55results about How to "Play a role in wrapping" patented technology

The invention provides a water emulsion pesticide system capable of substituting for the traditional oil emulsion. The system comprises the following raw materials by weight percent: 0.5-60% of crude pesticide or pesticide crude oil, 0.5-5% of macromolecule emulsifier, 0.5-10% of micromolecule emulsifier, 0-15% of cosolvent, 0-5% of adjuvant and the balance of deionized water, wherein the macromolecule emulsifier is an amphiphilic polymer which is formed by polymerizing a component 1, a component 2 and a component 3 at a mole ratio of 1:(0.05-0.5):(0-0.5) and is in a micro-crosslinked structure; the viscosity of the 1% deionized water dispersion of the polymer is between 100 mPa.s to 10000 mPa.s at PH value of 5-9 and 25 DEG C, and a relative molecular weight of the polymer is between 0.5million to 20 million; the component 1 is acrylic acid or acrylic ester with carbon molecular number not more than 36; the component 2 is alkenyl ammonium chloride with carbon molecular number not more than 25; and the component 3 is allyl amide with carbon molecular number not more than 5. The water emulsion pesticide system provided by the invention enables the crude pesticide with tiny solubility in water, oil or organic solvents to form the water emulsion with low toxicity, high efficiency, and good stability. The invention further provides a preparation method of the water emulsion pesticide.

The invention relates to a preparation and use method of a microbial agent for relieving continuous cropping obstacle of solanaceae crops, and relates to the technical field of microbial agents. The microbial agent is prepared from the following raw materials in parts by weight: bacillus methylotrophicus, bacillus subtilis, bacillus lichenniformis, bacillus colloid, saccharomycetes, photosyntheticbacteria, humic acid, potassium fulvic acid, potassium humate, amino acid fertilizer, potassium hydrogen phosphate, modified biomass carbon, alginic acid, chitin, peptone, and medium trace elements.The microbial agent has the beneficial effects that the defects of only use as base fertilizer for applying and difficulty in colonization in the common microbial agent are overcome, the occurrence ofroot rot of continuous cropping obstacle is prevented in the whole growth period of solanaceae crops, and the application is convenient; the auxiliary materials in the microbial agent are suitable for the colonization of functional microorganisms and enhancement of activity, the integrated flushing and applying effects with the water fertilizer of solanaceae crops are better, the occurrence of root rot in the continuous cropping can be better prevented, and the high output and stable output of the solanaceae crops can be promoted.

The invention belongs to the field of landscaping, and particularly relates to tree lodging-resistant equipment for landscaping. The technical purpose is to solve the problem that an existing tree lodging-resistant device cannot be changed with the growth of trees. The tree lodging-resistant equipment comprises two opposite semicircular clamping bases, the two semicircular clamping bases are combined together to form a circular structure, installation lugs are arranged at both ends of each semicircular clamping base, a bolt is installed on every two approaching installation lugs of the two semicircular clamping bases, installation grooves are formed in the tops of both semicircular clamping bases, an agent storage box is installed in the middle of the inner bottom of each installation groove and is provided with no lid, multiple supporting pillars are circumferentially arranged at the inner bottoms of the installation grooves, lamp beads are fixed to the upper ends of the supporting pillars, the supporting pillars are annularly distributed in the circumference direction of the agent storage boxes, funnel-shaped hood bodies are fixed to the tops of the installation grooves, and theopening of the top of each hood body is larger than that of the bottom of each hood body. The tree lodging-resistant equipment for landscaping can be changed with the growth of the trees and is more intellectualized, and the trees can more stably and healthily grow.

The invention discloses a preparation method of nanoscale organobentonite, which comprises the following six steps: (1) bentonite raw ore processing, (2) sodium modification, (3) centrifugation purification, (4) inorganic acid modification, (5) organic coating reaction, and (6) a post treatment stage. The preparation method has the characteristics that through substep purification, a mass ratio of a sodium agent to suspending liquid is kept at 0.3%; in an inorganic acid modification process, improvements are performed by adjustment of a PH value to subacid and a charging mode in the organic coating reaction stage; the bentonite is subjected to delaminating dispersion, centrifugation purification and superfine grading to prepare pure montmorillonite with the content greater than 95%; then, double octadecyl dimethyl ammonium chloride is used for performing the organic coating reaction; finally crushing to a nanoscale particle size is performed, that is, the average lamellar thickness is less than 25 nanometers; and the preparation method ensures the product quality, shortens the production cycle greatly, lowers the production cost, and is suitable for large-scale popularization and application.

The invention discloses a ship component molding bed manufacturing process. The ship component molding bed manufacturing process includes the following steps that the lowest height of a whole molding bed is generally 1.30 m and is not smaller than 1.20 m; when a datum plane of the molding bed is parallel to a ship bottom base line plane and meanwhile the datum plane is perpendicular to a rib plane, the molding bed is suitable for a bottom segment, a deck segment and a side segment with the smaller line type change, and the side segment with the lower rib level in rib line types is adopted so as to be beveled singularly; according to essentials for cutting the datum plane of the molding bed, whether a segmented rib line is horizontal or perpendicular or oblique is judged, the level of a rib is known, the molding bed is not steep longitudinally if the level change is small, the molding bed is obviously and obliquely lifted longitudinally if the level change is large, the transverse gradient of the surface of the molding bed is made to not exceed 15 degrees to 20 degrees to the greatest extent, the longitudinal gradient is made not to exceed 10 degrees, and four angles of the molding bed are as close as possible. According to the ship component molding bed manufacturing process, the molding bed is simple in operation and convenient to detach, manpower resources and time are saved, and ship assembly is facilitated.

The invention provides a rotating powder spraying device used for modifying of steel ladle slag and a modifying method. The rotating powder spraying device comprises a lifting unit, an anti-splashing unit, a feeding system, a spraying and blowing system, a rotating unit and a powder spraying gun. The powder spraying gun is an inverted-T-shaped hollow tube. The rotating unit comprises a rotating connector and a motor. The whole rotating connector is of a three-way structure. An inner bearing of the rotating connector is connected with the upper end of a hollow shaft in the motor. The rotating connector in the horizontal direction communicates with a pipeline. The lower end of the hollow shaft is connected with the upper end of the powder spraying gun through a flange. The anti-splashing unit is a big-end-down cylinder. The rotating unit is located in the anti-splashing unit, and the pipeline penetrates through the anti-splashing unit to communicate with the feeding system and the spraying and blowing system through metal hoses correspondingly. The anti-splashing unit is connected with the lifting unit. Flux in the feeding system and carrier gas in the spraying and blowing system are blown into the powder spraying gun through the rotating unit, so that powder is sprayed in a rotating mode. The powder is more uniformly laid between the surface of molten steel and the steel ladle slag through rotating spraying and blowing, and pollution of the steel ladle slag to the molten steel is completely avoided.

The invention belongs to the technical field of organic light-emitting materials and discloses a dendritic thermal activation delay fluorescence material and a synthesizing method thereof. The fluorescence material has a general molecular formula as shown in formula (1), wherein L is a linking base group, and H is a hole-transporting base group. According to the dendritic thermal activation delay fluorescence material and the synthesizing method thereof, the hole-transporting base group of the dendritic structure is connected to the periphery of the thermal activation delay fluorescence material through a chemical method; carbazole and triphenylamine branch units effectively inhibit gathering of light-emitting nuclear, and meanwhile excellent hole-transporting performance is provided for the material; accordingly, it is beneficial to lower drive voltage of a device, light-emitting efficiency is improved, and the problem that the high current density is lowered is improved.

The invention relates to the technical field of bridge construction, in particular to a bridge pier structure and a construction method thereof. The bridge pier structure comprises a prefabricated bearing platform, a prefabricated bridge pier, a steel plate assembly and a thin-walled circular ring; two groups of first steel rebars and second steel rebars which are arranged in the vertical direction and uniformly distributed in the form of a circumference; the first steel rebars are positioned on the internal sides of the second steel rebars; the top ends of the first steel rebars and the second steel rebars both extend out of the upper surface of the prefabricated bearing platform; a hollow steel tube which runs through the prefabricated bridge pier and is arranged in the vertical direction is embedded in the prefabricated bridge pier; and the prefabricated bridge pier is arranged on the prefabricated bearing platform through the hollow steel tube. The bridge pier structure has the advantages that the structural design is simple; the construction is convenient; as only a small part of later pouring concrete needs to be poured, the construction efficiency is enhanced, and the construction period of the bridge is reduced; the influence of bridge construction on city traffic environment is effectively relieved; and the assembling strength and integrity of the prefabricated bridgepier and the prefabricated bearing platform are also guaranteed.

The invention provides a hard surface cleaning composition containing a waterborne polyurethane dispersion and a preparation method. The hard surface cleaning composition comprises the following components: (a) 1-30 weight parts of a waterborne polyurethane dispersion; (b) 0.1-15 weight parts of a surfactant; (c) 0-3 weight parts of a chelating agent; (d) 0-30 weight parts of a solvent; and (e) anaqueous carrier. The hard surface cleaning agent composition provided by the invention has excellent decontamination, anti-fogging, anti-scaling, dapple reduction and other properties, cationic groups are introduced into the polyurethane dispersion, after use, the effects of bacteriostasis, static electricity resistance and the like can be achieved, meanwhile, the castor oil modified polyurethanecan also form a layer of durable transparent protective film with toughness and glossiness on the hard surface, the film can be easily peeled off from the surface and take off dirt staying on the film in a next cleaning process, the surface material is not damaged, a new protective film can be formed again after the composition is used for cleaning, and the cleaned surface is further protected.

The invention discloses a preparation method of a high-performance modified tetracalcium phosphate 3D (three-dimensional) printing material for biomedicine. According to the method, rare earth materials, silica sol, soluble magnesium salt and the like serve as raw materials, a positive charge magnesium aluminum silicate additive is prepared through high-temperature hydrothermal reaction, high-temperature solid-phase reaction among the additive, calcium sources and phosphorus sources is implemented to prepare a high-purity tetracalcium phosphate powder material, the material can be prepared into a bone material entity finished product with excellent mechanical performances and rich pore structures by a 3D printing mode, and the material has bright industrial application prospects.

The invention provides a high-temperature gasification nozzle for petroleum coke. The high-temperature gasification nozzle for petroleum coke comprises an oxygen spray pipe, an inner layer cooling jacket and a petroleum coke powder spray pipe which are coaxially arranged front inside to outside, wherein an oxygen inlet is formed in the upper part of the oxygen spray pipe, and the lower part vertically extends to form an oxygen outlet; an inner layer coolant inlet and an inner layer coolant outlet are formed in the upper part of the inner layer cooling jacket, and the lower part vertically extends to the bottom of the oxygen spray pipe and is sealed; petroleum coke guide rotating blades are coaxially arranged outside the inner layer cooling jacket; multiple petroleum coke feed inclined pipes are arranged at the upper part of the petroleum coke powder spray pipe, the lower part of the petroleum coke powder spray pipe vertically extends to the bottom of the inner layer cooling jacket to form annular space, and the inner wall of the petroleum coke powder spray pipe is in radial sealing contact with the petroleum coke guide rotating blades. The inner layer cooling jacket can control internal temperature of the nozzle, prevent overtemperature deformation and wear and prevent non-smooth flowing of petroleum coke powder, and the service life of the nozzle is prolonged.

The anti-collision baffle for highway safety comprises a fixed plate, a transmission mechanism is fixedly connected to the back face of the fixed plate, limiting mechanisms are movably connected to the top and the bottom of the fixed plate, and a triggering mechanism is movably connected to the left side of the fixed plate. The invention relates to the field of highway protection infrastructures.According to the anti-collision baffle for highway safety, the attaching effect between the curved plate and a touched object in the collision process is achieved through cooperation of the triggeringmechanism and the transmission mechanism; the buffering contact area during collision is increased; the buffering effect on the collision process is realized through the air reed pipe; the impact force per unit area is smaller, the damage degree to a collision object is smaller, the limiting effect on the extrusion plate is achieved through the limiting mechanism, the spring is promoted to compress and accumulate elastic potential energy, more reaction force can be provided to counteract the collision force when collision triggering is carried out, and damage caused by collision is reduced. Therefore, the problem that the buffering and protecting effects of the anti-collision baffle are not ideal is solved.

The invention discloses a preparation method of nanoscale organobentonite, which comprises the following six steps: (1) bentonite raw ore processing, (2) sodium modification, (3) centrifugation purification, (4) inorganic acid modification, (5) organic coating reaction, and (6) a post treatment stage. The preparation method has the characteristics that through substep purification, a mass ratio of a sodium agent to suspending liquid is kept at 0.3%; in an inorganic acid modification process, improvements are performed by adjustment of a PH value to subacid and a charging mode in the organic coating reaction stage; the bentonite is subjected to delaminating dispersion, centrifugation purification and superfine grading to prepare pure montmorillonite with the content greater than 95%; then, double octadecyl dimethyl ammonium chloride is used for performing the organic coating reaction; finally crushing to a nanoscale particle size is performed, that is, the average lamellar thickness is less than 25 nanometers; and the preparation method ensures the product quality, shortens the production cycle greatly, lowers the production cost, and is suitable for large-scale popularization and application.

The present invention provides a method for preparing magnetic wool fabrics using an inorganic sulfur-containing reducing agent, the method comprising the following steps: (1) Preparation of a solution: dissolving the inorganic sulfur-containing reducing agent, urea and sodium lauryl sulfate into water, then add magnetic nanoparticles, stir vigorously to prepare a solution in which magnetic nanoparticles are dispersed; (2) pad the wool fabric in the solution obtained in step (1) for several times; (3) pad the The woolen fabric is heated under hot air; (4) The heated woolen fabric is soaked in saturated sodium chloride aqueous solution to solidify, then washed and dried. The preparation technology is simple and easy, the cost is low, the strength damage to the wool fabric is small, the surface properties of the wool fiber are not changed, and the magnetic nanoparticles have good fastness on the wool fabric; no adhesive is used in the preparation process, and no Poison is harmless.

The invention discloses a medical wheel stretcher and relates to the technical field of medical stretchers. The medical wheel stretcher vehicle comprises a vehicle body and a vehicle cushion, the vehicle cushion is fixedly installed at the top of the vehicle body, the interior of the vehicle cushion is hollowed out, elastic soft cloth is fixedly embedded in the top of the vehicle cushion, and the bottom of the elastic soft cloth is attached to the tops of a plurality of movable supporting mechanisms. According to the medical wheel stretcher, after a patient is placed on the vehicle cushion, the patient can enable the movable supporting mechanisms to descend through the elastic soft cloth, the movable supporting mechanisms can play a certain role in supporting the body of the patient through buffer pistons and sealed air pressure bins, and due to the fact that each movable supporting mechanism is independently supported, the part of the elastic soft cloth which is not pressed by the patient can play a certain role in wrapping the body of the patient; and meanwhile, when the movable supporting mechanisms descend, supporting blocks can rotate through driving mechanisms and transmission mechanisms, then the wrapping effect of the vehicle cushion on the patient can be further improved, and the patient is prevented from shaking on the vehicle cushion in the moving process.

The invention relates to a raw material bag applied to a food processing machine. The food processing machine is used for mixing the raw material bag and water and crushing into slurry at the crushingrotating speed of 5000 to 30000 r / min, wherein the raw material bag comprises 40 to 50 percent of oat, 10 to 30 percent of red date slices, 5 to 25 percent of soybeans, 5 to 10 percent of dried apples and 0.5 to 5 percent of ginger granules. The red date slices are shaped like a round slice sheet with the specification being 1 to 2cm; the soybeans are baked whole beans; the dried apples are subjected to low-temperature drying; the specification of the ginger granules is 1 to 2mm. Compared wit the prior art, the raw material bag has the advantages that the food processing machine is used for crushing the raw material bag; a manufactured beverage cannot generate delamination; instant eating and instant use are realized; various nutrition elements benefiting qi and tonifying blood can be provided; meanwhile, the loss and nutrition risk caused by the raw material crushing in advance can be reduced.

The invention provides a degradable polyurethane biological material as well as a preparation method and application thereof. According to the method, the degradable polyurethane biological material is obtained by performing electrostatic spinning on a first solution and a second solution; a preparation method of the first solution comprises the following steps of adding a lysine monomer and a p-nitrophenyl adipate monomer into N, N-dimethylacetamide, heating and stirring to react, adding nano calamine powder, and continuously reacting to obtain nano particles; adding casein and acrylic acid into water, uniformly stirring and mixing, under the protection of nitrogen, adding potassium persulfate, stirring and reacting, adding the nano particles, and irradiating by electron beams to prepare modified nano particles; and finally, adding polyether glycol, the modified nanoparticles and dibutyltin dilaurate into N, N-dimethylacetamide, and carrying out ultrasonic oscillation uniformly to obtain the degradable polyurethane biological material, wherein the second solution is prepared by adding diisocyanate into the N, N-dimethylacetamide and uniformly stirring and mixing. The biological material prepared by the invention has excellent mechanical property and degradation property and wide application prospect.

The invention provides a rotating powder spraying device used for modifying of steel ladle slag and a modifying method. The rotating powder spraying device comprises a lifting unit, an anti-splashing unit, a feeding system, a spraying and blowing system, a rotating unit and a powder spraying gun. The powder spraying gun is an inverted-T-shaped hollow tube. The rotating unit comprises a rotating connector and a motor. The whole rotating connector is of a three-way structure. An inner bearing of the rotating connector is connected with the upper end of a hollow shaft in the motor. The rotating connector in the horizontal direction communicates with a pipeline. The lower end of the hollow shaft is connected with the upper end of the powder spraying gun through a flange. The anti-splashing unit is a big-end-down cylinder. The rotating unit is located in the anti-splashing unit, and the pipeline penetrates through the anti-splashing unit to communicate with the feeding system and the spraying and blowing system through metal hoses correspondingly. The anti-splashing unit is connected with the lifting unit. Flux in the feeding system and carrier gas in the spraying and blowing system are blown into the powder spraying gun through the rotating unit, so that powder is sprayed in a rotating mode. The powder is more uniformly laid between the surface of molten steel and the steel ladle slag through rotating spraying and blowing, and pollution of the steel ladle slag to the molten steel is completely avoided.

The invention provides a preparation method of a high-safety lithium-iron-phosphate-type lithium ion battery, which comprises the steps of: S1: preparing a three-dimensional band; S2: uniformly coating an active substance sizing agent on the surface of the prepared three-dimensional band by a sizing immersing system, and then enabling the three-dimensional band to become a wet-state pole plate by an inclined plate type sizing coating device above the sizing immersing system, wherein the active substance sizing agent comprises an active material and organic fibers; S3: after carrying out drying, pressing and cutting on the wet-state pole plate, respectively preparing a positive plate and a negative plate; and S4: oppositely placing the positive plate and the negative plate, arranging a diaphragm between the positive plate and the negative plate to form an electrode component, assembling the the electrode component into a shell, and injecting electrolyte into the shell. The prepared lithium-iron-phosphate-type lithium ion battery shows the characteristics of very high energy density and excellent cycle life, and is excellent in safety performance; meanwhile, thicknesses of the plates are greatly increased; the number of layers of the plates is reduced; the use amounts of the diaphragm and a current collection carrier are reduced; manufacturing efficiency is improved; and production cost is greatly reduced.

The invention relates to a special seed-dressing agent for organic black wheat. The special seed-dressing agent is characterized by being prepared from the following ingredients by weight: 500g of wheat straw powder, 10g of pine pollen, 5g of chelated zinc, 20g of calcium hypochlorite, 5g of lonicera japonica extract, 5g of purple sweet potato anthocyan, 3g of Tigecycline, 5g of curcumin, 10g of copper sulfate, 5g of pericarpium zanthoxyli oil, 3g of tobramycin, 4g of cefradine capsules, 30g of basswood bark powder, 15g of sodium nitrophenolate, 4g of clavulanic acid, 15g of selenium yeast powder, 50g of potassium sulfate and 15g of meerschaum powder. According to the special seed-dressing agent for the organic black wheat, the formula is scientific, and the ingredients are simple; by adopting the seed-dressing agent, underground insect pests such as white grubs, mole crickets, wireworms and cutworms of wheat can be effectively prevented and treated; and under the technical conditions of normal use, in-vivo residue of plants is absent, the influence on natural environments and other creatures is low, germinating, rooting, plant dormancy breaking and sound seedling breeding can be effectively hastened, the accelerating of metabolism of the plants can be promoted, and thus the yield of the wheat is increased.

The invention provides a preparation method of high-purity calcium oxide. Calcium hydroxide is produced by using raw materials with extremely high calcium oxide content, the dispersity of calcium ionsis improved by using stearic acid and polyvinyl alcohol 124, and the crystal form and the particle size of the calcium ions are controlled so that calcium hydroxide solids are high in fineness and good in dispersity, and finally, calcium oxide with high purity and good dispersity is prepared through high-temperature calcination. Calcium hydroxide with good dispersity can be better and more uniformly calcined at high temperature so that the production efficiency is improved, the yield of waste gas CO2 is reduced, and the cost of subsequent treatment is reduced. The method is simple in process,safe, environmentally friendly and high in production efficiency, and the prepared calcium oxide product is high in purity and good in dispersity.

The invention provides a method for preparing photocatalytic self-cleaning mulberry silk fabrics by using an NMMO (N-methylmorpholine N-oxide) aqueous solution. The method comprises the following steps: (1) preparing a dissolution solution, adding titanium dioxide nano-particles into the NMMO aqueous solution to obtain a mixture, and violently stirring the mixture to obtain a dissolution solutiondispersed with the titanium dioxide nano-particles; (2) carrying out padding on the mulberry silk fabrics in the dissolution solution obtained in the step (1) for many times; (3) carrying out irradiation on the mulberry silk fabrics subjected to padding by means of infrared rays; (4) dipping the irradiated mulberry silk fabrics in a polyethylene glycol aqueous solution for condensation; then performing washing and drying. The preparation technology disclosed by the invention is simple and feasible, and is low in cost; moreover, strength loss to the mulberry silk fabrics is little, surface performance of mulberry silk fibers is not changed, and the titanium dioxide nano-particles have good fastness on the mulberry silk fabrics; in a preparation process, adhesives are not used, so that the toxicity and the damage are avoided.

The invention provides a method for preparing a far-infrared wool fabric by adopting a dithiothreitol aqueous solution. The method comprises the following steps: (1) preparing a dissolving solution, namely adding dithiothreitol and sodium dodecyl sulfate into water, forming a mixed solution, regulating pH value to be 8-9, then adding tourmaline powder (more than 600 meshes), and ultrasonically oscillating, thus obtaining the dissolving solution dispersed with the tourmaline powder (more than 600 meshes); (2) padding a wool fabric in the dissolving solution obtained in the step (1) for multiple times; (3) radiating the padded wool fabric under infrared rays; and (4) impregnating the radiated wool fabric in a methanol solution, solidifying, and then washing and drying. The method provided by the invention has the advantages that the preparation technology is simple and feasible, the cost is low, the strength loss on the wool fabric is small, the surface properties of the wool fabric are not changed, and the tourmaline powder has good fastness on the wool fabric; and no adhesive is used in preparation process, so that the non-toxic and harmless effects are achieved.

The invention relates to a natural enteric maca preparation and a production method thereof. The natural enteric maca preparation is prepared from the following raw materials in parts by weight: 30-70 parts of maca powder, 5-8 parts of bletilla striata powder, 2-5 parts of konjac powder, 2-6 parts of yam powder, 6-12 parts of pueraria powder and 5-10 parts of semen euryales powder. The production method sequentially comprises the following steps: preparing maca extracting solution, bletilla striata extracting solution, konjac extracting solution, yam extracting solution, pueraria extracting solution and semen euryales extracting solution, mixing the extracting solution to obtain a mixed solution, homogenizing, and carrying out spray-drying to obtain mixed powder; tabletting to obtain enteric maca tablets; or directly packing the mixed powder to obtain enteric maca powder; and filling the mixed powder to obtain hard capsules. The natural enteric maca preparation adopts a scientific and unique formula, not only cannot influence the quality of an original maca product, and also is beneficial to human health and is purely natural.

The present invention provides a method for preparing conductive wool fabric using thioglycolic acid solution, the method comprising the following steps: (1) Preparation of solution: adding thioglycolic acid, lithium chloride and sodium lauryl sulfate into water to form Mix the solution, adjust the pH value to 9-10 with sodium hydroxide, adjust the pH value to 9-10 with sodium hydroxide, then add conductive nano particles to the solution, and obtain a solution dispersed with conductive nano particles under ultrasonic vibration; ( 2) Padding the woolen fabric in the solution obtained in step (1) multiple times; (3) steaming the padded woolen fabric; (4) soaking the steamed woolen fabric in an aqueous solution of polyvinyl alcohol solidified in the middle, then washed and dried. The preparation technology is simple and easy, with low cost, little damage to the strength of the wool fabric, does not change the surface properties of the wool fiber, and the nano-conductive particles have good fastness on the wool fabric; no adhesive is used in the preparation process, and no Poison is harmless.

The invention discloses phase-change high-tear-strength rubber and a preparation method thereof, belonging to the technical field of rubber preparation. According to the invention, a part of reinforcing raw materials and a phase-change anti-hyperextension rod are introduced into natural rubber to remarkably improve the tensile strength and tear resistance of a rubber product; tensile strength is sensed through a tensile sensing rod on the phase-change anti-hyperextension rod after the rubber product is stretched, the stretching effect is transmitted to an internal magnetic control ball, the magnetic control ball is promoted to gradually release a magnetic field, the magnetic field strength is in direct proportion to stretching of the rubber product, and after the tensile strength reaches acertain value, the magnetic control ball can release a magnetic field large enough, so in a part of areas of a feedback embedded rod at the center, a mobile phase similar to liquid is forced to be converted into a solid phase; and thus, the rubber product is assisted in resisting tensile force, the phenomenon that the tensile force seriously exceeds the tearing resistance limit of the rubber product is avoided, effective tearing protection is achieved for the rubber product, and the service life of the rubber product is greatly prolonged.

The invention discloses a pipe seam type anchor rod drawing test device and method suitable for a deep complex environment. The problems that in prior art, testing procedure is complex, anchor rod isindirectly pulled or auxiliary component is not suitable for a size problem are solved; and the beneficial effects are achieved that direct drawing of the anchor rod is realized; the coaxiality is better ensured; therefore, the test precision is improved. According to the invention, the pipe seam type anchor rod drawing test device suitable for a deep complex environment comprises a connecting; the connecting piece can go deep into the pipe seam type anchor rod; at least two sealing pieces used for making contact with the interior of the pipe seam type anchor rod are arranged on the peripheralside of the connecting piece. A glue injection pipe is arranged along the outer side wall of the connecting piece, the outlet end of the glue injection pipe is arranged between every two adjacent sealing pieces, one end of the connecting piece is exposed out of the pipe seam type anchor rod, the end exposed out of the pipe seam type anchor rod is connected with a connecting rod, and the connecting rod is provided with a center hole jack.

The invention relates to the field of textile fabric, in particular to cloth shoe upper fabric with warm keeping and wear resistance effect. The upper fabric can effectively solve the problem that theprevious upper fabric does not have warm keeping and wear resistance effect. The structure of the upper fabric comprises a first plastic sheet layer on the outer side, wherein a hollow cavity is arranged on the inner side of the first plastic sheet layer; an insulation layer is arranged in the hollow cavity; a second plastic sheet layer is arranged on the inner side of the hollow cavity; a metalmesh layer is arranged on the inner side of the second plastic sheet layer; a third plastic sheet layer is arranged on the inner side of the metal mesh layer; a jean fabric layer is arranged on the inner side of the third plastic sheet layer; a wool layer is arranged on the inner side of the jean fabric layer. The upper fabric is simple in structure, convenient to use, and applicable to various styles of cloth shoes.

The invention relates to the technical field of insulated gate bipolar transistors. and discloses an IGBT driving module. The module comprises a bottom plate. An upper surface of the bottom plate is fixedly connected with the bottom of a packaging shell. An IGBT driving chip is arranged in the packaging shell. The bottom of the IGBT driving chip is contact with the upper surface of the bottom plate, the bottom plate and the packaging shell are each provided with a plurality of sets of fixing holes, the centers of the fixing holes in the surface of the bottom plate and the centers of the fixingholes in the surface of the packaging shell are located on the same vertical axis, and a fixing base is installed at the top of the packaging shell. A contact piece and a pressing piece are wrapped by the isolation seat and the fixed seat. Moreover, the isolation seat prevents an operator from being in contact with the contact piece and the pressing piece, thereby enabling the probability that the IGBT driving module is broken down and damaged by static electricity during the wiring operation to be reduced, improving the use safety and stability of the IGBT driving module, and reducing the damage to the IGBT driving module caused by the wrong conduction of the contact piece.