40results about How to "Improve cold resistance" patented technology

This invention discloses kidney beans PvMYB306-like The application of genes in regulating cold tolerance in plants belongs to the field of genetic engineering technology. The aforementioned common bean... PvMYB306-like The nucleotide sequence of the gene is shown in SEQ ID NO.1. The regulation of plant cold tolerance refers to overexpression of the aforementioned bean gene. PvMYB306-like Genes that enhance cold tolerance in plants, or knockout / silencing / interference of genes in common beans. PvMYB306- like Lowering gene expression levels reduces plant cold tolerance. This invention has found that in common beans... PvMYB306-like Genes are significantly associated with cold tolerance traits in plants. Overexpression of this gene in common bean plants... PvMYB306-like Genes can significantly improve cold tolerance and increase the survival rate of plants after low-temperature stress treatment. This invention provides new gene targets, theoretical basis, and technical support for molecular breeding of crop stress resistance.

This invention discloses a cold-resistant, low-smoke, airtight, explosion-proof control cable and its manufacturing method, relating to the field of control cable technology. It includes a central transmission cable with an outer protective rubber layer. The outer protective rubber layer is covered by an inner anti-slip silicone ring, which is further covered by an inner rubber expansion layer. A side-guided inner tube is located outside the inner rubber expansion layer. This invention utilizes a flexible expansion airbag and an adjustable isolation box with a linked internal and external pressure-stabilizing structure to maintain the internal air pressure of the control cable within a suitable range during use. This allows for rapid sealing and protection of the damaged area after external damage, preventing internal damage or electrical sparks caused by external impurities after the outer sheath is damaged. This effectively improves the explosion-proof capability and safety of the control cable.

The application provides application of a calcium sensing protein ShCBL1 gene and belongs to the technical field of biology.The application overexpresses or superexpresses the ShCBL1 gene in sugarcane or rice, so that the content of proline and superoxide dismutase in the sugarcane or rice is increased, the content of malondialdehyde is reduced, and the cold resistance is improved.Researches show that when the ShCBL1 is superexpressed or overexpressed in plants, the cold stress related physiological indexes such as proline, superoxide dismutase (SOD) and malondialdehyde (MDA) can be significantly affected, so that the cold resistance of the rice and the sugarcane is enhanced.ShCBL1 as a positive regulator of cold resistance regulation can be used for molecular breeding of cold resistance varieties.

This invention provides a cold adaptation regulatory gene RAF3 / RAF6 This invention relates to the field of genetic engineering technology and its applications. Specifically, it provides a cold adaptation regulatory gene. RAF3 / RAF6 , wherein RAF3 The genome sequence is shown in SEQ ID No. 1. RAF6 The genome sequence is shown in SEQ ID No. 2. This invention also provides the... RAF3 / RAF6 The encoded protein, and its role in reducing RAF3 / RAF6 By reducing the expression level of a protein or decreasing its activity or content, the cold tolerance and photosynthetic efficiency of plants can be improved, meaning that under cold conditions, RAF3 and / or RAF6 It reduced photosynthesis while enhancing the expression of cold-response genes, ultimately inhibiting plant growth and promoting plant adaptation to cold stress.

This invention relates to the field of concrete admixtures, specifically to an anti-mud polycarboxylate superplasticizer, its preparation method, and its application. The anti-mud polycarboxylate superplasticizer provided by this invention comprises, by weight, the following raw materials: 100-180 parts of unsaturated polyether monomer, 5-10 parts of unsaturated carboxylic acid monomer, 2-5 parts of air-entraining monomer, 5-10 parts of anti-mud monomer, 10-20 parts of oxidant, 0.4-0.6 parts of reducing agent, 5-7 parts of chain transfer agent, and 150-300 parts of water; the air-entraining monomer and the anti-mud monomer have specific structures. The simultaneous introduction of specific anti-mud monomers and air-entraining monomers into the anti-mud polycarboxylate superplasticizer of this invention not only reduces clay adsorption but also provides better dispersibility and anti-mud effect at lower dosages, increasing the overall workability of concrete and improving concrete performance.

The invention discloses an oil-resistant cold-resistant flame-retardant polyvinyl chloride material and a preparation method thereof. The polyvinyl chloride material is prepared from the following raw materials in parts by weight: 100 parts of PVC resin, 40-60 parts of a plasticizer, 30-50 parts of a flame retardant, 15-25 parts of a cold-resistant agent, 10-20 parts of an oil-resistant agent, 5-10 parts of a heat stabilizer and 2-5 parts of a lubricant. Wherein the flame retardant is a composite flame retardant composed of aluminum hydroxide, magnesium hydroxide and antimony trioxide, the cold-resistant agent is an ethylene terpolymer, and the oil-resistant agent is a polar copolymer of acrylonitrile and butadiene. The material is excellent in comprehensive performance, the low-temperature impact performance can pass minus 40 DEG C, after an oil resistance test, the mechanical property loss is extremely small, the oxygen index is maintained to be about 30%, the stable mechanical property and thermal stability are achieved, collaborative optimization of oil resistance, cold resistance and flame retardance is achieved, and the service life of the material is prolonged. The cable is suitable for cable preparation under complex working conditions such as automobile engine cabins, industrial equipment in extremely cold areas and petrochemical engineering, the preparation process is high in controllability, and industrial production is easy.

The utility model relates to a cold-proof hanging door device of a large herbivorous animal museum. The cold-proof hanging door device of the large herbivorous animal museum comprises a sliding door arranged on the indoor side of a wall body, and the sliding door is configured to move in a reciprocating mode in the width direction of a door opening so as to open or close the door opening; the hanging door comprises a door plate, and the hanging door is located on the outdoor side of the wall body and arranged at the position corresponding to the door opening; the lifting rope is connected with the top of the lifting door, and the lifting rope is used for lifting or putting down the lifting door in the height direction of the door opening so as to open or shield the door opening; and the guide assembly is arranged on the outdoor side of the wall body, a sliding rail extending in the height direction of the door opening is defined by the guide assembly, and the hanging door is in sliding fit with the sliding rail. The cold-proof hanging door device of the large herbivorous animal museum is convenient to operate and good in cold-proof effect.

The present application relates to the technical field of medicine, in particular to a kind of Ai Huangcao cream and its preparation method and application.The Ai Huangcao cream formula is composed of Ai Naxiang oil, egg yolk oil, radix ligustici glauci oil, white vaseline, stearic acid, glycerin monostearate, liquid paraffin, propyl gallate, Tween-80, triethanolamine, sodium dodecyl sulfate, glycerol and water.The Ai Huangcao cream prepared by the preparation method of the present application has good appearance, ductility, centrifugal stability, cold resistance and heat resistance stability.Meanwhile, through skin irritation experiment and rat burn and scald experiment, it is confirmed that the Ai Huangcao cream is safe and has no skin irritation, and has good therapeutic effect on rat grade II burn and scald model.

The application discloses a kind of light foam sandy soil based on low-temperature resistant microbial curing agent and its preparation method, the light foam sandy soil includes solid matter and liquid matter, the mass ratio of solid matter and liquid matter is 3.5-6:1, the proportion of each substance in solid matter is 78-84wt% of sandy soil, 12-18wt% of composite activator, 4-6wt% of bacterial foam adsorbent, and the liquid matter is cementing solution.The preparation method includes the following steps: preparing low-temperature resistant microbial curing agent;The prepared low-temperature resistant microbial curing agent is mixed uniformly with sandy soil to obtain solid matter;The obtained solid matter is mixed uniformly with cementing solution, i.e. to obtain light foam sandy soil based on low-temperature resistant microbial curing agent.The technical scheme of the application significantly improves the survival rate and mineralization efficiency of the strain in low-temperature environment, and the light foam sandy soil prepared using the technical scheme has a lower mass per unit volume, higher compressive strength and higher permeability resistance.

This invention relates to the application of the maize BRI1a gene in regulating plant cold tolerance. The invention discovers that the maize BRI1a protein can negatively regulate plant cold tolerance; by reducing the expression level of the BRI1a gene, plant cold tolerance can be effectively improved, thus increasing the survival rate of plants under low-temperature environments. This invention utilizes CRISPR / Cas9 technology to obtain cold-tolerant BRI1a gene knockout homozygous lines, providing new gene resources for breeding transgenic plants with improved cold tolerance and improving cold-tolerant plant germplasm resources.

The present application belongs to the field of under-forest planting, and particularly relates to a method for improving cold resistance and yield of Cistanche tubulata under Chinese tamarix forest in the Yellow River Delta region. The method improves host root activity and resistance through root system root cutting treatment and spraying treatment liquid; promotes Cistanche tubulata inoculation resistance and survival rate through gibberellin seed dressing, three-layer seeding and spraying Hoagland nutrient solution; enriches soil nutrition, improves soil heat preservation performance, and improves the cold resistance and yield of Cistanche tubulata through near-natural substrate seed dressing, soil microbial fertilizer, farmyard manure and post-covering treatment and other measures. For Cistanche tubulata broken in the fall and winter, the cold resistance is increased by spraying exogenous calcium. The above measures increase the soil temperature by 2-4 DEG C, the cold resistance of Cistanche tubulata under Chinese tamarix forest is improved by more than 63%, and the yield is improved by more than 40%, which has important significance for the industrialization and large-scale cultivation of Cistanche tubulata under Chinese tamarix forest in the Yellow River Delta region.

This invention discloses a PVC cable sheath material, comprising the following components by weight: 100 parts PVC resin; 26-40 parts cold-resistant rubber; 45-53 parts cold-resistant plasticizer; 45-52 parts filler; 10-26 parts flame retardant; 9-15 parts heat stabilizer; 0.5-1.2 parts antioxidant; 2.0-3.5 parts lubricant; and 0-1.2 parts colorant. This invention also discloses a method for preparing the PVC cable sheath material and a cold-resistant and flame-retardant cable. The PVC cable sheath material of this invention has excellent cold resistance and flame retardancy, and can meet the requirements for cable sheath use in extremely cold environments of ~40℃ and below.

The utility model relates to the technical field of firefighter garments, and discloses a heat preservation garment with a constant temperature function, which comprises a firefighter garment body, a heat conduction layer I is arranged on the left side in the firefighter garment body, a heat conduction layer II is arranged on the right side in the firefighter garment body, and a temperature sensor I is arranged on the top side of the heat conduction layer I; a temperature sensor I is arranged on the top side of the heat conduction layer II, a snakelike electric heating wire I is embedded in the heat conduction layer I, a temperature sensor II is arranged on the top side of the heat conduction layer II, a snakelike electric heating wire II is embedded in the heat conduction layer II, and wind shielding assemblies and LED luminescent lamps are sequentially arranged on the left side and the right side of the outer portion of the firefighter clothing body from top to bottom. The fire-fighting garment has the advantages that the fire-fighting garment is stable in heat preservation performance and good in cold-resistant effect, the body temperature of firefighters can be effectively prevented from quickly losing, the visibility of the visual field can be guaranteed, and the use experience of the fire-fighting garment can be favorably improved.

This invention belongs to the field of biotechnology, specifically relating to the cassava transcription factor MeWRKY30 and its applications. This invention cloned the transcription factor gene of MeWRKY30 from cassava. Overexpression of this gene in cassava can improve the resistance of transgenic cassava plants to low-temperature and drought stress. The effects of qRT-PCR on cassava... MeWRKY30 Gene expression was significantly upregulated after drought and treatment with the plant hormone abscisic acid (ABA). After recovery from low temperature treatment, the malondialdehyde content of the overexpressing cassava lines decreased, wilting was reduced, root growth inhibition was lessened, and the number of cortical cells in the root tip meristem was significantly increased.

This invention discloses a nano-silicon-based special transformer cooling oil and its preparation method. The cooling oil comprises the following components by mass percentage: 85%–90% modified silicone oil base oil, 2%–3% spherical nano-silicon particles, 1%–5% composite antioxidant, 0.5%–2% polyether-modified silicone oil dispersant and stabilizer, and the balance being functional additives. This invention constructs a three-dimensional thermally conductive network using surface-modified nano-silicon, synergistically combining composite antioxidants, low-temperature flow improvers, and anti-cavitation additives. This allows the cooling oil to maintain high insulation performance while achieving a thermal conductivity increase of ≥50%, good low-temperature fluidity at -80℃, partial discharge ≤5pC, cavitation inhibition rate ≥78%, overload capacity up to 200%, and service life extended to 40 years. This product is particularly suitable for extreme environments with altitudes ≥5000 meters and temperature differences ranging from -80℃ to +120℃, meeting the requirements of ultra-high voltage DC converter transformers and intelligent substations in cold regions for efficient heat dissipation and long-term stable operation.

The utility model discloses a cold-resistant hard PVC (polyvinyl chloride) reflector, and relates to the technical field of reflectors. Comprising a reflector body, the reflector body comprises a hard PVC board, cold-resistant layers are fixed to the top and the bottom of the hard PVC board respectively, and a gum layer and an anti-sticking layer are sequentially arranged at the bottom of the cold-resistant layer located at the bottom of the hard PVC board from top to bottom; a microprism layer and a protective film are sequentially arranged on the top of the cold-resistant layer located on the top of the hard PVC board from bottom to top. The cold-resistant layers are fixed to the top and the bottom of the hard PVC board and made of polyurethane materials, the cold resistance of the PVC board can be improved through the arrangement of the cold-resistant layers, the PVC board is prevented from being broken due to low-temperature embrittlement, meanwhile, the elastic layer is arranged, the purpose of the elastic layer is that firstly, external impact force can be buffered, and therefore the impact force of the PVC board can be reduced, and the service life of the PVC board can be prolonged. The stability of the whole structure of the PVC reflector is improved, and the hard PVC plate is effectively prevented from being broken and damaged due to stress.

The utility model belongs to the technical field of cables, and discloses an anti-interference underground detection connection cable which comprises a sheath layer, a reinforcing layer is arranged in the sheath layer, a damp-proof layer is arranged in the reinforcing layer, a shielding layer is arranged in the damp-proof layer, limiting protrusions are arranged in the shielding layer, and the limiting protrusions are wrapped with flame-retardant filler. A supporting pipe wraps the center of the interior of the flame-retardant filler, a core pipe is arranged between the supporting pipe and the limiting protrusions, and a wire core is arranged in the core pipe. The sheath layer, the reinforcing layer, the damp-proof layer, the shielding layer, the limiting protrusions, the flame-retardant filler, the supporting pipe, the core pipe and the wire cores can deal with detection environments with high and low temperature and large acid-base difference, interference of the external environment and the interior of the cable is reduced, meanwhile, it is avoided that sharp foreign matter is prone to scratching the cable skin, consequently, the cable is damaged and exposed, and the service life of the cable is prolonged.

This application relates to the field of cable protection pipe technology, and in particular to a low-temperature impact-resistant CPVC cable protection pipe, which includes a protection pipe body, an insulation layer, and a circulation mechanism. An impact-resistant mechanism is fixedly connected to the inner side of the protection pipe body. A cable body is inserted through the insulation pipe body inside the impact-resistant mechanism. A heat exchange mechanism is fixedly connected to the outer surface of the insulation pipe body. The circulation mechanism is located at the top of the protection pipe. This technical solution, through its heat exchange, circulation, impact resistance, and heat recovery structure, combined with a composite insulation layer and a suitable heat exchange medium, efficiently absorbs solar energy and recovers waste heat from the cable, continuously insulating the protection pipe body day and night, resisting external impacts, preventing low-temperature embrittlement and cable overheating, adapting to different low-temperature environments, reducing heat loss and energy consumption, and solving the problems of existing CPVC cable protection pipes such as poor resistance to low temperatures, weak impact resistance, and limited adaptability.

The invention relates to the technical field of plant genetic engineering, and discloses an azalea MYB transcription factor RhMYB8 and application thereof. The nucleotide sequence of the rhododendron MYB transcription factor RhMYB8 is as shown in SEQ ID NO. 1, and the amino acid sequence coded by the rhododendron MYB transcription factor RhMYB8 is as shown in SEQ ID NO. 2. The rhododendron MYB transcription factor RhMYB8 is over-expressed in the rhododendron, so that the cold resistance of the rhododendron is improved. By adopting the rhododendron MYB transcription factor RhMYB8 and the application thereof, a new functional gene and a core target are provided for horticultural plant cold-resistant molecular breeding, and theoretical and technical foundations are laid for improving the low-temperature stress resistance of plants and cultivating new varieties of cold-resistant plants by using molecular means; the method has an important application value in quality and efficiency improvement and cold-resistant variety breeding in the azalea industry.

The utility model belongs to the technical field of aerial cables, and particularly relates to a highly wear-resistant aerial cable, which comprises a conductor and an insulating layer, the insulating layer is arranged on the peripheral side of the conductor, a heat-insulating layer is arranged on the peripheral side of the insulating layer, a heat-resistant reinforcing layer is arranged on the peripheral side of the heat-insulating layer, a heat-resistant layer is arranged on the peripheral side of the heat-resistant reinforcing layer, and a flame-retardant layer is arranged on the peripheral side of the heat-resistant layer. A protective layer is arranged on the peripheral side of the flame-retardant layer, and a wear-resistant coating is arranged on the peripheral side of the protective layer. According to the utility model, the problems that when the cable is exposed in the sun for a long time, the material on the surface of the cable is possibly subjected to thermal aging and further cracks due to poor high temperature resistance of the cable are solved, and the problem that the cable is loosened or fractured due to structural damage caused by frictional wear in the long-term use process is solved.

This invention discloses an emergency product and method for hypothermia protection in low-temperature environments, belonging to the field of hypothermia protection and emergency care. This invention is the first to apply triiodothyronine (T3) to the preparation of an emergency product for hypothermia protection in low-temperature environments, fully utilizing T3's ability to rapidly increase heat production in tissues such as brown adipose tissue, thereby enhancing the body's active heat production capacity. Combining the physiological metabolic characteristics of the human body with the pharmacological properties of T3, this invention has achieved excellent results in animal experiments. On the one hand, T3 can maintain the core body temperature of hypothermic experimental animals at a higher level for a longer period, resulting in increased swimming time and extending the golden time for rescue. On the other hand, it can effectively improve the recovery of body temperature after rescue, significantly increasing the success rate of treatment. However, when using T4, which is considered more effective in conventional clinical settings, no significant improvement in these two aspects was observed, fully demonstrating the specificity and superiority of T3.

The invention discloses a cold-resistant and stretch-resistant high-voltage cable, and relates to the technical field of high-voltage cables, the cold-resistant and stretch-resistant high-voltage cable comprises a metal conductor, the outer side of the metal conductor is coated with an internal insulating layer, and the outer sides of a plurality of internal insulating layers are jointly coated with a limiting silicon rubber sleeve; the outer side of the limiting silica gel sleeve is sequentially coated with a rubber protection layer, a metal shielding layer and an external rubber protection layer, and the outer side of the external rubber protection layer is sleeved with a counterweight clamping bottom ring. The cable is prevented from being broken due to too low temperature in cold weather, the overall service life of the cable is effectively prolonged, meanwhile, auxiliary heating pressurization is actively performed on the outer side of the cable, snow and ice shells on the outer side of the cable are melted and subjected to spalling cleaning through auxiliary heating and outer diameter expansion of the cable, and the service life of the cable is prolonged. The cleaning mode of the cable in rainy and snowy weather is optimized, and the cleaning and maintenance cost of the cable in cold weather is reduced.

This invention discloses a StGAD1 The application of genes in regulating low-temperature resistance in potatoes belongs to the field of biotechnology. This invention is the first to obtain potato glutamate decarboxylase in potatoes. StGAD1 Genes, and through the use of Agrobacterium-mediated methods StGAD1 Gene knockout in potatoes was used for functional verification, and the results were obtained. StGAD1 Gene deletion makes potato plants more sensitive to cold stress, reflecting StGAD1 Genes play an important role in responding to low temperature stress, opening up new avenues for crop stress resistance breeding.

The present application belongs to the field of fertilizer preparation, and particularly relates to an active silicon-calcium-potassium-magnesium fertilizer, and preparation and application thereof. The active silicon-calcium-potassium-magnesium fertilizer contains biomass ash 60%, mineral humic acid 30% and binder 10% by weight. The active silicon-calcium-potassium-magnesium fertilizer is used as base fertilizer or topdressing. When used as base fertilizer, the application amount is 200 kg, and when used as topdressing, the application amount is 50 kg. The present application uses biomass ash of a biomass thermal power plant as the main raw material, adds appropriate amount of mineral humic acid, uses clay as binder, and uses granulation process to prepare granules, and then uses film spraying technology to inoculate functional bacterial agent. On the one hand, the present application solves the resource recycling of a large amount of biomass ash of a biomass power plant, and on the other hand, the present application improves the activity of silicon, calcium, potassium and magnesium in the product, and meets the needs of crops for silicon, calcium, potassium and magnesium.

The invention discloses a TabHLH062 protein and application of a coding gene of the TabHLH062 protein in regulation and control of cold tolerance of plants. The TabHLH062 protein is derived from wheat (Triticum aestivum L.). The gene for coding the TabHLH062 protein also belongs to the protection range of the invention. The gene for coding the protein TabHLH062 is named as the gene TabHLH062. The invention also protects the application of the TabHLH062 protein in regulating and controlling the cold resistance of the plant. The invention is of great significance to research and application of plant cold resistance. According to the invention, the gene engineering technology is utilized to inhibit the expression of the TabHLH062 gene, so that the cold resistance of wheat is obviously enhanced. The invention is of great significance to research and application of plant cold resistance.

The application discloses a T5H gene from Hippophae rhamnoides and application of a protein coded by the T5H gene in improving cold resistance of plants, and belongs to the technical field of biotechnology. The T5H gene from Hippophae rhamnoides and the protein coded by the T5H gene can enhance survival rate and cold resistance of plants (such as crops) under low-temperature stress, and have wide application prospect and popularization value in agricultural production practice.

The invention provides an aluminum-based silicon carbide composite plate strip, and relates to the technical field of plate strips, a high-temperature transition layer is used for realizing gradient transition of high-temperature resistance and thermal stress, can effectively relieve high-temperature temperature difference stress between a zirconium modified pure aluminum anti-cracking main body layer and the high-temperature transition layer of a plate, and avoids deformation and cracking of the whole structure of the plate due to overlarge cold and hot gradient; the low-temperature buffer layer is matched with the boron fiber enrichment transition layer, so that the high-temperature-resistant strength of the transition area can be further improved, the boron fiber enrichment transition layer is prevented from structural instability at high temperature, the low-temperature buffer layer can realize gradient transition of low-temperature resistance and stress, and the low-temperature shrinkage stress of the lower layer of the plate can be effectively relieved; the temperature-resistant composite main body layer can bear the stress of all upper-layer structures and uniformly disperse the stress to the whole region, stable support is provided for all upper-layer functional structures, meanwhile, the temperature resistance of the temperature-resistant composite main body layer is complementary with the temperature-resistant and low-temperature-resistant structures of all the layers, and finally the comprehensive effects of heat resistance, cold resistance, cracking resistance and protection of the plate are achieved.

The utility model provides an emergency water supply guarantee system suitable for drinking water safety in rural areas in alpine regions, which is characterized by comprising a semi-buried insulated house, a stainless steel insulated water tank, a variable-frequency constant-pressure system, a vacuum water return system, a water volume, water quality and water pressure series on-line monitoring and sensing system and a PLC (programmable logic controller) control platform. A stainless steel heat preservation water tank, a variable-frequency constant-pressure system, a vacuum water return system, a water volume, water quality and water pressure series online monitoring and sensing system and a PLC control platform are arranged in the semi-buried heat preservation house. The utility model provides an emergency water supply guarantee system suitable for drinking water safety in rural areas in alpine regions, and mainly solves the problems of water supply pipeline freezing and insufficient water supply stability under extremely cold conditions in winter. Through an integrated innovative design, a water supply guarantee system comprising heat preservation protection, pressure regulation and control, intelligent emptying, online monitoring and automatic control is constructed, and the cold resistance and the operation reliability of a pasturing area water supply system are effectively improved.

This utility model relates to the field of wheeled fire extinguishing technology, specifically to the structure of a cold-resistant wheeled water-based fire extinguishing device. It includes a storage cylinder, a top connector fixedly connected to the top of the storage cylinder, a bottom connector fixedly connected to the bottom of the storage cylinder, a liquid control seat on the surface of the top connector, a liquid pump frame at the top of the liquid control seat, and a heating unit at the bottom of the liquid control seat. This utility model, through the configuration of the storage cylinder, top connector, bottom connector, liquid control seat, liquid pump frame, heating unit, spiral stirring roller, first heating pad, side heating frame, side liquid delivery pipe, heating valve head, and second heating pad, enables the device to perform a more efficient dual heating operation of the extinguishing agent in a cold-resistant wheeled water-based fire extinguishing device. In actual use, the operator first fills the storage cylinder with the extinguishing agent to be used, and then controls the suction of the extinguishing agent at the liquid pump frame on the surface of the liquid control seat.

This invention discloses a thermosensitive molybdenum disulfide composite nanomaterial and its application in controlling crop chilling injury, belonging to the field of chilling agent technology. The invention utilizes a mixture of monomers (N-isopropylacrylamide and N-tert-butylacrylamide), a crosslinking agent, a surfactant, and a MoS2 dispersion, heated for a period of time; subsequently, an initiator is added, and the reaction continues for a period of time; after the reaction is completed, the mixture is cooled and dialyzed to obtain the thermosensitive molybdenum disulfide composite nanomaterial. This composite nanomaterial is dispersed in water to prepare a suspension, which is then applied to crops such as corn and soybeans via foliar spraying, thereby enhancing their cold resistance and increasing the biomass of chilled crops such as corn and soybeans. The method of this invention is simple and efficient, and has good application prospects.