conveyed ...

Float restraint amplification circuit in sensor network

The invention provides an amplifier circuit which can inhibit the drift of the outputted level. The invention includes an input end, an operational amplifier, a first digital potentiometer, an analogue-to-digital converter module, an operational control logic, a reactive circuit, and a first input resister. The operational control logic uses the analogue-to-digital converter module to monitor the outputted power level of the operational amplifier. The operational control logic conducts operation on the data of the analogue-to-digital converter module according to certain rules, converts the data into certain logic to control the state of the digital potentiometer, and regulates the outputted power level of the operational amplifier to the potential required by the system by adjusting the state of the digital potentiometer. The amplifier circuit can inhibit the drift of the outputted level of the operational amplifier caused by the external factors or the internal factors of the self of ...

Smart waistband with human-computer interaction function

The invention relates to a smart waistband with a human-computer interaction function, and belongs to the smart wearable device field. The smart waistband with the human-computer interaction function is formed by arranging a series of sensor units and other devices on a waistband body, and comprises a pedometer unit, a tension sensor unit, a sound sensor unit, a master control unit, an execution device, an alarming unit, a liquid crystal display module, a wireless communication unit, a control key and a power module. The smart waistband with the human-computer interaction function can enable a user to know motion information whenever and wherever possible and is especially suitable for a crowd of people who frequently exercise by arranging a pedometer on the waistband body, can monitor tympanites situations and is especially suitable for a crowd of people who need to control diet by embedding a tension sensor, and furthermore can monitor borborygmus sounds, and judge whether a gastrointestinal ...

Reactive-water-based paint remover and preparation method thereof

The invention discloses a reactive-water-based paint remover and a preparation method thereof. The reactive-water-based paint remover consists of chloroalkane, carbolic acid, acid, alcohol, paraffin wax, emulsifier, sodium carboxymethylcellulose (CMC), carboxymethyl starch (CMS) and water in a weight ratio of (50-70):(4.3-5):(3-12.5):(0.5-1.5):1:(1-1.5):(0.5-2):(0.5-0.7):(18-25). The reactive-water-based paint remover is a reactive penetration paint remover which does not contain benzene, formaldehyde and various harmful heavy metals, so that damage to the health of operation staff is avoided, and the environmental pollution is small. Moreover, compared with the conventional oily paint remover, the reactive-water-based paint remover has the advantages that: the paint removal time is shortand price is low so that the production cost can be reduced greatly. Moreover, the preparation method is simple and convenient.

Chromosome balance translocation detection and analysis system based on NGS

The invention provides a chromosome equilibrium translocation detection and analysis system based on NGS. The system comprises a sample preparation terminal, an NGS sequencing terminal, a sample data processing terminal and an analysis result display terminal, the sample preparation terminal is used for performing DNA extraction on a to-be-detected sample and performing DNA library preparation; the NGS sequencing terminal is used for performing high-throughput sequencing on the constructed DNA library to generate corresponding original sequencing data; the sample data processing terminal is used for performing translocation detection data processing on the original sequencing data to generate chromosome translocation information; and the analysis result display terminal is used for generating and displaying translocation analysis result information according to the chromosome translocation information. The method has the effect of improving the accuracy of chromosome balance translocation ...

Method for observing natural rubber particles and application of method in strain screening of rubber plants

The invention relates to a method for observing natural rubber particles and an application of the method in the strain screening of rubber plants with high latex yield, especially koksaphyz with high latex yield. The method is characterized in that a mark immunological recognition technology is used for observation. The method of the invention can be used for the qualitative and quantitative observation of natural rubber particles, so that the rubber plant with high latex yield, especially koksaphyz with high latex yield, can be screened quickly and effectively.

Mixed switch power source converter and automatic switching control circuit

The invention provides a mixed switch power converter, comprising a reference voltage and reference current generation unit, a PWM/PFM control unit, a power switch driving unit, a power switch and output circuit, and an auto-switch control circuit. The reference voltage and reference current generation unit is used for generating a reference voltage signal and a reference current signal; the PWM/PFM control unit is used for obtaining a voltage feedback signal and a current feedback signal, receiving the reference voltage signal and the reference current signal, outputting a first detection signal and a voltage detection signal and outputting a PWM/PFM control logic signal according to a received working model selection signal; the power switch driving unit is used for receiving the control logic signal and outputting a driving signal; the power switch and output circuit is turned on and turned off according to the driving signal; and the auto-switch control circuit is used for receiving ...

Method for preparing graphite paper

The invention relates to a method for preparing graphite paper, and in particular relates to a method for preparing ultrathin high-toughness graphite paper. The method comprises the following steps: machining graphite scale after acid treatment into graphite worms, performing desulfuration treatment, feeding a part of the raw material into a graphite line preparation device 4, under the action of a high pressure power pump, continuously ejecting graphite lines from an injection hole, ejecting the graphite lines to the graphite paper and/or rollers 7, forming a series of corresponding inclined or netted graphite lines arranged on the graphite paper and the rollers through combined movement of the graphite paper and the rollers, and furthermore rolling, thereby preparing the graphite paper with corresponding thickness. By adopting the method, the heat conduction property and flexibility of the graphite paper are maintained; as the graphite lines and the graphite paper are both made of graphite ...

Emergent box of multipurpose

The utility model relates to an emergent box of multipurpose, it by: box body, information card, warning box, chip, alarm switch, medicine box, handle, fixed band constitute. The information card cartridge is on the box body, and the box of reporting to the police is equipped with to one side of box body, is equipped with the chip in the box of reporting to the police, and the chip is connected with alarm switch, and the opposite side of box body is equipped with the medicine box, is equipped with the handle on the medicine box, and the rear side of box body is equipped with the fixed band. This product simple structure, reasonable in design because emergent box is the multipurpose, it not only has old person's personal information, still has the medicine box and the box of reporting to the police simultaneously, in case the old person be away from home meet accident its accessible information card in time and the household get in touch to accessible time take medicine, be favorable to ...

Umbelliform foldable satellite antenna structure

The utility model discloses an umbelliform foldable satellite antenna structure, including axis, sliding sleeve, position sleeve, antenna face structure, a plurality of rib and a plurality of pull rod, sliding sleeve and position sleeve all overlap in epaxially, sliding sleeve and position sleeve all with axis sliding fit, a plurality of ribs and a plurality of pull rod all wind lay at centraxonial circumferencial direction interval, set up on the outer peripheral face of sliding sleeve with a plurality of mounting grooves of rib one -to -one, the one end of rib articulates rather than corresponding in the mounting groove, set up on the outer peripheral face of position sleeve with a plurality of constant head tanks of pull rod one -to -one, the one end of pull rod articulates in the constant head tank rather than corresponding, the other end of pull rod with the rib is articulated mutually, and the antenna face structure is connected with the medial surface of a plurality of ribs, the ...

Mobile device having positioning energy-saving function

The invention belongs to the field of mobile devices and particularly relates to a mobile device having a positioning energy-saving function. The mobile device comprises a GPS positioning device for positioning the mobile device and a sending controller connected with the GPS positioning device and used for controlling signal sending frequency of the GPS positioning device. The controller is added on an existing electronic sending device, a high-power-consumption positioning-sending function can be effectively controlled by using a low-power-consumption sensor to play the effective energy-saving effect. The size, weight, usage and the like of the mobile device are not influenced. The mobile device can be well applied to a modern special occasion, usage flexibility is improved, and the mobile device is novel in design, is a novel design scheme and is convenient to popularize and apply.

Fe monatomic carbon substrate supported low-platinum-content electrocatalyst as well as preparation method and application of Fe monatomic carbon substrate supported low-platinum-content electrocatalyst

The invention provides a preparation method of a Fe monatomic carbon substrate supported low-platinum-content electrocatalyst, which comprises the following steps: A) dispersing cellulose nanofibers in water to obtain a dispersion liquid; b) mixing pyrrole with the dispersion liquid, and then adding ferric salt for polymerization reaction to form a compound; c) performing hydrothermal reaction on the compound to obtain a hydrothermal compound; d) mixing urea with the hydrothermal compound, and then adding chloroplatinic acid for reaction; and E) carrying out solid-liquid separation on the reaction product in the step D), drying, and carrying out high-temperature pyrolysis to obtain the Fe monatomic carbon substrate supported low-platinum-content electrocatalyst. Compared with a Pt/C commercial catalyst, the electrocatalyst provided by the invention has extremely low platinum loading capacity and ideal particle size. And in an oxygen reduction reaction or a hydrogen evolution reaction, the ...

Device and method used for assembling or maintaining timing system

The invention relates to a device and method used for assembling or maintaining timing system. The method includes that rotor and stator of the device are arranged between the cog belt pulley connected with an admission cam shaft and the cog belt pulley connected with an exhaust cam shaft and respectively meshed with the external tooth of the cog belt pulley connected with the admission cam shaft and the external tooth of the cog belt pulley connected with the exhaust cam shaft, the rotor is wedged into the stator to tightly wedge the cog belt pulley connected with the admission cam shaft and the cog belt pulley connected with the exhaust cam shaft, the inclined surface contacted between the rotor and the stator is utilized to compensate the central distance error of the admission cam shaft and the exhaust cam shaft, so that the cog belt pulley connected with the admission cam shaft and the cog belt pulley connected with the exhaust cam shaft can not rotate relatively, thus effectively ...

Carbon cloth with oxygen reduction catalytic performance and preparation method and application thereof

The invention provides a carbon cloth with oxygen reduction catalytic performance, which comprises a carbon cloth and a nitrogen-doped carbon nanotube loaded on the surface of the carbon cloth, and the nitrogen-doped carbon nanotube is filled with Fe3C nanoparticles. The prepared carbon cloth with the oxygen reduction catalytic performance has catalytic activity, does not need to additionally prepare a carrier, can replace an air catalytic electrode in the market, greatly simplifies a preparation process for preparing a commercial air electrode, and has the advantages of wide raw material source, low preparation cost and extremely high economic benefit. The catalytic oxygen reduction reaction performance of the carbon cloth is equivalent to the performance of a commercial 20% Pt/C catalyst, and compared with the performance of a zinc air battery composed of the commercial 20% Pt/C catalyst, the performance of the zinc air battery assembled by the carbon cloth is superior to that of the ...

Method for removing fluorine ion from water by using zirconium oxide carried molecular screen

The invention discloses application of molecular sieve loading zirconium oxide for removing fluoride ions from water. The invention also discloses a method by employing the molecular sieve loading zirconium oxide to remove the fluoride ions from water, namely absorbing and removing the fluoride ions by modified molecular sieve loading zirconium oxide from polluted water at a temperature of 10-40DEG C under the acidic or alkaline condition. The invention shows remarkable adsorption capacity superior to than of conventional adsorption materials by the time when removing fluorine contaminants from the water by the adsorption method. In addition, the invention has the advantages of simple operation, easy obtaining of materials, low cost and obvious treatment effect, thereby the invention has perfect economic and social benefits for removing the fluoride ions from source water of slightly polluted water.

Smokeless combustion's just fever cooking heating stove

The utility model provides a smokeless combustion's just fever cooking heating stove, furnace body top center are equipped with the cooking mouth, and the cooking mouth has coated outer fire apron, and furnace body top one side is equipped with flue gas discharge pipe, are equipped with the coal mouth on the furnace body with on the lateral wall of the relative one side of flue gas discharge pipe,upper portion is equipped with the cross slab in the furnace body, and cross slab one side meets with the oven, and the opposite side is equipped with cooking heating changer lever, offer interior burner in cooking mouth below on the cross slab, fire apron in interior burner has coated sets up the division board downwards in coal mouth one side along interior burner limit, and the division boardis divided into the cavity of two intercommunications in with the furnace body, and the cavity of coal mouth one side be the pyrolysis combustion area, and another lateral cavity room leads to the district ...

Method for continuously injecting, mixing and diluting sulfuric acid

The invention relates to a method for continuously injecting, mixing and diluting sulfuric acid, which adopts a sintering technology to sinter modified polytetrafluoroethylene on a metal surface so as to form an integrated injection pipe assembly, overcomes the problem of high manufacturing cost of alloy equipment, and has the advantages of simple equipment structure, excellent high temperature resistance and excellent scouring resistance. The under-pressure sintering method enables the plastic alloy and the metal to be tightly combined, falling is avoided, temperature distribution is uniform, and the problem of local overheating is avoided; according to the sulfuric acid injection method, the purpose of remotely, automatically and continuously controlling the required concentration of sulfuric acid is achieved, the applicable dilution concentration range is wide (0%-98%), and the continuous production requirements of most equipment can be met.

Interested object information acquisition method and system with mobile terminals coordinating with cloud terminal

The invention belongs to the technical field of virtual reality, and particularly relates to an interested object information acquisition method and system with mobile terminals coordinating with a cloud terminal. The system mainly comprises mobile terminals for acquiring the location information, orientation information and distance information of mobile terminals, and a cloud service interface for counting and managing the location information of a plurality of mobile terminals, retrieving and analyzing interested objects inquired by the mobile terminals, and feeding back the interested objects to mobile terminal equipment via a terminal data communication interface. Through adoption of the interested object information acquisition method and system, high interactivity and expandability are achieved. A cloud retrieval scenery information database can be better perfected in future data analysis according to the identification and description of a tourist about interested sceneries. A GPS ...

SHINGLED PHOTOVOLTAIC MODULE WITH BYPASS DIODES

A shingled photovoltaic module with bypass diodes, includes four regions. Each region includes a plurality of cell strings consisting of crystalline silicon cells or crystalline silicon slice cells; the cell strings in the each region are connected in parallel with each other, and circuits between the regions are connected in series with each other; a first region and a second region are protected by one bypass diode, and a third region and a fourth region are protected by another bypass diode; the bypass diodes are positioned in a central part of the module; and positive electrode and negative electrode cables of the module are led out from a junction box which is located on a back side of the module and is close to an edge of the module.

Systems and methods for capturing, processing, and rendering one or more context-aware moment-associating elements

Computer-implemented method and system for receiving and processing one or more moment-associating elements. For example, the computer-implemented method includes receiving the one or more moment-associating elements, transforming the one or more moment-associating elements into one or more pieces of moment-associating information, and transmitting at least one piece of the one or more pieces of moment-associating information. The transforming the one or more moment-associating elements into one or more pieces of moment-associating information includes segmenting the one or more moment-associating elements into a plurality of moment-associating segments, assigning a segment speaker for each segment of the plurality of moment-associating segments, transcribing the plurality of moment-associating segments into a plurality of transcribed segments, and generating the one or more pieces of moment-associating information based on at least the plurality of transcribed segments and the segment ...

Gooseneck framework vehicle

The invention relates to a gooseneck framework vehicle which comprises a gooseneck type longitudinal beam, a front cross beam and a rear cross beam, wherein rear positioning devices are respectively arranged at both ends of the rear cross beam, and twist lock devices are respectively arranged at both ends of the front cross beam. Each twist lock device comprises a T-shaped twist lock, a twist lock bracket and a supporting frame, wherein the T-shaped twist lock comprises a lock head and a lock rod; the twist lock bracket comprises a rectangular lock bracket bottom plate and two supporting walls; a lock rod through hole is formed in the lock bracket bottom plate, and the lock rod can be movably inserted into the lock rod through hole; the lock head is supported on the two supporting walls or falls to be supported on the lock bracket bottom plate, and both ends of the lock head extend out of the lock bracket bottom plate; and the supporting frame is fixedly connected with the front cross beam ...

Passenger car monitoring system based on sensor network technology

The present invention provides a passenger vehicles based on sensor net technology, which includes: a passenger vehicle sensor net, a passenger vehicle sensor net node, a passenger vehicle check-station sensor net node and a mobile check-vehicle sensor net node. The passenger vehicle sensor net can monitor real-time the operation state information of the passenger vehicle such as operation time, operation routes, stop station, passenger carrying capacity, vehicle safety state, vehicle health state etc, and sends the information in-time to the passenger vehicle check-station sensor net node, passenger station sensor net node or mobile check-vehicle sensor net node, and can ensure in-time, dynamic monitor for passenger vehicle. The system can ensure safe, steady and high-quality management of the passenger transport market, and increase the passenger transport service quality.

Method for etching polysilicon

Multifunctional remote mist sprayer and its system

Double cluster wireless sensor network based adaptive communication method

The invention relates to an self-adaptive communications method for double-clustering wireless sensor network, which comprises the following steps: M, the communications inside the cluster, the cluster members send the data to a cluster head; N, the communications between the clusters, namely the communications between the cluster heads; when two cluster heads are positioned at the same virtue cluster, the two cluster heads implement data interaction at the communications time of period between the clusters; when the two cluster heads are positioned at different virtue clusters, the two cluster heads implement data interaction at the self-adaptive communications time of period between virtual clusters; a cluster head node at the common boundary of the two virtual clusters needs an self-adaptive communications time of period between the virtues clusters in a superframe cycle; depending on relevant starting and ending time of the communications time of period of the opposite clusters, the ...

Method for co-producing ethanol, methane and lignin nanoparticles based on internal circulation of carbon dioxide

The invention discloses a method for co-producing ethanol, methane and lignin nanoparticles based on internal circulation of carbon dioxide, which combines ethanol fermentation, anaerobic fermentation and CO2 reflux pretreatment liquid of a solid part of a lignocellulose raw material after alkali pretreatment, so that the saccharification fermentation and anaerobic fermentation performance of the lignocellulose raw material is improved; according to the method, CO2 produced in the fermentation process is subjected to reflux utilization, lignin nanoparticles are prepared by a comprehensive acid precipitation self-assembly method, on the basis of improving the production of ethanol and biogas from raw materials, biogas is upgraded, and CO2 is produced through reflux fermentation to prepare the lignin nanoparticles, so that co-production of ethanol and methane, carbon neutralization and lignin recycling are realized; the resource conversion efficiency of energy herbaceous plants is further ...

Semitrailer and suspension bracket of same

The invention relates to a suspension bracket of a semitrailer, which comprises an adjustable pull rod. The adjustable pull rod comprises an adjusting rod, two pull rod joints and two locking bolts; the two pull rod joints are connected by threads and are sleeved on two ends of the adjusting rod; the two locking bolts are used for locking one end of the adjusting rod together with the pull rod joints; the adjusting rod and the pull rod joints are provided with matched threads and are matched to adjust the whole length of the adjusting pull rod; each pull rod joint is provided with an opening and two elastic clamping pieces, wherein the opening longitudinally extends along the pull rod joint and is clamped in the two elastic clamping pieces, and the two elastic clamping pieces are convexly arranged from the outer surfaces to the outer side of the pull rod joint; each locking bolt transversely penetrates through the two elastic clamping pieces along the pull rod joints; and clamping and pulling ...

Ammonia flash-evaporation cooling process

The invention relates to an ammonia flash-evaporation cooling process. The ammonia flash-evaporation cooling process is characterized by comprising the following steps: firstly charging gaseous ammonia obtained by posterior circulation into a first-stage inlet separation tank by a user; separating a liquid phase; putting the liquid phase into an ammonia compressor from a first-grade inlet and compressing; dividing the gaseous ammonia discharged from the ammonia compressor into five paths; respectively sending the first four paths to four anti-surge pipelines; sending the fifth path to a cooler, cooling into liquid ammonia and sequentially performing three-stage flash evaporation; respectively putting the gaseous ammonia obtained by flash evaporation to a second-grade inlet, a third-grade inlet and a fourth-grade inlet of the ammonia compressor; sending the liquid ammonia to a user for use after the liquid ammonia is over-cooled. The ammonia flash-evaporation cooling process disclosed by ...

Tire tread rubber composition capable of identifying and tracking

The invention relates to a tire tread rubber composition capable of identifying and tracking. The rubber composition comprises the following raw material components in parts by weight: at least one of 1-80 parts by weight of cis-1, 4-polyisoprene rubber, 1-60 parts by weight of a polybutadiene polymer and 1-100 parts by weight of a styrene-butadiene copolymer, 1-3 parts by weight of cobalt boroacylate; 1-30 parts by weight of processing oil, 5-80 parts by weight of reinforcing agent carbon black and 5-100 parts by weight of white carbon black with high specific surface area. According to the tire tread rubber composition capable of being marked and tracked, when a tire applying the tire tread rubber composition is subjected to a road driving test, worn rubber particles contain cobalt which can be marked, it can be judged that the particles are from a target tire according to the existence of the special cobalt, and the tire tread rubber composition can be identified and tracked. And the ...

Attack detection method, device and equipment and readable storage medium

The invention provides an attack detection method, device and equipment and a readable storage medium, and the method comprises the steps: obtaining the statistical information of a data stream received in a first set period, the statistical information at least comprising the attribution information of different source IP addresses in the data stream; determining a judgment threshold value corresponding to the attribution information in the statistical information according to a historical record of the statistical information of the data stream; and in response to the condition that statistical information of continuous data streams of a first set number and a first set period meets a preset condition, determining that an attack behavior exists and initiating an alarm prompt to a user, the preset condition being that at least one item of the attribution information in the statistical information is greater than a corresponding judgment threshold. By applying the technical scheme provided ...

Double cluster based wireless sensor network distributed topology control method

Preparation of glyoxalinyl-containing sulphonation polyimides covalence-ionomer membrane

The invention relates to a preparation method of a covalent-ion cross-linked film of sulfonated polyimide containing imidazolyl. The preparation method comprises the following steps: 1, 4, 5, 8-naphthoic tetracarboxylic dianhydride, sulfonated diamine, common non-sulfonated diamine and diamine containing imidazolyl are added into a metacresol medium, the sulfonated polyimide containing imidazolylis obtained by copolycondensation under the presence of triethylamine and benzoic acid and the protection of nitrogen; a solution casting method and proton exchange are adopted to prepare non-covalent cross-linked sulfonated polyimide film containing imidazolyl which is then processed by methane-sulfonic acid/phosphorus pentoxide solution or phosphoric acid solution or polyphosphoric acid containing phosphorus petoxide so as to prepare the covalent-ion cross-linked film of sulfonated polyimide containing imidazolyl. The covalent-ion cross-linked film obtained by the preparation method has anti-free ...

Preparation method of self-sealing rubber material, self-sealing rubber material and application of self-sealing rubber material

The invention belongs to the field of rubber, and relates to a preparation method of a self-sealing rubber material, the self-sealing rubber material and application of the self-sealing rubber material, and the preparation method comprises the following steps: dissolving synthetic rubber, tackifying resin, a liquid plasticizer and other materials which are easy to dissolve in a rubber solution in a solvent to prepare a rubber solution; the method comprises the following steps: crushing and dispersing materials insoluble in a rubber solution, such as a filler and a vulcanization system component, in a solvent to prepare slurry; uniformly mixing the glue solution and the slurry to prepare a mixed solution; and carrying out solvent removal on the mixed solution to obtain the self-sealing rubber compound. The self-sealing rubber material is prepared by adopting a wet continuous mixing process, and the formula of the self-sealing rubber material is optimized and improved; compared with the traditional ...

Etching device

The invention discloses an etching device, comprising a reaction chamber, wherein a lower electrode is arranged inside the reaction chamber; the lateral lower side of the reaction chamber is connected with an aspirating chamber; the side wall on the lower part of the reaction chamber is provided with an annular protrusion; an annular gas channel is formed between the annular protrusion and the lower electrode; and gas in the reaction chamber can enter the aspirating chamber through the annular gas channel. During the process for processing a semiconductor, chemical reaction velocities generated by a reactive group and the surface of an etched wafer have smaller difference, reaction products are distributed evenly, and both the etching velocity and the etching pattern have good evenness. Meanwhile, because the etching device adopts a lateral lower exhaust mode, the problem of deficient maintenance space for a lower exhaust type etching device can be effectively solved.

Soil settlement and pore water pressure measuring device and measuring method

The invention provides a soil settlement and pore water pressure measuring device and method, and relates to the technical field of civil engineering construction. The soil settlement and pore water pressure measuring device comprises a shell and an armature, the lower surface of the shell is fixedly connected with a metal pipe, the inner bottom of the metal pipe is fixedly connected with an electromagnet, the inner side surface of the metal pipe is fixedly connected with a supporting block, a mounting plate is arranged in the metal pipe, and the mounting plate is fixedly connected with the electromagnet. And pressure sensors are fixedly connected to the left and right side surfaces of the mounting plate. Soil settlement detection equipment and pore water pressure detection equipment are combined into a whole, the installation steps of the equipment can be effectively simplified, the installation difficulty of the equipment can be reduced, and then the installation efficiency of the equipment ...

Downhole jigging and gangue discharging method

The invention provides a downhole jigging and gangue discharging method which comprises the following steps: preparing rough coals; after screening run-of-mine coals by virtue of a screening device, feeding the oversize rough coals into a gangue jigger and feeding undersized slack coals into a slack coal bin; selecting the rough coals by washing; respectively performing dehydration transport on lump coals and gangue separated after washing the rough coals fed into the gangue jigger by virtue of a special double-row bucket lifter, feeding the lump coals into a lump coal belt, conveying the lump coals into a coal bin, and conveying the gangue into a gangue bin by virtue of a gangue belt; performing coal slurry water treatment; enabling washing water which overflows from the jigger and the special double-row bucket lifter to flow to a concentrated water barrel; enabling water which overflows in the concentrated water barrel to flow to a circulating water tank; processing underflow in the concentrated ...

Cross-shaped temperature measuring device capable of being replaced online and having early warning function

The invention discloses a cross-shaped temperature measuring device capable of being replaced online and having an early warning function. The cross-shaped temperature measuring device comprises a shell body, the interior of the shell body is fixedly parallelly provided with a plurality of mutual-independence sealable thermocouple channels, and the interior of each thermocouple channel is provided with a wireless thermocouple; each wireless thermocouple comprises a temperature measuring probe, a thermocouple wire, an A/D conversion chip and a data transmitting antenna which are connected with one another successively, wherein the A/D conversion chip and the data transmitting antenna are arranged in a nonmetal protective outer shell, and the A/D conversion chip and the thermocouple wire are in signal connection through a metal guide wire; the tail end of the interior of each thermocouple channel is provided with a thermocouple sealing protective sleeve for sealing; each temperature measuring ...

Method for removing fluorine ion from water by using zirconium oxide carried molecular screen

The invention discloses application of molecular sieve loading zirconium oxide for removing fluoride ions from water. The invention also discloses a method by employing the molecular sieve loading zirconium oxide to remove the fluoride ions from water, namely absorbing and removing the fluoride ions by modified molecular sieve loading zirconium oxide from polluted water at a temperature of 10-40DEG C under the acidic or alkaline condition. The invention shows remarkable adsorption capacity superior to than of conventional adsorption materials by the time when removing fluorine contaminants from the water by the adsorption method. In addition, the invention has the advantages of simple operation, easy obtaining of materials, low cost and obvious treatment effect, thereby the invention has perfect economic and social benefits for removing the fluoride ions from source water of slightly polluted water.

Self-discharging semitrailer vehicle frame

A frame for a dump semi-trailer comprises an upper frame and a lower frame, and the compound mode of the upper frame and the lower frame is that two longitudinal beams of the gooseneck part of the upper frame are corresponding to and are arranged beyond two longitudinal beams of the gooseneck of the lower frame; the gooseneck part of the upper frame is arranged above a bearing pull blade of the lower frame and the gooseneck support of the lower frame; the upper plane of the upper frame is higher than the upper plane of the upper wing plate of the gooseneck longitudinal beam of the lower frame. The frame for the dump semi-trailer with the structure of the invention can reduce the height of the bearing plane of the trailer, thereby reducing the height of gravity center of the whole vehicle after being loaded, avoiding turn-over when unloading, increasing the volume of the trailer without changing the total length and width of the trailer, loading more goods and increasing conveying efficiency ...

Bi-metal reinforcement cooling plate production method of internally installing copper pipe in copper matrix

The invention discloses a bi-metal reinforcement cooling plate production method of internally installing a copper pipe in a copper matrix. The method comprises the following steps that firstly, oxygen-free copper is used as a matrix, and a rolled copper pipe is cast in the matrix; secondly, an external cast steel plate part of the copper matrix is processed. According to the method, the cooling capacity of a cooling plate can be improved, the usage amount of cooling water is thus reduced, the production efficiency is improved, and the production cost is also reduced.

Novel system for preparing high-quality ethyl lactate through continuous fixed bed catalytic esterification and preparation process thereof

The invention discloses a novel system for preparing high-quality ethyl lactate through continuous fixed bed catalytic esterification and a preparation process thereof. The preparation system comprises a molecular distillation device for pretreatment of a lactic acid raw material, a mixing device for premixing ethanol and dehydrated and purified lactic acid, a novel fixed bed catalytic reaction device for catalytic esterification reaction of ethanol and dehydrated and purified lactic acid, and a rectification device for rectification of esterification reaction products. A dehydrated and purified lactic acid discharge port of the molecular distillation device is in fluid communication with a dehydrated and purified lactic acid feed port of the mixing device, and a discharge port of the mixing device is in fluid communication with a feed port of the novel fixed bed catalytic reaction device; and a discharge hole of the novel fixed bed catalytic reaction device is communicated with a feed ...

Heat-conduction electric-insulation rubber-plastic composite material and preparation method thereof

The invention discloses a heat-conduction electric-insulation rubber-plastic composite material and a preparation method thereof. The heat-conduction electric-insulation rubber-plastic composite material is prepared from the following raw materials in parts by mass: 40-80 parts of rubber matrix, 0-50 parts of heat-conduction electric-insulation filler, 10-40 parts of plastic matrix, 2-5 parts of vulcanizing agent, 3-7 parts of antioxidant and 2-5 parts of silane coupling agent. The preparation method comprises the following steps: carrying out surface modification on the heat-conduction electric-insulation filler by using the coupling agent, carrying out banburying and mixing, carrying out cold-press molding, and carrying out high-temperature vulcanization. The heat-conduction electric-insulation rubber-plastic composite material has higher heat conductivity under the condition of lower filler amount, and maintains excellent electric insulation properties. The blending of the rubber and ...

Connector material and application thereof

The invention provides an alloy for a connector material of a solid oxide fuel. The alloy comprises the following components: 24.00%-25.00% of Cr, 0.30%-0.50% of Nb, 0.01%-0.03% of V, 0.008%-0.015% of Mo, 0.80%-1.00% of W, 0.1%-0.25% of Ti, 0.40%-0.50% of Mn, 0.40%-0.50% of Cu, 0.30%-0.50% of Al, 0.30%-0.50% of Si, 0.45%-0.50% of Y and the balance of Fe. The solid oxide fuel metal support body with a porous structure is prepared by adopting a metallurgical process, the high-temperature corrosion resistance of the solid oxide fuel metal support body is improved, the thermal matching performance between a connector material and a functional coating is improved, and then the output performance and the long-term stability performance of the solid oxide fuel are improved.

Instrument and meter stores pylon device

The utility model relates to the field of machinary, in particular to instrument and meter stores pylon device, the pendant is collected to the raffinate that includes the base, erects roof beam, a plurality of reinforcement girder, a plurality of adjustable string of roof beam, is used for to collect the residual liquid, the base includes that horizontal floorbar of at least two and at least two vertical stroke put the polygon base that the floorbar was formed by connecting, horizontal floorbar with erect to put and connect through first detachable connecting piece between the floorbar, erect the roof beam utilize the detachable connecting piece of second with the vertical stroke is put the floorbar and is connected perpendicularly, reinforcement girder one end pass through the detachable connecting piece of third with erect and put the floorbar connection, reinforcement girder's the other end pass through the detachable connecting piece of fourth with it connects to erect the roof beam ...

Semitrailer and suspension bracket thereof

The invention relates to a suspension bracket of a semitrailer, which comprises an adjustable pull rod. The adjustable pull rod comprises an adjusting rod, two pull rod joints and two locking bolts; the two pull rod joints are connected by threads and are sleeved on two ends of the adjusting rod; the two locking bolts are used for locking one end of the adjusting rod together with the pull rod joints; the adjusting rod and the pull rod joints are provided with matched threads and are matched to adjust the whole length of the adjusting pull rod; each pull rod joint is provided with an opening and two elastic clamping pieces, wherein the opening longitudinally extends along the pull rod joint and is clamped in the two elastic clamping pieces, and the two elastic clamping pieces are convexlyarranged from the outer surfaces to the outer side of the pull rod joint; each locking bolt transversely penetrates through the two elastic clamping pieces along the pull rod joints; and clamping andpulling ...

Tire tread rubber and preparation method and application thereof

The invention relates to tire tread rubber. The tire tread rubber comprises, by weight, 100 parts of main rubber ingredients which include 1-90 parts of cis-1,4-polyisoprene rubber, 1-90 parts of cis-polybutadiene polymer, 1-90 parts of styrene-butadiene polymer and 1-90 parts of vegetable oil which is vegetable seed oil. The tire tread rubber has the advantages that wet skid resistance of a tire is remained, and dry-land operating performance of tire is improved; the vegetable seed oil is low in glass transition temperature and is high in flowability even at extremely low temperature, so that flexibility of the rubber at low temperature and wet skid resistance parameter 0 DEC G tan delta of the rubber can be guaranteed, and ground clinging performance and operating performance of the tire on ice surfaces, snowy ground and wet lands are improved.

Reaction chamber and plasma processing device

The invention provides a reaction chamber and a plasma processing device. The reaction chamber comprises a bearing device arranged inside the reaction chamber and an upper liner around the upper part of the inner side wall of the reaction chamber. The bottom end of the upper liner is provided with an annular baffle around the inner side wall of the reaction chamber and the bearing device. The upper surface of the annular baffle is uniformly provided with multiple strip-shaped through holes through the thickness. According to the reaction chamber provided by the invention, a demand of large gas flow on the premise that pressure of the reaction chamber is low can be met, and distribution symmetry and distribution uniformity of plasmas can be improved.

Throughout beam of trailer with concave-convex structure and trailer having the throughout beam

The present invention provides a trailer penetration beam which is provided with a concave convex structure and a trailer which is provided with the penetration beam. The penetration beam extends horizontally and is connected with a longitudinal beam and an edge beam which extend vertically, which forms a bearing plummer of the trailer. A top surface of the penetration beam is level with the top surfaces of the longitudinal beam and the edge beam. A plurality of installation parts which are sunken to the bottom and extend vertically are correspondingly arranged at the position where the penetration beam faces the longitudinal beam and the edge beam. The longitudinal beam and the edge beam is connected with and arranged on the installation part. The present invention is simple and novel in structure, simple in fabrication process, beautiful in exterior and material saving, which reduces vehicle dignity and enhances the trailer carrying capacity.

Protective coating and preparation method thereof

According to the solid oxide fuel connector protective coating material provided by the invention, the reducing state solid oxide fuel connector protective coating material which can be directly applied is obtained by utilizing a reducing atmosphere, so that simple and efficient protection of the solid oxide fuel connector is realized.

External-use Chinese medicine refreshment pillow for treating coma patient with brain trauma

The invention discloses a traditional Chinese medicine refreshment pillow used for externally treating a patient with traumatic cerebral coma and belongs to a Chinese materia medica preparation. The pillow comprises a pillow inner and a pillow sack, the pillow inner is packed with the medicine. The pillow is characterized in that the medicine is made from angelica, spikenard, chuanxiong rhizome, red peony root, peach kernel, motherwort, umbellate pore fungus, tuckahoe, plantain rhizome, largehead atractylodes rhizome, red sage root, safflower, spatholobus stem, kudzuvine root, achyranthes root, spine date seed, albizia bark, polygala root and calamus. The cooperation application of the plants can remove blood stasis and edema and refresh brain. The pillow are used for 114 cases with the traumatic cerebral coma and the effective rate is 100%. The test result of the medicine combined with the conventional therapy shortens the treatment time of recovering consciousness by about one week compared ...

Single-core cable intermediate joint temperature measurement analysis system and method based on PLC

The invention provides a single-core cable intermediate joint temperature measurement analysis system and method based on a PLC, and belongs to the technical field of temperature measurement analysis. Linear temperature measurement is achieved through the PLC motion control function, temperature change curves of the middle connector area and the adjacent area of the cable to be measured are formed, compared with a traditional linear temperature measurement method, the method is more economical and easier to operate, and the original structure of the cable connector cannot be damaged. On the basis of the traditional temperature measurement function, the cable defect point positioning analysis is realized, the cable is divided into a middle joint area and an adjacent body area by establishing one-dimensional coordinates of a to-be-measured part of the cable, the position of the defect point is quantified through time and space parameters, one-to-one correspondence of position parameters and ...

Rubber compound for tire tread

The invention discloses a rubber compound for a tire tread. The rubber compound comprises 100 phr of rubber, 60 to 80 phr of carbon black 1, 20 to 40 phr of carbon black 2, 30 to 60 phr of aromatic hydrocarbon oil, 0 to 5 phr of a processing aid, 1.5 phr of sulphur, 2.0 phr of a promoter 1, 0 to 2 phr of a promoter 2 and 22 phr of rest substances, wherein the rubber is formed by bonding of styryl groups and butadiene groups. The rubber compound for the tire tread can maintain grapping behavior and wear resistance of the tire tread and improve heating performance of the tire tread; the processing aid effectively improves workability of processing; and an anti-vulcanization reducing agent effectively reduces heat during usage of a tire and improves durability of the tire.

Special massage pillow of multi -functional department of neurology

The utility model provides a special massage pillow of multi -functional department of neurology, it is main including the pillow, the pillowcase, the pillowcase cover is on the pillow, it is inside sunken in the middle of the pillow, and be equipped with a plurality of massage components on the pillow, each massages the outside micro motor of component parallel connection, the pillow inlayer is equipped with the gasbag, the gasbag passes through the trachea and is connected with outside miniature air pump, the pillow rear end still sets up the circuit board, the circuit board passes through the power cord and connects outside remote controller, at the inside negative oxygen ion generator that still sets up of pillowcase, the pillowcase outside still is fixed with the support, be equipped with the pivot on the support, the hemisphere cover body is connected in the pivot, the internal carbon fiber head that is equipped with of hemisphere cover, negative oxygen ion generator passes through ...

Testing method for quantifying sintering property of flow guiding sand

The invention relates to a testing method for quantifying the sintering property of flow guiding sand, belonging to the technical field of flow guiding sand throwing for a ladle upper nozzle. The testing method comprises the steps of: adding a temporary binding agent accounting for 1-10% by weight of the flow guiding sand into the flow guiding sand; adding running water accounting for 2-10% by weight of the flow guiding sand; mixing and stirring to bond the flow guiding sand; pressing the bonded flow guiding sand into a bar-type testing sample by using a press machine at a pressure of 1000-5000N; naturally drying the bar-type testing sample for 12-24 hours at a room temperature; drying for 8-12 hours in a drying oven; roasting in the high temperature furnace; cooling the roasted testing sample in the furnace to the room temperature; and taking the cooled testing sample out to test the breaking strength which is used for representing the sintering property of the flow guiding sand. The testing ...

Battery power consumption metering method, control device, metering system and storage medium

The invention discloses a battery power consumption metering method, a control device, a metering system and a storage medium. The battery consumed electric quantity metering method comprises the following steps: when the battery stops charging this time, acquiring the current electric quantity of the battery; acquiring the last electric quantity of the battery when the charging of the battery is stopped last time; under the condition that the current electric quantity is smaller than the last-time electric quantity, obtaining a charging record of the battery in the last-time charging process; and determining the consumed electric quantity of the battery according to the charging record and the current charging quantity. According to the control method provided by the embodiment of the invention, the current electric quantity of the battery, the last electric quantity of the battery and the charging record of the battery during last charging are acquired, and the consumed electric quantity ...

Heavy high-strength sound absorption porous ceramic material and preparation method thereof

The invention discloses a heavy high-strength sound-absorbing porous ceramic material and a preparation method thereof, and belongs to the technical field of ceramic materials, and the preparation method comprises the following steps: step 1, pretreating feldspar powder, a foaming agent, perlite and magnesium oxide; step 2, pretreating feldspar powder, a foaming agent, perlite and magnesium oxide, and mixing the pretreated feldspar powder, foaming agent, perlite and magnesium oxide with other raw materials in parts by weight; according to the invention, the prepared ceramic material has excellent sound absorption performance, the pretreated perlite and the prepared foaming agent are taken as main raw materials, the prepared ceramic material presents a multi-layer structure with different thicknesses and different pore sizes, and the pore sizes of the ceramic material are changed, so that the viscous resistance of sound waves is effectively increased; according to the present invention, ...

Sound-wave-based square wood hole-defect recognition system and method

The invention discloses a sound-wave-based square wood hole-defect recognition system and a sound-wave-based square wood hole-defect recognition method, which mainly solve the problem of difficulty for nondestructive detection of a hole defect of square wood. The system comprises a small hammer, a sound wave signal acquisition module, a sound wave signal processing module, a NiosII processor, an external storage module, a USB (universal serial bus) communication module and a principal computer processing module. The sound wave signal acquisition module is used for completing the sound wave acquisition, AD conversion, amplification and low-frequency filtering; the sound wave signal processing module is used for driving the acquisition module and processing a sound wave digital signal; the external storage module comprises an SDRAM (synchronous dynamic random access memory) and an EPCS (electronic propulsion control system) configuration memory; the NiosII processor is used for processing ...

Aluminum wiredrawing process

Simple and easy measuring device of liquid ammonia content safety

The utility model relates to a liquid ammonia processing system particularly relates to a simple and easy measuring device of liquid ammonia content safety, and the mode of the device through multiple unit construction realizes the safe rapid survey of liquid ammonia, and this measuring device is equipped with airtight constant volume sampler, diversion test tube support, seals evaporation plant and liquid water disposal device, the device realizes the sealed constant volume of liquid ammonia through specific sampler and takes a sample, improves the degree of accuracy of taking a sample, realizes safe the sample, set up the receiver and seal the evaporation district, reduce the pollution in the experimentation, but set up multi -angle rotating's safe test tube support, guarantee safety and practicality in the sample circuit evaporation process, set up waste liquid absorbing device, realize clean environmental protection.

Method for removing tetracycline in water by adsorption method

The invention discloses a method for eliminating tetracycline in the water by a adsorption method; Mesoporous carbon is taken as adsorbent to adsorb and eliminate the tetracycline in the water; the method particularly includes the following steps: 1) synthesizing a template SBA-15 of the mesoporous carbon; 2) taking the SBA-15 as the template to synthesize mesoporous carbon CMK-3; 3) taking the mesoporous carbon CMK-3 as an adsorbent to adsorb tetracycline in water. By adopting the adsorption method to eliminate the tetracycline in the water, the method of the invention can achieve the adsorption performance which is significantly superior to that of the traditional adsorbing material (like activated carbon). Furthermore, the method of the invention has simple operation and significant treatment effect, and the material is easy to be obtained. The method of the invention has high economic and environmental benefits on the elimination of the tetracycline in the water of a micro-polluted ...

Method for processing heavy metal ion in water using amidocyanogen modified Fe3O4@SiO2 composite microparticle

The invention discloses an application of Fe3O4@SiO2 composite particles modified by amido to removing heavy metal ion pollutants in waters. The invention also discloses a method of using the Fe3O4@SiO2 composite particles to remove heavy metal ion pollutants in waters. The Fe3O4@SiO2 composite particles are used to adsorb and remove heavy metal ions when the pH value is 4 to 8, the adsorption time is 30min to 24h and the temperature is 288 K to 318K. The application and the method adopt the Fe3O4@SiO2 composite particles to absorb and remove heavy metal ion pollutants in water and the composite particles represent relatively strong adsorption performance. Besides, the material of the application and the method is easy to prepare, the application and the method are convenient to operate, have low cost and obvious treatment effect and can adopt magnetic separation to carry out separation. Therefore, the application and the method are applied to remove heavy metal ions in micro-polluted water ...

Preparation of glyoxalinyl-containing sulphonation polyimides covalence-ionomer membrane

The invention relates to a preparation method of a covalent-ion cross-linked film of sulfonated polyimide containing imidazolyl. The preparation method comprises the following steps: 1, 4, 5, 8-naphthoic tetracarboxylic dianhydride, sulfonated diamine, common non-sulfonated diamine and diamine containing imidazolyl are added into a metacresol medium, the sulfonated polyimide containing imidazolyl is obtained by copolycondensation under the presence of triethylamine and benzoic acid and the protection of nitrogen; a solution casting method and proton exchange are adopted to prepare non-covalent cross-linked sulfonated polyimide film containing imidazolyl which is then processed by methane-sulfonic acid/phosphorus pentoxide solution or phosphoric acid solution or polyphosphoric acid containing phosphorus petoxide so as to prepare the covalent-ion cross-linked film of sulfonated polyimide containing imidazolyl. The covalent-ion cross-linked film obtained by the preparation method has anti-free ...

Feed water pump seal water system with heating mode and pure condensing mode

Provided is a feed water pump seal water system with the heating mode and the pure condensing mode. The feed water pump seal water system with the heating mode and the pure condensing mode comprises a multi-level U-shaped seal water system and a condenser, and further comprises a feed water pump seal water inlet switching pipeline and a water feed pump seal water return switching pipeline, wherein the feed water pump seal water inlet switching pipeline comprises a neighbor machine condensed water inlet pipeline and a native machine feed water pump seal water inlet pipeline, and the water feed pump seal water return switching pipeline is arranged between the multi-level U-shaped seal water system and the condenser, and comprises a heating period water return pipeline and a non-heating period water return pipeline. Compared with the prior art, the feed water pump seal water system with the heating mode and the pure condensing mode has the advantages that the temperature of feed water pump ...

Vertical adjusting device for casing thread making

The utility model discloses a vertical adjusting device for casing thread making. The cutting machine is always perpendicular to the axis of the sleeve in the operation process; the problem of high operation difficulty in the prior art is solved; the device comprises a pair of semicircular large-diameter plates, a large-diameter plate I and a large-diameter plate II, the large-diameter plate I andthe large-diameter plate II are fixedly connected with a semi-circular small-diameter plate I and a semi-circular small-diameter plate II through spoke plates respectively; jackscrews penetrate through the large-diameter plate I and the small-diameter plate I; a jackscrew penetrates through the large-diameter plate II and the small-diameter plate II, a triangular gauge is movably arranged on theupper end faces of the small-diameter plate I and the small-diameter plate II, a supporting plate is fixedly arranged on the upper end faces of the large-diameter plate I and the large-diameter plateII, ...

Anti -surge line heat sink for ice maker

The utility model relates to an anti -surge line heat sink for ice maker, including the anti -surge line of connecting compressor gas exports, be equipped with the anti -surge valve on the anti -surge line, the gas exports of the gaseous phase entry linkage entry knockout drum of compressor, its characterized in that the exit linkage cooler of anti -surge line, the cooler is in including jar body and setting the internal redistributor of jar, redistributor's entry linkage the anti -surge line, the bottom entry of the jar body is through the liquid phase pipe connection the bottom export of entry knockout drum, the top exit linkage of the jar body the gaseous phase entry pipeline of entry knockout drum, furthermore, jar position in the below of entry knockout drum. The utility model discloses compressor -running is stable and can avoid the liquid level acutely undulant, prevents compressor jump car, reduces economic loss.

Mud automatic clearing apparatus is floated to buoyancy formula

The utility model relates to a mud automatic clearing apparatus is floated to buoyancy formula. This mud automatic clearing apparatus is floated to buoyancy formula includes: mud collection device is floated to the buoyancy formula of installing in the pond, what be located pond top is used for fixing a position the fixing device that mud collection device is floated to the buoyancy formula, install the row's mud device that floats mud collection device below in the buoyancy formula, the buoyancy formula float mud collection device including open have a mudhole float the mud collector, connect and lie in the totally -enclosed cavity floater that floats mud collector below, wear to locate the first mud pipe in the totally -enclosed cavity floater, lie in the balancing weight of first mud pipe bottom. The utility model discloses, simple structure, design science, integrated into one piece, on -the -spot installation is simple and easy, small, the investment economizes, need not on dutyly ...

Driver status estimation system based on vehicle mounted sensor network

The invention provides a driver state evaluation system based on an onboard sensor network which comprises a vehicle running state evaluation sensor network, a vehicle driving state evaluation sensor network and a driver physical quality real-time evaluation sensor network. The invention enhances monitoring strength of safety driving, reduces occurrences of traffic accidents and ensures safety and smoothness of road by evaluating driving behavior and physical quality of a driver before driving and during driving.

Conducting wire great current impact test method

The invention relates to a conducting wire high-current impact test method, suitable for the investigation variation instance of sigma0.2 (extension strength when the non- proportionality extension rate is 0.2%) after the copper conductor is subjected to impact of high-current. The invention has main technical points of using a time relay to control the energized time (the control precision is 0.01s), thereby resolving the control problem of the energized time; accurately calculating the energized electric current intensity, by accurately measuring the conducting wire resistor and energized voltage; completely simulating the operating environment of the transformer by placing a tested copper conductor in the constant temperature oil bath test box. The present invention possesses the beneficial effects of providing dependable criterion for investigating the variation of mechanical energy, electric property and the like parameters after the copper conductor is subjected to impact of high-current ...

Etching device

The invention discloses an etching device, comprising a reaction chamber, wherein a lower electrode is arranged inside the reaction chamber; the lateral lower side of the reaction chamber is connected with an aspirating chamber; the side wall on the lower part of the reaction chamber is provided with an annular protrusion; an annular gas channel is formed between the annular protrusion and the lower electrode; and gas in the reaction chamber can enter the aspirating chamber through the annular gas channel. During the process for processing a semiconductor, chemical reaction velocities generated by a reactive group and the surface of an etched wafer have smaller difference, reaction products are distributed evenly, and both the etching velocity and the etching pattern have good evenness. Meanwhile, because the etching device adopts a lateral lower exhaust mode, the problem of deficient maintenance space for a lower exhaust type etching device can be effectively solved.

Antigravity shear-resisting and deformation-eliminating centerless grinding apparatus and machining method

Disclosed are an antigravity shear-resisting and deformation-eliminating centerless grinding apparatus and a machining method. The grinding apparatus comprises a grinding tool configured to grind a thin-walled bearing ring and a clamping mechanism configured to clamp the thin-walled bearing ring stably. The clamping mechanism comprises a main clamping mechanism and an auxiliary clamping mechanism. The main clamping mechanism comprises an electromagnetic centerless clamp. The electromagnetic coil is arranged above the thin-walled bearing ring being ground. According to the present invention, not only can gravity of the thin-walled bearing ring and a tangential force generated by grinding be counteracted to effectively prevent extrusion deformation of the thin-walled bearing ring when being ground, but also the lubricating performance the capacity to resist load itself can be further improved and the service life of is prolonged.

GARDEN TOOL AND CONTROL METHOD THEREOF

The invention provides a hand-push garden tool and a control method thereof. The hand-push garden tool comprises a main body, wheel and a handle assembly. The wheels are mounted on the main body, the handle assembly is mounted on the main body. The handle assembly comprises a handle, a first control rod and a second control rod. The first control rod is mounted on the handle and can rotate relative to the handle, the second control rod is mounted on the handle and can rotate relative to the handle, and the first control rod and the second control rod are coaxially arranged. The first control rod and the second control rod of the hand-push garden tool can coaxially rotate and cannot affect each other, the garden tool is convenient, beautiful and clean and tidy, and design spaces are saved. 1. A hand-push garden tool , which includes:a main body,a wheel installed on the main body, anda handle assembly installed on the main body, the handle assembly including a handle, a first control rod installed on the handle that is rotatable with respect to the handle and a second control rod that is installed on the handle and is rotatable with respect to the handle, characterized in that the first control rod and the second control rod rotate along the same axis.2. The hand-push garden tool according to claim 1 , wherein the handle includes a first arm portion inclining upward and extending backward claim 1 , and a second arm portion parallel to and spaced from the first arm portion and a connecting portion connecting the first arm portion and the second arm portion claim 1 , the connecting portion is substantially parallel to the horizontal plane claim 1 , and the first control rod and the second control rod are separately disposed on the upper and lower sides of the connecting portion.3. The hand-push garden tool according to claim 2 , wherein the handle assembly further comprises a first control box mounted on the first arm portion and a second control box mounted on the ...

Method for preparing graphene oxide/white carbon black/rubber nanocomposite material

A method for preparing a graphene oxide/white carbon black/rubber nanocomposite material is described. The prepared graphene oxide/white carbon black/rubber nanocomposite material contains nanoscale graphene oxide and white carbon black that are highly dispersed. The nanocomposite material has a relatively high modulus, excellent wear resistance and tear resistance, a relatively low rolling resistance, and at the same time has a low air-permeability and excellent self-healing capability.

PREVENTING DNS CACHE POISONING

The present disclosure provides a method and a device for preventing DNS cache poisoning. According to an example of the method, a preventing equipment may forward a first DNS query request packet sent by a DNS server to a first authoritative DNS server. The preventing equipment may construct a second DNS query request packet including the target domain name and send the second DNS query request packet to a second authoritative DNS server when a first DNS reply packet received for the first DNS query request packet indicates a DNS cache poisoning attack occurs. When a second DNS reply packet received for the second DNS query request packet indicates no DNS cache poisoning attack occurs, the preventing equipment may generate a final DNS reply packet according to the second DNS reply packet and feed back the final DNS reply packet to the DNS server. 1. A method of preventing Domain Name System (DNS) cache poisoning , comprising:forwarding, by a preventing equipment, a first DNS query request packet sent by a DNS server to a first authoritative DNS server, wherein the first DNS query request packet includes a target domain name requested to be resolved;constructing, by the preventing equipment, a second DNS query request packet including the target domain name when a first DNS reply packet received for the first DNS query request packet indicates a DNS cache poisoning attack occurs;sending, by the preventing equipment, the second DNS query request packet to a second authoritative DNS server, wherein the second authoritative DNS server is different from the first authoritative DNS server and has a same mapping relation between domain name and Internet Protocol (IP) address with the first authoritative DNS server;generating, by the preventing equipment, a final DNS reply packet according to a second DNS reply packet when the second DNS reply packet received for the second DNS query request packet indicates no DNS cache poisoning attack occurs, wherein the second DNS ...

SYSTEMS AND METHODS FOR TEAM COOPERATION WITH REAL-TIME RECORDING AND TRANSCRIPTION OF CONVERSATIONS AND/OR SPEECHES

Methods and systems for team cooperation with real-time recording of one or more moment-associating elements. For example, a method includes: delivering, in response to an instruction, an invitation to each member of one or more members associated with a workspace; granting, in response to acceptance of the invitation by one or more subscribers of the one or more members, subscription permission to the one or more subscribers; receiving the one or more moment-associating elements; transforming the one or more moment-associating elements into one or more pieces of moment-associating information; and transmitting at least one piece of the one or more pieces of moment-associating information to the one or more subscribers. 1. A computer-implemented method for team cooperation with real-time recording of one or more moment-associating elements , the method comprising:delivering, in response to an instruction, an invitation to each member of one or more members associated with a workspace;granting, in response to acceptance of the invitation by one or more subscribers of the one or more members, subscription permission to the one or more subscribers;receiving the one or more moment-associating elements;transforming the one or more moment-associating elements into one or more pieces of moment-associating information; andtransmitting at least one piece of the one or more pieces of moment-associating information to the one or more subscribers; segmenting the one or more moment-associating elements into a plurality of moment-associating segments;', 'assigning a segment speaker for each segment of the plurality of moment-associating segments;', 'transcribing the plurality of moment-associating segments into a plurality of transcribed segments; and', 'generating the one or more pieces of moment-associating information based at least in part on the plurality of transcribed segments and the segment speaker assigned for each segment of the plurality of moment-associating segments ...

Method for preparing a graphene oxide/carbon white/rubber nanometer composite material

Non-contact service providing systems

A service providing system comprising a server device, a terminal device, and a service providing device in combination with an optical wireless tag device to achieve transmitting of ID, password, or other service information stored in the service providing device in a non-contact and non-broadcasting manner, thus enabling highly secured and reliable services.

Pleasure boat and bumper car

The present invention relates to a pleasure boat, which comprises a base, an electric drive assembly and a manual drive assembly and a steering assembly that are all mounted on the base, a propeller connected to the output end of the electric drive assembly, and a water wheel connected to the output end of the manual drive assembly; the steering assembly comprises a slewing support and a fixed shaft mounted on the base, a first steering wheel rotatably mounted on the base, a first rotating rod connected to the first steering wheel, a first connecting rod connected to the first rotating rod, a chute block fixed on the base, a sliding block slidably mounted on the chute block, a swinging rod fixedly connected to the sliding block, a swinging block connected to the swinging rod, a first steering gear fixedly connected to the swinging block, a second steering gear meshing with the first steering gear, a rotating shaft rotatably mounted on the slewing support, a hydraulic cylinder fixedly connected to the rotating shaft, and a steering plate fixedly connected to the output end of the hydraulic cylinder. The present invention also relates to a bumper car. The present invention belongs to the technical field of amusement facilities.

An amusement device with air rotating cup

Provided is an amusement apparatus with in-air spinning cups. The amusement apparatus comprises a support (1), a top plate (2) rotatably mounted on the support (1), a driving mechanism for driving the spinning of the top plate (2), a plurality of revolution arms (3) that are uniformly distributed in a circumferential direction and are all fixed on the top plate, lifting arms (6) rotatably mounted on the revolution arms (3), cabins (8) mounted on the lifting arms (6), and hydraulic systems provided with hydraulic cylinders (5), wherein one end of each of the hydraulic cylinders (5) is fixed on the respective revolution arm (3), and the other end of each of the hydraulic cylinders (5) is hinged to the respective lifting arm (6). According to the amusement apparatus, by setting an amusement environment of spinning cups to be in the air, revolution and rotation motions of the cabins and lifting motions of the cabins can be completed, thereby increasing the excitement and strengthening the hands-on awareness.

Active ingredients preparation and single compound purification from traditional chinese herbal medicine fructus trichosanthis and uses thereof

Disclosed are an extract from traditional Chinese herbal medicine Trichosanthes with the activity of increasing globin gene expression and a composition comprising the extract. A method for preparing the extract and use thereof in treating disorders related to globing gene expression are also provided.

Coupling isoelectric focusing-based fractionation with mass spectrometry analysis

The present invention generally pertains to methods of characterizing charge variants of a protein of interest. In particular, the present invention pertains to the use of desalting size exclusion chromatography-reduced peptide mapping mass spectrometry to identify charge variants separated by capillary isolectric focusing.

含有聚碳矽烷和水合矽膠之用於ｌｅｄ密封劑可固化組成物

本發明提供一種可固化組成物，包含：(A)至少一種下式(1)代表之聚碳矽烷A：[R1R2 R3SiX1/2]M[R4R5SiX2/2]D[R6SiX3/2]T[SiX4/2]Q (1)，其中R1、R2、R3、R4、R5和R6各獨立地指定為甲基、乙基、乙烯基或苯基，其條件為各分子含有至少2個乙烯基；各X獨立地指定為雙價C2H4羥基或亞苯基；以及M、D、T和Q各自代表範圍從0至小於1之數目，其假設M+D+T+Q為1，(B)至少一種下式(2)代表之有機聚矽氧烷B：[R7R8 R9SiO1/2]M’[R10R11SiO2/2]D’[R12SiO3/2]T’[SiO4/2]Q’, (2)，其中R7、R8、R9、R10、R11和R12各獨立地指定為甲基、乙基、乙烯基、苯基或氫，其條件為各分子含有至少2個直接鍵結至矽之氫原子；以及M’、D’、T’和Q’各自代表範圍從0至小於1之數目，其假設M’+D’+T’+Q’為1，以及(C)至少一種催化劑，以及藉由加熱該組成物所獲得之經固化產品，以及使用該組成物作為半導體封裝材料及/或電子元件包裝材料。

Systems and methods for automatic joining as a virtual meeting participant for transcription

Method, system, device, and non-transitory computer-readable medium for joining a virtual participant in a conversation. In some examples, a computer-implemented method includes: identifying a first conversation scheduled to be participated by a first group of actual participants; joining a first virtual participant into the first conversation; obtaining, via the first virtual participant, a first set of audio data associated with the first conversation while the first conversation occurs; transcribing, via the first virtual participant, the first set of audio data into a first set of text data while the first conversation occurs; and presenting the first set of text data to the first group of actual participants while the first conversation occurs.

Coupling isoelectric focusing-based fractionation with mass spectrometry analysis

Systems and methods for capturing, processing, and rendering one or more context-aware moment-associating elements

Computer-implemented method and system for receiving and processing one or more moment-associating elements. For example, the computer-implemented method includes receiving the one or more moment-associating elements, transforming the one or more moment-associating elements into one or more pieces of moment-associating information, and transmitting at least one piece of the one or more pieces of moment-associating information. The transforming the one or more moment-associating elements into one or more pieces of moment-associating information includes segmenting the one or more moment-associating elements into a plurality of moment-associating segments, assigning a segment speaker for each segment of the plurality of moment-associating segments, transcribing the plurality of moment-associating segments into a plurality of transcribed segments, and generating the one or more pieces of moment-associating information based on at least the plurality of transcribed segments and the segment speaker assigned for each segment of the plurality of moment-associating segments.

乙烯基碳化矽氧烷樹脂

本發明係關於一種乙烯基碳化矽氧烷樹脂，其係1,3,5,7-四乙烯基-1,3,5,7-四甲基環四矽氧烷與在矽氫化反應中對乙烯基具有反應性之兩個末端Si-H氫之氫封端線型聚矽氧烷、矽氧烷或矽烷在鉑觸媒存在下之矽氫化反應產物。合適氫封端線型聚矽氧烷、矽氧烷及矽烷包括具有以下結構之彼等物：□在另一實施例中，該乙烯基碳化矽氧烷樹脂可與一或多種其他氫-矽烷及氫-聚矽氧烷在鉑觸媒存在下反應以形成可固化組合物。

Train traction cutting and control system and method in the case of emergency braking

Provided are a train traction cutting-out and control system and method in the case of emergency braking. When emergency braking is applied, coils of a first relay (K1) and a second relay (K2) are simultaneously powered off. An auxiliary contact of the first relay (K1) is opened, a traction pulse of a traction converter is blocked, and an output of a traction force of the traction converter is cut off, so that a traction cutting-out function is achieved, wherein the safety level of the traction cutting-out function is SIL2; in addition, an auxiliary contact of the second relay (K2) is opened, a coil of a contactor module is powered off, a main contact of the contactor module is opened, an input power source of a main circuit of the traction converter is opened, and an output of a traction force of the traction converter is cut off, so that a traction cutting-out function is achieved, wherein the safety level of the traction cutting-out function is SIL1. The traction cutting-out function of which the safety level is SIL2 and the traction cutting-out function of which the safety level is SIL1 are simultaneously achieved, so that the entire train achieves the safety requirements of the traction cutting-out level SIL3 in the case of emergency braking.

Light emitting diode display with tilted peak emission pattern

Systems and methods for capturing, processing, and rendering one or more context-aware moment-associating elements

Computer-implemented method and system for receiving and processing one or more moment-associating elements. For example, the computer-implemented method includes receiving the one or more moment-associating elements, transforming the one or more moment-associating elements into one or more pieces of moment-associating information, and transmitting at least one piece of the one or more pieces of moment-associating information. The transforming the one or more moment-associating elements into one or more pieces of moment-associating information includes segmenting the one or more moment-associating elements into a plurality of moment-associating segments, assigning a segment speaker for each segment of the plurality of moment-associating segments, transcribing the plurality of moment-associating segments into a plurality of transcribed segments, and generating the one or more pieces of moment-associating information based on at least the plurality of transcribed segments and the segment speaker assigned for each segment of the plurality of moment-associating segments.

Systems and methods for processing and presenting conversations

A system for processing and presenting a conversation includes a sensor, a processor, and a presenter. The sensor is configured to capture an audio-form conversation. The processor is configured to automatically transform the audio-form conversation into a transformed conversation. The transformed conversation includes a synchronized text, wherein the synchronized text is synchronized with the audio-form conversation. The presenter is configured to present the transformed conversation including the synchronized text and the audio-form conversation. The presenter is further configured to present the transformed conversation to be navigable, searchable, assignable, editable, and shareable.

Train traction cutting and control system and method in the case of emergency braking

組裝式電磁器件

Systems and methods for processing and presenting conversations

A system for processing and presenting a conversation includes a sensor, a processor, and a presenter. The sensor is configured to capture an audio-form conversation. The processor is configured to automatically transform the audio-form conversation into a transformed conversation. The transformed conversation includes a synchronized text, wherein the synchronized text is synchronized with the audio-form conversation. The presenter is configured to present the transformed conversation including the synchronized text and the audio-form conversation. The presenter is further configured to present the transformed conversation to be navigable, searchable, assignable, editable, and shareable.

Módulo fotovoltaico de placas con diodos de derivación

Un módulo fotovoltaico de placas con diodos de derivación, que comprende una primera región, una segunda región, una tercera región y una cuarta región, en la que las cuatro regiones están dispuestas en forma de cuatro cuadrados; cada región incluye una pluralidad de cadenas de células solares que consisten en células solares de silicio cristalino o células de sección solar de silicio cristalino superpuestas de un extremo a otro; todas las cadenas de células de cada región están conectadas en paralelo; y los electrodos positivos de las cadenas de células en cada región están conectados entre sí, y los electrodos negativos de las cadenas de células en cada región están conectados entre sí; el electrodo positivo de las cadenas de células en la primera región sirve como electrodo positivo de todo el módulo, y el electrodo negativo de las cadenas de células en la primera región se comunica con los electrodos positivos de las cadenas de células en la segunda región; los electrodos negativos de las cadenas de células en la segunda región se comunican con los electrodos positivos de las cadenas de células en la tercera región; los electrodos negativos de las cadenas de células en la tercera región se comunican con los electrodos positivos de las cadenas de células en la cuarta región; y los electrodos negativos de las cadenas de células en la cuarta región sirven como electrodo negativo de todo el módulo; caracterizado por que: un diodo de derivación D1 está dispuesto entre los electrodos positivos de las cadenas de células en la primera región y los electrodos negativos de las cadenas de células en la segunda región, un electrodo positivo del diodo de derivación D1 está conectado con los electrodos negativos de las cadenas de células en la segunda región, y un electrodo negativo del diodo de derivación D1 está conectado con los electrodos positivos de las cadenas de células en la primera región; un diodo de derivación D2 está dispuesto entre los electrodos positivos de ...

電子器件封裝盒及電磁器件

Acoplamiento de fraccionamiento basado en enfoque isoeléctrico con análisis de espectrometría de masas

La presente invención se refiere generalmente a métodos de caracterización de variantes de carga de una proteína de interés. En particular, la presente invención se refiere al uso de cromatografía de exclusión por tamaño de desalación-espectrometría de masas de mapeo peptídico reducido para identificar variantes de carga separadas por enfoque isoeléctrico capilar.

Coupling isoelectric focusing-based fractionation with mass spectrometry analysis

The present invention generally pertains to methods of characterizing charge variants of a protein of interest. In particular, the present invention pertains to the use of desalting size exclusion chromatography-reduced peptide mapping mass spectrometry to identify charge variants separated by capillary isolectric focusing.

Acoplamento de fracionamento à base de focalização isoelétrica com análise de espectrometria de massa

acoplamento de fracionamento à base de focalização isoelétrica com análise de espectrometria de massa. a presente invenção refere-se a métodos de particularização de variantes de carga de uma proteína de interesse. em particular, a presente invenção refere-se ao uso de cromatografia de exclusão por tamanho de dessalinização-espectrometria de massa com mapeamento de peptídeos reduzido para identificar variantes de carga separadas por focalização isoelétrica capilar.

Coupling isoelectric focusing-based fractionation with mass spectrometry analysis

The present invention generally pertains to methods of characterizing charge variants of a protein of interest. In particular, the present invention pertains to the use of desalting size exclusion chromatography-reduced peptide mapping mass spectrometry to identify charge variants separated by capillary isolectric focusing.

Asymmetrical flow field-flow fractionation with mass spectrometry for biomacromolecule analysis

The present inventions provide new and improved systems and methods combining asymmetrical flow field-flow fractionation (A4F, and also referred to as AF4) and mass spectrometry (MS) in order to analyze for biomacromolecules, including but not limited to Fc-antibodies, antibody fragments, fusion proteins, Fc-fusion proteins, receptor Fc-fusion proteins, trap proteins and mini-trap proteins. Nanoparticles also can be analyzed.

Asymmetrical flow field-flow fractionation with mass spectrometry for biomacromolecule analysis

The present inventions provide new and improved systems and methods combining asymmetrical flow field-flow fractionation (A4F, and also referred to as AF4) and mass spectrometry (MS) in order to analyze for biomacromolecules, including but not limited to Fc-antibodies, antibody fragments, fusion proteins, Fc- fusion proteins, receptor Fc-fusion proteins, trap proteins and mini-trap proteins. Nanoparticles also can be analyzed.

Systems and methods for team cooperation with real-time recording and transcription of conversations and/or speeches

Methods and systems for team cooperation with real-time recording of one or more moment-associating elements. For example, a method includes: delivering, in response to an instruction, an invitation to each member of one or more members associated with a workspace; granting, in response to acceptance of the invitation by one or more subscribers of the one or more members, subscription permission to the one or more subscribers; receiving the one or more moment-associating elements; transforming the one or more moment-associating elements into one or more pieces of moment-associating information; and transmitting at least one piece of the one or more pieces of moment-associating information to the one or more subscribers.

Garden tool and control method thereof

Bulk order management

A method includes creating a bulk order. The bulk order includes a plurality of action sets. Each action set represents a set of changes to a plurality of assets, and the bulk order represents, for a plurality of accounts, a plurality of services and assets. The method also includes validating the bulk order. The validating includes verifying a validity of a user name, which includes a validity of an association between the user name and the account and a validity of an association between the user name and the service. The validating also includes verifying the action set obeys a constraint of the product. The method also includes submitting the bulk order for execution of the set of changes. The submitting includes preparing the action set, executing the set of changes and changing a status of the bulk orders header to indicate a completion of the bulk order.