37results about How to "Good controllable conditions" patented technology

The invention relates to a drinking type acidulant and a preparation method and application thereof. Each 100ml of the acidulant contains components of 15-25ml of formic acid, 25-35ml of lactic acid,15-25g of citric acid, 5-15g of fumaric acid, 1-8g of calcium formate, 1-8g of sodium butyrate and the balance deionized water, wherein all of the components are 100ml. The preparation method comprises the following steps of performing injection according to the amount of 50-80% of the total amount of water to a stirring tank, starting a power supply, performing stirring at 120r/min, slowly addingthe fumaric acid, then adding the calcium formate and the sodium butyrate, performing stirring for 15min, after the fumaric acid, the calcium formate and the sodium butyrate sufficiently dissolve inthe water, slowly adding the citric acid, the lactic acid and the formic acid separately, and finally, adding the remaining water for uniform stirring so as to obtain products. Compared with the priorart, the drinking type acidulant contains various organic acid and organic acid salts, can regulate the acid of a ration system, can reduce the pH value of the digestive tracts of animals, can improve the activity of digestive enzymes, can promote the digestion of nutrient substances, can effectively control diarrhoea of piggies at the weaning and child care period, can regulate the intestinal microecology balanced, and can promote growth of the piggies at the weaning and child care period. Besides, when the drinking type acidulant is drunk, growth and propagation of pathogenic microorganismsin animal organisms, feeds and environment can be greatly reduced, and the usage amount of antibiotics can be directly reduced, so that drug tolerance, remaining and pollution problems caused by antibiotics can be reduced.

The invention provides a diamond nano needle array composite material and a preparation method and an application thereof. The diamond nano needle array composite material provided by the invention comprises a substrate layer and a diamond nano needle array which is formed on the surface of the substrate layer, wherein a three-dimensional graphene layer grows on the surface of a diamond nano needle in the diamond nano needle array. The preparation method of the diamond nano needle array composite material, disclosed by the invention, comprises the following steps: depositing a diamond film layer on the surface of a base body; etching the diamond film layer into a diamond nano needle array; and enabling the three-dimensional graphene layer to grow on the surface of the diamond nano needle array. The diamond nano needle array composite material disclosed by the invention is excellent in heat-conducting property, high in property field emission property and stability, simple in preparation process, and good in condition controllability, and can be applied to gas sensors, biosensors and electrochemical fields.

The invention discloses a feed for improving the quality and the flavor of pork. The feed contains a plurality of amino acid chelate microelements, vitamin, a plant extract and the like. The additive amount of organic microelements and inorganic microelements in the feed can be effectively reduced, the residual quantity of metal is reduced, the environmental pollution is alleviated and the ecological environment is protected. Meanwhile, the plant extract is reasonably matched, so that the carcass lean meat rate is significantly increased, the eye muscle area is increased, the carcass fat rate and backfat areim reduced, the flavor of the pork is improved, the quality of the pork is improved, the feed is capable of replacing antibiotics and a chemical synthetic drug feed additive to produce safe and excellent pork, and the problems that the pork is poor in quality, more in PSE meat and poor in flavor in current pig production are solved.

The invention discloses a preparation method for a direct methanol fuel cell supported Pt-based anode catalyst. The preparation method comprises the following steps: adding graphene to N-methyl pyrrolidinone to prepare dispersion liquid; preparing polyaniline to be N-methyl pyrrolidinone solution in a mass ratio of the graphene to the polyaniline; mixing the dispersion liquid with the polyaniline solution, filtering the mixture; dissolving the filter cake to deionized water and solvent of ethylene glycol; adding chloroplatinic acid to the solution of the filter cake in the total mass ratio of Pt to graphene and polyaniline; and acquiring the direct methanol fuel cell supported Pt-based anode catalyst with the grain size of 2-3 nm by reacting, filtering, washing and drying. The preparation method has the advantages of a simple process, good controllability of conditions during the process, improving the dispersion of the graphene, the distribution uniformity of the Pt catalyst in the graphene space and the stability of the catalyst. As shown by the test, the catalyst has excellent performances.

The invention discloses a grinding method for a wafer locating ring, the wafer locating ring and application thereof and a chemical-mechanical polishing device of the wafer locating ring. The grindingmethod for the wafer locating ring comprises the following steps that the wafer locating ring is fixed to a polishing head, a polishing pad is placed on a grinding disc, grinding fluid is added for polishing, and meanwhile, pressure is applied to the polishing head; the grinding rotating speed is 50-80 rpm, the grinding time is 35-45 min, the grinding fluid flow rate is 0.7-1.2 mL/s, and the weight is 4.3-4.8 kg. The wafer locating ring obtained by the grinding method has better flatness and meets the requirement of less than or equal to 0.01mm.

The invention relates to a low-emission environmentally-friendly feed as well as a preparation method and application thereof. The feed comprises the following components in parts by weight: 70-80 parts of carriers, 3-8 parts of plasma protein powder, 3-8 parts of dried porcine soluble, 2-5 parts of white fish meal, 4-6 parts of whey powder, 1-4 parts of wheat bran and 3-5 parts of a premix. The preparation method of the feed is prepared through the following steps of weighing the carriers of which the mass is 50-70% of the total mass of the carriers, adding the plasma protein powder, the dried porcine soluble and the wheat bran in parts by weight, uniformly mixing the carriers, the plasma protein powder, the dried porcine soluble and the wheat bran, and performing crushing and drying so as to obtain a mixture A; uniformly mixing the surplus carriers, the white fish meal, the whey powder and the premix in parts by weight, and performing quenching and tempering so as to obtain a mixture B; and mixing the mixture A and the mixture B according to the mass ratio of the mixture A to the mixture B being 1:1 so as to obtain the feed. Compared with the prior art, the feed disclosed by the invention is balanced in nutrition, the absorption and utilization rate of organisms to the feed can be effectively increased, the growth and the development of pigs can be promoted, the content of nutrient substances in the excrement of the pigs can be obviously reduced, and the feed has good application prospects.

The present invention relates to a feed additive for weaned piglets, a preparation method and an application thereof, and belongs to the field of feeds. The feed additive for the weaned piglets comprises the following raw materials of zinc oxide, oil, starch, a binder, and a disintegrant. In the feed additive for the weaned piglets, the zinc oxide is embedded with the auxiliary materials and an embedding rate is 70-80%. The additive can achieve the same anti-diarrhea effect as the prior art, at the same time greatly reduces use amount of the zinc oxide, achieves harm reduction and emission reduction, and can also solve a problem of feed palatability. The preparation method comprises the following steps: raw material mixing according to a ratio, then water spraying and granulating, and thendrying, shaping and sieving. The method is simple and rapid, good in condition controllability, and can enable the auxiliary materials to effectively embed the zinc oxide and control the embedding rate to a better range. The additive is added into a basic daily diet of the weaned piglets, can reduce diarrhea rate of the piglets, improves hair color of the piglets, at the same time is free of other zinc sources, and can meet nutritional needs of the piglets.

The invention relates to a processing technology capable of improving coffee processing efficiency and coffee beans processed thereby, and belongs to the field of food processing. The processing technology capable of improving coffee processing efficiency comprises the following steps of performing flotation on coffee fruits, removing pectin from peeled selected coffee fruits by performing biological enzyme degumming, dying the pectin-removed coffee beans, removing shell, carrying out polishing, and carrying out post-treatment. The biological enzyme degumming is performed by using pectinase and cellulase. The processing technology capable of improving coffee processing efficiency is simple in processing process, good in condition controllability; moreover, the degumming process of the coffee beans is improved so that coffee yield is stabilized with coffee bean quality improved, and thus, the processing technology is suitable for industrial production. Coffee beans prepared by adoptingthe processing technology are small in water-soluble substance loss, relatively low in bean breakage rate, and relatively high in yield.

The invention relates to an aqueous sodium ion battery Na<0.58>Mn<2>O<4>.1.38H<2>O material, preparation method and application thereof and an electrode, and belongs to the field of material and energy storage. The preparation method of the material comprises the steps of mixing a mixed solution of a potassium permanganate solution, divalent manganese salt and carbon quantum dots, collecting a precipitant, immersing the precipitant in an immersion liquid, performing separation, and collecting a solid to obtain the aqueous sodium ion battery Na<0.58>Mn<2>O<4>.1.38H<2>O material, wherein the immersion liquid comprises a mixture of NaOH and alcohol and water. The preparation method is simple in process and good in condition controllability, the obtained Na<0.58>Mn<2>O<4>.1.38H<2>O material has relatively high capacity and excellent cycle property when applied to an aqueous ion battery positive material, and the electrode containing the Na<0.58>Mn<2>O<4>.1.38H<2>O material has the characteristics of high safety, no pollution, low cost and long service lifetime.

The invention relates to an alloy magnetocaloric material for magnetic refrigeration at a room temperature as well as a preparation method and application thereof. A chemical general formula of the material is MnCo1-xTixGe, wherein x is 0.02 to 0.08; the atomic percentage of a manganese element in the material is 33.3 to 34.4 percent; the atomic percentage of a cobalt element is 32.8 to 33.3 percent; the atomic percentage of a titanium element is 0.6 to 2.7 percent; and the atomic percentage of a germanium element is 30.2 to 32.7 percent. During preparation, reactants are added into a vacuum electric arc furnace; the vacuum electric arc furnace is vacuumized to 10<4> Pa or below, and high-purity argon gas is introduced; samples are melted for 2 to 5 times repeatedly; samples are taken out and cooled, and then put into a high-temperature resistant quartz glass test tube for vacuumizing; the high-purity argon gas is introduced to clean the gas and then put into a furnace type box; and the samples are taken out and annealed to obtain a finished product. Compared with the prior art, the alloy magnetocaloric material disclosed by the invention is a secondary phase change material, and has the characteristics of small heat stagnation and large regulated temperature zones; moreover, the problem of the heat stagnation caused by a primary phase change material can be effectively avoided; and a preparation process has simple steps, the condition controllability is good, and the material has good application prospect.

The invention relates to a growing and fattening pig feed additive as well as a preparation method and application thereof, and belongs to the field of feed. The additive comprises the following raw materials: a composite detoxifying agent, an enzyme preparation, camphor tree seed powder, plant essential oil, tea saponin, acetohydroxamic acid, activated carbon and a carrier. The additive can promote the growth of growing and fattening pigs and increase the feed intake and the feed conversion efficiency, and also can adjust the immune function of livestock and poultry, adjust the intestinal microecological balance and enhance the disease resistance; and in addition, the additive can reduce the discharge quantity of nitrogen and phosphorus and dissipating quantity of ammonia gas in excrementof the growing the fattening pigs, and reduce pollution to the environment by the excrement. During preparation, the raw materials are mixed according to the proportion, the operation is simple and rapid and the condition controllability is high. After the additive is added into growing and fattening pig feed, the quality of the growing and fattening pigs can be improved, digestion and absorptionof nutritional materials by the growing and fattening pigs are promoted, the nutrient utilization rate is increased and discharge of manure of a pig field is reduced.

The invention relates to an elaeagnus conferta roxb compound fruit and vegetable juice and a preparation method thereof, and belongs to the field of food. The elaeagnus conferta roxb compound fruit and vegetable juice is prepared from the following raw materials: a fructus rosae laevigatae extract, an elaeagnus conferta roxb extract, a cortex eucommiae extract, a houttuynia cordata extract, a codonopsis pilosula extract, a carrot juice body, an apple juice body, a bamboo cane juice body, honey, citric acid, sodium carboxymethylcellulose, xanthan gum and the volume balance water, wherein the fructus rosae laevigatae extract comprises fructus rosae laevigatae polysaccharide, the elaeagnus conferta roxb extract comprises elaeagnus conferta roxb polysaccharide, the cortex eucommiae extract comprises eucommia chlorogenic acid and eucommia polysaccharide, the houttuynia cordate extract comprises houttuynine sodium bisulfite, and the codonopsis pilosula extract comprises codonopsis pilosula polysaccharide. The fruit and vegetable juice has the advantages that the taste is excellent, the color does not change after the fruit and vegetable juice is stored for a long time, the nutrition is rich, the immunity of a human body can be enhanced, various diseases can be prevented, and the sub-health problem of the human body can be solved. The preparation method comprises the following steps of mixing the raw materials according to the proportion and carrying out sterilizing. The method has the advantages of being simple, rapid, good in condition controllability and low in cost.

The invention discloses a toxin-removal traditional Chinese medicine preparation and a preparation method thereof. The toxin-removal traditional Chinese medicine preparation comprises the following raw materials: halloysitum rubrum, fructus hordei germinatus, massa medicata fermentata, fructus setariae germinatus, raw semen coicis, rhizoma alismatis, herba polygoni avicularis, pericarpium granati,caulis spatholobi, radix valerianae, bulbus allii macrostemonis, fructus corni, purple perilla, fructus meliae toosendan, endothelium corneum gigeriae galli, rhizoma atractylodis macrocephalae, radixsaposhnikoviae, poria cocos, fructus evodiae, pericarpium zanthoxyli and radix glycyrrhizae. The preparation method comprises the following steps: S1, weighing all the raw materials in parts by massin a medical-grade clean area; S2, grinding the raw materials in S1 in a grinder to obtain mixed powder, and sieving the mixed powder; S3, mechanically stirring and uniformly mixing the sieved mixed powder in a stirrer; S4, mixing the uniformly stirred mixture in a pharmaceutical mixing machine for 8-10 min, and controlling RSD to be lower than or equal to 5%; S5, drying the mixture at low temperature after mixing, grinding the mixture sufficiently again to 800-1000 meshes, and controlling temperature in a range of 4-8 DEG C; S6, performing packaging to obtain the toxin-removal traditional Chinese medicine preparation.

The invention relates to a pagodatree flower beverage and a preparation method thereof, and belongs to the field of foods. The raw materials of the pagodatree flower beverage comprise main materials and auxiliary materials, wherein the main materials comprise components of pagodatree flowers, rose flowers and water in the compounding ratio of the pagodatree flowers to the rose flowers to the waterbeing (3-4g) to (0.65-0.85g) to (200-400mL), and the auxiliary materials comprise a sweetening agent and a sour agent in the compounding ratio of the sweetening agent to the sour agent to water being(1-2g) to (0.01-0.03g) to 100mL. The pagodatree flower beverage is free from preservatives and antioxidants, is good in mouth feel, moderate in sour and sweet degrees, and delicious, has the fragrance of the pagodatree flowers and the rose flowers, and not only has good effect of quenching thirst, but also can indirectly relieve symptoms or treat diseases, so that a certain medical value is achieved. The preparation method of the pagodatree flower beverage comprises the following steps of soaking thoroughly-cleaned pagodatree flowers and thoroughly-cleaned rose flowers with water in a compounding ratio, performing filtering for the first time, taking filtrate, adding the sweetening agent and the sour agent in a compounding ratio, performing dissolving, performing filtering for the secondtime, taking filtrate and performing sterilization. The method is simple and quick, the condition is good in controllability, and the cost is low.

The invention relates to a water chestnut facial mask liquid as well as a preparation method and a water chestnut facial mask, belonging to the field of cosmetics. The water chestnut facial mask liquid comprises the following raw materials: 1-4wt% of oligopeptide-1, 0.5-3wt% of a saussurea involucrate extract, 2-4wt% of glycerinum, 1-3wt% of lubrajel oil, 1-4wt% of an amino acid moistening agent,0.05-0.5wt% of bacillus/glutamic acid fermentation product filtrate, 0.1-0.3wt% of sodium hyaluronate, 3-10wt% of water chestnuts and the balance of purified water. The facial mask liquid is safe andfree from toxicity, free of preservative substance, natural and pure in smell, free of irritation to skin and good in moisturizing and skincare function. The preparation method of the facial mask liquid comprises a step of mixing the raw materials. The method is simple and rapid, good in condition controllability and applicable to on-scale production. The water chestnut facial mask with the waterchestnut facial mask liquid is applicable to massive people and good in skincare effect.