437results about How to "The preparation method is scientific and reasonable" patented technology

An effervescent tablet for improving the immunizing effect of vaccine by dissolving it in drinking water contains water-soluble non-volatile weak solid acid and hydrogen carbonate salt, water-soluble solid auxiliary and color indicator and leavy metal chelating agent.

The invention belongs to the technical field of thermal-insulation materials and particularly relates to an efficient thermal-insulation aerogel composite plate and a preparation method thereof. The aerogel composite plate is prepared from a thermal-insulation material matrix and aerogel, wherein the thermal-insulation material matrix is a fiber mat of which the density is 0.09-0.12g/cm<3>, and the diameter of the fiber is 1-3mu m; the aerogel is prepared from tetraethylortho silicate, alcohol and distilled water at a molar ratio of 1: (4-10): (2-6); and the total volume of the aerogel is 1.5-3 times of the volume of the fiber mat. The aerogel composite plate has the characteristics of high efficiency and thermal insulation; and the preparation method is simple in process and is easy to implement.

The present invention provides a method of multi-walled carbon nantubes using polymer as raw material, belonging to inorganic function material synthesizing technology field, in particular: polyethylene or polypropylene, PEMA or polypropylene and catalyst are placed in the sealing container according to a certain proportion, calculated by weight percentage, polyethylene or polypropylene : PEMA or polypropylene : catalyst is 1:0.25-0.5:0.05-0.005; baking 10-25 hour under the temperature 600-850 Celsius, cooling to room temperature, removing reactant, acid washing to remove catalyst, the product is obtained by drying. The invention has a simple operation, high productive rate, lower cost, and is a green method for acquiring carbon nantubes, the multi-walled carbon nantubes have wide application, used as hydrogen storage material, high strength composite field, catalyst carrier etc.

The invention discloses a method to manufacture anti-sticking antisepsis coating material used in water or gas pipeline. It is made up of film forming resin, filling, assistant agent, dispersing agent, and compounding solution. The main ingredients in film forming resin are epoxy resin, chlorinated rubber, and phenol-formaldehyde resin. The filling is made up from iron red, and talcum powder. The assistant agent is gas phase SiO2. And the compounding solution is made up from ethanol, cyclohexanol, butyl alcohol. The coating material has the advantages of easy to be manufactured, strong adhesive force, good tenacity, steady capability, and so on.

The invention relates to a zirconia reinforced silicon nitride/quartz-matrix ceramic composite material, and belongs to the technical field of special ceramics. The composite material comprises the following compositions by weight: 60 to 80 percent of quartz powder, 10 to 30 percent of silicon nitride powder, 2 to 15 percent of nano ceramic powder, 1 to 10 percent of sintering auxiliary agent and 5 to 20 percent of zirconia powder. The preparation method comprises the following steps: adopting deionized water as dispersing medium and silicon nitride ceramic balls as grinding medium; mixing and grinding the compositions in a polyurethane ball milling jar for 10 to 20h to prepare shaped granular material with the grain diameter between 100 and 500 mu m; preparing a biscuit through press forming; and preparing the composite material through pressureless baking in nitrogen atmosphere. The zirconia reinforced silicon nitride/quartz-matrix ceramic composite material has the advantages that the composite material has strong temperature resistance, excellent ablation resistance, excellent mechanical property and dielectric property and high intensity and can meet the requirements of application; moreover, the preparation method is scientific, reasonable and simple.

The invention belongs to the technical field of synthesis of polyether and particularly relates to antioxidant polyether polyol and a preparation method thereof. The antioxidant polyether polyol is prepared from the following raw materials in parts by weight: 200-600 parts of an initiator, 1-5 parts of a catalyst, 112-520 parts of propylene oxide and 238-1100 parts of ethylene oxide, wherein the initiator is o-phenylenediamine and sorbitol. The preparation method comprises the following steps: dissolving the initiator and the catalyst until a homogeneous phase is formed, displacing, heating, dropwise adding propylene oxide and ethylene oxide and reacting to obtain crude polyether polyol; washing crude polyether with water, neutralizing, adsorbing, drying and filtering to obtain the finished product, namely, polyether polyol. The polyether polyol prepared by the preparation method disclosed by the invention has good antioxidant effect, the amount of the antioxidant is reduced, the production steps are simplified, the benefits are increased and the range of source of raw materials is wide; the preparation method is scientific, reasonable, simple and feasible.

The invention discloses a preparation method of an amur grape beibinghong dry red wine. The method comprises the steps of preparing grape mash by artificially threshing and crushing raw materials; adding potassium metabisulfite; adjusting the sugar content of the grape mash by adding sugar; performing first fermentation by adding active dry yeast; separating skins and dregs to obtain a supernatant liquor; performing second fermentation on the supernatant liquor; separating wine lees to obtain a raw wine; performing tank turning and ageing; rapidly cooling the raw wine by adding a clarification stabilizer, and freezing; filtering and sterilizing; bottling; storing. The preparation method is scientific, reasonable and easy to control operations, and can be applied to special wine manors for producing high-grade dry red wines in a small scale.

The invention discloses a macromolecular preservative paint and preparing method, which comprises the following steps: allocating raw material with 55% filming material, 11% solvent, 11% paint adjuvant and 23% dye and fill; heating filming material to dissolve; stirring to add emulsion to emulsify; adding solvent, paint adjuvant to grind; beating; stirring; filtering; detecting viscosity; selecting filming material from oil-water amphiprotic acrylic acid resin, natural rubber, chlorcosane and zinc stearic acid; making isopropanol as solvent.

The invention relates to a looks-improving, youth-keeping and anti-aging health care food which can strengthen human immunity function and a preparation method thereof. The health care food compounds donkey hide gelatin, polygonatum, poria cocos, cassis seed, rhizoma polygonatum, wolfberry fruit, etc. raw materials in accordance with a certain portion. The raw materials are made into oral liquid, granule or tea drinking through the preparation technique of cleaning, precise selection, processing, grinding, etc. The health care food of the invention, based on the theory of keeping health of Chinese traditional medicine, has the functions of conserving outside with inside, looks improving and youth keeping, delaying aging and strengthening the immunity function of human body. The raw materials of the invention are natural, atoxic and harmless and do not have side effects; meanwhile, the source of the raw materials is sufficient. The preparation method is scientific and reasonable, simple and easy.

The invention provides a compound feed of pelteobagrus fulvidraco juvenile fish and a preparation method thereof. The compound feed comprises the following components in percentage by weight: 25-45% of fish meal, 4-8% of meat and bone meal, 15-20% of flour, 4-10% of corn, 10-20% of soy bean meal, 4-8% of rapeseed meal, 1-4% of fish oil, 10-20% of corn gluten meal, 1.0% of multivitamins, 1.0% of multiminerals, 0.1% of immunopotentiator, 0.2% of liver protecting agent, 0.2-0.4% of choline and 1-2% of calcium biphosphate. The compound feed has high quality grinding particle size, mixing uniformity, feed shaping property, water resistance and other characteristics. The pelteobagrus fulvidraco juvenile fish fed with the compound feed has body color close to the natural body color, and the compound feed can improve the anti-virus capability of the pelteobagrus fulvidraco juvenile fish, shorten the breeding cycle, reduce the breeding cost, reduce the sources of the diseases and water body pollution and has obvious economic and environmental benefits.

The invention relates to a preparation method of barley grass tea. The preparation method comprises the steps of carefully choosing raw material, washing, dehydrating, performing super-fine crushing, sterilizing and packaging. The preparation method of the barley grass tea has the advantages of scientific and reasonable preparation method and simple process, and the prepared barley grass tea is delicious in taste, contains more than 70 minerals, various vitamins, plant flavonoids, soluble dietary fiber and natural chlorophyll, and is rich in nutrition, easy to store and transport, clean, sanitary, convenient to drink and suitable for food habits of Chinese people. The barley grass tea is suitable for being used at home and during traveling, as well as being used as a gift for friends and relatives.

The invention relates to a preparation method of flame-retardant polyether glycol and belongs to the technical field of modification of polyether glycol. The flame-retardant polyether glycol is prepared from raw materials in parts by weight as follows: 100-200 parts of tetrabromobisphenol A, 100-150 parts of an initiator, 1.0-2.0 parts of potassium hydroxide and 120-300 parts of epoxyalkane, wherein the initiator is glycerin, propylene glycol or dipropylene glycol. The method is scientific, reasonable, simple and easy to implement, and the prepared flame-retardant polyether glycol is high in hydrolysis-resistant stability and good in flame-retardant effect.