Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

198results about How to "Improve cold resistance" patented technology

Safe airtight cold-resistant low-smoke flame-retardant control cable used in explosive environment

ActiveCN119274861AImprove compression and impact resistanceImprove job stabilityPlastic/resin/waxes insulatorsInsulated cables
The invention discloses a safe airtight cold-resistant low-smoke flame-retardant control cable used in an explosion environment, and relates to the technical field of cables, a first hot melting pipe is filled with expanded graphite, the outer side of a wrapping tape is uniformly sleeved with protective iron rings at intervals, the outer sides of the protective iron rings are uniformly provided with fixing holes at intervals, and a communication port is formed between every two adjacent fixing holes; according to the invention, the heat insulation cotton, the compression-resistant rib, the protection iron ring, the arc-shaped elastic sheet, the arc-shaped frame and the elastic roll absorb and buffer external force, so that the compression resistance and impact resistance of the cable are enhanced; the aluminum hydroxide powder absorbs a large amount of heat and delays combustion, the expanded graphite in the first hot melting pipe is heated to expand, the expanded graphite is diffused to a gap between the shielding layer and the wrapping layer, flame is prevented from combusting to the interior of the cable, the working time is prolonged, and the economic loss is reduced.
Owner:ANHUI PACIFIC CABLE CO LTD

Multi-effect biological fermentation essence milk containing skin external preparation as well as preparation method and application of multi-effect biological fermentation essence milk

The invention discloses a multi-effect biological fermentation essence milk containing a skin external preparation and a preparation method and application thereof, and the preparation method specifically comprises the following steps: inoculating saccharomycetes into a fermentation substrate composed of coix seeds, sorghum seeds, vegetable oil and water, and carrying out fermentation culture and sterilization to obtain the fermentation essence milk, wherein the saccharomycetes are composed of yellow wine saccharomycetes and saccharomyces cerevisiae, and the viable count ratio of the yellow wine saccharomycetes to the saccharomyces cerevisiae is 1: (0.5-5). According to the present invention, the active components of coix seed and vegetable oil are effectively utilized by using the yellow wine yeast and the saccharomyces cerevisiae in the fermentation manner so as to obtain the fermented essence milk containing the active components of natural plants, such that the loss of the active components is reduced while the fermented essence milk has good repairing, tightening and anti-aging effects, and does not have any side effect; under the condition that no additive is added, the cold-resistant and heat-resistant oil has ideal cold-resistant and heat-resistant stability, and can be widely applied to the field of cosmetics.
Owner:BEISHANG JIAMEI (BEIJING) TECH CO LTD +1

Rice cold tolerance negative regulation gene OsbHLH090 and application thereof

The invention belongs to the technical field of plant genetic engineering, and particularly relates to a rice cold tolerance negative regulation gene OsbHLH090 and application thereof. The nucleotide sequence of the gene is shown as a sequence table SEQ ID NO: 1, and the coded amino acid sequence is shown as a sequence table SEQ ID NO: 2. According to the invention, the rice OsbHLH090 gene is edited by using a CRISPR-Cas9 gene editing technology, and the gene is knocked out to obtain the cold-sensitive rice mutant. The method comprises the following steps: cloning OsbHLH090CDS into a pC1390U vector, and constructing an overexpression vector; under cold stress, the survival rate of the mutant is higher than that of a wild type, and the survival rate of overexpressed transgenic rice is lower than that of the wild type, so that the OsbHLH090 gene is an important negative regulation factor in a rice cold-tolerant approach. The invention provides a new resource for cold-resistant breeding of plants and rice.
Owner:NANJING AGRICULTURAL UNIVERSITY

Airtight cold-resistant low-smoke flame-retardant instrument cable used in explosive environment

The invention relates to the technical field of cables, in particular to an airtight cold-resistant low-smoke flame-retardant instrument cable used in an explosive environment, which comprises a protective sleeve, a cable body mechanism is arranged in the protective sleeve, the cable body mechanism comprises inner sheaths, and a plurality of inner sheaths are uniformly mounted in the protective sleeve at equal intervals. According to the invention, heat dissipated in the use process of the cable can be utilized to preheat the main body structure of the cable, so that the cold resistance of the cable is improved while internal heat dissipation is promoted; according to the invention, the structure of the cable is improved, the connection stability among the structures of the cable can be improved, the air tightness of the cable is effectively improved, the throttling effect of the heat insulation shell and the guide ring can be fully utilized, the flame retardance of the cable is improved, the cable can be better matched with the external environment, and the application range of the cable can be effectively expanded while the working stability of the cable is improved.
Owner:ANHUI PACIFIC CABLE CO LTD

Fast-curing epoxy resin adhesive as well as preparation method and application thereof

The invention relates to the field of C09J163 / 00, in particular to a fast-curing epoxy resin adhesive and a preparation method and application thereof. The fast-curing epoxy resin adhesive is composed of a component A and a component B, the component A at least comprises the following preparation raw materials: epoxy resin, a filler A, a diluent, a flexibilizer and a coupling agent A; the component B at least comprises the following preparation raw materials: a curing agent, a filler B, an accelerant and a coupling agent B; the curing agent is a combination of a polythiol curing agent and at least one of a phenolic aldehyde amine curing agent and a polyamide curing agent, by optimizing a formula system, the operable time (pot life), the curing speed and the hardness after curing of the product are effectively balanced, the product is rapidly cured within the proper operable time, the hardness after curing can be guaranteed, and the service life of the product is prolonged. And the actual application requirements of pipeline cold welding emergency repair are met.
Owner:SUZHOU BOYUE NEW MATERIAL TECH CO LTD +1

Branch pipeline for adjusting flow through centrifugal pump

The utility model discloses a branch pipeline utilizing a centrifugal pump to adjust flow, which comprises a main water tank, a water outlet pipe is arranged at the bottom of the main water tank, the side face of the water outlet pipe is connected with a water outlet branch pipe through a centrifugal pump, and a return pipe is connected between the water outlet branch pipe and the upper end of the main water tank. According to the utility model, the combination of the return pipe and the flow velocity sensor is introduced, so that unstable water flow can be automatically guided back to the main water tank at the initial stage of starting of the centrifugal pump, and the damage to the water outlet branch pipe caused by water flow impact is effectively avoided. By means of the design, the aging speed of the pipeline is remarkably reduced, the service life of the pipeline is prolonged, and the maintenance cost and the water cut-off time caused by pipeline damage are reduced.
Owner:LANZHOU YUZHONG PHARM TECH CO LTD

Application of SlSYP51 gene and protein coded by SlSYP51 gene in regulation and control of tomato cold resistance

The invention is suitable for the technical field of molecular biology, and provides an application of an SlSYP51 gene and a protein coded by the SlSYP51 gene in regulating and controlling the cold resistance of tomatoes. The nucleotide sequence of the SlSYP51 gene is as shown in SEQ ID No. 1, and the amino acid sequence of the protein coded by the SlSYP51 gene is as shown in SEQ ID No. 2. According to the invention, the SlSYP51 gene is transferred into a tomato plant in an agrobacterium tumefaciens-mediated manner, and the cold resistance of the SlSYP51 overexpression plant is higher than that of a wild tomato plant. After treatment at 4 DEG C for 2 days, compared with SlSYP51 overexpressed plants, leaves of wild tomato plants are obviously withered and curled up, and the damage degree is more serious. Overexpression of the SlSYP51 gene enhances the activity of antioxidant enzyme and improves the cold resistance of tomato plants. The invention discloses a new way for conducting the cold-resistant signal of the tomato, and provides a gene resource for cultivating a new variety of the cold-resistant tomato.
Owner:JILIN UNIVERSITY

Selenium-rich foliar fertilizer and preparation method thereof

The invention discloses a selenium-rich foliar fertilizer and a preparation method thereof. The selenium-rich foliar fertilizer comprises the following raw materials in parts by weight: 0.01-0.1 part of a selenium compound, 1-5 parts of a carrier and an auxiliary agent, 0.05-0.3 part of a trace element additive, 10-20 parts of an organic material, 0.1-1 part of a seaweed extract, 0.1-2 parts of a microbial preparation, 0.01-0.1 part of a plant growth regulator, 1-2 parts of silicate and 1-2 parts of montmorillonite. The selenium-rich foliar fertilizer has the advantages of antibiosis and insect pest prevention, and solves the problems that in the preparation process of existing selenium-rich foliar fertilizers, natural materials are inconvenient to use for antibiosis and insect pest resistance, chemical pesticides possibly need to be additionally used for controlling insect pests, the production cost is increased, and chemical pesticide residues are possibly caused; the food safety and the environmental health are influenced.
Owner:HEBEI DEYUAN AGRICULTURAL TECHNOLOGY CO LTD

Application of autophagy related gene VaATG6 in regulation and control of grape cold resistance

The invention relates to the technical field of plant genetic engineering, in particular to application of an autophagy related gene VaATG6 in regulation and control of grape cold resistance. The VaATG6 gene disclosed by the invention has a remarkable effect on regulating and controlling the low-temperature stress resistance of grapes. By overexpressing the VaATG6 gene in the grape, the autophagy activity is improved, and the anti-freezing capability of the grape is remarkably enhanced; and the autophagy activity is reduced by knocking out the gene, so that the grapes are more sensitive to low-temperature stress. The invention confirms that the VaATG6 gene is a positive regulatory factor for the cold resistance of grapes, provides an important molecular tool for cultivating a new variety of cold-resistant grapes, and has a wide agricultural application prospect.
Owner:NINGXIA UNIVERSITY

Cold-resistant material as well as preparation method and application thereof

The invention discloses a cold-resistant material, which is prepared from the following raw materials in parts by weight: 20 to 25 parts of EVA (Ethylene Vinyl Acetate) with the VA (Vinyl Acetate) content of 28 percent, 15 to 20 parts of EVA with the VA content of 18 percent or 33 percent, 10 to 15 parts of cold-resistant mixture, 15 to 20 parts of POE (Polyolefin Elastomer), 5 to 6 parts of ethylene propylene diene monomer, 6 to 8 parts of wear-resistant agent, 0.3 to 0.5 part of stearic acid, 0.5 to 0.6 part of zinc stearate, 0.8 to 1.0 part of zinc oxide, 0.35 to 0.40 part of bridging agent and 3.0 to 3.2 parts of high-temperature foaming agent, wherein the cold-resistant mixture comprises 50-60 parts of SEBS, 20-30 parts of aliphatic dibasic acid ester, 10-20 parts of EVA with the VA content being 40% and 10-20 parts of naphthenic oil, the content of styrene in the SEBS is 20%, the content of butadiene is 80%, the raw materials are sequentially subjected to mixing, granulation, secondary mixing and secondary granulation, and the cold-resistant material with the good cold resistance is obtained and can be applied to shoe sole manufacturing.
Owner:XTEPCHINA

High-resistance composite fiber floating wetland

The utility model relates to a high-resistance composite fiber floating wetland which comprises a plurality of main bodies which are detachably and mutually spliced on the same plane, and each main body comprises two resistance layers which are symmetrically arranged up and down and a carrier layer which is arranged between the two resistance layers; a first sleeve and a second sleeve which are transversely arranged and vertically distributed are also inserted and fixed in the carrier layer; the height of the first sleeve is different from that of the second sleeve, so that the first sleeve and the second sleeve are staggered up and down without contact; a bonding layer is filled between the carrier layer and each of the two resistant layers; according to the utility model, the service life is longer; the floatability is effectively improved, so that the wind wave resistance is improved; in addition, the cold resistance of the aquatic plants is improved, a three-dimensional space required by breeding is provided for the aquatic plants, the breeding speed of the aquatic plants is greatly increased, the planting density of the aquatic plants is rapidly increased, and the water purification capacity is remarkably improved.
Owner:NINGBO INST OF ECOLOGICAL & ENVIRONMENTAL SCI (ENVIRONMENTAL ENG TECH ASSESSMENT CENT OF NINGBO ECOLOGICAL ENVIRONMENT BUREAU)

Soil improvement fertilizer and application thereof in saline-alkali soil improvement

The invention relates to the technical field of soil improvement, and discloses a soil improvement fertilizer and application thereof in saline-alkali soil improvement, a preparation method of the soil improvement fertilizer comprises the following steps: mixing cow dung, chicken manure and straw, and carrying out anaerobic fermentation to obtain an organic fertilizer; mixing soybean, corn and seaweed, performing enzyme catalysis treatment, and extracting to obtain an amino acid liquid fertilizer; soaking brown algae in hot water, filtering and concentrating to obtain a seaweed extract; uniformly mixing silicate minerals, natural gypsum powder, the organic fertilizer, the amino acid liquid fertilizer and the seaweed extract, and sequentially drying and crushing to obtain the soil improvement fertilizer. According to the soil improvement fertilizer disclosed by the invention, various components such as the organic fertilizer, the amino acid liquid fertilizer, the seaweed extract, the silicate minerals and the gypsum powder are meticulously proportioned, so that the soil fertility can be remarkably improved, the soil structure is optimized, the growth of plant root systems is promoted, the stress resistance of plants is enhanced, and the sustainable utilization of soil is improved for a long time.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI +1

Rice cultivation method capable of effectively preventing low-temperature cold damage

The invention discloses a rice cultivation method capable of effectively preventing low-temperature cold damage, and relates to the technical field of agricultural planting. The method aims at solving the problems that the low-temperature-resistant potential of seeds cannot be brought into full play, plough layer conditioning measures are not meticulous enough, and personalized schemes for different soil types and low-temperature environments cannot be achieved. Through technical measures of rice germplasm treatment, cultivation soil treatment, field management and the like, the cold resistance of the rice is effectively improved, the rice can still keep a good growth condition in low-temperature cold damage weather, meanwhile, the soil quality is improved, a foundation is laid for sustainable agricultural development, and the method is worthy of popularization and application. Through low-temperature climate data analysis, early warning system establishment and emergency response mechanism matching, the stability and risk resistance of agricultural production are improved, innovation and development of a rice planting technology are promoted, the rice quality is improved, the requirement of the market for high-quality rice is met, and higher economic benefits are brought to farmers.
Owner:ANHUI XINFU XIANGTIAN ECOLOGICAL AGRI CO LTD +1

Method and application of low-temperature response gene PbbZIP44 in enhancing cold resistance of plants

The invention provides a cold-resistant gene PbbZIP44 which is separated and cloned from a pyrus betulaefolia stock and contains a BRZL structural domain, and provides application of the gene in improvement of cold resistance of plants. An over-expression vector and a silent vector of the PbbZIP44 gene are constructed, and are introduced into arabidopsis thaliana, pyrus calluses and pyrus betulaefolia seedlings by using an agrobacterium tumefaciens-mediated genetic transformation method, so that stable expression and transient expression are realized, and a stable over-expression plant and a TRV-mediated silent strain are obtained and are used for low-temperature resistance function analysis. A research result shows that under a low-temperature stress condition, compared with a wild type plant, an overexpression strain shows a stronger growth state, lower malondialdehyde content and relative conductivity, and higher photosynthetic efficiency and oxidation resistance; and the silent strain shows an opposite physiological reaction.
Owner:YANGZHOU UNIV

Sealing ring with high toughness

ActiveCN222334485UImprove corrosion resistanceImprove overall performanceEngine sealsNeopreneCold resistance
The utility model discloses a sealing ring with high toughness, which comprises a sealing ring main body, the sealing ring main body comprises a base layer, the outer side of the base layer is provided with a high-temperature-resistant layer, the outer side of the high-temperature-resistant layer is provided with a wear-resistant layer, and a plurality of uniformly distributed connecting blocks are embedded in the sealing ring main body. The sealing ring has good heat resistance and cold resistance, so that the sealing ring can be used in an extreme environment, the service life is prolonged, the wear-resistant layer is made of chloroprene rubber, the wear-resistant layer is located on the surface layer, the oil resistance is extremely good, the wear resistance is high, the heat resistance is good, the bonding force is high, the wear resistance of the sealing ring is effectively improved, and the service life of the sealing ring is prolonged. And the multiple connecting pieces are connected end to end through the connecting blocks to form a polygonal structure, the traction effect is achieved, the connecting pieces have the characteristic of high toughness, and the toughness and the deformation resistance of the sealing ring body can be enhanced.
Owner:WUXI NAITE SEALING TECH CO LTD

Super-soft distortion-resistant cable and manufacturing method thereof

The invention relates to the field of cables, and discloses a super-soft distortion-resistant cable and a manufacturing method thereof.The super-soft distortion-resistant cable comprises a conductor layer, the conductor layer is formed by twisting tin-plated copper filaments with the wire diameter being 0.1 mm-0. 5mm, the surface of the conductor layer is coated with a layer of high-temperature-resistant coating, an insulating layer is arranged on the outer side of the conductor layer, and the insulating layer is arranged on the outer side of the conductor layer. The insulating layer is prepared by blending polyurethane and a thermoplastic elastomer material, an ultraviolet light absorber, an anti-aging agent and a cold-resistant plasticizer are added during manufacturing, an isolating layer is arranged on the outer side of the insulating layer, and the isolating layer is prepared by compounding a polyester film and a polyethylene material. Polyurethane can provide flexibility and wear resistance, polyethylene can increase flexibility and chemical resistance, polyurethane can increase flexibility and wear resistance, and the enhancement layer can improve the mechanical strength and durability of the cable, so that the super-flexibility and distortion resistance of the cable are further improved, and the applicability of the cable is enhanced.
Owner:JIANGSU QIAOPU WIRE & CABLE CO LTD

Shoe material and preparation method thereof

InactiveCN119431910AAccelerate vulcanization reactionHigh bonding strengthFootwearFiberCarbon fibers
The invention discloses a shoe material and a preparation method thereof. The shoe material is prepared from the following raw materials in parts by weight: 15 to 25 parts of natural rubber, 30 to 45 parts of butadiene rubber, 18 to 24 parts of solution polymerized styrene-butadiene rubber, 8 to 15 parts of modified inorganic filler, 5 to 8 parts of lubricant, 5 to 10 parts of antioxidant, 2 to 5 parts of plasticizer, 3.5 to 6 parts of vulcanization accelerator, 2 to 4 parts of anti-aging agent and 15 to 25 parts of modified carbon fiber. By modifying the filler white carbon black and the carbon fiber, the compatibility and bonding strength among the white carbon black, the carbon fiber and the rubber base material are improved, so that the mechanical property, the tear resistance, the wear resistance, the skid resistance, the aging resistance, the corrosion resistance and the elasticity of the shoe material are remarkably improved.
Owner:温州巨一鞋业有限公司

Method for improving tobacco field soil in high-altitude cold area

The invention provides an improvement method for tobacco field soil in a high-altitude cold area, and belongs to the technical field of tobacco field soil improvement. The improvement method provided by the invention comprises the following steps: (1) in the later period of tobacco leaf picking or after tobacco leaf harvesting and soil preparation, spreading leguminous green manure, and after 10-30 days, spreading cruciferous green manure; 2, 25-35 days before tobacco transplanting, green manure is turned over and returned to the field, and meanwhile biochar is applied; and (3) preparing soil and ridging, applying a special fertilizer for tobacco, transplanting the tobacco, and applying a microbial agent when the tobacco is transplanted. According to the improvement method provided by the invention, the green manure green-pressing biomass can be remarkably improved, the soil fertility is improved, the activity and function of soil microorganisms are improved, the yield and quality of tobacco leaves are improved, the sustainable development of tobacco leaf production is promoted, and remarkable social benefits and economic benefits are generated.
Owner:GUIZHOU TOBACCO CO LIUPANSHUI CO

Railway digital signal cable

The invention discloses a railway digital signal cable, and relates to the technical field of cables, the railway digital signal cable comprises a cable body, and the outer surface of the cable body is provided with a protection assembly. When the protective assembly is used, the protective assembly is dragged to a position where the protective assembly needs to be installed, and then one end of the tightening belt is lifted upwards, so that the clamping column is separated from the elastic hole. When the cable is tightened, the tightening sleeve is pinched to wrap the outer surface of the cable body, then the tightening belt is tightened in the direction of the loop side of the hook-and-loop fastener to be tightly wound on the outer surface of the tightening sleeve, and the tightening belt is pressed to enable the clamping column to penetrate through the elastic hole to fix the tightened tightening belt. When the cable body is installed, the fixing clamp is sleeved on the protective sleeve, so that the protective sleeve is not in direct contact with the cable body, the cable body is protected, the cable body is prevented from being abraded by the clamp, the service life of the cable body is prolonged, and the stability of signal transmission is improved.
Owner:WUWEI POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CO LTD

Method for improving properties of soil in alpine gobi area

The invention discloses a high and cold gobi area soil attribute improvement method, which belongs to the technical field of soil improvement, and is realized through five steps of sampling analysis, improvement and allocation, sowing, rotary tillage and water spraying. According to the improvement method, the pH value, salinization and organic matter content of the soil in the high and cold gobi area are effectively improved by reasonably blending the materials such as the organic fertilizer and the mineral soil conditioner, and the sustainability of the soil is enhanced. The improved soil not only can support current crop growth, but also provides a more stable and long-term basis for future agricultural production. By improving the soil fertility, the crop yield and the growth quality, the improved soil brings higher economic benefits to farmers. According to the method, by adjusting the pH value and reducing the salinity of the soil, the biological availability of the soil is improved, the soil salinization process is effectively restrained, the long-term negative influence of salinization on agricultural production is avoided, and soil health can be kept.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST +1

Rubber waterstop suitable for low-temperature environment of tunnel in cold region and preparation method of rubber waterstop

The invention relates to the technical field of rubber waterstops, and discloses a rubber waterstop suitable for a low-temperature environment of a tunnel in a cold region and a preparation method of the rubber waterstop. The rubber waterstop suitable for the low-temperature environment of the tunnel in the cold region is prepared from the following raw materials in parts by mass: 100 to 150 parts of ethylene propylene diene monomer, 5 to 15 parts of homopolymerized epichlorohydrin rubber, 20 to 40 parts of acrylate rubber, 1 to 3 parts of liquid nitrile rubber, 0.01 to 0.1 part of phthalic anhydride, 5 to 10 parts of nano graphene oxide, 1 to 3 parts of tetraethoxysilane, 1 to 2 parts of amino silane and 40 to 60 parts of reinforcing agent. 1-3 parts of an anti-aging agent, 1-5 parts of a plasticizer, 1-2 parts of a vulcanizing agent and 1-2 parts of an accelerant. The obtained water stop belt is excellent in mechanical performance, tensile strength, tearing strength and compression set at the low temperature of-40 DEG C are excellent, cracking is avoided at the low temperature, and the water stop belt can better adapt to the extreme environment.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

New gene OsWRKY24 influencing cold resistance of rice and identification method thereof

The invention discloses a novel gene OsWRKY24 influencing cold resistance of rice and an identification method thereof. The novel gene OsWRKY24 is prepared by comparative transcriptome research screening carried out by near-isogenic lines Towada and ZL31 in a rice seedling stage under cold stress. A rice seedling stage cold tolerance related gene OsWRKY24 is screened by utilizing a transcriptome re-sequencing method, the function of the gene is verified by constructing a transgenic knockout material, and meanwhile, a gene sequence, an amino acid sequence, a promoter sequence, expression characteristics and a phylogenetic tree are analyzed; theoretical basis and gene resources are provided for cold-resistant improvement and breeding of rice; a novel rice cold sensitive gene OsWRKY24 is identified, and the cold tolerance of rice can be improved by gene mutation.
Owner:INST OF FOOD CROPS HUBEI ACAD OF AGRI SCI

Tread rubber composition, tread rubber and tire for low-temperature ice surface

The invention provides a tread rubber composition, tread rubber and a tire for a low-temperature ice surface. The tread rubber composition comprises 30-70 parts of natural rubber, 10-40 parts of butadiene rubber, 15-30 parts of modified trioctyl phosphate, 5-20 parts of nano diene, 40-60 parts of white carbon black, 2-4 parts of zinc oxide, 3-10 parts of a silane coupling agent, 1-2 parts of stearic acid, 1-2 parts of sulfur, 1-3 parts of an accelerant and 3-10 parts of an anti-aging agent. By optimizing the formula and selecting the materials, the road holding force and the wear resistance of the obtained tread rubber composition under the low-temperature ice surface condition are remarkably improved. Particularly, due to the introduction of the modified trioctyl phosphate, the low-temperature performance and the wet skid resistance of the rubber are enhanced, and due to the use of the nano diene, the mechanical strength and the cold resistance of the material are further improved.
Owner:SAILUN GRP CO LTD

Liriodendron hybrids LhDof6 gene as well as expression protein and application thereof

The invention discloses a liriodendron hybrids LhDof6 gene as well as an expression protein and application thereof, and relates to the technical field of plant genetic engineering. The nucleotide sequence of the Liriodendron hybrids LhDof6 gene disclosed by the invention is shown as SEQ ID NO.1, and the amino acid sequence of the expression protein of the Liriodendron hybrids LhDof6 gene is shown as SEQ ID NO.2. After an expression vector of the hybrid liriodendron LhDof6 gene is constructed, the expression vector is transformed into the hybrid liriodendron; and cultivating and screening to obtain the transgenic hybrid liriodendron plants with obviously improved abiotic stress resistance. The LhDof6 gene disclosed by the invention promotes the extension of hypocotyl of somatic embryo seedlings, so that plant leaves are darker green, and the synthesis of chlorophyll of the plant leaves is promoted; the cold resistance of the hybrid liriodendron plants is improved, and the survival rate of the hybrid liriodendron in an extreme environment is improved; the anti-freezing capability of the plants is improved, and the death rate of the hybrid liriodendron plants after freezing injury is reduced.
Owner:NANJING FORESTRY UNIV +1

A highway roadbed composite material and roadbed manufacturing method

A highway roadbed composite material and a roadbed manufacturing method, belonging to the technical field of highway construction, the present invention provides a highway roadbed composite material comprising: a base layer, composed of oil shale waste residue, slag, crushed stone and fly ash; a cold-resistant layer compounded on the base layer, composed of impact-resistant polystyrene, water reducer and quicklime; a wear-resistant layer compounded on the cold-resistant layer, composed of waste rubber, carbon black and additives. The roadbed manufactured by the present invention has the characteristics of cold resistance and wear resistance, excellent low-temperature impact resistance, low manufacturing cost, and energy-saving and environmental protection, meeting the requirements of highway roadbed design specifications and the strength and deformation requirements of highway roadbeds. In addition, the roadbed manufactured by the present invention has a long service life, is safe and reliable to use, has a wide range of applications, and has a simple manufacturing process without the need for large-scale equipment.
Owner:中铁吉林投资建设有限公司

Wear-resistant carbon fiber polyether-ether-ketone composite material and preparation method thereof

The invention belongs to the technical field of high polymer materials, and particularly relates to an anti-wear carbon fiber polyether-ether-ketone composite material and a preparation method thereof. The composite material is prepared from the following raw materials in parts by weight: 70 to 80 parts of polyether-ether-ketone, 10 to 15 parts of polydopamine modified carbon fiber, 8 to 12 parts of inorganic filler and 0.1 to 1 part of C8-C24 fatty acid. The composite material provided by the invention has excellent mechanical properties and wear resistance, and also has excellent low temperature resistance.
Owner:GUANGDONG ZHONGCHENG SPECIAL MATERIALS CO LTD

Application of Phaseolus vulgaris PvMYB306-like gene in regulating cold tolerance of plants

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.
Owner:SICHUAN AGRI UNIV

A cold-resistant, low-smoke, airtight explosion-proof control cable and its manufacturing method

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.
Owner:ANHUI PACIFIC CABLE CO LTD

Cucumber Cold Tolerance Gene CsVQ12 and Its Application

The invention relates to a cucumber cold-resistant gene and its application, and belongs to the field of genetic engineering. The invention finds that the cucumber CsVQ12 gene has a cold-resistant effect, and overexpression of CsVQ12 can improve plant cold resistance and advance flowering.
Owner:JIANGXI AGRICULTURAL UNIVERSITY