330results about How to "Moderate proportion" patented technology

The invention discloses glass fiber air filter paper with high dust holding capacity, which is prepared from alkali-free glass fiber chopped strands and alkali-free glass fiber cotton in the diameter of 0.3-0.4 mu m, as well as an adhesive, wherein the glass fiber air filter paper comprises 3-8 parts by weight of the alkali-free glass fiber chopped strands and 92-97 parts by weight of the alkali-free glass fiber cotton, and the adhesive is a water repellent containing fluorocarbon. The invention further discloses a production process of the glass fiber air filter paper with the high dust holding capacity, and the production process comprises the following steps: firstly beating and dispersing raw material to obtain pulp, then performing wet process forming on the pulp to obtain wet paper, removing water in the wet paper, then performing two-sided sizing on the dehydrated wet paper, and finally drying to obtain a product, wherein the beating degree during beating is 52-56 degrees SR, suction dehydration is performed in three stages, and drying treatment is performed in four stages. The glass fiber air filter paper disclosed by the invention has the advantages of smooth and uniform surface, large specific surface area and dust holding capacity, high mechanical strength and resistance to acid and alkali corrosion.

The invention relates to a surface coating type reinforced concrete corrosion inhibitor. The surface coating type reinforced concrete corrosion inhibitor comprises the components as follows: 15 to 40 wt% of a non-ionic surface active agent with HLB (Hydrophile Lipophile Balance) value more than 10, 5 to 30 wt% of a cosurfactant, 1 to 20 wt% of water insoluble organic inhibitor, and 20 to 50 wt% of water, wherein the cosurfactant is selected from organic alcohol or organic amine. The preparation method comprises the steps of mixing the non-ionic surface active agent, the cosurfactant and the water insoluble organic inhibitor, and agitating along with heating unit the mixture is completely molten, and then agitating along with water adding until the mixed liquid is turned into a clear state from a muddy state, thus obtaining the product. The preparation method provided by the invention is simple; the prepared product can be applied to surface treatment of the constructed concrete structure; and the prepared product has superior infiltration capacity, can effectively prevent the reinforcement surface from being eroded by chloride salt and sulfate, and has no adverse effect to the performance of the concrete.

The invention provides a concrete polycarboxylate water reducer, which is shown in the formula (A), wherein R1 is alkyl having 1 to 10 carbon atoms, R2 is alkyl having 1 to 10 hydrogen or carbon atoms, R3 is H or COOH, and R4 is H or CH3. The water reducer has stable performance and high water-reducing rate and slump retention. The invention also provides a preparation method of the water reducer, which has the advantages of simple process, convenience for operation, environmental friendliness, low energy consumption and the like.

The invention relates to a tea garden fertilizer applying method and aims to provide a fertilizer applying method for improving the tea garden soil aqueous vapor fertilizer environment. The method comprises the following steps of: (1) digging substrate grooves with the lengths of 30-60cm, the widths of 20-40cm and the depths of 50-80cm in the positions among tea tree lines or plants every 150-200cm and uniformly distributing the substrate grooves between the line and the line alternately; and (2) filling fermented organic substrates into the substrate grooves and then covering garden soil with the thickness of 5-8cm so that the surface of the garden soil is leveled with the ambient earth surface. The invention is beneficial to deepening an effective soil layer and improving the soil fertility and the soil structure; the substrate grooves are earthworm sources and are beneficial to improving the soil fertility and the soil ventilation; organic matters are more intensively applied to one side of a tea tree relatively, and the proportion of an absorbing root system and a transportation root system is proper, thereby being beneficial to improving the yield and the quality of tea; and the invention can improve the water content of the slope tea garden deep soil and the water retaining capacity of the soil and promote the downward growth of the root system.

The invention discloses a microchannel parallel-flow heat exchanger, which comprises an inlet flow collecting tube, an outlet flow collecting tube and a refrigerant inlet tube, wherein the refrigerant inlet tube is arranged in the inlet flow collecting tube; the end parts of the inlet flow collecting tube and the outlet flow collecting tube are both provided with end covers; more than two porous flat tubes are arranged between the inlet flow collecting tube and the outlet flow collecting tube; two ends of each porous flat tube are respectively inserted into the inlet flow collecting tube and the outlet flow collecting tube; at least one end of the refrigerant inlet tube extends out of the inlet flow collecting tube through refrigerant input tubes; the periphery of the refrigerant inlet tube is provided with more than two connecting tubes; and the connecting tubes are communicated with an inner cavity of the refrigerant inlet tube and an inner cavity of the inlet flow collecting tube. A strip flute-shaped tubular refrigerant distributor is formed in the microchannel parallel-flow heat exchanger provided by the invention; a refrigerant enters the refrigerant inlet tube from the refrigerant input tubes at two ends of the inlet flow collecting tube; and the refrigerant is uniformly distributed in the inlet tube. The refrigerant enters the inlet flow collecting tube through flow distributing hole groups on the connecting tubes on the inlet tube. The microchannel parallel-flow heat exchanger has high integral heat exchange efficiency, and the refrigerant can be uniformly distributed in a plurality of porous flat tubes.

The invention relates to a preparation method of broiler chicken feed which comprises the following components according to the weight percent: 50-65 of corn, 3-6 of wheat bran, 20-30 of bean pulp, 0.5-1.5 of stone powder, 2-5 of fish meal, 5-8 of rice bran, 0.1-0.5 of salt, 0.6-1 of premix additive and 0.8-1 of calcium hydrophosphate. The preparation method comprises the following steps: taking the corn, the wheat bran, the bean pulp, the stone powder, the fish meal, the rice bran, the salt, the premix additive and the calcium hydrophosphate according to a certain proportion; pouring into a feed mixing machine to mix for 30min; placing into a grinder to be ground into grains after taking out; and then pouring into a multifunctional chicken feed cycle pattern granulation machine to be heated and produced into hard granular feed, sieving by a 80 mesh sieve, and packaging and sealing.

The invention relates to a preparation method of loach fodder. The loach fodder comprises the following materials by weight percentage: 10 to 20 of fish meal, 20 to 35 of bean cake powder, 15 to 18 of wheat flour, 8 to 15 of vegetable cake powder, 5 to 8 of rice bran powder, 5 to 8 of shrimp meal, 2 to 4 of chicken intestine powder, 1 to 1.4 of fish auxin, 5 to 8 of blood meal, 4 to 7 of silkworm pupa meal and 0.1 to 0.5 of inorganic salt. The preparation method of the loach fodder comprises the following steps: pouring the materials into a container to uniformly stir; using a circular mould type soft granulator to produce soft granulated fodder; and using a screen of 40 meshes to screen the fodder so that each granule has the weight of 0.1g.

The invention discloses a special double-layer carbon-free tundish covering agent for silicon steel and a use method thereof. The production process of the special double-layer carbon-free tundish covering agent for the silicon steel is simpler and more convenient, and a production process of an the upper layer of covering agent comprises the following steps of: crushing a mixture prepared from all component with qualified chemical components; grinding the mixture to fine granules with the granularity of 0-0.21 mm; uniformly stirring and drying until the water content is less than 0.5 percent; and packaging. A production process of a lower layer of covering agent comprises the following steps of: crushing a mixture prepared from all component with qualified chemical components; grinding the mixture to fine granules with the granularity of 0-0.15mm; uniformly stirring and drying until the water content is less than 0.5 percent; and packaging. The special double-layer carbon-free tundish covering agent for the silicon steel with good fusion performance and spreadability produced by the invention can ensure that the fluctuation of the components C, N, S, P and Al of the molten steel in the tundish is within 10PPm (the fluctuation of the casting in 5PPM is up to more than 80 percent) during the smelting process of the silicon steel, thereby ensuring the smooth operation of continuous casting process.

The invention relates to a preparation method of herring feed which comprises the following components according to the weight percent: 5-15 percent of fish meal, 15-34 percent of bean cake, 3-9 percent of barley, 10-16 percent of rape-seed cake, 3-8 percent of bran, 18-20 percent of corn, 3-8 percent of bone meal, 5-9 percent of silkworm pupa, 1-2 percent of salt, 1-3 percent of premix additive, 2-4 percent of multiplex vitamin and 2-4 percent of mineral composition additive. The preparation method comprises the following steps: pouring the materials into a container, uniformly mixing, producing settled hard granulated feed by a loop mode hard granulation machine, and sieving by a 40-mesh sieve, wherein the weight of each grain is 0.1g.

The invention relates to a preparation method of a rainbow trout feed comprising following components in percentage by weight : 18-30 of fish meal, 15-25 of blood meal, 8-18 of bean cake meal, 4-10 of bran, 3-7 of wheaten flour, 4-10 of cornmeal, 6-9 of fish liver and glandular meal, 7-15 of vegetables, 1-3 of feed mineral supplement, 1-3 of vegetable oil and 1-2 of various vitamins. The components are poured into a fish feed stirring mill to be stirred for 20 min in proportion, the mixture is taken out and is poured into a multi-purpose ring model type soft pelleter to be heated and processed into soft particle feed and is then screened by a 40-mesh filter screen, and the weight of each particle is 0.1 g.

The invention relates to a method for preparing a soft-shelled turtle feed. The soft-shelled turtle feed comprises the following materials in percentage by weight: 30 to 55 percent of white fish meal, 10 to 30 percent of red fish meal, 5 to 8 percent of starch, 16 to 23 percent of bean pulp, 2 to 4 percent of cuttlefish meal, 2 to 4 percent of liver meal, 1 to 3 percent of inorganic salt, 1 to 3 percent of bonding agent, and 1 to 2 percent of various vitamins. The method comprises the following steps: pouring the white fish meal, the red fish meal, the starch, the bean pulp, the cuttlefish meal, the liver meal, the inorganic salt, the bonding agent and the vitamins into a crusher in proportion and crushing the materials into powder; and pouring the powder into a fish feed granulator, and heating and processing the powder into a powder feed, wherein the feed is fed by adding quantitive water into the feed and stirring the mixture evenly when the feed is fed to soft-shelled turtles.

The invention relates to a method for preparing tows for blended modified polylactic acid cigarettes. Fiber grade polypropylene particles, functional master batches and polylactic acid particles are uniformly mixed according to a certain ratio, and the tows for polylactic acid cigarettes are prepared through the working procedures of spinning, oiling, drafting, wrapping and drying. The method has a simple process and high speed to form, the produced product can reduce the specific weight of polylactic acid fiber, the operational performance is increased, the surface area of the fiber is increased, grain phase particles in smoke can be effectively absorbed, and a good filtering effect is generated.

The invention relates to pine nut shell gas-phase adsorption active carbon, which is prepared from the following raw materials in parts by weight: 150 to 160 parts of pine nut shell, 3 to 4 parts of graphene, 10 to 15 parts of attapulgite, 8 to 10 parts of ferric trichloride, 8 to 10 parts of sodium perborate, 10 to 15 parts of citric acid, 4 to 5 parts of modified diatomite and an appropriate amount of water. The pine nut shell is adopted as a raw material to produce the active carbon. The pine nut shell has hard texture and moderate specific gravity and is likely to form a fine pore structure after being carbonized at a high temperature, the weaknesses of a traditional method can be overcome and the active carbon is suitable for the gas adsorption; by adopting the attapulgite, a sterilizing, deodorizing, moisture absorbing and mildew preventing functions can be achieved and organisms can be catalyzed and decomposed; by utilizing the ferric trichloride, oxidization and desulphurization can be realized; due to addition of the sodium perborate, the oxidization decoloring function be realized and ecological oxygen can be realized; and the pine nut shell gas-phase adsorption active carbon is safe, healthy, low in cost and particularly suitable for purifying the air of a living environment.

The invention discloses an inactive double-protein lactobacillus beverage and a preparation method of the beverage. The inactive double-protein lactobacillus beverage comprises the following components by weight percent: 0.5-2.5% of vegetable protein, 1-3% of animal protein, 8-10% of white granulated sugar, 0.5-2.5% of prebiotics, 0.1-1% of citric acid, 0.1-1% of sodium citrate, 0.01-0.1% of phosphate, 0.1-1% of lactic acid, 1-8% of stabilizing agent, 0.01-0.05% of preservative, 0.02-0.1% of lactobacillus, 0.01-0.05% of edible essence and the balance of water. The inactive double-protein lactobacillus beverage is high in protein content, and the protein content reaches up to 1.5%; the proportion between animal protein and plant protein is proper, so that the nutrition is more balanced; furthermore, the product is stable in shelf life and does not have the phenomenon of protein precipitation.

The invention relates to a pelteobagrus fulvdraco feed, which is prepared with the following components by weight percentage: 6-10 percent of shrimp meal, 20-40 percent of bran, 10-15 percent of bone meal, 25-35 percent of soybean meal, 5-10 percent of sweet corn gluten meal, 8-10 percent of rice bran powder, 0.4-1 percent of chicken blood powder, 0.1-0.5 percent of salt, 0.5-2 percent of inorganic salt and 0.5-1 percent of mineral additive. The pelteobagrus fulvdraco feed is prepared through the following steps: mixing all the components according to the proportion, crushing the mixture with a multi-purpose fish feed crusher, heating with an annular die type hard particle machine to produce sediment hard-particle feed, and screening the hard-particle feed with a 60-mesh sieve, thereby obtaining the pelteobagrus fulvdraco feed. The weight of each piece of pelteobagrus fulvdraco feed is 0.2g.

The invention discloses a ceramic material for photocuring 3D printing and a ceramic member, and preparation methods thereof. The preparation method for the ceramic material comprises the following steps: S0, weighing a certain amount of ceramic powder with an average particle size of 1 to 10 [mu]m, organic monomers with a viscosity of 100 cps or below and a copolymer dispersant containing acidicgroups, and dividing the dispersant into two parts; S1, pouring ceramic powder and an organic solvent in a volume ratio of 1: 1 to 1: 2 into a ball milling tank, adding the first part of the dispersant and successively carrying out sufficient ball milling, filtering and drying so as to obtain pre-dispersed powder; S2, pouring the organic monomers into a container, carrying out mechanical stirring,adding a free radical type photoinitiator, a thickening agent and the second part of the dispersant and carrying out stirring for dissolving so as to obtain a mixed solution; and S3, adding the powder into the mixed solution in multiple times to prepare mixed slurry, carrying out uniform mixing under stirring, transferring the obtained mixture into the ball milling tank and carrying out thoroughball milling so as to prepare the ceramic material. The ceramic material prepared in the invention has good stability; and the prepared ceramic member is reduced in size and has high density and bending strength.

The invention relates to a preparing method of porcine pseudorabies virus subunit vaccine composition. The preparing method includes the steps that 1, a gB protein fragment gene and a gD protein gene are cloned and amplified respectively; 2, the amplified gB protein fragment gene and the amplified gD protein gene are used for constructing plasmid of tandem expression gB protein and gD protein; 3, gB+gD recombinant protein is expressed through the obtained plasmid of tandem expression gB protein and gD protein and purified, adjuvant is added, and emulsification is carried out. The preparing method is simple, porcine pseudorabies virus gB and gD protein can be prepared in quantity, shorter time is spent, the expression amount is large, the production cost is greatly reduced, which is beneficial for large-scale production. The virus subunit vaccine containing the prepared gB and gD protein is good in immune effect and small in immune amount and capable of effectively preventing diseases related to the porcine pseudorabies virus and related infectious diseases caused by the porcine pseudorabies virus.

The invention discloses crataegus pinnatifida bunge yoghourt. Crataegus pinnatifida bunge raw pulp is added into yoghourt. The yoghourt keeps all nutritional ingredients of crataegus pinnatifida bunge, particularly anthocyanin; meanwhile, sediment is not generated in the yoghourt and the ratio of the yoghourt to the crataegus pinnatifida bunge raw pulp is suitable; and the yoghourt is sour and sweet, and tasty, is reasonable in nutrition match and has the effects of improving the gastrointestinal function by crataegus pinnatifida bunge and the yoghourt.

The equalizing nutrient effervescent tablet is prepared with nutrient matters containing vitamins and trace elements and capable of providing human body with essential nutrient matters. It has its acid and alkali nutrient matters separately embedded. It has the advantages of long guarantee period, good taste, easy absorption and capacity of providing equalized nutrients.