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

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 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 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.

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 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 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.

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 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 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.