33results about How to "No obvious stratification" patented technology

An instant naked oats powder as solid beverage for the patients of hyperlipomia and diabetes is prepared from naked oats through removing impurities and fine fibres, soaking in hot water, grinding, adding alpha-amylase, auxiliary materials and emulsifier, homogenizing, emulsifying, and spray drying. Its advantages are high dissolving speed and solubility (more than 89.44%), and rich gamma-linolenic acid.

The invention discloses a milk beverage stabilizing agent, an acid milk beverage using the same and a preparation method in the technical field of food. The milk beverage stabilizing agent comprises the following components in percentage by mass: 50%-70% of carboxymethyl curdlan, 10%-30% of Arabic gum, 10%-20% of propylene glycol alginate and 5%-10% of guar gum. The acid milk beverage comprises the following components in percentage by mass: 1%-8% of whole milk powder or defatted milk powder, 0.2%-1% of stabilizing agent, 10%-20% of white granulated sugar and the balance of water. The preparation method for the acid milk beverage comprises the following steps: taking 35 to 55 DEG C water, adding the white granulated sugar and the stabilizing agent into the water in turn, and stirring the mixture till the white granulated sugar and the stabilizing agent are dissolved to obtain solution A; taking the 35 to 55 DEG C water, adding the whole milk powder or the defatted milk powder into the water, and stirring the mixture till the whole milk powder or the defatted milk powder is dissolved to obtain solution B; and mixing the solution A and the solution B, cooling the solution to between 15 and 25 DEG C, adjusting pH to 4 by using citric acid solution, and heating, homogenizing and pasteurizing the solution to obtain the acid milk beverage. Because the carboxymethyl curdlan and the Arabic gum are introduced into the stabilizing agent, the stabilizing agent has good emulsifying effect and acid resistance, and can effectively improve the stability of a product.

The invention discloses high-strength and high-durability lightweight aggregate concrete and a preparation method thereof, and relates to lightweight aggregate concrete. Each cubic meter of concrete comprises the following raw materials by weight: 200-380kg of cement, 150-250kg of silica fume, 650-750kg of 5-15mm ceramsite, 180-240kg of water and 4-10kg of a polycarboxylate superplasticizer. The preparation method comprises the following steps: firstly, soaking shale-sintered lightweight ceramisite in saturated limewater, fishing out ceramisite floating on the surface, and reserving the settled ceramisite for later use; respectively weighing the settled ceramisite, the silica fume, the cement, the polycarboxylate superplasticizer and water according to the ratio for later use; adding the settled ceramisite to a stirrer to stir in advance; adding the cement and the silica fume to the stirrer to stir in advance, and then stopping the stirrer; starting the stirrer; firstly adding water which accounts for 1 / 3 of the total amount to the running stirrer, stirring, and simultaneously adding the rest water and the polycarboxylate superplasticizer to the specified amount; and further stirring until mixing evenly, so as to obtain the high-strength and high-durability lightweight aggregate concrete.

The invention relates to a profile modification agent for an epoxy resin emulsion, which is used for solving the problem of poor selectivity of the conventional organic resin plugging agent. The profile modification agent for an acrylic monomer grafted epoxy resin emulsion is obtained by polymerizing epoxy resin with an acrylic monomer, neutralizing with N,N-dimethylethanolamine and emulsifying with deionized water, wherein the concentration of the epoxy resin in an emulsion system is 300-600 mg / L, the concentration of the N,N-dimethylethanolamine is 3,000-5,000 mg / L, and the crosslinking ratio is 10:1 or 20:1 or 40:1. When the profile modification agent is in use, a large quantity of gel particles of the emulsion enter large pore canals while a small quantity of or no gel particle enterssmall pore canals, the resistance coefficients of the large pore canals are increased, and the resistance coefficients of the small pore canals are increased at a lower frequency in comparison to thelarge pore canals, so that selective plugging can be realized; and moreover, the profile modification agent has high temperature resistance and high salt resistance, and the emulsion system is stable.

The invention discloses a euphausia superba oil nanostructure lipid carrier. The euphausia superba oil nanostructure lipid carrier is prepared from, by mass, 3.5-6.5% of euphausia superba oil, 3.5-6.5% of solid lipid, 0.9-1.1% of emulgator and the balance water. The invention further provides a preparing method of the euphausia superba oil nanostructure lipid carrier. The preparing method includes the following steps that 1, the solid lipid and the euphausia superba oil are fused and mixed; 2, the emulgator is added into water and stirred until the emulgator is dissolved; 3, under the magnetic stirring condition, the fused mixed lipid is dripped into a water solution obtained in the step 2 while the lipid is hot; 4, primary emulsion obtained in the step 3 is homogenized; 5, the micro emulsion obtained after homogenizing in the step 4 is naturally cooled to the room temperature to obtain an aqueous dispersion of the euphausia superba oil nanostructure lipid carrier. Storage stability and bioavailability of the euphausia superba oil can be improved, and application of the euphausia superba oil to water-soluble food is broadened.

The invention relates to the technical field of inorganic materials, in particular to a method for preparing graphene by an arc discharge method. A method for preparing graphene by an arc discharge method, comprising the following steps: (1) preparation of graphene; (2) preparation of graphene conductive ink. The graphene prepared by the arc discharge method in the invention has the advantages of high yield, high purity, good crystallinity and the like. Graphene is used as a conductive filler to synthesize graphene conductive ink. The prepared conductive ink has good dispersion, no obvious layering, high temperature resistance, and excellent electrical conductivity. It has good flexibility and can be applied to flexible and foldable electronic devices, which greatly broadens its application field.

The invention relates to a navigation device in an orthopedics department and a preparation method of the navigation device. A first movable arm and a second movable arm of the navigation device in the orthopedics department are made of modified polyphenylene oxide plastic which comprises polyphenyl ether, polybutylene, HIPS, LDPE, titanium dioxide, an interfacial modifying agent, a toughening modifying agent, glass fiber, antioxygen and a toner. The preparation method comprises the steps of firstly, conducting forced air drying on polyphenyl ether, polybutylene and HIPS, adding raw materials into a charging barrel after the charging barrel in a high-speed injection molding machine is heated, heating the raw materials into the molten state, then injecting the raw materials to a preheated first movable arm mold and a preheated second movable arm mold in twice through nozzles of a hot flow pass, obtaining the first movable arm and the second movable arm through pressure maintaining, cooling forming and mold opening, and assembling the first movable arm and the second movable arm with other components to form the navigation device in the orthopedics department. The obtained navigation device in the orthopedics department is compact and perfect in whole structure, good in toughness and light in total mass, and the strength of the movable arms is high.

The invention discloses powder-filled hydrogel. The powder-filled hydrogel is prepared from, by mass, 0.5 part of powder, 0.05-0.5 part of gelator and 5-20 parts of solvent. The powder is prepared from plant powder for cosmetics, pearl powder and inorganic particles for cosmetics. The gelator is obtained by mixing one or more of sodium polyacrylate, sodium carboxymethylcellulose, carboxymethyl cellulose sodium, polyacrylic acid copolymer, sodium alga acid and Carbomer. The gelator is free of toxicity, safe, low in price and free of pollution and facilitates the application and popularization of the gel product. The powder-filled hydrogel is high in stability, free of delamination, easy to store, easy to absorb and good in smear feeing and can be widely applied to the field of cosmetics.

The invention discloses a euphausia superba oil nanostructure lipid carrier. The euphausia superba oil nanostructure lipid carrier is prepared from, by mass, 3.5-6.5% of euphausia superba oil, 3.5-6.5% of solid lipid, 0.9-1.1% of emulgator and the balance water. The invention further provides a preparing method of the euphausia superba oil nanostructure lipid carrier. The preparing method includes the following steps that 1, the solid lipid and the euphausia superba oil are fused and mixed; 2, the emulgator is added into water and stirred until the emulgator is dissolved; 3, under the magnetic stirring condition, the fused mixed lipid is dripped into a water solution obtained in the step 2 while the lipid is hot; 4, primary emulsion obtained in the step 3 is homogenized; 5, the micro emulsion obtained after homogenizing in the step 4 is naturally cooled to the room temperature to obtain an aqueous dispersion of the euphausia superba oil nanostructure lipid carrier. Storage stability and bioavailability of the euphausia superba oil can be improved, and application of the euphausia superba oil to water-soluble food is broadened.

The invention discloses a grapefruit essential oil gel and a preparation method thereof. The grapefruit essential oil gel comprises the following components: 1,3-propylene glycol, G260, glycerol, SEPIMAX ZEN, Carbomer 940, methylparaben, water, HA, Beta-glucosan, Tridermol Hydrant, PC2000, SymCalmin, BN, hydroxamic acid, menthyl lactate, CO40, grapefruit essential oil and brilliant blue. The grapefruit essential oil gel disclosed by the invention looks transparent, is in light blue, is beautiful and fashionable and contains a large amount of moistening grease; face is cool and not sticky afterthe grapefruit essential oil gel is used; the grapefruit essential oil gel has excellent whitening and moisturizing effects, is capable of boosting skin metabolism, is long-acting and moisturizing and is capable of keeping skin moisturizing, smooth and elastic; all the subjects have no allergy or symptoms of skin itching, pricking, red and swollen, and the like.

The invention relates to a low-molecular-weight polyolefin emulsion applied to a seed coating film-forming agent and a preparation method of the low-molecular-weight polyolefin emulsion. The emulsionis prepared from the following raw materials in parts by weight: 20-40 parts of low-molecular-weight polyolefin, 2-6 parts of an emulsifier, 1-2 parts of a co-emulsifier, 1-2 parts of a wetting agent,0.1-0.2 part of a preservative, and 50-75 parts of water. The preparation method comprises the steps: adding the low-molecular-weight polyolefin, the emulsifier, the co-emulsifier and the wetting agent into a pressure emulsification kettle according to a preset ratio; heating to 100-180 DEG C, melting to be transparent, stirring at a low speed until the mixture is uniformly mixed, slowly adding formula water under the condition that the stirring rotating speed is 200-400 r / min, keeping the temperature for 30-60 min, and homogenizing to a cooling kettle under 20-40 MPa by using a high-pressurehomogenizer; and cooling to 40 DEG C or less in the cooling kettle, adding the preservative, filtering and discharging. The low-molecular-weight polyolefin emulsion applied to the seed coating film-forming agent can be enriched on the surfaces of seed coating films to form a hard and smooth isolation layer, so that adhesion between the seed coating films is prevented, meanwhile, the hardness andsmoothness of the seed coating films are improved, the seed coating films added with the polyolefin emulsion are smoother and harder, and the wear resistance is obviously improved.

The invention discloses a preparation method of a silicon carbide coating graphite base. The method comprises the following steps: pretreating a graphite base, and putting the pretreated graphite baseon a graphite shunting disc; carrying out CVR deposition, wherein high-purity Si powder and high-purity SiO2 powder are mixed and placed in a vacuum furnace, the vacuum furnace is vacuumized, the temperature is increased to 1850-2050 DEG C in an argon atmosphere, a heat preservation reaction is conducted for 2-4 h, and a SiC matrix layer is generated on the surface of the graphite base; and carrying out CVD deposition, wherein the temperature of the vacuum furnace is reduced to 1050-1200 DEG C, then a CH3SiCl3-H2-Ar reaction gas source system is introduced, a heat preservation reaction is conducted for 10-30 h, and a SiC outer layer is formed on the SiC base body layer formed in the step S2. According t o the invention, the silicon carbide coating obtained through the preparation method is tightly combined with the graphite base, obvious layering is avoided, and the coating is high in purity and compactness, so that the thermal shock resistance of the graphite base is improved.

The invention provides ceramic slurry as well as a preparation method and application thereof. The ceramic slurry comprises the following raw material components in parts by weight: 50-70 parts of aluminum oxide powder, 0.1-4 parts of a sintering aid, 15-20 parts of water, 1-5 parts of acrylamide, 0.05-1 part of N-N methylene bisacrylamide and 0.5-3 parts of a dispersing agent, wherein the pH value of the ceramic slurry is 9-10. The ceramic slurry is prepared by a one-time feeding technology, the preparation process is simple and easy to control, the slurry has good fluidity and stability, when the ceramic slurry is used for preparing ceramics, the surface of a ceramic green body has no obvious defects, the internal structure is compact, and meanwhile, the strength and toughness of the green body can be enhanced; and the yield and the density of the finally sintered ceramic are greatly improved.

Provide a new preparation method of calamine nitrofurazone pharmaceutical composition, especially the new preparation method of calamine nitrofurazone lotion, the raw materials of described calamine nitrofurazone lotion include calamine, zinc oxide, nitrofurazone, glycerin , sodium carboxymethylcellulose, purified water, characterized in that the method comprises first mixing nitrofurazone, at least a part of sodium carboxymethylcellulose and at least a part of water, and then mixing with the remaining components in the composition A step of. The calamine nitrofurazone lotion prepared by the new preparation method of the invention has the advantages of small sedimentation volume ratio, good uniformity, stable quality, and favorable transdermal absorption.

The invention belongs to the field of gradient ceramic forming, and discloses a gradient ceramic forming device. The device includes a non-aperture mold and a first bracket, a second bracket and a third bracket arranged parallel and opposite in a vertical direction, a conductive carrier is arranged on the first bracket and a conductive carrier is arranged below the third bracket for forming a uniform electrostatic field between the first bracket and the third bracket, the second bracket is provided with a non-hole mold which is externally covered with a heating pad, after ceramic slurry is injected into the non-hole mold, the ceramic slurry is heated by the heating pad so that the weak acid is released from the ester PH modifier after hydrolysis in the ceramic slurry, the weak acid reactswith the curing agent in the ceramic slurry to release high-valence metal positive ions, and the metal positive ions are distributed in the ceramic slurry in a gradient concentration under the actionof an electrostatic field, thereby forming the gradient ceramic. The invention realizes the shaping of gradient ceramics with controllable composition gradient and continuous variation of composition,has simple operation and high shaping efficiency, and is suitable for the preparation of gradient ceramics of various structures and functions.

The invention discloses a composite enzyme preparation, in particular to a composite enzyme preparation for improving feed absorption efficiency. The preparation is mainly synthesized from the following components in parts by mass: 5-15 parts of lipase, 20-30 parts of cellulase, 17-23 parts of mannanase, 8-22 parts of xylanase, 10-25 of protease, 1-5 parts of phytase, 12-20 parts of glucoamylase,20-35 parts of sodium alginate and 20-40 parts of carrageenan. The provided composite enzyme preparation has good water solubility, is dissolved in water to form a stable and uniform liquid state, andhas no obvious layering phenomenon after being stirred fully and mixed uniformly; the loss of activity of composite enzymes during feed processing and feeding can be effectively reduced, the digestion and utilization rate of plant fibers and protein is increased, the feed use rate can be increased, immunity and digestion and absorption capacity of animal bodies can be effectively improved, the disease attacking rate is reduced, and the ecological environment is improved.

The invention provides a dinotefuran oil suspending agent and a preparation method and an application thereof. The dinotefuran oil suspending agent contains dinotefuran active matter and further contains at least one synergist of fatty alcohol ethoxylation propoxylate with the general formula of R-O-(EO)x-(PO)y-OH, R is C8-C20 alkyl, EO is ethyleneoxy, PO is propyleneoxy, and x is an integer of 1-20. According to the prepared oil suspending agent containing the dinotefuran active matter and the synergist, the insecticidal activity of dinotefuran is greatly improved, the dosage of the active matter is reduced, and the influence on the environment is reduced; the spray liquid containing the oil suspending agent is excellent in physicochemical property and free of obvious emulsion layering; when the oil suspending agent is applied to plants and / or plant growth environments, the permeation of an application part to the oil suspending agent can be enhanced, and the application efficiency isimproved.

The invention relates to the field of polyurethane, in particular to diisocyanate, a polyurethane prepolymer, a preparation method of the polyurethane prepolymer and waterborne polyurethane. The polyurethane prepolymer includes a repeating unit with the structure shown in a formula (II), wherein in the formula (II), the R represents a left residue of a terminal hydroxyl polymer without two terminal hydroxyl groups, the Q represents a left residue of an HDI tripolymer without three -N = C = O or a left residue of an IPDI tripolymer without three -N = C = O, and the n represents the polymerization degree. The waterborne polyurethane is prepared by dispersing the polyurethane prepolymer in water, and the waterborne polyurethane is small in emulsion particle size, high in stability and good in softness after film forming. An experimental result shows that the emulsion particle size of the prepared waterborne polyurethane is 51-91 nm, no obvious stratification phenomenon is produced after a centrifugal test; after film forming, the Shore hardness is 42-53, the tensile strength is 14-19 MPa, and the elongation at break is 630-800%. (shown in the description).

The invention relates to the technical field of feed additives, in particular to a compound enzyme preparation and its application in post-spraying of aquatic feed. The compound enzyme preparation comprises protease, phytase, cellulase and compound protective agent, has good water solubility, can be dissolved in water to form a stable and uniform liquid state, and has no obvious layering phenomenon after being fully stirred and mixed uniformly. The compound enzyme preparation is added to the aquatic feed through a post-spraying process, which can effectively reduce the loss of enzyme activity of the compound enzyme in the process of feed processing and feeding, thereby increasing the weight gain rate of grass carp by 19.4%, and reducing the feed coefficient by 8.4% , the activities of protease, lipase and amylase in the digestive tract of grass carp increased by 26.5%, 48.9%, and 15.7%, respectively, and significant progress has been made.

The invention discloses powder-filled hydrogel. The powder-filled hydrogel is prepared from, by mass, 0.5 part of powder, 0.05-0.5 part of gelator and 5-20 parts of solvent. The powder is prepared from plant powder for cosmetics, pearl powder and inorganic particles for cosmetics. The gelator is obtained by mixing one or more of sodium polyacrylate, sodium carboxymethylcellulose, carboxymethyl cellulose sodium, polyacrylic acid copolymer, sodium alga acid and Carbomer. The gelator is free of toxicity, safe, low in price and free of pollution and facilitates the application and popularization of the gel product. The powder-filled hydrogel is high in stability, free of delamination, easy to store, easy to absorb and good in smear feeing and can be widely applied to the field of cosmetics.

The invention discloses a graphene high-performance environmental-friendly copper sheet strip rolling liquid and a preparation method thereof, and belongs to the technical field of a lubricant. The rolling liquid comprises main components in percentage by weight: 40 to 50% of colleseed oil, 10 to 15% of polyoxyethylene (20) sorbitan tri-oleate, 1 to 2% of oleic acid, 4 to 10% of alcohol, 0.01 to 0.10% of graphene, 0.5 to 2% of sodium hypophosphite, 5 to 10% of triethanolamine and the balance of water. The preparation method of the graphene high-performance environmental-friendly copper sheet strip rolling liquid comprises the following steps: after adding the graphene into the alcohol to carry out ultrasonic processing for a certain time, mixing with the polyoxyethylene (20) sorbitan tri-oleate, the oleic acid and the colleseed oil to obtain an oil-phase mixed liquor; dissolving the sodium hypophosphite and the triethanolamine in the water, adding into the oil-phase mixed liquor, carrying out shearing stirring for a certain time at a certain rotating speed to obtain stock solution of the rolling liquid, and after diluting the stock solution according to a ratio of 1 to 5 to 10, obtaining the rolling liquid which can be used for rolling machining of a copper sheet strip. According to the invention, raw materials are environmental-friendly; the process is simple; the prepared rolling liquid has no toxicity or pungent odor and has an excellent extreme pressure anti-wear property and storage stability.

The invention discloses a production equipment for thermoplastic continuous carbon fiber unidirectional tape, which comprises a fiber unwinding device, a yarn spreading mechanism, a dipping device, a flattening mechanism, a cooling plate, a trimming device, a traction roller, two waste Side winders, cross cutters and winders. The fiber unwinding device includes a frame, two sets of bobbins, two sets of yarn guide rollers, two sets of yarn guide porcelain eyes, two sets of transition yarn rollers and four moving wheels; Roller, reed door, splitting tractor, spreading transition roll, vibrating roll, two tension driving rolls, two tension floating rolls and second guide roll; impregnation device includes impregnation die head, discharge die head and extruder ;The flattening mechanism includes a pair of sizing rollers, a pair of front cooling rollers and a pair of rear cooling rollers arranged in sequence; two waste edge winders are respectively arranged on both sides in front of the traction roller; the winding device includes interchangeable The first winder and the second winder; the invention effectively guarantees the production quality of the fiber unidirectional belt.

The invention provides a preparation method of a solid-state electrolyte, the solid-state electrolyte and an all-solid-state battery, and the preparation method comprises the following steps: 1) dissolving 10-50 wt% of lithium salt, adding 10-30 wt% of inorganic filler, and then adding 30-80 wt% of first polymer to obtain first electrolyte slurry with the solid content of 10-40%; 2) dissolving 10-50 wt% of a lithium salt, and adding 30-80 wt% of a flexible monomer and 1-3 wt% of an initiator to obtain a second electrolyte slurry with a solid content of 10-40%; 3) pouring the first electrolyte slurry onto a multifunctional casting machine substrate, arranging a non-woven fabric on the surface, far away from the substrate, of the first electrolyte slurry, pouring the second electrolyte slurry onto the non-woven fabric, and heating the first electrolyte slurry at 60-80 DEG C to obtain the solid electrolyte. The solid electrolyte prepared by the method is tight in double-layer membrane connection and free of obvious layering, so that the solid electrolyte has good ionic conductivity.

The invention belongs to the field of gradient ceramic forming, and discloses a gradient ceramic forming device. The device includes a non-aperture mold and a first bracket, a second bracket and a third bracket arranged parallel and opposite in a vertical direction, a conductive carrier is arranged on the first bracket and a conductive carrier is arranged below the third bracket for forming a uniform electrostatic field between the first bracket and the third bracket, the second bracket is provided with a non-hole mold which is externally covered with a heating pad, after ceramic slurry is injected into the non-hole mold, the ceramic slurry is heated by the heating pad so that the weak acid is released from the ester PH modifier after hydrolysis in the ceramic slurry, the weak acid reactswith the curing agent in the ceramic slurry to release high-valence metal positive ions, and the metal positive ions are distributed in the ceramic slurry in a gradient concentration under the actionof an electrostatic field, thereby forming the gradient ceramic. The invention realizes the shaping of gradient ceramics with controllable composition gradient and continuous variation of composition,has simple operation and high shaping efficiency, and is suitable for the preparation of gradient ceramics of various structures and functions.

The invention discloses a milk beverage stabilizing agent, an acid milk beverage using the same and a preparation method in the technical field of food. The milk beverage stabilizing agent comprises the following components in percentage by mass: carboxymethyl curdlan, Arabic gum, propylene glycol alginate and guar gum. The acid milk beverage comprises the following components in percentage by mass: whole milk powder or defatted milk powder, stabilizing agent, white granulated sugar and the balance of water. The preparation method for the acid milk beverage comprises the following steps: taking 35 to 55 DEG C water, adding the white granulated sugar and the stabilizing agent into the water in turn, and stirring the mixture till the white granulated sugar and the stabilizing agent are dissolved to obtain solution A; taking the 35 to 55 DEG C water, adding the whole milk powder or the defatted milk powder into the water, and stirring the mixture till the whole milk powder or the defatted milk powder is dissolved to obtain solution B; and mixing the solution A and the solution B, cooling the solution to between 15 and 25 DEG C, and heating, homogenizing and pasteurizing the solution to obtain the acid milk beverage. Because the carboxymethyl curdlan and the Arabic gum are introduced into the stabilizing agent, the stabilizing agent has good emulsifying effect and acid resistance, and can effectively improve the stability of a product.

The invention relates to the technical field of feed additives, in particular to a compound microbial preparation and its application in post-spraying of aquatic feed. The compound microbial preparation includes Enterococcus faecalis, Clostridium butyricum, Bacillus licheniformis and a compound protective agent, which are added to aquatic feed through a post-spraying process, which can effectively reduce the activity loss of microorganisms in the process of feed processing and feeding, thereby making the The survival rate and weight gain rate of turbot were significantly improved, and the weight gain rate increased by 19.8%, while the feed factor decreased by 14.3%. The activities of phenoloxidase and lysozyme in the blood of turbot in the experimental group increased respectively. 76.5% and 64.4%, which is beneficial to reduce the cost of feed, improve the immunity of aquatic animals, increase the breeding benefits, and the effect is remarkable.

The invention relates to the field of polyurethane, in particular to diisocyanate, a polyurethane prepolymer, a preparation method of the polyurethane prepolymer and waterborne polyurethane. The polyurethane prepolymer includes a repeating unit with the structure shown in a formula (II), wherein in the formula (II), the R represents a left residue of a terminal hydroxyl polymer without two terminal hydroxyl groups, the Q represents a left residue of an HDI tripolymer without three -N = C = O or a left residue of an IPDI tripolymer without three -N = C = O, and the n represents the polymerization degree. The waterborne polyurethane is prepared by dispersing the polyurethane prepolymer in water, and the waterborne polyurethane is small in emulsion particle size, high in stability and good in softness after film forming. An experimental result shows that the emulsion particle size of the prepared waterborne polyurethane is 51-91 nm, no obvious stratification phenomenon is produced after a centrifugal test; after film forming, the Shore hardness is 42-53, the tensile strength is 14-19 MPa, and the elongation at break is 630-800%. (shown in the description).

The invention relates to the technical field of feed additives, in particular to a polypeptide premix and its application. The polypeptide premix contains polypeptide, compound protective agent and soluble carrier. The polypeptide premix is ​​added to the feed through a post-spraying process, which can effectively reduce the activity loss of the polypeptide in the process of feed processing and feeding, thereby significantly improving the utilization of the polypeptide and improving the disease resistance of aquatic animals. Promote weight gain, reduce feed coefficient, improve breeding efficiency, and the effect is remarkable.

The invention discloses a pomegranate puree preparation method, which includes adopting mature pomegranates in mid-to-late October in Lintong as raw materials; using artificial pedicle removal; using recycled water to preliminarily clean the surface of pomegranate; after cleaning is completed, sending the pomegranate into a pomegranate peeler through a hoist for peeling treatment; then sending the pomegranate into a beater for pulping after washing is completed; collecting and placing pomegranate peel; when pomegranate pulp is crushed, adding VC with pulp quality of 0.01-0.5% for color protection treatment, and then sending the mixture into a centrifuge for centrifugal treatment; after the centrifugation is completed, adding pomegranate juice into a 201-model filter for cross-flow filtration to obtain clear ruby-red slurry without impurities by ultrafiltration; and acquiring the finished product after homogenization, degassing and sterilization. The preparation method of pomegranate puree ensures the fineness of pulp, uniform texture, no obvious delamination and no other impurities.