4169results about How to "Improve cold resistance" patented technology

The invention discloses a bactericide pesticide composite containing oligochitosan, which comprises a component A and a component B, wherein the component A is oligochitosan or a derivative of the oligochitosan; and the component B is one or several of active compounds. The pesticide composition can produce a synergistic action, reduce the dosage of a chemically synthetic bactericide, prevent or delay the medicament resistance of the bactericide, improve crop stress resistance and yield, regulate metabolic balance in plant bodies and improve quality of agricultural products, improve the application safety of the bactericide and is more safe to ecological environmental and human bodies.

The invention relates to a bio-organic compound fertilizer, which comprises the following components in part by weight: 10 to 30 parts of organic matter, 2 to 10 parts of compound microbial inoculants, 5 to 20 parts of humic acid, 5 to 20 parts of amino acid, 4 to 10 parts of chitin, 1 to 5 parts of polypeptide, 530 parts of nitrogen, phosphorus and potassium, 5 to 10 parts of secondary and trace elements, 5 to 15 parts of algae fertilizer, 5 to 10 parts of zeolite powder and 1 to 5 parts of synergistic agent. Through the scientific and rational formula, the bio-organic compound fertilizer achieves nutritive equilibrium and can satisfy the need of crop growth in nutrient. The microbial inoculants are added to quickly degrade natural macromolecular organic compounds into the organic fertilizer and decompose organic pollutants, which effectively improves the capacity of crops in the absorption of nutrient components, reduces the waste of the fertilizer and reduces the damage of the chemical fertilizer to soil to further achieve the nutritive equilibrium, satisfy the need of the crop growth in the nutrient, achieve the aims of low investment and high output value, improve the quality of the crops and improve the economic benefit brought by the crops.

A nitrile rubber composition containing a carboxyl group-containing nitrile rubber and a reactive silicone oil and cross-linked rubber obtained by using that nitrile rubber composition are provided. Further, a rubber composition for sliding member use containing a carboxyl group-containing rubber which contains carboxyl group-containing monomer units in a ratio of 0.1 to 20 wt %, a content ratio of monomer units which have unsaturated carbon-carbon double bonds of 20 wt % or less, and a content ratio of monomer units which have halogen atoms of 5 wt % or less and a reactive silicone oil is provided.

The invention relates to a low cost and high efficient soundproof material and a manufacturing method thereof, relates to the field of soundproof materials, solves the problems that in the prior art, soundproof materials do not have a prominent soundproofing effect, generate harmful gas, which can harm the human health, and have a high cost; and provides a low cost and high efficient soundproof material. The soundproof material comprises thermoplastic resin and an inorganic filling material, wherein the surface of the inorganic filling material has been processed by a coupling agent processing liquid, the inorganic filling material accounts for 15 to 80 wt% of the total weight of the soundproof material, and the balance being thermoplastic resin. In the soundproof material, the connections among the particles are abnormal, thus the internal friction of the incident sound waves is increased by the structure of the soundproof material, and a relaxation effect is generated to absorb the sound waves. Filling materials with different particle sizes are corresponding to waves in different wavelengths or frequencies, so the soundproof material can reduce sounds in different frequencies. Moreover the soundproof material has a good soundproof effect and is suitable for being promoted and used.

Polynucleotides and polypeptides incorporated into expression vectors have been introduced into plants and were ectopically expressed. The polypeptides of the invention have been shown to confer at least one regulatory activity and confer increased yield, greater height, greater early season growth, greater canopy coverage, greater stem diameter, greater late season vigor, increased secondary rooting, more rapid germination, greater cold tolerance, greater tolerance to water deprivation, reduced stomatal conductance, altered C/N sensing, increased low nitrogen tolerance, increased low phosphorus tolerance, or increased tolerance to hyperosmotic stress as compared to the control plant as compared to a control plant.

The invention relates to the technical field of materials for synthetic leather, in particular to weak solvent aliphatic polyurethane resin for synthetic leather and a preparation method thereof. The weak solvent aliphatic polyurethane resin for synthetic leather is prepared from the following components by weight percent: 2-30 percent of aliphatic diisocyanate compound, 5-40 percent of polyester or polyether polyalcohol compound, 0-10 percent of micromolecule polyol chain extender, 0.1-13 percent of micromolecule polyamine chain extender, 0.01-1.0 percent of catalyst, 0.05-5.0 percent of assistant and 45-85 percent of organic mild solvent. The invention also discloses the preparation method of the weak solvent aliphatic polyurethane resin for synthetic leather. By adopting the technical scheme, the polyurethane resin with different solid contents, different viscosities and different modulus can by synthesized, the requirement of the synthetic leather is satisfied, and the synthetic leather product with high temperature resistance, cold resistance, anti-sticking performance and better external tensility of pigment can be prepared.

The invention relates to waterproof moisture permeation polyurethane paint used for textiles and a preparation method. The waterproof moisture permeation polyurethane paint is prepared from methyl diphenylene diisocyanate, toluene di-isocyanate, polyether glycol (with the molecular weight of 2000), linear dihydroxylated alkylsiloxane (with the molecular weight of 1000), polyester dihydric alcohol (with the molecular weight of 2000), trimethylolpropane, chain extending agents, sealing compounds, dibutyl tin laurate and solvents through the processes of pre-polymerization reaction, chain extension reaction and sealing reaction. The production process is simple, and the products have the advantages of self-crosslinking effect, soft hand feeling, good cold resistance performance, high moisture permeation performance, high water pressure resistance and little reduction after water pressure resistance washing.

The invention discloses a medlar and red date enzyme and a preparation method thereof, which belong to the technical field of enzyme preparation. Multi-strain composite fungi powder is adopted as a leavening agent; the medlar and the red date are adopted as main raw materials; dietary fiber, pectin hydrolyzate, seasoner extracting liquor, Chinese herbal medicine extracting liquor, enzyme stabilizer and other multifunctional auxiliary raw materials are scientifically compounded and modified; low-temperature processing technology such as ultrasonic cleaning, cryogenic grinding, microwave-assisted high-voltage pulse electric field processing and ultrasonic ripening are mainly adopted in the whole process, so that the natural colors, the flavor, the taste and the content of the active materials of the medlar and the red date are maintained furthest, the biological stability, the non-biological stability and the biological activity of the medlar and red date enzyme are obviously enhanced, the introduction of chemical addition agent is reduced, and the juicing rate of the medlar and the red date as well as the food safety of the enzyme are improved. Finally, the medlar and red date enzyme with high biological activity, strong stability, strong taste, flavor and appetite, long expiration date and edible safety is prepared.

The invention relates to a water-soluble plant growth nutrient solution and a preparation method. In the plant growth nutrient solution, the content of small molecular weight water-soluble chitosan accounts for 8-120g/L, the sum of the content of nitrogen, phosphorus and potassium is larger than or equal to 60g/L, the sum of the content of medium trace elements accounts for 3-30g/L, the content of organic matter accounts for 30-200g/L, the content of plant growth regulator accounts for 0.01-5g/L, and the content of spread penetrating agents is larger than or equal to 0.2g/L; the small molecular weight water-soluble chitosan is obtained through the preparation steps that chitosan is firstly subjected to alkalization of strong base, then subjected to carboxyl chemical modification, degraded through strong oxidant after carboxyl chemical modification and finally neutralized through acid. The water-soluble plant growth nutrient solution integrates the effects of nutritional complement, growth promotion, antibiosis, virus resistance, stress tolerance and the like and has multiple functions and effects of improving soil, preventing hardening, increasing ground temperature, resisting to disease, being tolerant to stress, resisting to continuous cropping, supplementing nutrition rapidly, raising the yield and improving fruit quality and the like.

The invention relates to a method for planting plums. The method is suitable for the popularization and development of plum planting areas in south of Sichuan areas. The detailed technical scheme is provided emphatically from aspects of planting, tree pruning, soil and fertilizer management, the prevention and control of plant diseases and insect pests and the like by the integrated management and cultivation of seedlings of plum trees and adult trees. The method has the advantages that 1, field planting is performed according to the standard, namely 40 to 45 plants are subjected to field planting in soil per mu by a method for purifying the plums and a method for increasing the yield, and the planting number is neither more nor less; 2, yield and efficiency are high, namely the yield of a single plant of 7-age trees reached 40 to 60 kilograms in 2011; 3, benefits can be achieved for multiple times by performing field planting once, and the tree age is 30 to 35 years; and 4, cold resistance is improved. By the technology, in a chasmogamous period, the cold resistance and a fruit-bearing rate can be ensured under the condition of low-temperature overcast and rainy weather, so the plums which are stably yielded are obtained.

The invention relates to a liquid compound biological fertilizer with long shelf life as well as a preparation method and application thereof. The liquid compound biological bacterial fertilizer comprises the following components in parts by weight: 2-5 parts of microbial thalli, 80-130 parts of compound nutrients, 10-30 parts of thalli protective agents and 0.5-3.0 parts of additives, wherein the microbial thalli is metered in terms of the wet weight of deposition obtained after fermentation liquor is centrifugalized, the microbial thalli include bacillus thuringiensis, bacillus megaterium, bacillus mucilaginosus and bacillus amyloliquefaciens, and the total viable count achieves 5*10<8>-5*10<9>/mL. The liquid compound biological bacterial fertilizer disclosed by the invention can be used as a biological pesticide, can be directly applied to the spraying of plant surfaces or applied to seed soaking, root irrigation, and the like, has the effects of insect resistance, phosphate solubilization, potassium solubilization, organic matter solubilization, pest resistance, and the like and is long in shelf life.

The invention provides a Chinese medicinal herb-seaweed fertilizer composite biological agent and a preparation method thereof. Effective constituents are extracted from Chinese medicinal herbs and seaweed, which are used as main raw materials, to prepare the biological composite preparation. The Chinese medicinal herb-seaweed fertilizer composite biological agent not only reserves biological active substances in seaweed, but also enhances the drug effect of the Chinese medicinal herbs as insecticide. The biological composite preparation contains rich Chinese medicinal herbs and multiple active substances in seaweed, thereby enhancing the photosynthesis of crops, enhancing the crop yield and product quality, enhancing the drought tolerance, cold tolerance and stress tolerance of the crops, accelerating prematurity and fruit setting rate, preventing and killing various soil insects and enhancing the disease resistance of the crops. The invention has the advantages of low cost, favorable solubility and environmental protection, and is convenient for popularization.

The invention discloses a sargassum organic liquid fertilizer and a preparation method thereof. The preparation method specially comprises the following steps: (1) ingredient treatment: adding 0.1-0.6 mass part of complex enzyme and 0.1-0.4 mass part of biological leaven to 100 mass parts of sargassum smashing liquid containing 70%-90% of water and then evenly mixing; (2) aerobic fermentation: putting the ingredient obtained in the step (1) in a fermentation tank, carrying out aerobic fermentation for 5-8 days at the temperature of 40-60 DGE C at the pH of 5-7 so as to obtain a fermentation broth; (3) filtration: fertilizing the fermentation broth obtained in the step (2) so as to obtain filtrate; and (4) complex formulation: blending the nutrition in the filtrate obtained in the step (3)so that the contents of nitrogen, phosphorus and potassium in the filtrate meet the following formula: N+P2O5+K2O>=100g/L. The preparation method disclosed by the invention has the advantages of quick fermentation, short production period and high fermentation degree, and is suitable for a large-scale production method for preparing the sargassum organic liquid fertilizer by virtue of a biological fermentation method.

The invention provides cement-emulsified asphalt mortar and a preparation method thereof. The cement-emulsified asphalt mortar comprises the following components in part by weight: 110 to 160 parts of emulsified asphalt, 10 to 30 parts of polymer emulsion, 90 to 100 parts of cement, 150 to 250 parts of sand, 0 to 0.5 part of strength modifier, 0 to 10 parts of expanding agent, 0 to 1.0 parts of fiber, 0 to 0.05 part of cellulose, 0.004 to 0.015 part of aluminum powder, 0 to 0.1 part of defoaming agent, 0 to 1.2 parts of air entraining agent and 0 to 25 parts of water. The cement-emulsified asphalt mortar has good low-temperature resistance, and is suitable for the slab tracks of high-speed railways, passenger transport lines and urban high-speed light rails in severe cold areas.

The invention discloses a low smoke zero halogen thermoplastic elastomer flame-retardant cable material which comprises the following components in weight ratio: 100 parts of ethylene-propylene diene monomer rubber, 50-200 parts of SEBS503 and/or maleic anhydride grafted SEBS, 55-100 parts of reinforcing agent, 100-300 parts of plasticizing and softening agent, 0-5 parts of pigment, 8-12 parts of auxiliary agent, 1-4 parts of cross-linking agent, 150-550 parts of flame retardant agent and 40-150 parts of liquid reinforcing and softening rubber. The preparation method of the material comprises the following steps of: firstly, mixing, plasticating, cooling and granulating the SEBS 503 and/or maleic anhydride grafted SEBS, the plasticizing and softening agent, the reinforcing agent, the pigment and the ethylene-propylene diene monomer rubber particles to prepare thermoplastic elastomer master batch; then, mixing the thermoplastic elastomer master batch with the auxiliary agent, the flame retardant agent and the liquid reinforcing and softening rubber, adding into a mixer, and stirring uniformly; and finally, mixing, plasticating, cooling and granulating to obtain a finished product. The product does not contain halogen, has excellent flame retarding efficacy and is not embrittled and hardened under the low temperature condition of subzero 40 DEG C. The preparation method has simple equipment and technology and does not have any three wastes discharge or environmental pollution.

The invention discloses a non-cured rubber asphalt waterproof paint. The preparation technology of the paint comprises the following steps: heating the asphalt to 140 DEG C, loading the heated asphalt into a stirring tank, adding a softening agent, rubber powder, and polymer, stirring for 30 minutes, heating to 160 DEG C, delivering the mixture to a colloid mill to grind the two edges, heating to 190 DEG C, adding a special additive, stirring for one hour, cooling to 160 to 170 DEG C, adding an auxiliary agent, stirring for one hour, adding a filling material, stirring for one hour, and finally discharging. The paint solves the problems of waterproof layer fracture due to the cracking stress, which is transferred from the basic layer to the waterproof layer, and the accelerated aging due to the flexural fatigue and high stress state of the waterproof layer. Moreover, because of the cohesiveness of the paint, the capillary pores and cracks in the basic layer can be perfectly sealed by the paint, thus the problem of water leaking in the waterproof layer is solved, and the waterproof reliability is greatly improved.

The invention provides a microbial straw rotting agent, which adopts the strains having mutual synergistic action without generating antagonistic action as production strains: cellulase preparation, Fomes annosus, Bacillus subtilis, Thermobifida fusca, Bacillus pumilus and Saccharomyces cerevisiae. The microbial straw rotting agent has high decomposition effect on the main components of the straws, has biological control function, and can inhibit growth of crop sheath blight, rice blast, wheat root rot, strawberry gray mold and other pathogens. The product has the advantages of short manufacturing period, high production efficiency and low cost, and is safe and convenient to use.

The invention relates to a method for planting pseudo-ginseng in a high-altitude area. The method is used for introducing the pseudo-ginseng planted in an area with the altitude of 1500-1900m in the prior art to an area with the altitude range of 2000-2600m. The method includes the following steps: step1, selection of a planting environment: such as selection of an ecological environment, selection of terrain and section of soil texture, step2, application of a cold-resistant species group, step3, implementation of a sprouting method for improving planting power of seeds, step4, field production and management: seedbed making, greenhouse establishment, light adjustment and sowing and seedling raising, step 5, film mulching for cold prevention, step 6, reasonable pest control and prevention, and the like. The method serves as guidance for pseudo-ginseng introduction in the high-altitude area. According to the method, the planting environment and a planting area are selected according to ecological characteristics of the pseudo-ginseng, the suitable planting area is scientifically planned, and therefore the method is beneficial to benign development of pseudo-ginseng planting industry and guarantees indigenous genuineness of the pseudo-ginseng planted in a new producing area.

The invention discloses a cable sheath material for a coal mine, which is characterized by comprising the following raw materials for preparing effective constituents according to the parts by weight: 70-100 of butyronitrile-polyvinyl chloride compound, 10-30 of neoprene, 30-60 of white carbon black, 2-8 of magnesium oxide, 20-60 of aluminum hydroxide, 30-60 of chlorcosane, 2-6 of accelerant CZ, 3-8 of zinc oxide, 1-5 of stearic acid, 3-8 of age inhibitor, 4-15 of diantimony trioxide, 2-7 of titanium pigment and 3-9 of vulcanizing agent. The cable sheath material for the coal mine has better performance of stink resistance, cold resistance, flame resistance, oil resistance, ageing resistance, and the like and has good elasticity, high tensile strength, good tear resistance, good extrusion performance and low cost.

A health-care food contains Maka (15-85%), Chinese-medicinal materials (5-70%), taurine (0-20%) and auxiliary (10-30%). It is prepared through pulverizing Maka and Chinese-medicinal materials, sieving by 60 meshes, proportioning, adding auxiliary, and loading in capsules. It features its health-care function of relieving fatigue and improving immunity and sexual function.

The invention provides a multifunctional active organic fertilizer and a preparation method thereof, relating to an organic fertilizer containing bacteria, fungi and spores, particularly an active organic fertilizer with functions of soil restoration and disease/pest resistance. The invention aims to provide a multifunctional active organic fertilizer capable of restoring soil pollution and improving product quality and a preparation method thereof. The multifunctional active organic fertilizer is composed of three layers from inside to outside, wherein the innermost layer is composed of a component A of which the main effective components are Bacillus subtilis and Paecilomyces lilacinus; the middle layer is composed of a component B and a component C containing multiple rich nutritive elements; and the outermost layer is composed of a component D of which the main effective components are Streptomyces vinaceus-drappus and Gliocladium roseum. The multifunctional active organic fertilizer can passivate heavy metals in soil, activate the soil, improve the microecological environment of the rhizosphere, degrade the chemical pesticides and improve the crop quality. The multifunctional active organic fertilizer is used in the field of agricultural planting.

A wheat variety designated 25R78, the plants and seeds of wheat variety 25R78, methods for producing a wheat plant produced by crossing the variety 25R78 with itself or with another wheat plant, and hybrid wheat seeds and plants produced by crossing the variety 25R78 with another wheat line or plant, and the creation of variants by mutagenesis or transformation of variety 25R78. This invention also relates to methods for producing other wheat varieties or breeding lines derived from wheat variety 25R78 and to wheat varieties or breeding lines produced by those methods.