45results about How to "Uniform traits" patented technology

The invention relates to a POE (ethylene-octene copolymer) spectrum conversion solar cell packaging rubber film and a preparation method thereof. The POE spectrum conversion solar cell packaging rubber film comprises the following components in parts by weight: 60-80 parts of spectrum conversion particles a, 20-40 parts of spectrum conversion particles b, 0.01-5 parts of organic peroxide, 0.05-0.25 part of ultraviolet stabilizer, 0.05-0.25 part of ultraviolet absorber and 0.01-5 parts of silane coupling agent. The preparation method of the POE spectrum conversion solar cell packaging rubber film comprises the following steps of: 1) adding 70-95 parts of POE and 5-30 parts of spectrum conversion materials into an extruder, extruding and granulating to obtain the spectrum conversion particles a; 2) adding 5-30 parts of POE and 70-95 parts of spectrum conversion materials into the extruder, extruding and granulating to obtain the spectrum conversion particles b; and 3) adding the raw materials into the extruder, extruding in a mixed way, and casting to form a film. The POE spectrum conversion solar cell packaging rubber film provided by the invention has the advantages of good weather resistance and good character uniformity; and the preparation method provided by the invention has the advantages of simplicity in operation and low cost.

The invention discloses contact lens nursing liquid or moisture eye moistening liquid containing polyoxyethylene hydrogen castor oil. The contact lens nursing liquid is composed of the polyoxyethylene hydrogen castor oil, pH regulator, osmotic pressure regulator, metal complex, surface active agent, thickening agent, bactericide and water, and the contact lens lubricating moist liquid is composed of the polyoxyethylene hydrogen castor oil, the pH regulator, the osmotic pressure regulator, the metal complex, the thickening agent, preservative and water. The polyoxyethylene hydrogen castor oil selected by the invention has a plurality of branched chains and good lubricating performance; and the existence of the polyoxyethylene end enable the product to have good moist performance. The polyoxyethylene hydrogen castor oil is viscous liquid, is easily dissolved in water, has even solution performance, and does not have the condition that fine granules or macromolecules curl and enwind in aqueous solution because solid macromolecule raw materials can not completely dissolved to further cause the problem that eyes feel uncomfortable. The obtained product is achromatous and flavourless, and has good user reception, low production cost, and wide source of the main material of the castor oil.

The invention relates to an environment-friendly low-cost flame-retardant aid which is added into an organic synthetic material and a preparation method thereof. The synergistic flame retardant comprises the following components in percentage by weight: 10 to 15 percent of nanometer silicon dioxide, 70 to 80 percent of magnesium oxide, 3 to 5 percent of alumina, 1 to 2 percent of silane coupling agent, and 1 to 8 percent of pentaerythritol tetrastearate. The preparation method comprises the following steps of: 1, performing coating treatment on the silane coupling agent and the nanometer silicon dioxide by using organosilicon, wherein the treatment time is 2 to 3 hours; and 2, crushing the nanometer silicon dioxide which is subjected to coating treatment and other components, and mixing to form an uniform mixture. The flame-retardant aid can partially substitute antimony oxide in a halogen and antimony flame-retardant system, can ensure that materials have good flame-retardant properties, and reduces the total cost of material products at the same time; and the preparation method is simple.

The invention discloses sunscreen cream. The sunscreen cream is prepared from the following components in percentage by weight: 0.82-8.7% of titanium dioxide, 0.5-10% of diethylaminohydroxybenzoyl hexyl benzoate, 1.4-8.4% of octylmethoxycinnamate and 0.5-7.5% of methylene bis-benzotriazolyl tetramethylbutylphenol. According to the sunscreen cream, a physical sun-screening agent (titanium dioxide)and a chemical sun-screening agent (the diethylaminohydroxybenzoyl hexyl benzoate, the methylene bis-benzotriazolyl tetramethylbutylphenol and avobenzone) are reasonably blended to prepare a cream forming agent, and the sunscreen cream is good in skin feel and good in sunscreen effect.

The invention relates to an additive-free ice-cream and a preparation method thereof. The ice-cream comprises the following components by weight percent: 13% to 15% of sugar, 9% to 12% of milk powder, 6% to 8% of oil, 1% to 2% of egg yolk liquid, 1% to 2% of waxy corn starch and 0.8% to 1.2% of instant bean flour, and the rest is water. The invention further provides the preparation method of theadditive-free ice-cream. The ice-cream provided by the invention is not added with additives and conforms to the taste and flavor of frozen drinks in the present market through the coordination of egg yolk products, instant bean flour and waxy corn starch. Compared with the present ice-cream, the ice-cream provided by the invention is more stable and more uniform in properties and has a favorableanti-melting property and a favorable viscosity.

The invention discloses a breeding method for a high-yield black-skin chicken strain and belongs to the technical field of molecular breeding. The genotype of a black-skin site of a chicken is authenticated with a molecular marker-assisted selection method, so that the genotype of the site can be quickly determined, and the shortcomings of complicated testcross, long generation interval and the like in conventional breeding are overcome. The method disclosed by the invention is used for producing the high-yield black-skin chicken strain of which the genotype is FmFm, so that the generation interval is shortened, the breeding progress is accelerated, and the breeding cost is reduced; furthermore, the egg laying performance of the strain is high, and the nutritional value of eggs is high; the black-skin characters of culled hens are uniform, and carcasses are more attractive. Furthermore, the strain is used as a male parent hybridized with high-laying-rate chickens, so that black-skin chickens with higher production performance can be produced.

The invention provides fluorescent gold nano-cluster gel. The gel comprises components in percentage by volume as follows: 30%-50% of gold nano-clusters and 50%-70% of a polysaccharide aqueous solution, wherein the weight/volume ratio of polysaccharides to water in the polysaccharide aqueous solution is 0.1%-2%. A preparation method of the gel comprises steps as follows: A, the gold nano-clusters are added to the polysaccharide aqueous solution at 50-80 DEG C, the volume percentage of the gold nano-clusters is 30%-50%, the volume percentage of the polysaccharide aqueous solution is 50%-70%, a gold nano-cluster and polysaccharide mixed solution is obtained after even mixing, and the weight/volume ratio of the polysaccharides to the water in the polysaccharide aqueous solution is 0.1%-2%; B, the gold nano-cluster and polysaccharide mixed solution is left to stand and washed with water, and the gold nano-cluster hydrogel is obtained. The gold nano-cluster hydrogel is very sensitive to pH, indicates change of the pH value through simple color change, has the wide pH value indicating range and is more uniform in gel property, and the detection result is accurate and good in reproducibility; raw materials are easy to obtain, low in cost and wide in source, the preparation process is pollution-free, operation is simple and easy to implement, and the gel is suitable for large-scale industrial production.

The invention discloses a Chinese magnoliavine layering propagation method, and belongs to the technical field of plant cultivation. The method comprises following processing steps: 1) digging trenches on the land around descendants of a Chinese magnoliavine seed tree; layering the descendants serving as layered branched in the trenches; filling and leveling up the trenches; enabling front segments of new shoots to be exposed on the land; pinching the descendants; and separating the descendants from the seed tree at the base after the plant goes into a dormancy stage; and 2) digging out the rooted layered branches; cutting the rooted layered branches into single bud branches provided with roots; cultivating each single bud branch with the eye being upward; covering buds with soil; applying a soil bactericide for one time; shading the buds; and removing the shading after seedlings survive. By employing the method, the operation is easy, the seedling growing speed is fast, the survival rate of the seedlings is high, and the management is facilitated. The method is a Chinese magnoliavine vegetative propagation cultivating method having relatively high promotional values.

The invention relates to a synthesis method and application of superabsorbent resin microspheres with antibacterial properties. The synthesis method comprises the following steps: (1) adding a certain amount of magnetic ordered mesoporous carbon nanospheres and a polymer dispersing agent to a certain amount of water, performing full and even stirring, then performing vacuum and/or ultrasonic-assisted degassing treatment for 1-2 h, adding a certain amount of acrylic acid, performing even stirring, and controlling the temperature at 35-45 DEG C; (2) adding a certain amount of sodium hydroxide to the system obtained in the step (1) while stirring, and controlling the temperature at 65-75 DEG C in the reaction process; (3) adding a certain amount of a composite crosslinking agent and an initiator, and controlling the temperature at 80-90 DEG C for a reaction for 2-3 hours so as to form a semi-finished product superabsorbent resin colloid, wherein the composite crosslinking agent is a mixture of NMBA and PEGDA; and (4) putting the superabsorbent resin colloid obtained in the step (3) in a certain amount of a solvent, performing rinsing for 1-3 times, adding a certain amount of a nano-silver antibacterial agent, performing drying until the moisture content at less than 3%, performing pulverization to a certain particle size, and performing magnetic separation so as to obtain the superabsorbent resin finished product.

A provided preparation method for a normal-temperature solid dairy product comprises: preparing fermented milk; cooling the fermented milk to 2-6 DEG C, and standing for 4-20 h, so as to obtain aged fermented milk; stirring and aerating the aged fermented milk, and controlling the stirring aeration expansion ratio to be 30%-70%, so as to obtain aerated fermented milk; shaping the aerated fermented milk, then putting in an environment with the temperature of -80 DEG C to -65 DEG C and refrigerating for 1.5-3 h, so as to obtain refrigerated fermented milk; and drying the refrigerated fermented milk to have a water content of 2%-5%, so as to obtain the normal-temperature solid dairy product. The invention also provided the normal-temperature solid dairy product prepared according to the above method, and the normal-temperature solid dairy product generates crisp unique mouthfeel when being instantly eaten, and can be stored at normal temperature.

The invention provides a preparation method of a normal-temperature solid dairy product. The preparation method comprises the following steps of preparing fermented milk, cooling the fermented milk to 2-6 DEG C, carrying out standing for 4-20h to obtain aged fermented milk, agitating the aged fermented milk for inflation at an agitating inflation expansion ratio of 110-200% to obtain aerated fermented milk, molding the aerated fermented milk, carrying out refrigeration at a temperature of -80 to -75 DEG C for 1-2h to obtain refrigerant fermented milk, and drying the refrigerant fermented milk until water content of 2-5% to obtain the normal-temperature solid dairy product. The invention provides the normal-temperature solid dairy product. The normal-temperature solid dairy product has water content of 2-5%, protein content of 4.0-5.0% and fat content less than or equal to 0.45%. The normal-temperature solid dairy product just melts in the mouth after instant eating and can be preserved at a normal temperature.

The invention discloses a Cefovecin suspension injection. The Cefovecin suspension injection comprises, by mass volume, 0.5-2% of Cefovecin, 1-3% of suspending agent, 0.1-0.3% of antioxidant and the balance a solvent for injection. The invention further provides a preparing method of the Cefovecin suspension injection. The Cefovecin suspension injection prepared by using the method is stable and uniform in character, convenient to use and easy to store, and the quality guarantee period is up to 65 days. The preparing method is simple, the process is easy to control, the Cefovecin dissolving effect is good, and the preparing method is suitable for industrial production. The preparing method is suitable for preparation of the Cefovecin suspension injection.

The invention relates to a method for building grape high-efficiency regeneration system by a somatic embryo generation way, in particular to a method for generating grape somatic embryo. The method comprises the following steps of: (1) collecting flower buds 5-7 days before blooming, cleaning and disinfecting, and sucking water for later use; (2) taking out single pistil, inoculating to a culture medium and culturing; (3) selecting light yellow or white, granular and compact embryonic callus, inoculating to a culture medium and culturing; (4) carrying out sub-culture on the somatic embryo formed by inducing in the same culture medium; and (5) carrying out sub-culture on the obtained somatic embryo in the culture medium. By adopting the method provided by the invention, grape pistil is cultured in vitro to build the regeneration system; the obtained regenerated plants are uniform and stable in the characters; and the operation steps are simple and are easy to operate in genetic engineering.

The invention discloses a waterproof and moistureproof covered electrode coating suitable for underwater wet welding. The covered electrode coating comprises, by weight, 65-75 parts of epoxy powder, 15-20 parts of a curing agent, 10-15 parts of a rare earth oxide and 10-15 parts of fluorite powder, wherein the curing agent is a mixture of a T-31 curing agent and diethylenetriamine. According to the covered electrode coating, the problem of moisture absorption of a covered electrode can be fundamentally solved, and meanwhile, an effect of promoting the underwater wet welding process can be achieved.

The invention relates to a method for establishing a regenerated system by using mature embryo of Parthenocissus quinque folia Planch as the material, which comprises the following three stages: (1) stripping mature embryo and culturing induced callus, (2) subculturing callus, (3) developing strains from somatic embryo in the callus. In the subculture, the density of 2,4-dichloro phenoxyacetic acid 2,4-D is lowered step by step. Thus the generation rate of the somatic embryo can reach 59%.

The invention discloses a dried orange peel reference extract, a preparation method and application thereof. The extract is yellow green dry powder and consists of 65% to 84% of a dried orange peel extract and 16% to 35% of a flow aid in percentages by weight; the dried orange peel extract comprises the ingredients of flavonoid glycoside and flavonoid aglycones; and neohesperidin or naringin is not contained in flavonoid glycoside. The dried orange peel reference extract is high in uniformity, stable in character and uniform, and can be used for mass control of dried orange peel medicinal materials and dried orange peel preparations for qualitative and quantitative assay determination of effective compounds.

This cutting insert (5) comprises a cutting edge portion (4). The cutting edge portion (4) comprises: an arc-shaped bottom cutting edge (11) that is convex to the distal end side in the direction of the central axis (C); an arc-shaped outer circumferential cutting edge (9) that is convex to the outside in the radial direction; and an arc-shaped corner-rounded cutting edge (13) that joins the outerend of the bottom cutting edge (11) in the radial direction and the distal end of the outer circumferential cutting edge (9) in the central axis (C) direction and that is convex to the distal outer circumferential side. The bottom cutting edge (11) and the outer circumferential cutting edge (9) are formed to be linearly symmetric to each other across a line of symmetry that is a virtual line (VL)passing through the center point of the arc (O) of the corner-rounded cutting edge (13) and intersecting the central axis (C) at a 45 degrees angle alpha.