太阳能驱鼠器

动物驱赶器（太阳能驱鼠器）

PHENOLIC RESIN COMPOSITION, FOAM MATERIAL PREPARED THEREWITH AND PREPARATION METHOD THEREOF AND MOLDING MATERIAL PREPARED THEREBY

The present invention relates to a phenolic resin composition and foam material prepared therewith, the phenolic resin composition of the present invention comprising solid phenolic resin and foam resin beads, the foam basic resin employed by the foam resin beads being resin having a thermal deformation temperature of more than 90℃ under a load of 0.45 MPa. The composition does not have a short storage problem. The foam material of the present invention comprises a cross-linked phenolic resin substrate and foam resin beads dispersed therein, and is prepared with the phenolic resin composition. The foam material has low heat conduction coefficient and excellent flame retardant property. The molding material prepared from the foam material of the present invention can be used as fire-proof heat preservation material, acoustic insulation material, damping material, wood imitation material and the like.

Synchronous early warning method and system for discharging safety of power battery

The invention discloses a synchronous early warning method and system for discharging safety of a power battery, and relates to the technical field of power batteries, and the method comprises the steps: obtaining the battery assembly information of a target power battery; configuring a thermal management area in the battery thermal management system based on the battery pole piece element, the battery diaphragm element and the battery structure element; carrying out a discharge test, and outputting discharge test data; analyzing the battery heat in the discharge test process to obtain heat change data; performing curve synchronous fitting on the discharge test data and the heat change data to generate a synchronous fitting curve; performing safety deviation degree identification according to the synchronous fitting curve, and outputting an identification result; and generating synchronous early warning information according to an identification result. The technical problems that in the ...

MESSAGE PROCESSING

Disclosed is a message processing method and apparatus, applied to a network device. The method comprises: receiving a first message; after the first message successively passes basic detection, determining the number of second messages received in a preset duration, wherein message information of the second message is the same as first message information of the first message; determining whether the number of received second messages is greater than a preset number threshold; if so, eliminating a first table item in a fast forwarding table, wherein the first table item comprises second message information of the first message; and performing attack detection on the first message. Using the technical solution provided by the embodiments of the present application effectively reduces security risks existing in a network device.

Base paint emulsion for high-water-resistance and high-weather-resistance multicolor paint and preparation method of base paint emulsion

The invention provides a base paint emulsion for a high-water-resistance and high-weather-resistance multicolor coating and a preparation method of the base paint emulsion, and solves the technical problems of poor water resistance, weather resistance and stability of a base paint emulsion for a high-water-resistance and high-weather-resistance multicolor coating in the prior art. The invention relates to a water-based adhesive, which is prepared from the following ingredients in parts by weight: 5 to 10 parts of acrylic hydrophilic monomers, 270 to 380 parts of butyl acrylate, 310 to 450 parts of 2-ethylhexyl acrylate, 70 to 100 parts of potassium silicate, 195 to 330 parts of silica sol, 3 to 10 parts of silane coupling agents, 1 to 3 parts of silicate stabilizers, 900 to 1200 parts of water, 1 to 3.5 parts of reactive emulsifiers, 2 to 6 parts of initiators, 3 to 5 parts of oxidizing agents, 2 to 5 parts of reducing agents and 2 to 5 parts of defoaming agents. The paint has the advantages ...

MODIFIED RUBBER MASTERBATCH, RUBBER COMPOSITION PREPARED THEREWITH AND VULCANIZED RUBBER AND PREPARATION METHOD THEREOF

A modified rubber masterbatch and preparation method thereof, rubber composition prepared therewith and vulcanized rubber and preparation method thereof, the modified rubber components comprising uncross-linked rubber and cross-linked rubber particles dispersed therein; the cross-linked rubber particles are synthetic rubber particles and/or natural rubber particles, with an average particle diameter of 20-500nm, and gel content of 60% by weight or above; the uncross-linked rubber is styrene butadiene rubber; and the weight ratio between the cross-linked rubber particles and the uncross-linked rubber is greater than 20:80 and less than or equal to 80:20. The rubber composition comprises a blend of modified rubber components and base rubber, with the base rubber 100 parts by weight and the modified rubber components 1-70 parts by weight. The vulcanized rubber of the rubber composition has low rolling resistance, excellent wet-skid resistance and excellent wear resistance, and can be used ...

Wear-resistant plastic gear and use method thereof

The invention discloses a wear-resistant plastic gear and a using method thereof, and belongs to the technical field of plastic gears. Comprising a gear and a plurality of groups of gear blocks connected outside the gear; the receding structures are arranged on the two sides of the tooth blocks and used for reserving receding space for meshing between the tooth blocks when the shaft rod deforms and deviates. According to the gear shaft, through the arrangement of the receding structure, the gear blocks are protected and buffered through the buffer gaskets, meanwhile, when the meshing force between the gear blocks is increased, receding space can be reserved for meshing of the gear blocks, the gear blocks can be effectively protected, and therefore the problem that when the gear shaft deforms or deviates, the gear shaft cannot be meshed with the gear block is effectively solved. The problems that the meshing force between gears is easily increased, gear blocks are excessively abraded, when ...

MODULAR TELEVISION AND SCREEN END UPGRADE METHOD THEREFOR

Disclosed is a screen end upgrade method for a modular television. The screen end upgrade method comprises: when a screen end detects an upgrade instruction, the screen end sends an upgrade request to a card end; the card end acquires a configuration file in an external device according to the upgrade request, and sends the configuration file to the screen end; the screen end acquires the configuration file and matching upgrade requirement information in the upgrade instruction, and sends a file acquiring request to the card end according to the upgrade requirement information; the card end acquires a system file in the external device according to the file acquiring request, and sends the system file to the screen end; and the screen end performs upgrade according to the system file. Further disclosed is a modular television. In this way, in a case in which a screen end cannot directly use a hardware external interface, a method for mandatorily upgrading a conventional television is applied ...

METHOD AND DEVICE FOR ADJUSTING POINTING DIRECTION OF MICROPHONE ARRAY

The embodiments of the present invention provide a method and a device for adjusting the pointing direction of a microphone array. The method comprises: receiving multiple voice signals by means of a microphone array, the multiple voice signals being in one-to-one correspondence with multiple microphones in the microphone array; performing correlation analysis on at least two voice signals in the multiple voice signals; determining the sound source incident angle of the sound source to the microphone array according to the correlation analysis result and the difference of the propagation distances of the at least two voice signals; adjusting the direction of the main lobe of the microphone array according to the sound source incident angle, such that the main lobe points to the direction of the sound incident angle, so as to ensure the signal quality of the output call voice.

CONDUCTING POLYMER FIBER AND PREPARATION METHOD AND USE THEREOF

The present invention relates to a conducting polymer fiber, the fiber having an integrated conducting layer at at least a part of a surface thereof. Since the conducting layer of the present invention is integrated at a fiber core layer, the conducting polymer fiber has excellent bending resistance. A fabric having conducting polymer fiber of the present invention maintains conductance even after repeated washing and bending. The conducting polymer fiber of the present invention can be used for an anti-static electricity product, an electromagnetic shielding material or a stealth material.

Insect trapping and catching device for forestry planting

The invention relates to the technical field of forestry planting, and discloses an insect trapping and catching device for forestry planting, which comprises a support rod, a pesticide storage device is fixedly connected to the top of the support rod, a support column is fixedly connected to the top of the pesticide storage device, and a top plate is fixedly connected to the top of the support column. A solar cell panel and a battery are fixedly connected to the top of the top plate, a pesticide spraying device is fixedly connected to the pesticide storage device, a mosquito killing lamp is fixedly connected to the top of the pesticide storage device, and a terminal controller is fixedly connected to the bottom of the top plate. By arranging adjustable lamplight and using the combination of multiple kinds of lamplight, different pests can be attracted and caught at different time without replacing the lamplight, multiple kinds of attractants matched with the lamplight are arranged in the ...

SPIDER-SILK-LIKE POLYMER FIBER, PREPARATION METHOD THEREFOR AND USE THEREOF

The invention relates to a spider-silk-like polymer fiber in the technical field of chemical bionics, a preparation method therefor and the use thereof. The spider-silk-like polymer fiber comprises a matrix polymer and a particle additive dispersed therein, wherein the particles have an average particle size of 0.1-1000 microns, and the polymer fiber has a spider-silk-like microstructure comprising a fiber body and spaced spindle knot structural units on the fiber body, wherein the spindle knot structural units comprise the particles, and the radial height of the spindle knot structural units is greater than the diameter of the fiber body. The preparation method of the polymer fiber of the invention does not require greatly modifying the existing spinning processes, and the equipment does not need to be changed, the process is simple and the cost is low. The obtained spider-silk-like polymer fiber can realize the directional movement of water droplets on the surface of the fiber, thereby ...

SUPPORTED CATALYST AND ACTIVE FORM THEREOF, AND PREPARATION METHOD AND USE THEREOF

A supported catalyst and preparation method thereof, the catalyst comprising an organic polymer material carrier, and Raney alloy particles supported on the organic polymer material carrier; basically all of the Raney alloy grains are partially embedded in the organic polymer material carrier. The catalyst can be used in hydrogenation, dehydrogenation, amination, dehalogenation or desulfurization reactions.

CONTINUOUS OPERATION METHOD FOR MICROWAVE HIGH-TEMPERATURE PYROLYSIS OF SOLID MATERIAL COMPRISING ORGANIC MATTER

A continuous operation method for the microwave high-temperature pyrolysis of a solid material comprising an organic matter. The method comprises the following continuously performed steps: mixing a solid material containing an organic matter with a liquid organic medium; transferring the obtained mixture to a microwave field; and in the microwave field, continuously contacting the mixture with a strong wave absorption material in an inert atmosphere or in vacuum, wherein the strong wave absorption material continuously generates a high temperature under a microwave such that the solid material containing an organic matter and the liquid organic medium are continuously pyrolyzed to implement a continuous operation. The process is continuous and efficient, can be industrialized, and can obtain a product having components with high added values.

Inflation adjusting type acupuncture and massage rehabilitation device for orthopedics department

The invention discloses an orthopedic inflatable adjustable acupuncture and massage rehabilitation device which comprises a case, a positioning assembly and an air inlet assembly, an inflation box is fixedly connected to the top of the case, an air return box is fixedly connected to the position, located on one side of the inflation box, of the top of the case, and a first air return pipe is detachably connected to the top of the air return box; the air inlet pump is matched with the exhaust pump, the first air return pipe, the inflation pipe and the second air return pipe for use, the glass tank can be controlled to be adsorbed to the body of a patient under negative pressure, insertion and pulling out of an acupuncture needle can be adjusted, and meanwhile, the acupuncture needle can be conveniently taken out. Needles can be automatically clamped through the positioning assembly arranged in the connecting sleeve, the stability of acupuncture can be guaranteed, air can be fed into the ...

SEMICONDUCTOR WAFER MANUFACTURING DEVICE

The present invention relates to the field of semiconductor wafer manufacturing technologies. A semiconductor wafer manufacturing device comprises: at least two robot arms (1), at least one set of chemical and gas source distribution system (2), and multiple air circulation filter systems (3). The air circulation filter systems (3) are divided into a front region, an intermediate region, and a side region. The front region, the intermediate region, and the side region are controlled by the same motor enabling the regions to reach the homogeneous air volume and pressure. In the present invention, the air circulation filter systems are regionally controlled, so as to improve the cleanliness level of the inside the wafer manufacturing device. In addition, the present invention uses dual-section robot arms of multiple degrees of freedom, which achieves higher delivery efficiency. Moreover, the present invention uses a stable and homogeneous chemical gas and fluid distribution system, thereby ...

RUBBER COMPOSITION AND PREPARATION METHOD AND VULCANIZED RUBBER THEREOF

A rubber composition and preparation method and vulcanized rubber thereof, the rubber composition comprising non-cross-linked rubber and cross-linked rubber particles dispersed in the rubber composition; the cross-linked rubber particles can be synthetic rubber particles and/or natural rubber particles, e.g. any one or more of the following: natural rubber particles, styrene butadiene rubber particles, carboxylated styrene butadiene rubber particles, nitrile rubber particles, carboxylated nitrile rubber particles, chloroprene rubber particles, polybutadiene rubber particles, silicone rubber particles or acrylate rubber particles, butadiene-styrene-vinyl pyridine rubber particles and the like, with an average particle diameter of 20-500nm, and gel content of 60% by weight or above; the non-cross-linked rubber is styrene butadiene rubber; and the weight ratio between the cross-linked rubber particles and the non-cross-linked rubber is 1:99-20:80. The rubber composition is obtained by mixing ...

Insect pest prevention and control device for tobacco cultivation

The invention discloses an insect pest prevention and control device for tobacco cultivation in the field of agricultural devices.The insect pest prevention and control device comprises monitoring equipment, spraying equipment and trapping equipment, the monitoring equipment comprises an intelligent camera, the intelligent camera is in signal connection with a controller, the spraying equipment comprises a mounting plate, and a mixing box is fixedly connected to the mounting plate; a water pipe, a valve and a plurality of storage boxes are fixedly connected above the mixing box, and the storage boxes are communicated with the mixing box through the valve. Different pesticides are added into different storage boxes, the intelligent camera shoots the growth condition of tobacco to monitor tobacco seedlings, when the tobacco belongs to the seedling stage and the growth stage, the controller controls the spraying device to operate, the corresponding pesticides are used for spraying the tobacco ...

Automatic slurry dipping device for precision casting and use method of automatic slurry dipping device

The invention discloses an automatic slurry dipping device for precision casting and a using method of the automatic slurry dipping device. The conveying cavity is used for placing a model to be dipped with slurry, the conveying cavity is in sliding fit with the conveying track, and a cover plate is detachably mounted at the top of the conveying cavity; the grouting opening is formed in the center of the bottom of the conveying cavity and accommodates a model to be dipped with slurry; the air bag is mounted on the edge of the inner wall of the grouting opening and clamps a model to be dipped with slurry; the grouting cavity is located on the conveying rail, the two ends of the grouting cavity are provided with an inlet and an outlet through which the conveying cavity enters and exits, a through hole is formed in the center of the bottom of the grouting cavity, and the size of the through hole is matched with that of the grouting opening; a slurry tank; one end of the slurry pipe is communicated ...

LEFT AND RIGHT CHANNEL DETERMINING METHOD AND EARPHONE DEVICE

Embodiments of the present invention provide a left and right channel determining method and an earphone device. Two microphones are arranged on either side of a reference line of any earphone of an earphone device, sound signals collected by the two reference microphones at moments t and t + T are acquired on the basis of a delay T of the same reference sound source signal reaching the two microphones, a correlation of the sound signals collected by the two microphones at the different moments is calculated, a relative position of the earphone and an actual sound source is determined according to the corresponding correlation, and thereby a channel corresponding to the earphone is determined. In this way, a user does not need to manually distinguish left and right earphones during use, and channels corresponding to the earphones can be automatically determined, allowing the earphones to adopt corresponding processing methods to process left and right channel signals, thereby improving ...

Method for intelligently cleaning creditor's right and debt based on financial vouchers

The invention discloses a method for intelligently cleaning creditor and debt based on financial vouchers. The method comprises the following steps: step S10, collecting and cleaning the initial number of creditor and debt periods; step S20, collecting and cleaning incremental financial vouchers; step S30, financial voucher data sales; step S40, financial voucher data is cleared; step S50, after the current matching task is completed, recording a matching flow for the voucher hitting the matching rule; step S60, manual matching is completed in a manual check matching mode, and a matching flow and a log are recorded; step S70, creditor and debt risk early warning: through configuring different risk early warning rules and risk marking models, regularly batch creditor and debt data, marking risk points hit by the creditor and debt data, and according to different risk points, displaying different prompts on a machine account page; the method can completely replace the previous manual statistics ...

COMPOSITE CATALYST AND PREPARATION METHOD THEREFOR

Disclosed is a composite catalyst, comprising carbon in a continuous phase and Raney alloy particles in a dispersed phase. The Raney alloy particles are dispersed evenly or unevenly in the carbon in a continuous phase, and the carbon in a continuous phase is obtained by carbonizing at least one carbonizable organic substance. The catalyst has good particle strength, high catalytic activity, and good selectivity.

DEVICE AND APPLICATION THEREOF IN CELL IN-VITRO EXPERIMENT

The present invention provides a device and an application thereof in a cell in-vitro experiment. The device has a structure of a polydopamine layer, a carboxymethyl chitosan layer and a polypeptide layer, can adjust behaviors of pluripotent stem cells of a human, and can be used in cell culture or a cell in-vitro experiment.

ELECTRICALLY CONDUCTIVE, FULLY VULCANIZED, THERMOPLASTIC ELASTOMER AND PREPARATION METHOD THEREOF

An electrically conductive, fully vulcanized, thermoplastic elastomer and preparation method thereof. The fully vulcanized, thermoplastic elastomer is produced by a one-time melting and blending of cross-linking rubber particles having an average particle diameter of 0.02 to 1 μm, carbon nanotubes acting as the electrically conductive filler, and thermoplastic resin. The weight ratio of rubber particles to thermoplastic resin is 30:70 to 75:25; setting the total weight of rubber particles and thermoplastic resin as 100 units, the weight of the electrically conductive filler is 0.3 to 10 units. The electrically conductive, fully vulcanized, thermoplastic elastomer thus produced has low quantity of electrically conductive filler, and can be produced by conventional rubber and plastic processing methods. The elastomer can also be used as decorative material for electronic manufacturing devices, tools, electronic instruments, meter casings, and dust-free workshops that require being free of ...

DNA POLYMERASE WITH IMPROVED ENZYME ACTIVITY AND APPLICATION THEREOF

Provided are a Taq DNA polymerase with improved enzyme activity and an application thereof. Compared with the amino acid sequence shown in SEQ ID NO: 2, the DNA polymerase has at least one of the following mutation sites: E315K, E507R, E507H, E524K, L552R, D578N, E742R, E742K, A743R, A743K, K53S/E507K, K56N/E507K, K56S/E507K, K56T/E507K, K56Q/E524K, L245M/E524K, L245M/L552R E315K/S357C, K56Q/E507K, E57D/E507K, K56Q/E507R, K56T/E524K, E57D/E524K, E57D/E742R and L245M/E315K.

一种全硫化聚酰胺热塑性弹性体及其制备方法

... 本发明提供了一种橡胶相粒径不大于1μm的全硫化聚酰胺热塑性弹性体及其制备方法。用普通橡塑共混的方法将粒径不大于1μm的全硫化粉末橡胶和聚酰胺塑料共混，由此而制得橡胶相粒径小、拉伸强度及断裂伸长率高、外观好且具有良好加工成型性的全硫化聚酰胺热塑性弹性体。 ...

Method for preparing thorn-shaped sodium alginate fiber

The invention discloses a method for preparing thorn-shaped sodium alginate fibers. The method relates to the field of sodium alginate fiber biological materials. The method comprises the following steps: (1) adding methylene blue into a sodium alginate solution to prepare a mixed solution of sodium alginate and methylene blue; (2) injecting the mixed solution into a coagulating bath to prepare gel fibers; and (3) soaking and washing the gel fiber with absolute ethyl alcohol, and then drying to obtain the thorn-shaped sodium alginate fiber. The thorn-shaped sodium alginate fiber has the characteristics of high surface roughness, large specific surface area, high adsorption capacity, high loading effect and the like. The thorn-shaped sodium alginate fiber can be used for medical wound dressing.

POROUS COMPOSITE MATERIAL CAPABLE OF GENERATING ELECTRIC ARC IN MICROWAVE FIELD, PREPARATION METHOD THEREFOR, AND USE THEREOF

A porous composite material capable of generating an arc in a microwave field, preparation method therefor, and use thereof. The porous composite material comprises an inorganic porous framework and a carbon material loaded on the inorganic porous framework, wherein the average pore size of the inorganic porous framework is 0.2-1000 μm. The porous composite material has an excellent mechanical performance, can generate an arc in a microwave field to quickly generate a high temperature, and thus can be used in fields such as microwave high-temperature heating, biomass pyrolysis, vegetable oil treatment, waste polymer material pyrolysis, petrochemical pyrolysis, carbon-fiber composite material recovery, waste treatment, VOC waste gas treatment, COD wastewater treatment, high-temperature catalysis, waste circuit board full-component recycling, and hydrogen preparation.

Processing and mixing device for energy-saving and environment-friendly new materials

The invention discloses an energy-saving and environment-friendly new material processing and mixing device which comprises a mixing barrel, a barrel cover is fixedly mounted on the mixing barrel through a hasp, a second counterbore is formed in the barrel cover, a vibrating screen assembly is arranged in the second counterbore in a clamped mode, a vibrating block is mounted on the side of the mixing barrel, and a vibrating screen is arranged in the vibrating block. The vibration screening assembly comprises a fixing frame, raw materials are subjected to vibration screening before being poured into the mixing barrel, large-particle raw materials in the raw materials are filtered out, small-particle raw materials meeting the requirement enter the mixing barrel, various raw materials can be mixed more evenly, and the product quality is improved to a certain degree; water can be filtered before being poured into the mixing barrel and mixed with raw materials, impurities and peculiar smells ...

Sintering device and method for thick material layer stepping type sintering machine

The invention relates to a thick material layer stepping type sintering machine sintering device and method, and belongs to the field of iron and steel smelting. The sintering device comprises a sintering track, a sintering trolley, a material distribution mechanism, an igniter, a mixed gas injection mechanism and a tail trolley; the material distribution mechanism comprises a material distribution bin and a vibration exciter; the material distribution bin is obliquely and upwards installed above the sintering track in the running direction of the sintering trolley and used for distributing sintering materials to the sintering trolley in a stepless screening mode. An output port is formed in the lower side end of the material distribution bin and faces the sintering pallet; a plurality of screening grooves which are arranged in parallel are formed in the material distribution bin, and the screening grooves are communicated with the output port; the vibration exciter is used for providing ...

POLYMER/FILLER/METAL COMPOSITE FIBER AND PREPARATION METHOD THEREOF

The present invention relates to a polymer/filler/metal composite fiber, including polymer fiber containing metal short fiber and filler; the metal short fiber is distributed as a dispersed phase within the polymer fiber and is dispersed in parallel to the axis of the polymer fiber; the filler is dispersed within the polymer fiber and is distributed between the metal short fibers; the filler does not melt at the temperature at which the polymer fiber is processed; said metal is low melting-point metal, is selected to be at least one of single-component metal and metal alloy, has a melting point of 20～480℃, and, at the same time, the has a melting point which is lower than the polymer processing temperature; the metal short fiber and the polymer fiber have a volume ratio of 0.01∶100～20∶100; the filler and the polymer have a weight ratio of 0.1∶100～30∶100. The composite fiber of the present invention reduces volume resistivity, decreases the probability of broken strands, and has a smooth ...

Nanoscale fluorescent antibacterial high polymer material as well as preparation method and application thereof

The invention relates to a fluorescent antibacterial high polymer material and a preparation method and application thereof in the field of high polymer materials. The fluorescent antibacterial high polymer material is a maleic anhydride copolymer zinc salt derivative, and the particle size of the fluorescent antibacterial high polymer material is 10-800 nm, preferably 100-800 nm. The antibacterial rates of the fluorescent antibacterial high polymer material on escherichia coli and staphylococcus aureus are both greater than 99%. The fluorescent antibacterial high polymer material is prepared by fully reacting a maleic anhydride linear copolymer with an alkali metal hydroxide aqueous solution, and then adding a zinc salt aqueous solution with a stirring function in the form of liquid drops and/or liquid lines to fully react. The raw materials related to the fluorescent antibacterial high polymer material and articles used in the process are low in price, the preparation method is simple ...

Weeding compound containing (R)-2-[4-(6-chloroquinoline-2-yloxy) phenoxy] propionyl structure and preparation and application thereof

The invention discloses a compound containing an (R)-2-[4-(6-chloroquinoline-2-yloxy) phenoxy] propionyl structure. The structural general formula (I) of the compound is shown in the specification. A preparation method of the compound comprises the following steps: carrying out esterification or amidation reaction on a compound containing an alcoholic hydroxyl group, a thiol group or an amino group and (R)-2-[4-(6-chloroquinoline-2-yloxy) phenoxy] propionyl chloride in a solvent by taking the compound as a raw material; the weeding compound containing the aryloxy phenoxypropionyl structure is prepared; the compound has the advantages of novel structure, high herbicidal activity, simple preparation method, mild reaction conditions, short reaction process and the like.

Slurry spraying and air drying all-in-one machine for precision casting and using method thereof

The invention discloses a guniting and air drying all-in-one machine for precision casting and a using method thereof. The guniting and air drying all-in-one machine comprises an air supply pipe; the opening part is formed in the bottom of the air supply pipe; a hook; a cylinder; the storage tank is located at the top of the air cylinder, and a piston rod of the air cylinder extends into the storage tank from the center of the bottom of the storage tank; the bottom of the cylinder body is fixedly connected with the piston rod, and the top of the cylinder body is open and right faces the hook; the cover plate is fixedly connected to the top of the storage tank, and a window allowing the barrel to extend out is reserved in the center of the cover plate; the bottom one-way valve is mounted at the bottom of the barrel; the side face one-way valve is installed below the outer side wall. The pressurizing opening is formed in the cover plate; and the slurry spraying openings are uniformly distributed ...

POLAR MONOMER GRAFTED POLYPROPYLENE RESIN, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention relates to the field of polypropylene grafting modification, and provides a polar monomer grafted polypropylene resin, a preparation method therefor and an application thereof. According to the present invention, a grafted polypropylene resin is prepared by using microwave irradiation to perform grafting reaction on a polar monomer capable of absorbing microwave so as to raise the temperature of the grafted polypropylene resin in a microwave field to more than 200°C and a solid polypropylene resin without adding an initiator. According to the present invention, the polar grafted polypropylene resin that does not contain initiator residues and does not have a significant reduction in molecular mass compared with a resin before grafting is obtained. The present invention is simple in preparation process, easy to operate, simple in production device, low in costs, and easy for industrialization.

Low-melting-point dense forming method for large-segment bone defect implant

The invention relates to a low-melting-point dense forming method for a large-section bone defect implant, and belongs to the field of biomedical material forming. The low-melting-point dense forming method for the large-segment bone defect implant comprises the following steps of 1, grinding and refining, 2, ball-milling and dispersing and 3, electric spark sintering forming. The method has the beneficial effects that the electric spark sintering temperature is lower than the decomposition point of calcium sulfate, high-temperature heated decomposition of calcium sulfate is inhibited, the electric spark sintering time is short and short, and the defect that the structure of calcium sulfate is damaged due to long-time heating in a traditional smelting process is overcome; the method has the advantages of simple process, no obvious flowing of liquid-phase iron in the sintering process, elimination of the agglomeration problem of calcium sulfate due to density difference, pressure application ...

QPCR (quantitative polymerase chain reaction) amplification reaction liquid and application

The invention provides qPCR (quantitative polymerase chain reaction) amplification reaction liquid and application thereof, and belongs to the technical field of biology. One or more of bovine serum albumin, raffinose and dithiothreitol are added into the qPCR amplification reaction liquid to serve as additives, the amplification efficiency and sensitivity of a blood sample are improved, and the method has good compatibility for different amplification reaction systems.

Battery charging safety monitoring and early warning method and system

The invention relates to the technical field of data processing, and provides a battery charging safety monitoring and early warning method and system, and the method comprises the steps: reading and obtaining historical charging data, carrying out the regional state evaluation, dividing a plurality of monitoring regions, arranging a temperature collection sensor, and carrying out the collection to obtain a collection data set; acquiring environment temperature data, inputting the environment temperature data and historical charging data into the charging threshold analysis model, and outputting a multi-mode threshold analysis result; the method comprises the following steps: obtaining real-time charging mode data, matching to obtain a monitoring threshold value, carrying out temperature early warning evaluation, generating a temperature early warning evaluation result, and carrying out charging management, thereby solving the technical problems of incomplete monitoring of battery charging ...

Battery end capable of automatically identifying wireless charging

The invention provides an automatic identification wireless charging battery terminal, which is arranged in a vehicle and is characterized in that the battery terminal comprises the following modules: a BMS central control IC which has an identity identification code and is in butt joint with an external charging pile through a communication detection module; the communication detection module is used for checking whether the charging pile model is matched; the inner induction coil is used for inducing the electromagnetic field of the outer induction coil to generate alternating current output; the battery detection MCU is responsible for controlling and detecting whether the battery state is healthy and whether discharging and charging of the battery are allowed; the BMS central control IC is in control connection with the communication detection module, the inner induction coil and the battery detection MCU. The invention provides the battery end capable of automatically identifying wireless ...

一种全硫化聚烯烃热塑性弹性体及其制备方法

... 本发明提供了一种全硫化聚烯烃热塑性弹性体及其制备方法。用普通橡塑共混的方法将粒径不大于1μm的具有交联结构的橡胶粒子和聚烯烃塑料共混，由此而制得橡胶相的粒径及凝胶含量可控性好、机械性能良好的全硫化聚烯烃热塑性弹性体。该热塑性弹性体具有较高的白度值，易于制成浅色及其它色彩的制品。本发明的制备方法工艺简单、设备成本低、工艺条件易于控制、适用于工业化大批量生产的要求。 ...

Gas flow control method and device, electronic equipment and storage medium

The invention relates to a gas flow control method and device, electronic equipment and a storage medium, and relates to the field of flow control, the method comprises the following steps: obtaining a first inner diameter value of a first flow limiter, a second inner diameter value of a second flow limiter, a first target flow value and a second target flow value, determining a first preset relational expression group based on the first inner diameter value, determining a second preset relational expression group based on the second inner diameter value, determining a first pressure value based on the first preset relational expression group and the first target flow value, determining a second pressure value based on the second preset relational expression group and the second target flow value, and controlling a first pressure controller to act based on the first pressure value, and controlling the second pressure controller to act based on the second pressure value. According to the ...

Hot melting device for bottom sewing in woven bag production

The invention discloses a woven bag production bottom sewing hot melting device which comprises a fixed base, a vertical frame, a hot melting mechanism, a conveying table and a pressing mechanism, the conveying table comprises a table top, conveying belts, a conveying motor and roll shafts, the multiple evenly-distributed conveying belts are arranged on the surface of the table top, and the roll shafts rotationally connected are arranged at the two ends of the table top correspondingly; the conveying belt is located on the surfaces of the roller shafts and rotationally connected with the roller shafts, the surface of the conveying table is fixedly connected with a pressing mechanism, the pressing mechanism is located over the conveying belt, and the side wall of the conveying table is fixedly connected with a fixed base. The hot melting device is composed of the fixed base, the vertical frame, the hot melting mechanism, the conveying table and the material pressing mechanism, woven bags ...

EPOXY RESIN COMPOSITION AND ITS PREPARING METHOD

An epoxy resin composition and its preparing method are disclosed. The said composition is prepared by mixing the following components: 100 parts by weight of epoxy resin, 30-120 parts by weight of anhydride hardener and 1-45 parts by weight of butadiene-acrylonitrile rubber powder, wherein the composition does not comprise hardening accelerator. The composition has the properties of both high heat-resistance and high toughness, and is especially suitable for the fields requiring high heat-resistance such as circuit board, electronic packing, adhesive and insulation coating for electrical appliances.

Pressing plate assembly and assembly tool for high-pressure rotor end tooth lock ring blind cavity assembly

The invention discloses a pressing plate assembly and assembly tool for high-pressure rotor end tooth locking ring blind cavity assembly, and the assembly tool comprises a pressing plate which is used for pressing an end tooth locking ring to be assembled; a base is arranged on the pressing plate, a synchronous belt is arranged on the base, one side of the base is rotationally connected with a synchronous wheel assembly, and the synchronous wheel assembly can rotate in the circumferential direction of the synchronous belt; and an image acquisition unit is arranged on the synchronizing wheel assembly. The rotation of the image acquisition unit can observe the installation alignment condition in the blind cavity in real time, the visualization of the internal installation condition is realized, then the installation position of the part is adjusted according to the internal condition, the assembly position state can be accurately reflected in real time, an assembler can be accurately guided ...

Gas quantitative transfer system and method

The invention relates to a gas quantitative transfer system and method, and relates to the technical field of gas transfer, the gas quantitative transfer system comprises a first gas storage device, a quantitative loop assembly, a switching valve and a controller, a first gas inlet of the quantitative loop assembly is connected with the first gas storage device; a first gas outlet of the quantitative loop assembly is connected with a switching valve through a guide pipe, and the switching valve is used for being connected with gas extraction equipment or environment gas; the controller is electrically connected with the first gas storage equipment, the quantitative loop assembly, the switching valve and the gas extraction equipment, and the controller is set to control the switching valve to be communicated with environment gas after the operation duration of the gas extraction equipment reaches a first target duration and target gas of the first gas storage equipment enters the guide pipe ...

Self-adaptive switching and fusion method based on Bluetooth talkback and cloud talkback

The invention belongs to the technical field of wireless communication, and discloses an adaptive switching and fusion method based on Bluetooth talkback and cloud talkback, which comprises the following steps: creating a Mesh voice network; constructing a shadow chat network in the cloud network; detecting in-network states of all Mesh nodes in real time, and updating the in-network states of the Mesh nodes in a server in real time; when the Mesh node loses communication, other Mesh nodes which do not lose communication report communication loss information of the Mesh node to the server, and the other Mesh nodes which do not lose communication upload voice data of the node to the server at the same time; the server mixes the received voice data and issues the mixed voice data to the lost Mesh node; and the voice data between other Mesh nodes which are not lost in the Mesh network is still transmitted through the Mesh voice network. According to the method, the voice transmission channels ...

Rapid tree trunk smearing device and smearing method

The invention relates to a rapid tree trunk smearing device and method. Comprising a bottom plate, fixed trundles and universal trundles, the fixed trundles and the universal trundles are arranged on the two sides of the lower end of the bottom plate, limiting supporting plates are symmetrically arranged at the upper end of the bottom plate, a limiting top plate is arranged between the top ends of the limiting supporting plates, and a sliding frame is slidably arranged between the limiting supporting plates; a locking mechanism used for fixing the sliding frame is arranged between the inner side of the sliding frame and the opposite side of the limiting supporting plate, and a wrapping and smearing mechanism used for clamping the outer side of a trunk is arranged on the side, close to the trunk, of the sliding frame in use. A driving mechanism used for driving the coating and smearing mechanism to move up and down is arranged at the end, away from the coating and smearing mechanism, of ...

Chromatographic analysis pretreatment system for chemical experiment

According to the chromatographic analysis pretreatment system for the chemical experiment, the ten-way valve is used for sequentially switching four analysis flow paths, the number of components used in the four analysis flow paths is extremely small, the pretreatment space is compressed to the maximum extent, on the other hand, two-time water removal and two-time high-carbon component removal are effectively achieved in the limited space, and the efficiency is extremely high. Due to the fact that functions are highly integrated, the pretreatment system is convenient to carry, and the seemingly contradictory requirements of miniaturization and effectiveness of the chromatographic analysis pretreatment system are effectively met.

Multi-branched slump-retaining polyether water reducer synthesized by low-temperature method and preparation method of multi-branched slump-retaining polyether water reducer

The invention discloses a multi-branched slump-retaining polyether water reducer synthesized by a low-temperature method and a preparation method thereof, under the action of an initiation reduction system and a macromolecular chain transfer agent, a polyether monomer generates the multi-branched slump-retaining polyether water reducer with acrylic acid, hydroxyethyl acrylate and HPA in a low-temperature environment. Acrylic acid, hydroxyethyl acrylate, HPA and a polyether monomer are grafted on a maltodextrin framework, so that the dispersity, the water reducing effect and the slump retaining performance of the water reducing agent are comprehensively improved, and particularly, the applicability of the water reducing agent under the condition of high mud content of concrete is improved.

一种软质全硫化聚烯烃热塑性弹性体及其制备方法

A fully sulfurized soft thermoplastic polyolefin elastomer is prepared from rubber particles (0.02-1 micron) with cross-linking structure, hydrocarbon oil and polyolefin through fusing and mixing. Its advantages are low hardness, high whiteness and mechanical performance, and low cost.

Low surface tension type polycarboxylate superplasticizer and preparation method thereof

The invention discloses a low-surface-tension type polycarboxylic acid water reducer and a preparation method, and aims to provide a water reducer which is simple in structure, simple in preparation raw material, simple in preparation method and better in water reducing effect. Diethylene glycol monobutyl ether and maleic anhydride are used as reactants, and a low-surface-tension small monomer is generated under the action of a catalyst; and under the action of an initiator, a chain regulator and a reducing agent, carrying out polymerization reaction on the polycarboxylate superplasticizer, acrylic acid and a polyether monomer to obtain the low-surface tension type polycarboxylate superplasticizer.

Material conveying and transferring device

The invention relates to the technical field of conveying devices, in particular to a material conveying and transferring device which comprises a supporting plate, a poke rod, a limiting assembly and an extrusion assembly, when a coal cutter cuts coal, the coal falls on one side of the supporting plate along a material guide plate, multiple sets of scraping plates slide in the length direction of the supporting plate under driving of a driving unit, and the scraping plates are driven by a driving unit to rotate. In the process that the coal is conveyed by the scraping plate, the coal on one side is uniformly laid on the whole supporting plate by the poke rod, the blocky coal gradually gets close to the crushing block under the guidance of the poke rod, and if the blocky coal is in a soft state, the soft coal block is propped against the first crushing nail and then starts to be crushed and decomposed; and if the blocky coal material is in a hard state, the coal material is pushed to extrude ...

Ventilation system of B-type LNG fuel cabin vacant staying place

The invention discloses a ventilation system of a B-type LNG (Liquefied Natural Gas) fuel cabin space, which comprises a gas leakage detector and a pressure sensor, and the gas leakage detector and the pressure sensor are arranged in the space formed between an LNG fuel cabin and an outer cabin wall. An exhaust pipeline communicated with the inner side and the outer side of the outer-layer cabin wall penetrates through the outer-layer cabin wall and is connected with the outer-layer cabin wall in a sealed mode, an airtight electric butterfly valve used for opening and closing a channel between the space reserving position and the external atmosphere is arranged on the exhaust pipeline, and an anti-explosion exhaust fan is arranged on the side, connected with the external atmosphere, of the airtight electric butterfly valve. The anti-explosion exhaust fan, the airtight electric butterfly valve, the gas leakage detector and the pressure sensor are electrically connected with the PLC control ...

Degradable plastic composition as well as preparation method and application thereof

The invention relates to a degradable plastic composition in the technical field of high polymer materials, which comprises the following blended components in parts by weight: 100 parts of PBST resin, 1-60 parts of other blended degradable resin, 1-60 parts of organic filler and 1-60 parts of inorganic filler. The preparation process of the degradable plastic composition is simple and easy to implement, and industrial production is easy to realize. The degradable plastic composition disclosed by the invention has biodegradability, is relatively high in heat resistance and stiffness, does not cause pollution to the environment, and can replace an existing disposable non-degradable plastic product; the method can be used in the fields of food packaging and the like with high requirements on biodegradability.

Sleep quality monitoring and intervention management system and method

The invention discloses a management system and method for sleep quality monitoring and intervention, and the method comprises the steps: obtaining user information, matching an optimal sleep cycle through background data, and enabling the user information to comprise the age of a user and the gender of the user; obtaining a work and rest rule of the user, adjusting the optimal sleep cycle, and generating a reference sleep cycle; acquiring sleep time and wake-up time of the user, and generating an actual sleep cycle set Ts; elements in the actual sleep cycle set are screened, and a test sleep cycle set Tcs is obtained; calculating the interval time delta Tm of the test sleep cycle, and calculating the sleep coefficient of the user through a formula; and judging the sleep quality of the user in the current detection period according to the sleep coefficient of the user. Compared with the prior art, the accuracy of sleep quality evaluation is improved.

Green energy-saving building

The invention discloses a green energy-saving building. The green energy-saving building comprises a building body, a solar cell panel and a lifting driving mechanism. The solar cell panel is installed on the top of the building body. The lifting driving mechanism is in driving connection with the solar cell panel; the lifting driving mechanism drives the solar cell panel to ascend and descend, so that the solar cell panel and the top of the building body form an expansion space, or the solar cell panel is attached to the top of the building body. According to the green energy-saving building, on the basis that the solar cell panel is installed on the top of the building, the solar cell panel can be lifted according to needs, and therefore the utilization rate of the top space of the building is increased.

Chlorothiazole compound containing maleic acid structure as well as preparation method and application of chlorothiazole compound

A structural formula of a chlorothiazole compound containing a maleic acid structure is shown as a formula (I). A preparation method of the chlorothiazole compound comprises the following steps: taking chlorothiazole as a primer, and preparing a compound shown as a general formula (I) by using a primary amine-containing compound with antibacterial activity and maleic anhydride through an active substructure splicing method; the preparation method is simple, reaction conditions are mild, and the obtained compound is good in environmental compatibility, has relatively high biological activity on plant soil-borne diseases, shows an excellent prevention and treatment effect and provides material guarantee for safe production of crops.

Automatic dredging and dust collecting pressure relief system for titanium sponge production

The invention discloses an automatic dredging and dust collecting pressure relief system for titanium sponge production, which is characterized in that an exhaust port of an automatic pressure relief valve for a titanium sponge reactor is communicated with an air inlet channel of a negative pressure dust collecting box through a pressure relief pipeline; a horizontal cleaning rod is arranged in the pressure relief pipeline on the side corresponding to an exhaust port of the automatic pressure relief valve, a strip-shaped hole is formed in the side, horizontal to the horizontal cleaning rod, of the pressure relief pipeline, the horizontal cleaning rod is connected with an acting piece of an air cylinder through a connecting piece, and the air cylinder is fixed to the outer wall face, on the downstream of the strip-shaped hole, of the pressure relief pipeline. A plurality of communicated cavities are formed in the negative pressure dust collection box through a plurality of partition plates ...

Closed upper-row crucible refining furnace

The invention relates to the technical field of boilers, in particular to a closed upper-row crucible refining furnace which comprises a furnace shell, a steel beam support is arranged on the outer side of the furnace shell, lifting lugs on the outer side of the furnace shell are supported and fixed by the top of the steel beam support, a weighing sensor is installed at the position, below the lifting lugs, of the top of the steel beam support, and an auxiliary control system is connected to one side of the furnace shell. And a crucible is arranged in the furnace shell. According to the closed upper-row type crucible refining furnace, flux does not need to be added, the pressure gauge is installed to monitor the pressure in the furnace, and only 5 kPa protective argon needs to be introduced to keep the micro-positive pressure; a special deslagging pipe is used for deslagging every time before magnesium is discharged from the refining furnace, and the deslagging operation is simple, convenient ...

Novel filter and collect device

... 本实用新型提供一种新型过滤收集装置，包括过滤管和三通阀，所述过滤管包括管体、过滤材料和控温层，过滤材料设于管体内部，控温层包裹于管体外壁；过滤管的顶部和底部均连接有管路；所述过滤管为两个，二者通过顶部管路与三通阀连接；所述管体包括管壁、顶盖和底盖，顶盖和底盖分别可拆卸式连接于管壁的顶部和底部，采用不锈钢、玻璃或石英材料；所述过滤材料为石墨碳纤维毡。该过滤收集装置可有效避免腐蚀和堵塞，能够在高温下高效率、低阻力连续地收集纳米颗粒。 ...

Belt pressing device for fixing belt wheel

The utility model provides a belt pressing device for fixing a belt pulley, which comprises an upper guide pressing plate, a lower guide pressing plate, an adjusting wheel, a bearing, an adjusting block and an adjusting block displacement component, the upper guide pressing plate and the lower guide pressing plate are L-shaped and are arranged in a buckling mirror symmetry manner, and the adjusting wheel is arranged on the upper guide pressing plate. The belt pulley is fixed on the inner side of the same side wall of the belt pulley housing; one end of the adjusting block is buckled between the upper guide pressing plate and the lower guide pressing plate, and the other end of the adjusting block is connected with the adjusting wheel through a bearing; the adjusting block displacement component is telescopically fixed between the adjusting block and the belt pulley housing, one end of the adjusting block displacement component is connected with the adjusting block, and the other end of ...

Cleaning device and cleaning method

The invention relates to the technical field of article cleaning, in particular to a cleaning device and a cleaning method.The cleaning device comprises a sucking pump and a pipeline, the pipeline is provided with a sucking pump connecting port, a cleaning object connecting port and a nitrogen inlet, and the sucking pump connecting port, the cleaning object connecting port and the nitrogen inlet extend towards the interior of the pipeline to form an intersection area; the pipeline is provided with a first valve for controlling the connection and disconnection of the sucking pump connector and the intersection area and a second valve for controlling the connection and disconnection of the nitrogen inlet and the intersection area, the nitrogen inlet is provided with a water storage container through a first connecting pipe, the first connecting pipe is provided with a third valve, and the water storage container is provided with a water-nitrogen mixed gas outlet; the pipeline is provided ...

Autocatalytic degradation porous iron-based bone implant and preparation method thereof

The invention relates to an autocatalytic degradation porous iron-based bone implant and a preparation method thereof, and belongs to the field of degradable biomedical metals. The self-catalytic degradation porous iron-based bone implant is composed of an iron matrix and sodium chloride, and the mass percentage of the sodium chloride is 1.1-4.5 wt.%. The mixed powder of the sodium chloride powder and the iron powder is subjected to mechanical mixing and ball-milling dispersion and then is sintered and formed by electric sparks. The method has the beneficial effects that under the condition that the melting point of iron is lower than the melting point of iron, a large-block-shaped porous iron-based bone implant can be rapidly formed, an autocatalytic degradation effect is achieved, and macroscopic rapid degradation is formed by numerous tiny and uniformly-distributed microcosmic corrosion.

Emptying and sludge discharging device for membrane tank

The invention relates to the technical field of water treatment, in particular to a membrane pool emptying and sludge discharging device. The problem that residual deposited mud cannot be discharged is solved. The device comprises a membrane tank, a membrane frame is arranged on the membrane tank, a water inlet assembly and a sludge discharge assembly are arranged on the membrane tank, the device further comprises a flushing assembly, a purging assembly, a dosing assembly and a backwashing assembly, the flushing assembly is used for flushing the bottom of the membrane frame, the purging assembly is used for maintaining effective contact between air and the interior of the membrane tank, and the dosing assembly is used for adding a specified medicament into the membrane frame. The backwashing assembly is used for backwashing the membrane frame, a water producing part is further arranged on the backwashing assembly, and fluid is conveyed to the membrane pool through the water producing part ...

Warmhouse booth environmental monitoring system based on energy is from collecting WSN node

... 本实用新型公开基于能量自收集WSN节点的温室大棚环境监控系统。现有装置需要人工采集和有线采集，数据量大且实效性难以保障。本实用新型包括壳体和内嵌于壳体内的硬件电路，所述的硬件电路包括硬件电路包括微能量收集电路、GSM无线信息处理单元、终端节点电路、协调器电路，其中终端节点电路包括温湿度和光照强度传感器电路。本实用新型解决了终端节点供电难、人工采集数据繁琐、投入大、安装维护工作量大、抗干扰能力差的缺陷；同时有效的弥补了功耗大、不利于长期使用、功能单的不足。 ...

Cutting parameter optimization method and device, equipment and medium

The invention discloses a cutting parameter optimization method and device, equipment and a medium, and solves the technical problem that a cutting parameter optimization method in the prior art is not beneficial to energy conservation and emission reduction, and the method comprises the steps: constructing a multi-target cutting parameter optimization model according to an input parameter, an optimization target and an optimization parameter; wherein the input parameters comprise idle tool parameters, to-be-machined part information and idle machine tool parameters, the optimization targets comprise machining carbon emission, machining time and machining cost, and the optimization parameters comprise cutting parameters and cutting tools; and based on a preset algorithm, solving the multi-target cutting parameter optimization model to obtain a cutting parameter and a cutting tool meeting preset conditions. According to the method, the energy consumption and the carbon emission in the machining ...

Control method for controlling Bluetooth headset and talkback network

The invention belongs to the technical field of Bluetooth communication, and discloses a control method for controlling a Bluetooth headset and a talkback network, which comprises the following steps: a sensor and a Bluetooth radio frequency module are arranged in the Bluetooth headset; the sensor detects acceleration values of an x axis, a y axis and a z axis in real time, when the acceleration values of one or more of the x axis, the y axis and the z axis exceed a threshold value, the change process of the acceleration values is recognized as a specific operation action, and a corresponding operation function of the Bluetooth headset is started; when the threshold value is a first threshold value, the Bluetooth earphone starts a Bluetooth pairing function; when the threshold value is a second threshold value, the Bluetooth earphone starts a Bluetooth grouping function; and when the threshold value is a third threshold value, the Bluetooth earphone performs an operation of switching the ...

Natural water sample collection equipment and collection method

The invention relates to the technical field of water quality analysis and testing, and discloses a natural water sample collecting device and method.The natural water sample collecting device comprises a rotating disc, a first track groove and a second track groove are formed in the top of the rotating disc; the rotary disc is rotationally connected to the outer side of the fixed disc in a sleeving manner; the multiple sets of collection assemblies are annularly arranged at equal intervals relative to the disc, each collection assembly comprises an injection cylinder and a collection cylinder, and a mounting rod is fixedly connected to the bottom of each injection cylinder. The device is reasonable in design, automatic movement control over a piston in the injection barrel is achieved through cooperation of a second connecting column and a second rail groove, and therefore natural water is automatically collected; through cooperation of a first connecting column and a first rail groove ...

Accurate constant temperature heating device

... 本实用新型提供了一种精确恒温加热装置，包括：一圆柱形壳体，开有上下两通孔；多个穿过或内置于所述壳体的微型反应器，在所述壳体内与所述微型反应器之间填充相变材料；一加热装置，通过所述相变材料加热所述微型反应器；微型反应器为4个或8个，为相同直径的圆柱体，以壳体的轴心为中心呈环形阵列布置；加热装置为加热棒或加热带；壳体为不锈钢或石英材质，一通孔连接一蠕动泵。本精确恒温加热装置可以实现对多通道催化剂评价装置的精确控温，保持温度均匀，有效缩小各评价装置间的温度误差，防止飞温的发生，达到同一个催化剂在各通道评价结果的一致性，具有可比性，增强评价效率。 ...

Engine rotor spring lock ring blind cavity assembling device

The invention discloses an engine rotor spring lock ring blind cavity assembling device which comprises a fixed shaft sleeve, a mounting shaft is arranged in the fixed shaft sleeve, and the mounting shaft can axially move along the interior of the fixed shaft sleeve and can circumferentially rotate; a spring locking ring tensioning assembly is arranged at the end of the mounting shaft, driving ends are arranged on the two sides of the spring locking ring tensioning assembly, the driving end on one side is connected with a first tensioning block, the driving end on the other side is connected with a second tensioning block, and the first tensioning block and the second tensioning block are used for fixing a spring locking ring to be mounted in a matched mode. According to the device disclosed by the invention, the situation that the spring locking ring is opened manually and extends into a deep cavity for blind installation originally is replaced, the difficulty of manual installation on ...

Multifunctional partial discharge detection device

A multifunctional partial discharge detection device disclosed by the present invention comprises a shell, the two ends of the shell are electrically connected with cables, the two sides of the shell are provided with buffer mechanisms, the buffer mechanisms comprise two rectangular frames, the two rectangular frames are fixedly connected to the two sides of the shell respectively, and the top ends and the bottom ends of the two rectangular frames are fixedly connected with air bag cushions. According to the multifunctional partial discharge detection device, the air bag cushion and the balance weight balls are arranged, the balance weight balls can increase the gravity of the shell through the balance weight balls, the balance weight balls are arranged on the air bag cushion, the balance weight balls are arranged on the air bag cushion, the balance weight balls can increase the gravity of the shell through the balance weight balls, and therefore the air bag cushion and the balance weight ...

Control method for prolonging service life of motor controller integrated driving system

The invention discloses a control method for prolonging the service life of an integrated driving system of a motor controller. The control method comprises the following operation steps: S10) a battery sends an optimal allowable discharge current target value CurrentMax11 of the current battery to a controller in real time; s20), the controller calculates an optimal allowable discharge current target value CurrentMax22 of the current motor; s30) according to the optimal allowable discharge current target value CurrentMax11 of the current battery and the optimal allowable discharge current target value CurrentMax22 of the current motor, the controller takes the smaller value between the optimal allowable discharge current target value CurrentMax11 and the optimal allowable discharge current target value CurrentMax22 as the optimal discharge current target value CurrentMax33 of the current system; s40) realizing optimal discharge of the motor controller integrated driving system for prolonging ...

Refrigerated container ventilation system of cargo hold without hatch cover

The invention relates to a refrigerated container ventilation system of a cabin cover-free cargo cabin, which is characterized in that a mechanical air supply duct is arranged at a transverse cabin wall in the cargo cabin, a gap between two broadside containers and the cabin wall is used as a natural air exhaust port, and natural air exhaust shutters on a left broadside cabin cover and a right broadside cabin cover in a conventional cargo cabin ventilation system are canceled; the ventilation system adopts a regional air supply mode, air supply ducts are arranged on the two sides of the container, the space of the cargo hold ladder is not occupied, and the refrigerated container can be loaded to the maximum extent; an air supply port of the ventilation system is positioned at the bottom of the cargo hold; the refrigerated container at the middle-upper part of the cargo hold is dissipated by utilizing a hot air rising principle; the draught fan and the ventilation tail end of the ventilation ...

Distributed photovoltaic electricity charge settlement method

The invention provides a distributed photovoltaic electric charge settlement method, and the method comprises the following specific steps: automatically generating a monthly spreadsheet for the electric quantity data of each household monthly according to a payment period, and the monthly spreadsheet mainly comprises the power consumption of the user, the unit price and the final electric charge; the electricity consumption transaction platform checks the input electricity consumption information with a monthly spreadsheet; the bill is automatically edited and then publicized online and offline; the input information in the step 2 and the spreadsheet in the step 1 are automatically checked through the electricity transaction platform; an automatic voucher is generated according to payment information, and the information is respectively sent to a user and a background for double auditing. According to the invention, by constructing a cooperative and efficient distributed photovoltaic settlement ...

Right and interest product recommendation system and method

The invention discloses a right and interest product recommendation system and method. The monitoring and management system comprises a railway traffic right and interest product information recommendation module, a railway traffic right and interest product information comprehensive management module, a Spring-cloud micro-service platform right and interest product information calculation and calling module, a railway traffic customer right and interest product information collection module and a railway traffic customer right and interest product information optimization module. By adopting the right and interest product recommendation system and method provided by the invention, the railway traffic right and interest product monitoring and management efficiency can be improved.

Transverse damping device, bogie and tramcar

The embodiment of the invention provides a transverse damping device, a bogie and a tramcar, the transverse damping device comprises a transverse rod, the transverse rod is provided with a transverse rod end part I and a transverse rod end part II which are transversely distributed along a car body, and the transverse rod end part I is used for connecting the car body; the bottom of the supporting structure is used for being hinged to a framework of the bogie, the top of the supporting structure is provided with two ends distributed in the transverse direction of the vehicle body, and one end of the supporting structure is hinged to the second transverse rod end of the transverse rod; one end of the pressure reduction structure is connected with a framework upper cover plate of the bogie, and the other end is hinged to the other end of the top of the supporting structure; the transverse rod is used for transmitting transverse acting force generated when the vehicle body transversely moves ...

Remote temperature control monitoring mechanism for metering device

The invention discloses a remote temperature control monitoring mechanism for a metering device, and relates to the technical field of electric power metering, the remote temperature control monitoring mechanism comprises an outer cover body and a monitoring main body, the outer cover body comprises a shell and a cover body which are mutually embedded; the monitoring main body is arranged on the inner wall of the shell and comprises an integrated module and a module terminal which are electrically connected with each other, and the monitoring main body is in communication connection with a plurality of external temperature sensors; the technical requirements are as follows: the monitoring mechanism can remotely monitor and display the temperature change of the metering device in real time, and can realize automatic early warning by using a warning lamp and timely inform a station area manager to reach a metering fault point from a PC (Personal Computer) terminal when the temperature of ...

Superhard abrasive material based on C/C-SiC material and high-speed precise grinding optimization method of grinding wheel

The invention discloses a C/C-SiC material-based super-hard abrasive and grinding wheel high-speed precise grinding optimization method, which comprises the following steps: S1, systematically establishing a super-hard abrasive hardness self-adaptive grinding wheel inner and outer flow channel structuring theory, and revealing an influence rule of a flow channel structure change on mixed liquid flowing, a filling effect and a barrier breaking effect; and S2, through software simulation analysis and a 3D printing grinding wheel inner flow channel simulation mixed liquid flowing experiment, the relation between the inner flow channel curve shape, the section shape, the inner flow channel taper change and the mixed liquid flowing effect is analyzed. According to the C/C-SiC material-based super-hard abrasive material and grinding wheel high-speed precise grinding optimization method, through a grinding wheel surface mechanism of MoS2 nano-particle directional lubrication grinding force mutation ...

Constant-humidity rice braising bin

The constant-humidity rice braising bin comprises a spiral rice stirring bin body and a rice braising bin body, a feeding port is formed in the left side of the spiral rice stirring bin body, discharging ports are evenly distributed in the bottom of the right side of the spiral rice stirring bin body, and a spiral rice stirring device is transversely arranged in the right side of the spiral rice stirring bin body. A water atomization spray head is further arranged on the upper portion of the left front end of the spiral rice stirring device, the feeding temperature and humidity detector is used for detecting the temperature and humidity of rice at the feeding port and transmitting detection data to the controller, and when the controller receives that the detection value of the feeding port is lower than a set humidity value, the controller controls the water atomization spray head to be started; the controller is arranged in the spiral rice stirring bin and sprays water mist to rice in ...

Treponema pallidum antibody detection kit and application thereof

The invention provides a treponema pallidum antibody detection kit and application thereof, and relates to the technical field of biology. The treponema pallidum antibody detection kit comprises a first reagent and a second reagent, wherein the first reagent comprises mixed treponema pallidum membrane polypeptide coated negatively-charged gelatin particles; a second agent including negatively charged gelatin particles; a sample diluent; wherein the mixed treponema pallidum membrane polypeptide coated negative charge gelatin particles are prepared by mixing four kinds of negative charge gelatin particles with amino acid sequences of SEQ ID No.1, SEQ ID No.2, SEQ ID No.3 and SEQ ID No.4, wherein the four kinds of negative charge gelatin particles are respectively coated with synthetic treponema pallidum membrane polypeptides. According to the kit disclosed by the invention, the negatively charged gelatin particles coated by four synthetic treponema pallidum membrane polypeptides are adopted ...