73results about How to "Meet the development requirements" patented technology

The invention discloses an agricultural thickening synergistic agent which comprises the following components by weight percent: 10-30% of fatty alcohol polyoxyethylene ether sulfate, 10-20% of alkyl glycoside, 5-25% of sodium lauroyl sarcosinate, 5-10% of fatty alcohol polyoxyethylene ether, 5-15% of ammonium sulfate and the balance of water. The invention also discloses a glufosinate solution containing the agricultural thickening synergistic agent. The agricultural thickening synergistic agent has the characteristics of being good in wetting synergistic action and stable in performances, and is good in thickening synergistic effect; the glufosinate solution prepared from the agricultural thickening synergistic agent has higher viscosity, is beneficial to improving the adhesive force and the moisturizing performance of a liquid medicine, is beneficial to the internal absorption and the conductivity of glufosinate, and can promote the pesticide effect to be fully exerted; and furthermore, the agricultural thickening synergistic agent also has excellent biodegradability, and is high in safety to the environment and organisms, thus well fitting the development requirements of future agricultural surface active agents.

The invention discloses a preparation method of copper clad plate and the method comprises the following steps: (1) adopting bismaleimide resin and allyl compound in a weight ratio of 100:40-100 to react at 110-160 DEG C for 10-120min and obtain prepolymer, cooling to room temperature after finishing the reaction, using acetone to prepare prepolymer solution; (2) adding 15-150 parts of epoxy resinwith phosphorous, 10-100 parts of compound curing agent and 0-5 parts of curing accelerator in the solution obtained in the step 1, stirring evenly to obtain a glue solution, selecting a flat E-glassfibic cloth, coating the glue solution evenly on the glassfibic cloth, then roasting to prepare B-stage prepreg; (3) cutting the B-stage prepreg to proper size according to the size of a pressing machine, overlying five prepregs while placing two high impact copper foils with the same size separately on the top and bottom of the prepregs, placing the prepregs with copper foils in a vacuum hot pressing machine to press and obtaining the copper clad plate. The obtained copper clad plate can meet the demand for halogen-free and flame resistance, the heat resistance and humidity resistance are excellent, and the low dielectric loss and pressing toughness are good.

The invention discloses a method for treating wastewater from livestock and poultry breeding based on a vertical flow artificial wetland with water supply plant sludge as fillers, belonging to the technical field of wastewater treatment. The method is characterized in that water supply plant sludge is dried and crushed as fillers to construct a vertical flow artificial wetland for treating high-concentration wastewater from livestock and poultry breeding, wastewater from livestock and poultry breeding is allowed to enter the artificial wetland by stages and discharged out from the system for a certain hydraulic retention time under the condition of intermittent aeration. The pollutants such as organic substances, nitrogen and phosphorus in wastewater can be effectively removed by the treatment method disclosed by the invention and the total removal rates of ammonia nitrogen and total phosphorus are higher than 90%. According to the method disclosed by the invention, the problem of a way out for water supply plant sludge is also solved while wastewater from livestock and poultry breeding is effectively treated, and thus the method is conducive to achieving a purpose of "treatment of wastes with processes of wastes" and is in line with the concept of circular economy and sustainable development.

The invention particularly relates to a halogen-free flame retardant prepolymer, and an application thereof in the manufacture of the copper clad laminate (CCL). The manufacture of the CCL comprises the following steps: taking and reacting the bismaleimides, allyl compound and phosphorus-containing compound for 10 to 120 minutes at the temperature of 80 to 160 DEG C to obtain the halogen-free flame retardant prepolymer; preparing the prepolymer into solution, stirring uniformly the solution to obtain a glue solution, coating the glue solution uniformly on an E-glass fiber cloth with smooth surface, and then baking the E-glass fiber cloth to prepare a B-rank prepreg; and cutting the B-rank prepreg into proper size according to the size of a pressing machine, overlapping a certain amount of prepregs, and pressing the prepregs with a copper foil with the same size on the top and a copper foil with the same size at the bottom in a hot pressing machine to obtain the CCL. The CCL has good flame retardant effect, no release of harmful gases during the burning, and the product after the solidification of the CCL has the advantages of good toughness, higher thermal decomposition temperature and lower dielectric loss.

The invention provides a sensor resource integration mechanism based on internet of things. The sensor resource integration mechanism is used for integrating all or certain sensor data in a certain region through interfaces and calling interfaces of an internet of things resource sharing platform in a unified way. In the process of calling the interfaces for the first time, a post interface of the resource sharing platform is called for carrying out resource registration, corresponding types, units and symbols are added to generate an xml file containing the basic information, namely the corresponding types, units and symbols, the xml file is encrypted by adopting an encryption algorithm provided by the resource sharing platform, and interface registration resources are called. In the process of calling the interfaces for the second time, data of registered resources are uploaded, an xml file is constructed with sensor data as support by utilizing the resources in a data stream way, the xml file is encrypted according to the encryption algorithm provided by the resource sharing platform, and the interfaces of the resource sharing platform are called by adopting a put method.

The invention discloses an intelligent transformer substation computer monitoring anti-misoperation system, which is characterized in by consisting of a computer monitoring anti-misoperation system and N parallel measurement and control devices (automatic devices) of an intelligent transformer substation, wherein the N signal output/input ends of the computer monitoring anti-misoperation system are connected with the signal input/output ends of the N measurement and control devices in the intelligent transformer substation correspondingly; and the intelligent transformer substation anti-misoperation system comprises the measurement and control devices, a button switch, a remote control switch device, a high-voltage charged display device, a secondary pressure plate and a change-over switch. The system has the advantages of completing the anti-misoperation locking of secondary equipment in a power grid, realizing operation ticket-based programmed electrical operation, making the functional of the anti-misoperation system more complete, and meeting the development requirements of the intelligent transformer substation.

The invention relates to a longitudinal dual clutch automatic transmission device with a direct gear. The device comprises a first clutch, a second clutch, and two input shafts which are fixedly connected with the clutches and are coaxial to each other, wherein a first input shaft gear is arranged on the first input shaft; a fifth synchronizer and an output shaft are arranged at an outward extending end of the first input shaft; a first reverse gear driven gear, a second and third gear driven gear and a fourth and fifth gear driven gear are arranged on the output shaft in sequence; a first intermediate shaft, a second intermediate shaft and a reverse gear shaft are respectively parallel to the output shaft; a first intermediate shaft gear, a fourth gear driving gear, a third synchronizer, a first synchronizer, a second gear driving gear and a reverse gear driving gear are arranged on the first intermediate shaft in sequence; a second intermediate shaft gear, a fifth gear driving gear, a fourth synchronizer, a second synchronizer, a third gear driving gear and a first gear driving gear are arranged on the second intermediate shaft in sequence; and a reverse gear intermediate gear is arranged on the reverse gear shaft. The longitudinal dual clutch automatic transmission device comprises the direct gear and has high transmission efficiency; and a gear is shared by a plurality of gears, and the axial length is short.

The invention relates to an oil shale tailings beneficiation process and belongs to the oil shale industrial field. The oil shale tailings beneficiation process is especially suitable for the oil shale tailings processing utilization industry. The process includes the following steps that: water is added in oil shale raw ores, and the oil shale raw ores are subjected to 10-to-13mm screening, and plus-sieve products which are larger than 10 to 13 mm are crushed and are mixed with minus-sieve products which are smaller than 10 to 13 mm, the crushed plus-sieve products and the minus-sieve product are subjected to separation through adopting a hydrocyclone, underflow products are dehydrated through a high-frequency screen, so that gangue products can be obtained, and overflow products are dehydrated through the high-frequency screen and granulated so as to form nubbly concentrate products, all slime water generated by all the products that pass through the high-frequency screen is thickened and clarified, and precipitates are subjected to filter pressing, so that tailings products can be obtained; and clarified water and filtered liquid can be adopted as circulating water. According to the oil shale tailings beneficiation process, after being crushed, the oil shale tailings are subjected to separation through adopting the hydrocyclone, and therefore, the oil shale tailings beneficiation process is simple, efficient and economical, and has a higher economic value. With the oil shale tailings beneficiation process adopted, problems of complex production process, high production investment and low separation efficiency can be solved, and the concentrate yield of oil shale can be effectively improved.

Relating to the technical field of water treatment, the invention discloses a preparation method and application of a high adsorption performance water supply plant residual mud non-sintered ceramsite. The preparation steps include: mixing air dried and grinded water supply plant residual mud with cement, an activator, fly ash and the like evenly, adding a water glass binder and then performing granulation, placing a ceramsite raw material in a 70-90DEG C sterilization pot and performing steam curing for 12h, then conducting air drying and aging for 2-3d, thus obtaining the water supply plantresidual mud non-sintered ceramsite. The preparation method provided by the invention has the advantages of simplicity, cheap and easily available raw materials, low equipment investment and operationcost, and the prepared non-sintered ceramsite has excellent adsorption effect, can be applied as an adsorption material in a wastewater treatment process, and has strong adsorption capacity on heavymetals, phosphorus, anionic organic pollutants and the like. The invention builds a new bridge for application of water supply plant residual mud laboratory study to water treatment technology, can provide a new solution for wastewater pollutant emission reduction and WTR disposal, and is beneficial to achieve the win-win goal of "waste control by waste".

The invention discloses special grease for refrigeration and prepared by mixing lard oil and palm oil and a preparation method thereof. The preparation method of the special grease for refrigeration includes the steps of heating and melting the lard oil, the palm olein and palm stearin, adding a food-grade emulsifier and water into a totally melt oil phase, carrying out emulsification, then carrying out cooling and kneading, and finally curing to obtain the special grease for refrigeration. The special grease for refrigeration comprises, by weight, 8-12 parts of the lard oil, 10-80 parts of the palm olein, 10-80 parts of the palm stearin and 1-2.5 parts of the food-grade emulsifier. An obtained special grease product for refrigeration is in a beta crystal form, the SFC curve of the product is smooth, crystals are fine, the product has good processing characteristics and certain plasticity, compatibility of the grease is good at low temperature, and the oil separation phenomenon can be prevented from occurring.

The invention discloses an evaporative cooling air-conditioning system for a data center based on an air-cooling and water-cooling composite unit. The system comprises a water-side evaporative coolingunit, an air-side evaporative cooling unit and a data center machine room unit communicated with the air-side evaporative cooling unit, wherein the data center machine room unit is connected with thewater-side evaporative cooling unit through a secondary-side liquid supply pipe and a secondary-side liquid return pipe, and a secondary-side circulating water pump is arranged on the secondary-sideliquid supply pipe. According to the air-conditioning system, the air side evaporative cooling technology and the water side evaporative cooling technology are effectively combined together, room-level cooling is conducted on a data center in an air cooling mode, chip-level cooling is conducted on a chip of a server in a water cooling mode, and therefore, energy consumption of the data center is reduced.

The invention discloses an antineoplastic podophyllum traditional Chinese medicine extract and a preparation method and application thereof. The antineoplastic podophyllum traditional Chinese medicine extract contains a podophyllotoxin compound and a flavonoid compound. The preparation method comprises the following steps of: drying podophyllum plants, crushing, screening, extracting by using ethanol solution, and filtering to obtain total ethanol extract; and extracting the total ethanol extract by using ethyl acetate and n-butanol in turn to obtain ethyl acetate extract and n-butanol extract respectively, wherein concentrates of the total ethanol extract, the ethyl acetate extract and the n-butanol extract are the antineoplastic podophyllum traditional Chinese medicine extract. The invention proves that: the podophyllum traditional Chinese medicine extract which contains the podophyllotoxin compound and the flavonoid compound has a good antineoplastic effect, particularly on ethyl acetate extraction parts. The podophyllum traditional Chinese medicine extract has low toxicity to normal cells, is applied to the preparation of antineoplastic medicines, has high efficiency, and meets the requirements of medicine development.

The invention provides a waterproof structure of an outer wall of a comprehensive pipe gallery. The structure comprises three constituent parts, namely, a top plate waterproof structure, a side wall waterproof structure and a bottom plate waterproof structure; the top plate waterproof structure is sequentially provided with a self-waterproof concrete structure layer, a non-cured rubber asphalt waterproof coating layer, a double-sided self-adhesion root-puncture-resistant waterproof roll material layer, a dry-laid felt isolation layer and a fine stone concrete protective layer from inside to outside; the side wall waterproof structure sequentially comprises a self-waterproof concrete structure layer, a non-cured rubber asphalt waterproof coating layer, a double-sided self-adhesion waterproof roll material layer, a polystyrene foam plastic board layer and a coal ash solid brick protective layer from inside to outside; and the bottom plate waterproof structure is sequentially provided with a fine stone concrete protective layer, a double-sided self-adhesion waterproof roll material layer, a fine stone concrete slope making layer, a self-waterproof concrete structure layer and an indoor fine stone concrete slope making layer from outside to inside. According to the structure, an inner and outer waterproof combined mode is adopted, and a plurality of waterproof defense lines are organized, so that the problems of water seepage and water leakage caused by too many holes and branch pipes of the comprehensive pipe gallery are solved.

The invention belongs to the lubricating oil performance determination technology, relating to improvement of a method for determining movement viscosity of lubricating oil. The movement viscosity of the lubricating oil is determined by an Ubbelohde viscometer. The method is characterized in that the method comprises the determination steps as follows: determining proper Ubbelohde viscometer and calculating the movement viscosity vt of the lubricating oil. According to the invention, the movement viscosity of the lubricating oil at 100-260 DEG C. can be accurately determined and design requirements of a novel aeroengine can be satisfied.

The invention provides an oil shale mineral separation method and belongs to the field of oil shale industries. The oil shale mineral separation method is particularly applicable to the oil shale processing and utilization industry, and comprises the following steps: screening oil shale ores of which the grain sizes range between 0-300 mm; crushing oversize products (the grain sizes are larger than 50-80 mm), mixing the crushed oversize products with undersize products (the grain sizes are smaller than 50-80 mm), and adding water into the mixture for classification, so as to obtain fine-grain products (the grain sizes range between 1-4 mm) and coarse-grain products (the grain sizes are larger than 1-4 mm); performing separation and dehydration on the fine-grain products to obtain a fine concentrate product and a fine tailing product; performing three-product separation on the coarse-grain products to obtain waste rock, a middling product and concentrate; and performing further separation and dehydration on the concentrate to obtain a final coarse-grain concentrate product and a lump concentrate product, wherein water drained in all the dehydration steps is subjected to concentration and clarification, a muddy ore product is obtained through filter-pressing of a precipitate, and clarified water and a filtrate are utilized as circulating water. According to the oil shale mineral separation method provided by the invention, water is added for classification after oil shale is crushed, and separation of the coarse-grain products and that of the fine-grain products are performed, thereby solving the problem that in the prior art, the separation efficiency is low, effectively improving the concentrate yield of oil shale, and achieving a higher economic value.

The invention discloses a zinc-coated steel wire for bridge cable with high-strength and high-torsion and preparation technology thereof, and belongs to the technical field of wire rods for bridge cables. The preparation technology comprises the steps that (1) rolled steel wires with high quality are selected; (2) single-pass or multi-pass pre-drawing is carried out, specifically the reduction rate of the single-pass pre-drawing is less than or equal to 20%, and the front-pass reduction rate of the multi-pass pre-drawing is larger than the rear-pass reduction rate of the multi-pass pre-drawing; (3) off-line heat treatment is carried out, specifically heat treatment is carried out on the obtained rolled steel wires of the step (2) by adopting one kind of salt bath, lead bath or water bath;and (4) the finished product zinc-coated steel wire is obtained by throwing. Compared with an existing preparation technology of general rolled steel wires, the designed preparation technology does not change technology parameters of off-line heat treatment and throwing, the operation is simple, and the feasibility is higher; and the tensile strength of the obtained zinc-coated steel wire is not less than 1860 MPa, the number of torsions is not less than 18 times in the torsion performance, and the service requirement of the bridge cables is met.

The invention discloses trifluorobutenyl-containing 1,3,4-oxadiazole (thiadiazole) thioether (sulfide sulfone) derivatives and a preparation method and application thereof. The trifluorobutenyl-containing 1,3,4-oxadiazole (thiadiazole) thioether (sulfide sulfone) derivatives are shown as the general structural formula (I) below, wherein R refers to one or more of methoxyl, nitryl, methyl, hydroxyl, trifluoromethyl and halogen atom, the halogen atom can be fluorine and chlorine, X refers to O and S, and Y refers to S and O=S=O. The trifluorobutenyl-containing 1,3,4-oxadiazole (thiadiazole) thioether (sulfide sulfone) derivatives have the advantages of high activity and low toxicity.

The invention relates to a dimethyl silicate pentaerythritol ester compound as a fire retardant, and a preparation method thereof. The structural formula of the compound is shown in the description. The preparation method comprises the following steps: sufficiently dissolving pentaerythritol in an organic solvent, in a temperature environment of 50 DEG C or below, dropwise adding dimethyl dichlorosilane or dimethyldibromosilane; after dropwise adding, heating to 50-80 DEG C; performing a heat preservation reaction for 2 hours; then performing a heat preservation reaction for 4-8 hours at 70-130 DEG C; performing purification so as to obtain a white solid dimethyl silicate pentaerythritol ester. The dimethyl silicate pentaerythritol ester disclosed by the invention is high in flame resistant efficacy, is good in charring performance, is suitable for being used as a fire retardant of polyolefine, polyurethane, an epoxy resin , an unsaturated resin and the like. The production technology is simple, the investment in equipment is small, the raw materials are easy to obtain, the cost is low, and the industrialized production is easy to realize.

A saccharicterpenin contained plant organic nutrient solution comprises in per liter 10-100g of saccharicterpenin raw powder, 200-800g of bamboo vinegar, 50-250g of amino acid stock solution powder, 2-20g of oligosaccharide, 70-300g of chemical fertilizer, 10-35g of trace element fertilizer, 2-5g of surfactant and the balance of water. The plant organic nutrient solution of the invention is suitable for using as a plant nutrition agent.

The invention provides an environment-friendly and antibacterial wallpaper, which comprises the following components in parts by weight: 11-17 Ulagrass fiber, 23-34 sodium alginate, 6-11 antioxidant, 2-7 compatibilizer, and 0.8-8 flame retardant 3.4, alfalfa fiber 26-43, nano-graphene particles 22-35, polylactic acid fiber 6-13, glutinous rice slurry 36-49; the soluble solid content of the glutinous rice slurry is 45%-55%; the poly The monofilament diameter of the lactic acid fiber is 0.1-0.3mm, and the monofilament length of the polylactic acid fiber is 22-34mm. The invention integrates the functionalization into the wallpaper, which meets the application and development requirements of the wallpaper in modern household.

The invention discloses a preparation method for a standard sample of the polycyclic aromatic hydrocarbons in a PP plastic. According to the preparation method, in the preparation of the standard sample, the method uses the master-batch preparation method, so that the quality of the additives is improved; avoids the situation that the mixing difficulty and the uniformity are poor, due to the factthat the content of the target object is low, and the added amount of the target object is directly added; solves the problem that the actual value differs greatly from the theoretical value, caused by the weighing less and the weighing error; guarantees the uniformity during the sample mixing by dissolving the target substance through reagents.

The invention relates to a man-machine interactive system of a thermal management system, which comprises an electric control unit, keys, a display screen, a power management module and a CAN bus communication module, wherein the electric control unit is connected with the keys, the display screen, the power management module and the CAN bus communication module; the electric control unit receives relevant information transmitted from a lower computer through CAN communication, further processes and analyzes the information, and displays the processed data on the display screen; and the settings of relevant parameters input through the keys are transmitted to the lower computer (main control unit and driving unit) through the CAN bus communication module so as to regulate the running state of the thermal management system. By using the CAB communication, the invention conforms to the requirements for current vehicle development, and has strong compatibility and expansibility; since the man-machine system is designed completely in accordance with the requirements for vehicle cabs, the invention has the advantages of easy installation and disassembly, and comfortable operation; the display and fault prompts are clearer, so that a user can clearly control the thermal management system; and by adopting the independent power supply system, the invention is safer and more reliable.

The invention provides compound composition containing eugenol and mustard essential oil which are plant-sourced active substances with environmental compatibility and mixed in a weight ratio being (1:10)-(10:1), preferably in a weight ratio being (1:4)-(4:1). The compound composition has an obvious synergic effect, can be prepared in a form such as microemulsion, emulsion in water, water dispersible granules and the like and is used for controlling plant fungal diseases, bacteriosis, virus diseases and the like, so that the control effect is improved, the dosage is reduced, the application times are reduced, the control range is enlarged, the resistance is delayed, the requirement of a conventional dose reduction application technology is met, and the prepared preparation is environmentally friendly and has good application prospect.

The invention discloses an automobile wheel separation safety protection device. The automobile wheel separation safety protection device comprises a disc-shaped installation disc and further comprises a limiting pin. The diameter of the disc-shaped installation disc is smaller than that of an automobile wheel. The disc-shaped installation disc is installed on an axle of the inner side of the automobile wheel and close to the automobile wheel and can rotate round a rotary shaft of the automobile wheel. A plurality of support blocks are arranged in the circumferential direction of the installation disc symmetrically, and each support block is connected with the installation disc through an elastomer. Under elastic force of the elastomers, the support blocks can stretch and contract elastically in the radial direction of the installation disc. The limiting pin is arranged between the automobile wheel and the installation disc. One end of the limiting pin is connected with the automobile wheel. The other end of the limiting pin is inserted into a sliding groove of the installation disc and used for limiting displacement of the support blocks in the radial direction of the installation disc when the automobile wheel is not separated from an automobile. Through the automobile wheel separation safety protection device, when an accident occurs to the automobile, the automobile can still keep balance and travel stably after the automobile wheel is separated from the automobile.

The invention discloses a multi-station coiling device which comprises a base and a supporting frame. The supporting frame is installed above the base. A coiling mechanism is further installed on the supporting frame. The coiling mechanism is connected with the supporting frame through a movable seat. The coiling mechanism comprises a rotating rod, a rotating wheel and winding rods. The rotating wheel is fixedly arranged on one side of the rotating rod. The multiple winding rods are arranged and are annularly arranged on the periphery of the rotating rod in an array manner. Winding grooves composed of positioning rods are further formed in the winding rods. A drive motor is arranged below the coiling mechanism. A transmission wheel is arranged on a rotating shaft of the drive motor. The transmission wheel and the rotating wheel are in connecting transmission through a belt. The supporting frame is provided with a power box controlling the driving motor. According to the multi-station coiling device, due to the above series design, coiling and collecting machining can be achieved with high efficiency, the labor intensity of personnel is lowered, the production efficiency is improved, and the requirement for enterprise development is met.

The present invention provides a computer host case inside adjustable mainboard bracket and a usage thereof, relating to the computer technical field. The computer host case inside adjustable mainboard bracket adopts a technical key of organically combining a bracket, a guide rail and a slider to provide a connection mode of a computer mainboard. The computer host case inside adjustable mainboard bracket has a computer host case fastened with the bracket, wherein the bracket is fastened with the guide rail; the guide rail is in slide movable connection with the slider and is fastened through a slider fixing screw hole on the slider; the slider and the computer mainboard are fastened through a mainboard fixing screw hole on the slider. The usage of the computer host case inside adjustable mainboard bracket comprises the following steps that: the computer host case inside adjustable mainboard bracket is fastened inside the computer host case; the guide rail and the slider are loosened so as to allow the slider to slide to a needed position; the computer mainboard is fastened on a mainboard fixing screw hole on the slider; the slider is fixed on the guide rail through the slider fixing screw hole of the slider. The computer host case inside adjustable mainboard bracket is used for the installation of the computer mainboard. The intrinsic structure of the case is adapted to various mainboards; after the mainboard is fixed, the mainboard can be adjusted at will and does not conflict with a CD driver, thereby adapting to the development needs of computers.

The invention discloses a degradable noctilucent zipper which comprises 95.0-105.0 parts of base materials and 1.0-5.0 parts of long-acting noctilucent powder, wherein the base materials comprise PIA (isophthalic acid) and POM (Polyoxymethylene) in the weight ratio of 65-75:30. The zipper produced in the invention has the noctilucent effect and degradability, simultaneously can meet the requirements of performances in all directions, has wide market prospect and meets the development and environmental-protection requirements of zipper industries.

The invention discloses an automobile wheel disengagement repairing device which comprises an auxiliary wheel with the diameter smaller than an automobile wheel. The auxiliary wheel is installed on an axle on the inner side of the automobile wheel, is close to the automobile wheel and can rotate around a rotary shaft of the automobile wheel. The auxiliary wheel comprises a hub, spokes connecting the hub with a rim and a tire arranged on the rim in a sleeving manner. The rim is circumferentially provided with one or more notches. The position, between every two adjacent notches, of the rim is provided with a solid rubber tire section. At least one spoke is arranged between the positions, between every two adjacent notches, of the hub and the rim and provided with an elastic telescopic device. Each elastic telescopic device makes the position, between every two adjacent notches, of the rim and the corresponding solid rubber tire section on the rim stretch and retract elastically in the radial direction of the hub. By the adoption of the automobile wheel disengagement repairing device, when an accident happens to an automobile, and after the wheel is disengaged from the automobile, the automobile can still maintain balance and travel stably.

The invention discloses a preparation method of a polyester raschel blanket with a natural long-acting antibacterial function. A multifunctional solution is obtained from chitosan carried by silk fibroin and used for modifying a polyester raschel blanket. The modified blanket has Escherichia coli resistance of 50%-90% and antistatic decay time of 7-28 s. The problems of low air and water vapor permeability, poor handfeel and the like of the polyester raschel blanket modified with the traditional method are solved, the polyester raschel blanket is endowed with lasting natural antibacterial andantistatic functions and other functions, and additional value and market competitiveness of the polyester raschel blanket are increased.

The invention discloses an electronic current transformer for an intelligent isolation circuit breaker, the electronic current transformer comprises a main body and a transmission loop, the electronic current transformer is characterized in that: the transmission loop comprises a electronic current transformer primary sensor (11), an optical fiber conversion device (12), an optical fiber grooving hollow composite insulator (13) and an electronic current transformer convertor (14), and the optical fibers of upper and lower ends of the optical fiber grooving hollow composite insulator (13) are respectively connected with the optical fiber of the optical fiber conversion device (12) and the electronic current transformer convertor (14) in a inserting or welding way. According to the invention, a supporting insulator of the intelligent isolation circuit breaker is adopted to serve as an optical fiber transmission carrier, a suspension type optical fiber insulator is omitted, fault points of the isolation circuit breaker are reduced, and the safety and reliability of isolation circuit breaker site operating are improved.