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54results about How to "Fast absorbency" patented technology

Preparation method of medical quick imbibition foam material

The invention relates to a method for preparing a medical quick liquid-absorbing foam material. The method comprises the steps of well mixing polyvinyl alcohol aqueous solution, aldehyde and a pore-forming agent, adding acid to the mixture, continuing to stir the mixture, pouring the mixed solution into a die, curing and molding the mixed solution, washing and drying the obtained product and obtaining a target object. The material has abundant mutually communicated opening structures through a method of using mechanical foaming together with the pore-forming agent. The prepared material is good in biological compatibility and excellent in hydrophilcity, has the liquid-absorbing capability much higher than common cotton yarn and paper, has the capability of quickly absorbing a large amount of distilled water, physiological saline and urine, turns into soft tenacious elastic sponge after absorbing liquid, is resistant to heat and ultraviolet radiation, and can be disinfected in a plurality of ways. The prepared material is a rigid foam material in a dry state, is a spongy material in a wet state, has the apparent density of between 0.04 and 0.09 g/cm and the liquid-absorbing ratio of between 1,800 and 2,800 percent, and can be applied to medical operations.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Arc extinction slurry for fuse protector

The invention relates to arc extinction slurry for a fuse protector. The arc extinction slurry comprises, by weight, 5-40 parts of gas production materials, 0-10 parts of phenol formaldehyde resin, 20-60 parts of quartz sand, 0.6-10 parts of organic solvents and15-30 parts of deionized water. The gas production materials are mainly urea-formaldehyde resin and other powder materials; the phenol formaldehyde resin can be boron-modified phenol formaldehyde resin and other high-temperature-resistant resin which is soluble in organic solvents, and the main effect of the phenol formaldehyde resin is to improve the heat-resistant performance of urea-formaldehyde resin; the periphery of a melt is covered with the arc extinction slurry in a filling mode or a thick film printing mode or the like, and gas will be produced under the action of an electric arc so as to extinguish the electric arc; fast cooling of the metallic melt is guaranteed by adding the quartz sand, and therefore the arc extinction slurry can be used on the breaking occasion of high voltage and great current of more than 250VAC/100A. The arc extinction slurry has the predominant advantages of being low in production cost, easy to operate, free of halogen, friendly to environment, high in arc extinction ability and the like, thereby being suitable for being used in a current common tube shell type or thick film printing type surface-mounted miniature fuse protector.
Owner:NANJING SART SCI & TECH DEV

Method for producing potassium fulvate organic fertilizer by biological enzyme pretreatment and potassium hydroxide alkaline process wheat straw pulping black liquid extraction

The invention provides a method for producing a potassium fulvate organic fertilizer by biological enzyme pretreatment and potassium hydroxide alkaline process wheat straw pulping black liquid extraction, and belongs to the field of fertilizer production. The method comprises the three parts of pretreating wheat straw pretreatment black liquid by biological enzymes, extracting potassium hydroxide alkali process wheat straw boiling black liquid, and producing a finished product of the potassium fulvate organic fertilizer, wherein the process of pretreating wheat straw pretreatment black liquid by biological enzymes comprises the steps of wet process material preparation, wheat straw pretreatment by biological enzymes, and storage of black light containing rich potassium fulvic acid; the potassium hydroxide alkaline process wheat straw pulping extraction black liquid comprises extrusion of biological enzyme pretreatment wheat straws, mixing of wheat straws and potassium hydroxide medicine liquid in a pre-soaking machine, steaming ball steaming boiling spray discharging, and steamed and boiled black liquid collection and storage. The organic fertilizer production line comprises black liquid evaporation and concentration, guniting pelleting machine treatment, hot and cold sieving system treatment and organic fertilizer finished product packaging. The paper making black liquid is changed from waste into valuable materials; through biological enzyme pretreatment, the high-activity potassium fulvate organic fertilizer is produced.
Owner:宁夏同创秸科生物科技有限公司

Black odorous river course ecological treatment system and treatment method thereof

The invention provides a black odorous river course ecological treatment system which comprises an infiltration island, submerged plants and an internal electrolysis substrate, wherein the internal electrolysis substrate comprises a composite substrate cushion layer and an internal electrolysis reaction filler; and the composite substrate cushion layer comprises gravel, haydite and zeolite. The treatment method comprises the following steps: establishing the infiltration island; growing the submerged plants in the restoration river reach; and laying the composite substrate cushion layer on the riverbed of the river course, and adding the internal electrolysis reaction filler into the substrate cushion layer to complete the laying of the internal electrolysis substrate. According to the black odorous river course ecological treatment system and treatment method thereof, the submerged plants are utilized to perform the functions of purifying water; and the purification of the infiltration island and the reinforced purification of the internal electrolysis substrate are utilized to improve the oxygen environment in the river course. The system quickly decomposes, absorbs and converts the black odorous substances, enhances the dephosphorization efficiency, can quickly improve the black odorous phenomenon of the water body, and also has an active promotion action on the aquatic ecosystem of the river course.
Owner:HUATIAN ENG & TECH CORP MCC

Soil conditioner suitable for bletilla striata growth as well as preparation method and application thereof

The invention provides a soil conditioner suitable for bletilla striata growth as well as a preparation method and application thereof and belongs to the technical field of soil improvement. The soil conditioner is prepared by fermenting the following raw materials in parts by weight: 35-45 parts of medical stone, 55-65 parts of oil cake, 20-30 parts of wormcast, 1.2-2.5 parts of enzymes, 1.8-3.6 parts of potassium fulvic acid, 2.4-3.2 parts of diammonium phosphate, 1.5-3.5 parts of calcium carbonate, 12-18 parts of compound bacteria, 10-15 parts of cacumen biotae leaves, 10-15 parts of lotus leaves, 6-10 parts of folium mori and 6-10 parts of lophatherum gracile. The preparation method for the soil conditioner comprises the following steps: preparing a traditional Chinese medicine compound; preparing a zymocyte solution; and composting. The soil conditioner can fully supply the nutrient elements required by the growth of bletilla striata, can effectively improve the moisturizing property and air permeability of the soil in the growth process of the bletilla striata, can increase the survival rate of the bletilla striata and can shorten the growth period of the bletilla striata.
Owner:贵州省武陵山药用植物白芨开发有限公司

Production method of potassium fulvate organic fertilizer prepared from black liquor extracted through biological enzyme pretreatment and potassium hydroxide alkaline reed pulping

The invention discloses a production method of a potassium fulvate organic fertilizer prepared from black liquor extracted through biological enzyme pretreatment and potassium hydroxide alkaline reed pulping, and belongs to the field of fertilizer production. The production method comprises the following steps: using biological enzymes to process reeds to extract black liquor; boiling reeds to extract black liquor through a potassium hydroxide alkaline method, and producing finished products of potassium fulvate organic fertilizer. The biological enzyme pretreatment comprises steps of preparing raw materials through a wet method, using biological enzymes to process reeds, and storing the black liquor rich in potassium fulvate. The potassium hydroxide alkaline method comprises the following steps: extruding reeds, which has been preprocessed by biological enzymes, mixing the reeds with potassium hydroxide in a pre-soaking machine, boiling and steaming the mixture in a steam ball, and collecting the black liquor after steaming and boiling. The organic fertilizer production comprises steps of black liquor evaporation and concentration, pulp spraying and granulation, hot-cold sieving, and finished product package. The wastes are converted into valuable resources. The soil particle structure is improved. The soil is loosened. The water and fertilizer retaining performance of soil is enhanced.
Owner:宁夏同创秸科生物科技有限公司

High-specific-heat-capacity substance based electric welding protective plus material and preparation method thereof

The invention relates to a high-specific-heat-capacity substance based electric welding protective plus material and a preparation method thereof. The high-specific-heat-capacity substance based electric welding protective plus material is prepared from an inflaming-retarding textile, a high-water-absorption coating composition and a water-repellency finishing layer. The preparation method of theelectric welding protective plus material comprises the following steps of applying the high-water-absorption coating composition to the front surface of an inflaming-retarding plus material, next, oven-drying for 1 min to 10 min at 120 DEG C, and baking for 1 min to 5 min at 160 DEG C, wherein the high-water-absorption coating composition is prepared from oily polyurethane, a cross-linking agent,high-water-absorption resin, a dispersant and lignin powder and the like; locally or fully applying a water-repellency finishing agent to the back surface of the front surface coated inflaming-retarding textile obtained in the former step; and before use, spraying or atomizing liquid water with an application amount of 100 g/m<2> to 300 g/m<2> to the high-water-absorption coating on the front surface. Through the way, an electric welding spark in contact with the plus material can be quickly extinguished after the surface of the electric welding protective plus material provided by the invention absorbs water; the heat is absorbed or quickly moved away; thus, the heat reaching a skin is reduced; and the purpose of protecting the skin from being burned is achieved.
Owner:SWOTO PROTECTION & TECH CO LTD +1

Parasite expelling and stomach strengthening compound premixed feed licking brick used for fattening cattle

The present invention relates to a licking brick for ruminants and specifically discloses a parasite expelling and stomach strengthening compound premixed feed licking brick used for fattening cattle. The compound premixed feed licking brick consists of edible made salt, haws, cellulase, ivermectin, albendazole, cement, bentonite, ammonium chloride, baking soda, calcium formate, a flavoring agent, calcium hydrogen phosphate, ferrous sulfate, copper sulfate, zinc sulfate, magnesium sulfate, manganese sulfate, sodium selenite, cobalt chloride, calcium iodate, rumensin, compound multi-vitamins and yeast powder. A density of the licking bricks is 1.8-2.2 g/cm<3>. The compound premixed feed licking brick has the following advantages: 1) the provided compound premixed feed licking brick is particularly suitable for licking of the fattening cattle, strengthens stomach, at the same time regulates body endocrine and gastrointestinal functions, promotes toxin removing and diuresis causing, effectively prevents food stagnation in rumen, gastroenteritis diseases, parasitic diseases, etc., and plays double effects of epidemic prevention and health care; and 2) the licking brick aims at nutrition needs and licking characteristics of the fattening cattle, is scientific in design and formula, rich in nutrition, appropriate in food intake, and reasonable in hardness, and can effectively improve production performances of the fattening cattle.
Owner:GUANGHAN LONGDA FEED

Preparation method of low-melting-point alloy phase change material

The invention relates to a preparation method of a low-melting-point alloy phase change material, and belongs to the technical field of preparation of phase change materials. The method comprises the following steps: removing surface oxides of raw materials Ga, In and metal A, wherein the metal A is one or more of Sn, Bi, Zn and Al; adding Ga, In and metal A into a smelting medium, increasing the temperature to a preset temperature at a constant speed, conducting heat preservation for 4-6 hours, and conducting metal alloying to obtain an alloying system, wherein the smelting medium is glycerol or silicone oil; and heating the alloying system to the preset temperature, performing uniform stirring and mixing to performing full alloying, and then adding an ice-water mixture into the alloying system to quickly cool an alloy sample and obtain the low-melting-point alloy phase change material. According to the method, the glycerol or silicone oil is adopted as the smelting medium, the problems of oxidation, insufficient alloying and the like of low-melting-point alloy in the smelting process can be effectively solved, the low-melting-point alloy phase change material has greater latent heat in unit volume, the heat capacity of the low-melting-point alloy phase change material can be greatly improved, the volume proportion of the phase change material is effectively reduced, and better stability and higher heat conductivity are achieved.
Owner:KUNMING UNIV OF SCI & TECH

Compound fertilizer, preparation method and application of compound fertilizer

The invention provides compound fertilizer, a preparation method and an application of the compound fertilizer and relates to the technical field of fertilizer. The compound fertilizer is mainly prepared from components in parts by weight as follows: 30-50 parts of inorganic nitrogenous fertilizer, 20-40 parts of inorganic phosphorus fertilizer, 20-35 parts of inorganic potassic fertilizer, 5-8 parts of trace element fertilizer, 4-6 parts of potassium fulvate, and 0.8-1.2 parts of a nitrogen regulator, wherein the nitrogen regulator contains a nitrification inhibitor. The technical problems that the conventional fertilizer is low in utilization rate, has an obvious nitrification effect and can produce bad influence on soil and crops when used for a long time, and quality of agricultural products can be reduced due to environmental pollution and damage to soil structure and ecology by over-fertilization are solved. With potassium fulvate and the nitrogen regulator added, the compound fertilizer has the advantages that soil nutrients can be perfected effectively, the soil structure can be improved, the nitrification effect can be inhibited, and after the fertilizer is applied, the ecological environment of the soil is optimized and the quality of the agricultural products is improved.
Owner:贵州诺威施生物工程有限公司

Crosslinked polyethylene cable insulating material containing compounding agent with high electrical resistance and preparation method thereof

PendingCN113736203AExcellent stability and uniform dispersionGood stability and dispersionPlastic/resin/waxes insulatorsPolymer scienceInsulation layer
The invention discloses a crosslinked polyethylene cable insulating material containing a compounding agent with high electrical resistance and a preparation method thereof, belongs to the technical field of electrical materials, and solves the problems that when an existing voltage stabilizer improves the voltage resistance of the crosslinked polyethylene insulating material, the wide-temperature-range high efficiency and long-term compatibility of the voltage stabilizer cannot be considered at the same time, and the electrical tree resistance and breakdown resistance of crosslinked polyethylene at different temperatures cannot be comprehensively improved. The voltage stabilizer used in the invention comprises a six-membered chelate ring structure composed of hydroxyl, carbonyl and a benzene ring, the grafting reaction of vinyl ensures the uniform and stable dispersion of the voltage stabilizer, and the voltage stabilizer forms a uniform and dense electron action space in a polymer due to a larger molecular structure and electron conjugate surface, and thus the electronic energy consumption effect of the chelate ring is fully exerted, and the electrical tree resistance and the breakdown strength of the material in the whole use temperature range of a cable insulation layer are remarkably improved.
Owner:HARBIN UNIV OF SCI & TECH

Method of using black liquid extracted during pulping of corn straw through bioenzyme pretreatment and potassium hydroxide alkaline process to produce potassium fulvate organic fertilizer

The invention discloses a method of using black liquid extracted during pulping of corn straw through bioenzyme pretreatment and a potassium hydroxide alkaline process to produce potassium fulvate organic fertilizer and belongs to the field of fertilizer production. The method includes three steps of bioenzyme pretreatment of corn straw, extraction of corn straw black liquid through the potassium hydroxide alkaline process and production of the potassium fulvate organic fertilizer, wherein the step of bioenzyme pretreatment of the straw corn includes: wet-process material preparation, bioenzyme pretreatment of the corn straw and storage of black liquid rich in potassium fulvate, the step of extraction of the black liquid by pulping the corn straw through the potassium hydroxide alkaline process includes: extruding of the corn straw pretreated by bioenzyme, mixing of the corn straw and potassium hydroxide liquid in a pre-soaking machine, steaming and discharging through a spherical boiler and collection and storage of the black liquid after being steamed, and the step of production of the potassium fulvate organic fertilizer includes: evaporation and concentration of the black liquid, treatment through a gunite granulating machine and a hot-cold screening system and packing of organic fertilizer finished products. By the method, waste is changed into wealth, the black liquid high in concentration is prepared through evaporation and concentration, and the potassium fulvate organic fertilizer having high activity is produced finally.
Owner:NINGXIA ZIJINGHUA PAPER IND

Water retaining agent used for desert greening as well as preparation method and application of water retaining agent

ActiveCN110016346AOvercome water absorptionOvercome the disadvantages of being difficult to degrade and easily causing environmental pollutionOther chemical processesOrganic fertilisersPotassiumPlant growth
The invention discloses a water retaining agent used for desert greening as well as a preparation method and application of the water retaining agent. The water retaining agent used for the desert greening provided by the invention has the advantages of being environmentally friendly, biodegradable and pollution-free to soil, starch and potassium fulvic acid are added, so that the water absorptionand salt-tolerant performance are greatly improved, the production costs are reduced, the demand for desertification treatment can be met, and the product application value is high; when the water retaining agent is prepared, through irradiation process adjustment, starch alkaline method low-temperature gelatinization, selection of a weakly-alkaline neutralizing agent and gel segmentation drying,the energy consumption is reduced, and the irradiation agent utilization rate and production efficiency are improved; and when the water retaining agent is used for the desert greening and water retention, grids can prevent sand from moving, and strengthen plant growth environment, an organic matter layer can play roles in supplying a carbon source, absorbing excess water and permeating air, a water retaining layer can store water and fertilizers for plant growth, and the synergistic effect of the three measures can greatly improve a survival rate of seedlings planted in desert.
Owner:BEIJING FORESTRY UNIVERSITY
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