1332 results about "Antifreeze" patented technology

The invention relates to the technical field of screening, and discloses an iron ore powder and antifreezing agent mixed screening device which comprises a rack, and the surface where the top of the rack is located is inclined; a first bearing seat is mounted on the rack, a roller with a rubber wheel surface is rotationally connected to the first bearing seat, a universal coupling is connected to the shaft end of the roller, a shaft rod is connected to the other end of the universal coupling, a speed reducer arranged on a second supporting seat is connected to the free end of the shaft rod, and the second supporting seat is connected with the rack; the speed reducer is driven by a first motor arranged on the rack, and the first motor and the speed reducer transmit power through belt transmission; a drum screen assembly used for improving the mixing uniformity of the iron ore powder and the anti-freezing agent is connected to the rolling wheel in a rolling mode, and mixed materials are discharged from screen holes of the drum screen assembly. Mixing, screening, conveying and cleaning are integrated, mixing uniformity is high, screening efficiency is excellent, operation and maintenance are convenient and fast, and the requirement for mixing and screening of iron ore powder and an anti-freezing agent is met.

The invention discloses ardealite-based concrete and a preparation method thereof, and belongs to the technical field of building materials. The ardealite-based concrete is prepared from the following raw materials in parts by weight: 40 to 60 parts of ardealite powder, 10 to 15 parts of cement, 8 to 10.5 parts of slag powder, 5 to 7 parts of fly ash, 4 to 6 parts of desulfurized fly ash, 5 to 10 parts of natural sand, 10 to 15 parts of ardealite-based artificial aggregate, 3 to 5 parts of eggshell powder, 1.5 to 3 parts of nano silicon dioxide, 0.5 to 1.5 parts of a water reducing agent, 0.05 to 0.2 part of a retarder, 0.1 to 0.5 part of an exciting agent and 0.3 to 1 part of an antifreeze agent. According to the invention, through process innovation of multi-component collaborative design and gradient aggregate doping, the technical bottlenecks of low strength, poor durability, high environmental protection risk and the like of traditional ardealite concrete are overcome while large-scale resource utilization of ardealite is realized, and a new thought is provided for high-valued utilization of industrial solid wastes.

The invention discloses a drainage plate for an unsaturated soil roadbed in a cold region. The drainage plate comprises a hydrophobic layer, a drainage layer and an anti-freezing layer which are sequentially arranged in parallel, the hydrophobic layer is made of a hydrophobic material; the drainage layer comprises at least two layers of capillary structures and water-absorbing fibers filled between the capillary structures, the outer layer is a vertical honeycomb tube, the inner layer is a horizontal honeycomb tube, and the radius is gradually reduced from outside to inside; the capillary tube structure adsorbs pore water in unsaturated soil through capillary action, and the water-absorbing fibers drive water to be discharged out of the roadbed through water content difference; and the anti-freezing layer is made of a low-temperature-resistant polymeric material. According to the drainage plate, through the capillary action of the middle three-dimensional drainage layer, pore water dispersed in unsaturated soil is actively adsorbed, water is directionally discharged in combination with gravity, and the problem that a traditional drainage pipe is low in efficiency in the unsaturated soil is solved; meanwhile, through double-layer protection of the hydrophobic layer and the anti-freezing layer, a moisture seepage path is blocked, soil particles are prevented from invading, and a drainage channel is prevented from being blocked.

The invention relates to the technical field of cement mortar compositions, and particularly discloses a double-component anti-freezing early-strength slurry and a preparation method and application thereof. The double-component anti-freezing early-strength slurry provided by the invention is composed of a component A and a component B in a weight ratio of 25: (4-10), the component A is prepared from the following components in parts by weight: 250 to 280 parts of Portland cement, 90 to 100 parts of admixture, 145 to 165 parts of sand and 6.4 to 8.4 parts of water reducing agent; and the component B comprises the following components in parts by weight: 8-10 parts of a sodium nitrite antifreeze agent, 50-58 parts of a reinforcing aid, 32-40 parts of anhydrite, 240-270 parts of an admixture, 155-175 parts of sand and 4.1-6.1 parts of a water reducing agent. By utilizing the technical scheme, the prepared double-component anti-freezing early-strength slurry has the advantages of rapid development of early compressive strength and stable growth of later compressive strength under different ultralow temperature conditions.

The invention relates to the technical field of high polymer materials, and provides a radiation refrigeration coating and a preparation method thereof.The radiation refrigeration coating is prepared from, by weight, 5-20 parts of heat reflection filler, 5-20 parts of heat radiation filler, 5-20 parts of common filler, 0.1-0.5 part of a thickening agent, 10-25 parts of aerogel paste, 0.25-0.75 part of a water repellent agent, 0.2-0.5 part of a defoaming agent, 0.3-1.5 parts of a dispersing agent, 0.1-0.3 part of a pH value regulator and 0.3-1 part of a sterilizing, anti-corrosion and anti-mildew agent, 0.1-0.5 part of a wetting agent, 25-40 parts of an acrylic emulsion, 1-2 parts of an anti-freezing agent, 2-4 parts of a coalescing agent and 15-30 parts of water; the functional coating with both high reflection and radiation refrigeration, provided by the invention, is remarkable in reflective insulation / radiation refrigeration effect, non-toxic, odorless, pollution-free and convenient to construct, and is an ideal decorative material.

The invention relates to the technical field of frozen soil collection, and discloses a plateau frozen soil sample collection device which comprises a mounting table, a sampling outer cylinder is arranged below the mounting table, a heating cavity is formed in the sampling outer cylinder, and electric heating rods are fixedly mounted on the two sides of the top of the sampling outer cylinder; and the heating end of the electric heating rod extends into the heating cavity. When frozen soil is collected and sampled through rotation of the sampling outer cylinder and the sampling inner cylinder, an anti-freezing solution in the heating cavity can be heated through the electric heating rod, and heat is dissipated to the outside through the sampling outer cylinder, so that ice crystals in the frozen soil outside the sampling outer cylinder are melted, and the sampling cylinder can quickly penetrate through a frozen soil layer; and meanwhile, the anti-freezing solution in the water storage tank is circularly pumped into the cooling cavity in the sampling inner barrel to cool the sampling inner barrel, so that the situation that heat is generated due to friction between the sampling inner barrel and the sampled frozen soil is reduced, the original state of the frozen soil sample can be kept, and the sampling accuracy is ensured.

The invention provides weather-resistant anti-freezing road concrete and a preparation method thereof, and belongs to the technical field of concrete. The concrete comprises the following components: sulphoaluminate cement, Portland cement, silica fume, fly ash, modified granite gravel coarse aggregate, medium sand fine aggregate, silica fume blended fiber, silica fume blended polyacrylonitrile fiber, a composite air entraining agent, a functional modifier, a composite antifreeze agent, pre-absorbent zeolite powder and the like. The preparation method comprises the following steps: modifying granite macadam with Al (H2PO4) 3, SiO2 and methoxypolyethylene glycol triethoxysilane, and modifying with a lithium silicate aqueous solution to obtain the modified granite macadam coarse aggregate. The composite air entraining agent comprises a JRY-Q air entraining agent and sodium alpha-olefin sulfonate. The functional modifier is prepared from gas phase method spherical nano silicon dioxide and nano alpha-Al2O3. The composite antifreeze agent comprises ethylene glycol butyl ether acetate and modified calcium carbonate. The modified calcium carbonate is obtained by sequentially modifying nano calcium carbonate with calcium chloride, a KH-550 silane coupling agent and stearic acid.

The present invention discloses an improved structure of an oil channel of an oil filter base assembly in a vehicle, including an oil filter base, where a lower portion of the oil filter base is provided with an oil inlet, an oil outlet, and an oil return port, an end portion of the oil filter base is provided with an antifreeze solution water inlet, a bottom portion is provided with a first water outlet and a second water outlet that are communicated with the antifreeze solution water inlet, a filter cartridge and a bypass valve are mounted in one end of the oil filter base, a filter cover is connected to an end portion of one end, close to the bypass valve, of the oil filter base, an oil cooler is mounted on an upper portion of one end, away from the filter cartridge, of the oil filter base.

The invention belongs to the technical field of anti-freezing solution production, and particularly relates to an automatic anti-freezing solution blending device for a hydraulic support, the automatic anti-freezing solution blending device comprises an axial position ring, a main body unit is arranged in the outer side space of the axial position ring, a regulation and control unit is arranged on the outer wall of the axial position ring, and a feedback unit is arranged on one side of the regulation and control unit; according to the invention, the change state of the interaction force between the external paddle and the flowing anti-freezing solution is fed back to the axial position ring in real time through the crank, and the deviation state between the frame type stirring paddle and the axis of the kettle body is changed in real time when the radial component force between the paddle and the anti-freezing solution is gradually increased; the method is beneficial to the non-homogenization of gaps (small near-wall side gaps and large far-wall side gaps) between the frame type stirring paddle and the inner wall of the kettle body, promotes the generation of stronger shearing force in a small-gap region, inhibits the circumferential symmetric flowing state of an anti-freezing solution in a boundary layer, and promotes the backflow of the anti-freezing solution in a large-gap region, thereby promoting the axial mixing of the anti-freezing solution and improving the stability of the anti-freezing solution. An anti-freezing liquid layer is effectively dispersed, and the swirling tendency is reduced.

The utility model provides a secondary refrigerant online monitoring and automatic adjusting device and a refrigerating system. The secondary refrigerant online monitoring and automatic adjusting device comprises a control system, an anti-freezing solution container and a freezing point detector arranged on a secondary refrigerant circulating pipeline. The anti-freezing solution container is connected to the secondary refrigerant circulating pipeline through a first pipeline, and a first pump assembly is arranged on the first pipeline; the secondary refrigerant circulating pipeline is connected with a discharge branch, and a discharge valve is arranged on the discharge branch; the first input end of the control system is connected with the output end of the freezing point detector, the first output end of the control system is connected with the electric control end of the discharge valve, and the control system is connected with the first pump assembly. The freezing point information of the secondary refrigerant is directly detected more accurately, when the anti-freezing solution needs to be supplemented, a part of old secondary refrigerant is discharged through the discharge valve, then the anti-freezing solution is supplemented, concentration recovery of the anti-freezing solution is accelerated, the problem of ice blockage can be effectively solved, full-automatic control is achieved, and the stability and durability of a refrigerating system are improved.

The invention provides a flexible fluorescence sensor as well as a preparation method and application thereof. The flexible fluorescence sensor comprises TCTG particles and dual-network hydrogel, the TCTG particles are distributed in network pores of the dual-network hydrogel to form functional gel, the TCTG particles are formed by Ti3C2TxMXene nanosheets and graphene quantum dots, the dual-network hydrogel is formed by acrylamide and sodium carboxymethyl cellulose, and the TCTG particles are distributed in the network pores of the dual-network hydrogel to form functional gel. The functional gel is soaked in a hydrochloric acid glycol solution for treatment. The flexible fluorescence sensor provided by the invention can integrate the structural advantages of all the components, so that a synergistic coupling effect is possibly generated, a fluorescence detection function with excellent mechanical strength, frost resistance and high sensitivity is integrated into a multifunctional system, the food spoilage condition can be reliably monitored in real time under a harsh environmental condition, and the application prospect is wide. And health and economic risks caused by occupational exposure and environmental emission in an aquatic product supply chain are solved.

The invention discloses a low-temperature-resistant polyacrylamide flocculant suitable for a low-temperature water body and a preparation method of the low-temperature-resistant polyacrylamide flocculant. The flocculant is prepared from the following raw materials in parts by weight: 60 to 85 parts of acrylamide (AM), 15 to 40 parts of low-temperature-resistant functional monomer 2-acrylamide-2-methylpropanesulfonic acid (AMPS), 0.5 to 5 parts of hydrophobic modified monomer, 0.1 to 1.0 part of molecular chain regulator, 0.01 to 0.1 part of initiator, 120 to 200 parts of deionized water and 1 to 5 parts of post-added antifreezing agent. The product is prepared by an aqueous solution polymerization method. According to the invention, by introducing the rigid sulfonic monomer and the functional monomer with large steric hindrance and compounding the specific antifreezing agent, the extensibility and diffusion performance of a polymer molecular chain in low-temperature (less than or equal to 10 DEG C) water are remarkably improved, so that large and dense flocs can be quickly formed under the low-temperature condition, and an excellent flocculating settling effect is kept.

The invention belongs to the field of flexible electronic devices, and discloses a preparation method of a high-performance strain sensor based on a nano-silver nano-cellulose seepage network. According to the hydrogel, polyvinyl alcohol is used as a matrix, a seepage network formed by polydopamine anchored nano-silver / nano-cellulose PCNF is used as a conductive phase, glycerin is used as an anti-freezing humectant, and through the synergistic effect of a three-dimensional seepage conductive network and a dynamic hydrogen bond network, the defects that traditional hydrogel is poor in sensing stability, poor in environmental stability and low in mechanical strength are overcome. The preparation process is simple, the conductive hydrogel is high in tensile strength, high in sensitivity and good in cycling stability and has an antibacterial function, and an assembled strain sensor can monitor a human motion signal in real time and is suitable for the fields of wearable equipment, electronic skin and medical monitoring in an extreme environment. Through material system and process innovation, integration of high performance and multiple functions is achieved, and wide application prospects are achieved.

To provide a liquid-cooled quick freezing device capable of reliably notifying a user of a freezing completion time without damaging food.SOLUTION: A liquid-cooled quick freezing device in which food A is immersed in cooling antifreeze liquid 2 in a liquid tank 1 and the food A is frozen, comprises a weighing scale 3 that measures the weight of the food in the immersed state. The weight of the food measured by the weighing scale 3 gradually decreases due to increase in volume caused by freezing of the food A, and has a freezing completion detection function that detects completion of freezing when change in decrease becomes zero.SELECTED DRAWING: Figure 1

The present invention discloses a kind of preparation method and use method of anti-abrasion concrete admixture under freeze-thaw-solution environment, the admixture includes the components of following parts by weight:50~60 parts of STG powder, 5~8 parts of polyimide fibers, 1~3 parts of hydroxypropyl methyl (HPMC) cellulose, 10~13 parts of polycarboxylate water-reducing agent, 10~15 parts of antifreeze, 10~13 parts of expansion agent, wherein STG powder includes modified silica fume-glass powder, silicon carbide titanium, graphene oxide. Anti-abrasion concrete admixture under freeze-thaw-solution environment of the present invention can effectively suppress the decomposition of calcium hydroxide, and can refine pore structure, make hydraulic concrete more compact, while improving the ability of hydraulic concrete to resist dissolution, enhance its anti-abrasion performance, the admixture has good low temperature resistance, can be applicable to cold low temperature environment, for the anti-abrasion strength under low temperature conditions there is obvious improvement.

The invention provides a slow-release corrosion-resistant microcapsule applied to reinforced concrete, the slow-release corrosion-resistant microcapsule comprises a capsule core and a capsule wall, and the capsule core comprises a composite corrosion inhibitor, self-repairing microspheres, nano hydrotalcite and an anti-freezing agent; the capsule wall comprises a three-layer structure including an inner layer film, a middle layer film and an outer layer film. The mass ratio of the capsule core to the capsule wall is 1: (0.3-0.5); and the thickness of the capsule wall is 10-17 microns. A pH triggering inner layer, a dynamic self-repairing middle layer and a hydrophobic protection outer layer are designed through three layers of intelligent response capsule walls, and on-demand release and long-term stability of a corrosion inhibitor are achieved; the crack repairing efficiency is remarkably improved through the synergistic effect of the chemical repairing material and the biological spores in the capsule core; the dynamic cross-linked network endows the capsule wall with self-healing ability, resists physical damage, improves the durability of the concrete, prolongs the service life of the concrete, also can enhance the wear resistance of the concrete, and reduces the wear in the use process.

The invention discloses a diflufenican-containing compound and a processing technology thereof, and relates to the technical field of agriculture. The diflufenican-containing compound agent is prepared from the following components in percentage by mass: 10 to 20 percent of diflufenican, 8 to 12 percent of isoproturon, 8 to 12 percent of florasulam, 0.5 to 1 percent of an anti-freezing agent, 0.5 to 1 percent of a de-foaming agent, 1.5 to 2.5 percent of a cosolvent, 1 to 3 percent of a wetting agent, 0.5 to 1 percent of a preservative, 1.5 to 3.5 percent of a dispersing agent and the balance of water. The defoaming agent is prepared from butynediol diethoxy ether grafted with low-hydrogen polydimethylsiloxane, and the defoaming agent is prepared from the butynediol diethoxy ether grafted with low-hydrogen polydimethylsiloxane; the dispersing agent is prepared from polyether amine bridging modified sodium lignin sulfonate. The pesticide is loaded on the nano silicon dioxide, so that the pesticide has good release performance and stability, the utilization rate of the pesticide is improved, the nano pesticide is small in size, the pesticide can better permeate into plant tissues, and a better prevention and treatment effect is achieved.

The invention discloses a preparation method of a negative-temperature cement-based material capable of being continuously hydrated and hardened in an environment of-20 DEG C, and relates to the technical field of application materials. The negative-temperature cement-based material comprises Portland cement, fine aggregate, water, a mineral admixture, an anti-freezing agent, a water-retention thickener, a fluidity regulator, a microcapsule complex, a penetration enhancer, a silicon-aluminum disordered network precursor and an anti-freezing polypeptide chain material. Additives such as a microcapsule complex and a penetration enhancer are introduced into a cement-based system, a low-temperature activation mechanism with a synergistic effect is constructed, and the microcapsule complex can accurately release latent heat in a negative temperature environment and induce a hydration reaction to be continuously carried out; the permeation enhancer improves the interface diffusivity and breaks through a mass transfer channel of a frozen interface water layer; the silicon-aluminum disordered network precursor is used as a structure inducer to promote the recombination of a C-S-H gel structure at a low temperature; the antifreeze polypeptide chain material endows the slurry with frost crack resistance toughness through conformation adjustment and ice crystal inhibition functions.

The invention discloses an environment-friendly food packaging bag and a preparation method thereof, and belongs to the technical field of food packaging.The environment-friendly food packaging bag comprises a packaging bag body, the packaging bag body is composed of an inner layer, a middle layer and an outer layer, the middle layer is arranged on the outer side of the inner layer, and the outer layer is arranged on the outer side of the middle layer; the inner layer is prepared from the following main raw materials in parts by weight: 90 parts of polyethylene resin, 5 parts of an antifreeze agent, 3 parts of a flexibilizer and 2 parts of a degradation agent, the antifreeze agent is made of an ethylene-vinyl acetate copolymer, and through a series of designs, the composite structure design of the inner layer, the middle layer and the outer layer is adopted, so that each layer of material can play a specific function, and the service life of the inner layer is prolonged. The inner layer guarantees food safety and has good low-temperature adaptability, the middle layer enhances the strength of the packaging bag and provides better mechanical performance, and the outer layer effectively prevents ultraviolet rays from affecting the packaging bag and food in the packaging bag and keeps the freshness of the food.

The invention belongs to the technical field of road deicing, and particularly relates to an environment-friendly snow and ice removing vehicle which comprises a vehicle body, an ice and snow removing device, a heating system and a water treatment system, the vehicle body is provided with an equipment bin, an ice and snow melting bin and an anti-freezing water bin, and a PV / T device used for providing electric energy for a motor and a vehicle-mounted hydrogen production device of the vehicle body is laid on the vehicle body; the ice and snow removing device is used for conveying ice and snow into the ice and snow melting bin; the heating system is used for heating ice and snow in the ice and snow melting bin; the water treatment system comprises a cyclone desanding device, an electrochemical disinfection device and a reverse osmosis device which are sequentially communicated, the cyclone desanding device is communicated with the ice and snow melting bin and used for removing large-particle impurities in water, the electrochemical disinfection device is used for removing microorganisms in the water, a water outlet of the reverse osmosis device is communicated with the anti-freezing water bin, and a water outlet of the reverse osmosis device is communicated with the ice and snow melting bin. And the water desalted and purified by the reverse osmosis device is discharged into the anti-freezing water sump. The system has the beneficial effects that the energy utilization efficiency is improved, and cyclic utilization of water resources is achieved.

The invention provides a feed domesticated siniperca chuatsi sperm low-temperature preservation and ultralow-temperature preservation method, which comprises the following steps: firstly, providing a siniperca chuatsi sperm low-temperature preservation diluent which comprises Hanks liquid, sodium chloride, soya bean lecithin, vitamin E, curcumin, melatonin and SOD (superoxide dismutase); and adding an anti-freezing protective agent into the low-temperature preservation diluent to obtain the ultralow-temperature preservation anti-freezing liquid for the siniperca chuatsi sperms. The siniperca chuatsi semen and the low-temperature preservation diluent are uniformly mixed, so that low-temperature preservation can be realized; the siniperca chuatsi semen is uniformly mixed with the cryopreservation anti-freezing liquid, so that cryopreservation can be realized. The siniperca chuatsi sperm low-temperature preservation diluent is preferably selected, low-temperature preservation of the siniperca chuatsi sperms can be achieved, ultralow-temperature preservation can be conducted after an anti-freezing protective agent is added, the persistence of the preservation time of the siniperca chuatsi sperms can be guaranteed, the protection effect on the sperms is good, and the activation rate and activity of the unfrozen sperms are high.

The present invention relates to a valve system comprising a manifold (2) presenting an inlet (4), an outlet (5) and a channel (3), as well as a fluid intercepting organ (6) positioned in the channel and presenting a shutter (7) movable between an open position wherein it allows the transit of a fluid from the inlet to the outlet and a closed position wherein it prevents the transit of fluid from the outlet to the inlet of the manifold. The manifold also has a first access (8) defined on a first section (2a) of the manifold (2) interposed between the inlet and the intercepting organ, a second access (9) defined on a second section (2b) of the manifold interposed between the intercepting organ and the outlet, a connecting section (10) that put the first and second accesses in fluid communication. The first and second accesses are defined on the same side of the manifold to allow the passage of fluid between the first and second sections of the manifold.

The present invention relates to the technical field of comprehensive utilization of industrial solid waste, specifically a graphite tailings-saw mud road subbase material and its preparation method and application, including the following components in parts by weight: 40-55 parts of graphite tailings, 45-60 parts of saw mud, 0.5-2 parts of phase change microcapsules, 5-10 parts of slaked lime, 10-20 parts of fly ash, 0.5-1.5 parts of titanium gypsum, 0.5-2 parts of steel slag powder, 5-15 parts of water and 0.05-0.2 parts of dispersant; the 7d unconfined compressive strength range of the graphite tailings-saw mud road subbase material is 2.64-3.87MPa, and the compressive strength loss rate (BDR) range is 82.1%-86.2%. By using titanium gypsum and steel slag powder, a gelling material with micro-expansion properties, to solidify the graphite tailings-saw mud, the shrinkage and temperature shrinkage properties of the subbase material are optimized, and the antifreeze ability of the subbase material is improved by adding phase change microcapsules.

The invention provides an anti-freezing and anti-crystallization hydraulic breather valve and a control method thereof, and belongs to the technical field of breather valves, the anti-freezing and anti-crystallization hydraulic breather valve comprises a valve body and an upper valve box, the valve body is internally provided with a main valve cavity, the main valve cavity is internally provided with an inner valve body, the inner valve body is internally provided with a negative pressure valve assembly, and the negative pressure valve assembly comprises a negative pressure valve seat, a negative pressure diaphragm, a negative pressure valve disc and a negative pressure valve rod; an upper diaphragm is arranged between the upper valve box and the valve body, a valve seat part is arranged at the upper end of the valve body, an anti-freezing solution is arranged in the upper valve box, and the upper diaphragm and the valve seat part are sealed under the gravity of the anti-freezing solution; through the synergistic effect of anti-freezing solution gravity sealing and hydraulic self-balancing design, compared with a traditional breather valve which depends on elastic elements such as a spring to maintain sealing pressure, the technical problems of sealing failure, complex mechanical structure, dynamic response lag and the like in a low-temperature environment are solved; high reliability, long service life and rapid pressure response of the breather valve are achieved, and the breather valve is particularly suitable for the extremely low-temperature working condition.

The invention provides an anti-freezing artificial wetland system in a cold region and a temperature control method thereof. The system comprises a vertical flow artificial wetland; a water collecting pipe is arranged at the bottom of the vertical flow constructed wetland and is filled with filler; the water collecting pipe is communicated with a water level adjusting pipe which is vertically arranged, and the water level adjusting pipe comprises at least two water level pipes with different heights. The filler sequentially comprises a zeolite layer, a steel slag-peat mixed layer and a volcanic rock-quartz sand layer from top to bottom. Plants with deep roots and plants with shallow roots are planted in the vertical flow constructed wetland; a water level sensor for measuring the height of the water level, an ice layer sensor for measuring the thickness of an ice layer and an air sensor for measuring the thickness of an air layer between the ice layer and the water surface are arranged in the vertical flow constructed wetland. According to the system provided by the invention, the anti-freezing performance of the constructed wetland system can be remarkably improved, the activity of microorganisms is guaranteed, and the sewage treatment effect and the operation efficiency are improved.

The present invention relates to the field of asphalt modification technology, and more particularly to a modified asphalt composite material, a preparation method and its application in ultra-thin wearing layer, including the following parts by mass of raw materials: 4 6 parts of SBS, 3 5 parts of LDPE, 3 5 parts of epoxy castor oil, 2 4 parts of octamercapto POSS modified wood fiber, 1 3 parts of antifreeze agent, 0.1 0.2 parts of mixed catalyst, 6 10 parts of modified asphalt, 5 8 parts of waste tire rubber powder, 100 parts of basalt wear-resistant aggregate; the antifreeze agent is mixed by (0.7 0.9) with AB modified mesoporous copper sulfide, ILs GO, and bisaldehyde PEG in a mass ratio of (0.2 0.3) : (1); the modified asphalt is mixed and kneaded by 10 parts of petroleum asphalt and 0.6 1.2 parts of tetraallylsilane. The modified asphalt composite material prepared by the present invention has good anti-freeze cracking performance, and has certain intrinsic self-repairing performance.

The invention discloses an anti-freezing and self-healing hydrogel electrolyte of a water-based zinc ion battery and a preparation method of the anti-freezing and self-healing hydrogel electrolyte, and belongs to the technical field of water-based zinc ion batteries. The method comprises the following steps: (1) mixing a functional material, an acrylic monomer, an initiator, a cross-linking agent and soluble iron (III) salt to obtain a first product; (2) degassing the first product to remove bubbles, and then carrying out polymerization reaction to obtain a second product; and (3) soaking the second product in a 2-10 mol / L electrolyte aqueous solution for treatment to obtain the anti-freezing and self-healing hydrogel electrolyte. The hydrogel electrolyte prepared by the invention has high ionic conductivity and adhesion, and has good anti-freezing and self-healing capabilities. And when applied to the aqueous zinc ion battery, the composite material shows an ultra-long cycle life, can stably supply power even in an extremely severe environment, and has certain research significance for promoting flexible electronic equipment and large-scale energy storage application.

The invention belongs to the technical field of curing agents, and particularly discloses a graphene composite soil curing agent and a preparation method and application thereof. The graphene composite soil stabilizer is prepared from the following raw materials in percentage by mass: 20 to 30 percent of cement, 10 to 20 percent of fly ash, 10 to 20 percent of slag, 0.5 to 3 percent of graphene, 0.5 to 0.1 percent of modified basalt fiber, 5 to 10 percent of alkaline excitant, 15 to 20 percent of early strength agent, 10 to 15 percent of antifreeze agent, 5 to 10 percent of dispersing agent, 0.3 to 0.8 percent of anti-cracking agent and the balance of water. The preparation method comprises the following steps: performing vinyltriethoxysilane modification on the surface of a basalt fiber, performing acrylic acid modification on hydroxylated montmorillonite, and performing crosslinking on the modified basalt fiber and the hydroxylated montmorillonite under the action of an initiator to obtain the modified basalt fiber. The prepared graphene composite soil stabilizer is good in curing effect, and the unconfined compressive strength, the permeability coefficient and the freeze-thaw stability of cured soil are remarkably improved.

The invention provides ice crystal resistant frozen dough and application thereof in baked food. Comprising the following steps: S1, uniformly mixing weighed flour, salt, white granulated sugar and dry yeast; s2, adding water and the gel loaded with the deacylated antifreeze polypeptide-astragalus membranaceus polyphenol coupling agent, and uniformly stirring to prepare fresh dough with smooth surface; s3, cutting the fresh dough into small dough, wrapping the small dough with a preservative film, quickly freezing the small dough in a refrigerator at the temperature of-40 DEG C for 80 minutes until the central temperature of the dough reaches-18 DEG C, and freezing the dough to obtain the frozen dough. The gel containing the sodium alginate and the deacylated antifreeze polypeptide-astragalus membranaceus polyphenol coupling agent is prepared, and the deacylated antifreeze polypeptide-astragalus membranaceus polyphenol coupling agent is added into the frozen dough, so that quality reduction caused by oxidation in the storage process of the frozen dough is reduced, and the rheological property of the frozen dough is remarkably improved; the gel is added into the frozen dough, so that the generation of ice crystals in the frozen dough is effectively inhibited, and the nutritive value of the dough is improved by adding the astragalus membranaceus polyphenols.

The invention belongs to the technical field of pesticide suspending agents, and particularly discloses a micro-capsule suspension-suspending agent containing chlorine fluorine and clothianidin and a preparation method of the micro-capsule suspension-suspending agent. The microcapsule suspension-suspending agent is prepared from the following raw materials: 11 to 13 percent of lambda-cyhalothrin, 12 to 14 percent of clothianidin, 9.20 to 9.60 percent of a solvent, 3.25 to 3.45 percent of a wall material I, 0.35 to 0.50 percent of protective glue, 2.13 to 2.33 percent of an emulsifier, 1.24 to 1.45 percent of a dispersing agent I, 0.24 to 0.45 percent of a wall material II, 3.90 to 4.10 percent of a dispersing agent II, 2.92 to 3.12 percent of an anti-freezing agent, 0.03 to 0.07 percent of a thickening agent I, 0.45 to 0.55 percent of a thickening agent II, 0.46 to 0.52 percent of a preservative and the balance of water. The microcapsule suspension-suspending agent prepared in the invention has good stability in the storage process, the slow release of effective components is controlled, and the lasting period is prolonged.