168results about How to "Slow down decomposition" patented technology

The invention discloses a manure synergistic agent, a preparation method, and applications thereof. The manure synergistic agent concretely comprises the components by weight proportion as follows: fly ashes are 10 to 65 parts, modifying agent is 5 to 15 parts, carriers are 20 to 75 parts, and dispersant is 10 to 65 parts; the manure synergistic agent is prepared and made through the hybrid modification reaction. By utilizing the agent, the fly ashes, which are industrial waste, are reused after being modified in synergic combination with the manure, thereby reducing the environmental pollution. The manure synergistic agent has the advantages of not only reducing the nitrogen loss, promoting the absorption and the utilization to activated silicon and trace elements on crops, but also improving the physicochemical characters of the acid soil.

The invention relates to the field of precoated sand, in particular to high-temperature resisting precoated sand for casting. The precoated sand is prepared from the following raw materials, by weight, of 97-98 parts of crude sand, 2-2.5 parts of phenolic resin, 0.3-0.4 part of urotropine, 0.15-0.2 part of calcium stearate, and 0.1-0.3 part of hollow ceramic micro-beads. According to the high-temperature resisting precoated sand for casting, the hollow ceramic micro-beads are added into the raw materials, because the hollow ceramic micro-beads have high temperature resistance and high heat resistance performance, the temperature rising speed and the decomposition speed of sand cores are decreased when molten iron is poured into the sand cores of the precoated sand, and the molten iron is effectively prevented from permeating into the sand cores, so that sand adhering of a casting is reduced, the number of defects of sand-adhering sintering is decreased significantly, and the rate of finished products of the casting is increased greatly.

A metal-organic framework compound @ mesoporous material composite, a preparing method thereof and applications of the composite are provided. According to the composite, a metal-organic framework compound is distributed in pore passages of a mesoporous material, CO2 adsorbability of the metal-organic framework compound is fully utilized, a developed network pore passage structure of the mesoporous material also facilitates CO2 gas molecular diffusion, the metal-organic framework compound distributed in the pore passages can be in full contact with CO2 gas, and the mesoporous material can effectively delay decomposition and degeneration of the metal-organic framework compound in a flue gas environment and prolongs the service life time of an adsorption material, and therefore the composite can have excellent high-temperature resistance and water tolerance. The preparing method is simple in process, and suitable for large-scale production. The composite can be adopted as a CO2 adsorbent, is particularly used for adsorbing CO2 in flue gas, and can be used stably for long time in the flue gas environment.

The invention relates to a high-simulation tissue engineering nerve-repair material and a preparation method. The high-simulation tissue engineering nerve-repair material is characterized by being prepared by one or two or all of I-type collagen, chitosan and gelatin. The material comprises, by weight, I-type collagen 1-10 parts and gelatin 1 part, can be used for basic research on nerve injury repair and bridging repair of injured or defected clinical human body spinal cord and peripheral nerves, facilitates growth of nerve regeneration fibers and can be used for repair of the injured spinal cord and the peripheral nerves.

The invention provides a polyvinyl chloride A-grade fire-retardant interior decoration material. The polyvinyl chloride A-grade fire-retardant interior decoration material is prepared from the following raw materials in parts by weight: 60-80 parts of polyvinyl chloride, 3-5 parts of melamine, 15-25 parts of wood powder, 1.1-2.2 parts of molybdenum trioxide, 8-11 parts of tetrabromo-bisphenol-A, 0.5-1.0 part of dicyclopentadienyl iron, 13-27 parts of hexabromocyclododecane, 2-5 parts of a plasticizer, 10-22 parts of zinc borate, 2-5 parts of a cosolvent, 20-40 parts of hydroxide, 0.6-1.8 parts of colour masterbatch, 10-15 parts of flame-retardant polyether, 30-60 parts of calcium carbonate, 5-10 parts of sodium carbonate, 5-9 parts of ammonium polyphosphate, 5-9 parts of brominated epoxy resin and 10-15 parts of expanded graphite. The polyvinyl chloride A-grade fire-retardant interior decoration material is environment-friendly and energy-saving, does not absorb water and is non-combustible and wear-resistant, the process is simple, the dimensional stability is good, and anti-compression creep property is good; meanwhile, the A-grade fire prevention standard in the national standard, Code for Fire Prevention in Design of Interior Decoration of Buildings, of the People's Republic of China GB 50222-95 can be met.

The invention discloses X80 steel which is composed of the following elements in percentage by mass: 0.05-0.1 of C, 0.1-0.3 of Si, 1.2-1.9 of Mn, not more than 0.015 of P, not more than 0.01 of S, not more than 0.05 of Al, 0.6-3.5 of Ni, 0.08-0.4 of Cr, 0.05-0.3 of Cu, not more than 0.05 of V, 0.03-0.1 of Nb, 0.1-0.35 of Mo, not more than 0.02 of Ti, not more than 0.001 of B and the balance of Fe, wherein Ceq is 0.39 -0.5% and pcm is 0.15-0.25%; and the invention also discloses a low-temperature-resistant pipe fitting manufactured from the X80 steel. A roll of the steel containing the above components can be manufactured into tees or elbows by welding, hot-press molding and controlling the tempering and quenching temperature. The low-temperature-resistant X80 steel pipe fitting disclosed by the invention can resist the low temperature of -45 DEG C, and is applicable to petroleum and natural gas transfer pipelines in alpine zones.

The invention discloses an air conditioned storage method of garlic. The air conditioned storage method comprises the following technical steps: picking up, cleaning, grading, airing, bagging, carrying out dormancy storage, carrying out critical storage and obtaining a commodity, wherein critical storage temperature is above a freezing point critical temperature (-4DEG C), an optimal gas ingredient proportion of air conditioned storage is as follows: the volume fraction of O2 is 6.1-6.5%, the volume fraction of CO2 is 11.0-11.5%, the volume fraction of N2 is 81-82%, the volume fraction of other gas is about 1%, and relative moisture is about 68-70%. The air conditioned storage method of garlic can effectively prolong the expiration date of the garlic, is superior to a preservation method of refrigeration, can accelerate the consumption of the garlic and reduces the waste of the garlic.

The invention provides a friction material, a brake pad with the friction material and a method for manufacturing the brake pad. According to the friction material, through reasonable selection and matching of all raw material components, especially by controlling the proportion of inorganic matter and organic matter and adjusting the variety of the inorganic matter, a synergetic cooperation function is generated among all the components, and finally the brake pad made of the friction material has the beneficial effects of being good in heat stability, high in impact strength, large in hardness and resistant to wear; and besides, the density of the friction material is small, and the dead weight of the friction material under the same size condition is small, that is, the friction material is small in consumption when used for manufacturing the brake pad, so that the production cost of the brake pad can be lowered effectively on the premise of not sacrificing the performance of the brad pad; and accordingly, the friction material is suitable for braking of rail vehicles with the higher speed, the larger thermal load and the larger passenger capacity.

The invention relates to a method for exploiting natural gas hydrates by injecting saturated hot brine. The method is characterized in that the saturated hot brine is injected into a horizontal seam net which is cracked at the top of a natural gas hydrate reservoir stratum in advance, the natural gas hydrates are rapidly decomposed by virtue of the high salinity and the temperature of the hot brine, and moreover under the action of gravity differences, on one hand, a natural gas is extracted from the upper part of the reservoir stratum, and on the other hand, the hot brine is mixed with decomposed water to continuously decompose the natural gas hydrates. By adopting the method, the injection quantity is greatly reduced, thermal energy input is reduced, decomposition of the natural gas hydrates can be accelerated because of pressure drop formed by reservoir stratum volume voidage, in addition, production wastewater does not need to be fed back, and the natural gas hydrates can be economically and continuously exploited.

The invention relates to a pine moth sex pheromone microcapsule and a preparation method thereof, belonging to the field of embedding technology for the pine moth sex pheromone microcapsule. The microcapsule comprises a microcapsule wall material and a microcapsule core material, wherein the microcapsule wall material is a prepolymer liquid formed by reaction among methyl methacrylate, methacrylic acid and an initiator, the microcapsule core material comprises pine moth sex pheromone and liquid paraffin, and pine moth sex pheromone is cis-5,trans-7-dodecadienal, cis-5,trans-7-codlemone, cis-5,trans-7-dodecadienyl acetate and/or cis-5-dodecadienyl acetate. The microcapsule provided by the invention has the advantages of sensitivity, specificity, high efficiency, a long lasting period, degradability, good biocompatibility, no pollution to the environment, low price, etc., can be used for population monitoring and large-scale trapping and killing and control of pine moth, is capable of accurately predicating next-generation population occurrence density and has good economic benefits and ecological benefits.

The invention discloses a micro-encapsulated broad spectrum pollution-free fertilizer with pesticide, a preparation method and application thereof. The fertilizer with pesticide consists of 1 to 10 portions of pesticide microcapsule and 90 to 99 portions of nutrient substances in portion by weight. The preparation method thereof mainly comprises the following steps: filling the pesticide into a reaction kettle and thoroughly dissolving the pesticide by a solvent, adding wall material monomer and Tween into the kettle respectively, evenly mixing the solution, conveying the mixed solution to a shear emulsion reaction kettle by a pump to carry out shear emulsion reaction, and forming capsules to obtain the pesticide microcapsule; and adding the nutrient substances into the pesticide microcapsule, fully stirring and evenly mixing the mixture to obtain the natural product micro-encapsulated broad spectrum pollution-free fertilizer with pesticide. The chemical compatibility and physical stability problem of the prior pesticide fertilizer preparation in a same system can be effectively solved by using the method. The product has the advantages that the fertilizer with pesticide has shielding and slow-release functions, the chemical compatibility and physical stability are good, the drug effect is durable, the using cost is low, and the production process is simple.

The invention discloses a production method of nutrition powder capable of reducing after-dinner blood sugar of diabetes patients, comprising the following steps of: fully soaking raw materials rich in starch in the water, and heating and cooking to obtain aging powder; emulsifying tea seed oil or other plant oil, 5-60 percent by weight of the aging powder and nutrient needing intensification, and mixing the emulsified product with the balance of the aging powder to obtain the nutrition powder. The nutrition powder capable of reducing after-dinner blood sugar of diabetes patients which is produced by using the method of the invention can completely replace the diet for the diabetes patients. The food not only can ensure the nutrition requirement of the diabetes patients, but also can control the after-dinner blood sugar, thereby having a certain auxiliary function of treating and recovering the diabetes patients.

A sodium hydrosulphite powder for dyeing, printing, bleaching, etc is prepared from thiourea dioxide (CH4N2O2S) (20-40 wt.%) and sodium chloride (NaCl) (60-80 wt.%). Its advantages are high stability and reducing power, and no damage to human body.

The invention discloses novel foamed plastic. The novel foamed plastic comprises the following raw materials: polyether polyol, vinyltri(beta-methoxy-ethoxy) silane, fungacetin, polyester resin, soybean albumen powder, modified starch, montmorillonite, aluminum hydroxide, aupoz fiber, polyamide fiber, glass fiber, polyethylene wax, maleic anhydride, dibutyltin dilaurate, ethylene-ethyl acrylate copolymer, isopentane, potassium isooctanoate, polyvinyl acetate emulsion, simethicone, triethanolamine, an initiator, a cross-linking agent, a catalyst, an accelerant, a plasticizer, a flexibilizer, a foaming agent, a foaming control agent, a foam stabilizer, an antibacterial agent, a degradation agent, an antioxidant and a stabilizer. The novel foamed plastic can be completely degraded into carbon dioxide and water, hardly produces harm to the environment, is low in decomposition speed, and prolongs the service life; in addition, the novel foamed plastic further has the characteristic of a good sound insulation effect.

The invention provides a polystyrene flame-retardant resin which is prepared from the following components in parts by mass: 70-80 parts of polystyrene, 8-15 parts of char forming agent pentaerythritol, 10-15 parts of borax, 0.01-0.5 part of stabilizing agent, 20-30 parts of hexabromocyclododecane, 10.6 parts of French chalk, 18-25 parts of zinc borate, 4-8 parts of cosolvent, 20-40 parts of hydroxide, 0.6-1.8 parts of color master batch, 10-20 parts of flame-retardant polyether, 4-8 parts of antimony trioxide, 15-20 parts of expandable graphite, 0.1-0.5 part of coupling agent, 8-15 parts of wood meal, 8-12 parts of sucrose and 5-10 parts of rutile titanium white. The test result indicates that the polystyrene flame-retardant resin satisfies Grade A in Classification for Burning Behavior of Building Materials and Products GB 8624-2006 and Grade A in Chinese Code for Fire Prevention in Design of Interior Decoration of Building GB5022-95.

The invention relates to lactobacillus bulgaricus with low beta-galactase activity and application thereof. The lactobacillus bulgaricus is classified and named as lactobacillus delbrueckii subsp. bulgaricus, and the microbial preservation number is CGMCC No.9957. The strain is screened from the lactobacillus bulgaricus separated from a traditional milk product and has relatively stable performance, the instability, caused by overmuch passage number, similar to mutant strains is avoided, and furthermore, weak post-acidification capacity can be preserved all the time, so that the post-acidification of yoghourt in a preservation period can be effectively delayed in the actual application, and the shelf life of the yoghourt can be prolonged; furthermore, the strain has an excellent fermentation property and can be used as a weak post-acidification yoghourt fermentation agent to be applied to industrialization.

The invention discloses a stabilizer for trichloroethylene. The stabilizer consists of an organic base, an antioxidant and an organic solvent, wherein the organic base is triethanolamine; the antioxidant is 2-isopropane, thymol and epichlorohydrin; and the organic solvent is isobutanol and diethylene glycol. The stabilizer disclosed by the invention has the following advantages: the composite stabilizer formulation is used for stabilizing trichloroethylene and ensuring that trichloroethylene does not deteriorate within 180 days, and simultaneously, the decomposition speed of trichloroethylene in a use process is reduced, and the use time is greatly prolonged. By utilizing the stabilizer, trichloroethylene can meet the requirement of the top-grade electronic cleaning industry on trichloroethylene quality, cannot damage and erode cleaned components and achieves the purpose of replacing imported trichloroethylene.

The invention provides a formation method of a power lithium ion battery. The power lithium ion battery comprises a positive electrode, a separator between the positive electrode and the negative electrode; the positive electrode is a composite positive electrode formed by mixing a plurality of active substances; wherein the plurality of active substances comprise LiNi0.15Mn0.65Co0.15Mg0.03Al0.02O2, Li0.95Na0.05Mn2 and LiMn0.75Co0.2Mg0.03Al0.02O2; wherein the mass ratio of the LiNi0.15Mn0.65Co0.15Mg0.03Al0.02O2 to the Li0.95Na0.05Mn2 to the LiMn0.75Co0.2Mg0.03Al0.02O2 is 33: 42: 35-26: 60: 14.The formation method comprises the following steps: injecting a first electrolyte into an assembled battery, and carrying out pre-formation under a first predetermined voltage; injecting a second electrolyte of which the additive is FEC, and formally forming at a voltage higher than a first preset voltage. According to the formation method, the rate capability of the battery can be improved and the cycle life of the battery can be prolonged by a formation mode set for a specific active substance.

The invention provides a polyamide resin A-class fire-proof material. The polyamide resin A-class fire-proof material is prepared from the following components in parts by weight: 70-100 parts of polyamide PA, 10-15 parts of a char forming agent, 10-15 parts of sodium borate, 0.01-0.5 part of a stabilizing agent, 10-30 parts of hexabromocyclododecane, 4-10 parts of a solubilizer, zinc borate, color masterbatch, hydroxide, antimony trioxide, flame resistant polyether, a coupling agent, inflatable graphite, wood powder, titanium dioxide, cane sugar and molybdenum trioxide. The home-made flame resistant polyether adopted by the polyamide resin A-class fire-proof material disclosed by the invention is prepared from bromide, the polyether and a catalyst under microwave environment through a reaction for 3 hours under the environment of high temperature, high air pressure and high voltage. At this time, Br ions are in a half-free state, a large number of the Br ions are released at a high temperature of 450-750 DEG C to catch pyrolysis active groups H<+> and OH<-> so as to generate stable BrH, the reaction always lasts until the decomposition of a PA high polymer is completed, and the concentration of inflammable gases is effectively reduced, so that the purpose of restraining the generation of naked fire is achieved.

The invention discloses steel for a heavy-duty loader tire protecting chain and a production method thereof. The steel is composed of, by mass, 0.35-0.42% of C, 0.70-1.10% of Si, 0.85-1.20% of Mn, 0.035% P or less, 0.035% of S or less, 0.40-0.60% of Cr, 0.008-0.015% of Tal and the balance Fe and inevitable impurities. The protecting chain utilizes Si element to significantly improve the steel yield point, tensile strength, the quenching temperature, the hardenability, the corrosion resistance and antioxidant capacity through combining with Cr element; Mn element is utilized to improve the hardenability and refine a pearlite; Cr element is utilized to slow down the decomposition speed of an austenite, improve the hardenability, promote formation of a passive film on the surface of steel and improve the corrosion resistance of the steel; and Al element is utilized to reduce the sensitivity of the steel to a gap, refine the natural steel grain and increase the temperature of grain coarsening. According to the steel for the heavy-duty loader tire protecting chain and the production method thereof, the Rockwell hardness reaches to 55 or more, wear resistance is good, a converter and continuous casting production can be used, adding of precious metal elements is not needed, and cost is low.