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384results about How to "Reasonable proportion" patented technology

Method for producing steel plate of petroleum storage tank by using direct quenching process

ActiveCN102230057AImprove hardenabilityEffective control typeHeat-affected zoneHigh energy
The invention discloses a method for producing a steel plate of a petroleum storage tank by using a direct quenching process. The invention provides a chemical composition of special petroleum storage tank steel and adopts a direct quenching process. The method comprises the following steps of: heating a steel blank to 1100 to 1280 DEG C, rolling into a steel plate in re-crystallization and non-recrystallization stages; carrying out on-line quenching operation under the conditions that the temperature of the steel plate is between 780 DEG C and 900 DEG C, the average cooling rate ranges from 25 DEG C / s to 60 DEG C / s, the cooling terminal temperature is less than or equal to 350 DEG C, and performing off-line tempering on the steel plate subjected to quenching. Compared with the conventional high-energy-consumption hardening process based on the combination of off-line tempering and tempering, the method provided by the invention has the advantages of short production flow and low energy consumption and the prepared steel plate has good general mechanical properties and high heat input welding property. The yield strength of the steel plate is more than 490 MPa and the tensile strength of the steel plate is more than 610 MPa. In case of high heat input welding (less than or equal to 400 KJ / cm), a welding heat affected zone maintains excellent low-temperature toughness, and the mean value of work done by impact at -20 DEG C is more than 50 J.
Owner:HUNAN VALIN XIANGTAN IRON & STEEL CO LTD +1

Edible vegetable blend oil with balanced fatty acid

InactiveCN101715840ABalanced Fatty Acid RatioReasonable proportionEdible oils/fatsSunflower seedSOYBEAN SEED OIL
The invention relates to edible vegetable blend oil with balanced fatty acid. Edible vegetable oil being rich in omega-6 and omega-3 polyunsaturated fatty acid is used as a raw material, and nine kinds of vegetable oil comprising refined colza oil, refined soybean oil, pressed peanut oil, refined sunflower seed oil, refined corn oil, perilla herb oil, oil-tea camellia seed oil, rice bran oil and sesame oil are used for forming raw oil. The additions of all kinds of vegetable oil in per 100g of a refined oil product are as follows: 30-60g of refined colza oil, 30-55g of refined soybean oil, 1-30g of pressed peanut oil, 0-10g of refined sunflower seed oil, 0-20g of refined corn oil, 0-5g of perilla herb oil, 0-5g of oil-tea camellia seed oil, 0-5g of rice bran oil and 0-5g of sesame oil. Meanwhile, an antioxidant used as an additive agent is also added to the blend oil, and the content of the antioxidant is 0-20 percent of the weight of the edible blend oil. The invention has the advantages that the proportion of fatty acid is balanced, the proportion of the polyunsaturated fatty acid is reasonable, and the weight ratio of the contents of the omega-6 and the omega-3 in the blend oil is (4-6):1, health-care effect is obtained for the human body; the blending proportion is scientific; and the cost is low.
Owner:COFCO EXCEL JOY TIANJIN +1

Food composition suitable for hypertension hyperlipidemia hyperglycemia population and preparation method thereof

The invention discloses a food composition suitable for a hypertension hyperlipidemia hyperglycemia population, which comprises rice, millet, black rice, yam, lotus roots, oat, tartary buckwheat, lotus seeds, pearl barley, yellow corns, potatoes, hazelnuts, Chinese chestnuts, konjak, black sesame, shiitake mushrooms, lycium barbarum, dried mulberries, dried seedless grapes, dates, salt black beans of soybeans, hawthorn powder, carrot powder, tomato powder, puerarin powder, concentrated whey protein, soy isolate protein, camellia oil, purple perilla seed oil, maltodextrin, L-malic acid, L-carnitine and milk calcium. The invention further discloses a preparation method of the food composition suitable for the hypertension hyperlipidemia hyperglycemia population. After the food composition is taken usually, balanced nutrition can be ensured when effects of effectively reducing a blood pressure, blood fat and blood sugar are achieved; meanwhile, the food composition also has effects of conditioning important organs of a human body, such as livers, kidneys, spleen, stomach, large intestine and the like, protecting the heart, improving blood vessel elasticity, reducing the blood viscosity and preventing the Alzheimer disease.
Owner:福建古瑞森生物科技有限公司 +1

Preparation method and application of silicon-carbon composite material

The invention discloses a preparation method and application of a silicon-carbon composite material, belonging to the technical field of preparation of composite materials. The preparation method comprises the following steps of: (1), grinding silicon-based alloy into powder, and performing acid pickling to obtain a porous silicon material; and (2), mixing the porous silicon material with an organic polymer carbon source and a solvent, performing ball-milling to obtain a homogenate type mixture, and performing thermal treatment after drying so as to obtain the silicon-carbon composite material. According to the preparation method and application disclosed by the invention, when carbon coating is carried out, the organic polymer carbon source (such as polyvinylidene fluoride) having high viscosity is mixed with a little solvent, so that thick colloid is prepared; then, matched with ball-milling, the organic polymer carbon source is adhered to the surface of porous silicon effectively and uniformly; the carbon coating efficiency is relatively high; in addition, the use amount of the organic solvent is low; energy consumed by solvent evaporation is saved; therefore, the production cost is reduced; the preparation process is simple, and suitable for large-scale production; the silicon-carbon proportion in the prepared silicon-carbon composite material is reasonable; the volume strain capacity is better; and the electrochemical performance of a lithium ion battery is improved.
Owner:TIANNENG SAFT ENERGY JOINT CO

Special controlled-release water soluble fertilizer for grapes and preparation method thereof

The invention relates to a special controlled-release water soluble fertilizer for grapes and a preparation method of the special controlled-release water soluble fertilizer. The controlled-release water soluble fertilizer is prepared from the following raw materials in parts by weight: 190-230 parts of ammonium nitrate, 40-60 parts of ammonium dihydrogen phosphate, 30-50 parts of triple superphosphate, 90-110 parts of monopotassium phosphate, 230-260 parts of potassium nitrate, 100-130 parts of potassium sulfate, 30-60 parts of chelated medium trace element mixture, 7-10 parts of borax and 3-6 parts of inorganic gel particle. The preparation method comprises the following steps: (1) treating monopotassium phosphate and potassium sulfate by use of the inorganic gel particle to obtain controlled-release monopotassium phosphate and potassium sulfate; and (2) mixing and dispersing the raw material components at a high speed to obtain the controlled-release water soluble fertilizer. According to the special controlled-release water soluble fertilizer for grapes, a part of phosphorus and potassium nutrients in the controlled-release water soluble fertilizer have slow release feature, so that the water soluble fertilizer is in accordance with the law of the nutrient absorption in a grape growth period, the fertilizer efficiency utilization rate of the water soluble fertilizer is improved and the controlled-release water soluble fertilizer has high market application value.
Owner:CHENDU NEW KELI CHEM SCI CO LTD
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