96results about How to "Solve easy precipitation" patented technology

A crystallized glass for an optical filter substrate, which has an average linear expansion coefficient alphaL of from 95x10<-7>/° C. to 130x10<-7>/° C. at from -30° C. to 70° C. and which has a crystal or the like of Na4-xKxAl4Si4O16 (1<x<=4) precipitated therein. Further, a crystallized glass for an optical filter substrate, which comprises from 35 to 60% of SiO2, from 10 to 30% of Al2O3, from 1 to 15% of TiO2+ZrO2, from 4 to 20% of Na2O, from 4 to 20% of K20, from 0.1 to 10% of CaO+SrO+Bao, from 0 to 10% of MgO, etc., and which has alphaL of from 95x10<-7>/° C. to 130x10<-7>/° C. and which has a crystal or solid solution precipitated therein.

The invention relates to a common yam rhizome dew beverage, which is prepared from fresh common yam rhizome serving as a main raw material. The beverage consists of the following components in part by weight: 8 to 20 parts of common yam rhizome, 0.001 to 0.005 part of thermo-stable amylase, 5 to 8 parts of sweetener, 0.10 to 0.15 part of vitamin C, 0.10 to 0.38 part of stabilizer, 0.06 to 0.16 part of acidity regulator and 71.3 to 86.7 parts of purified water. A production method comprises the following steps of: protecting color, coarsely grinding, cooking, pulping, raising the temperature for gelatinization, performing enzymolysis, inactivating at a high temperature, blending, homogenizing, degassing and the like. Common yam rhizome dew furthest keeps the specific active ingredients and flavor of the common yam rhizome, makes the common yam rhizome more easily absorbed and utilized by human bodies, and increases the nutritional value of the common yam rhizome; and the beverage has fragrant and mellow mouthfeel, is tasty and refreshing and has the effects of quenching thirst, moistening the lung, invigorating the spleen, protecting the liver, disintoxicating, tonifying middle-jiao and qi, nourishing the heart, soothing the nerves, preventing atherosclerosis, building the bodies, beautifying and delaying senility. The production method ensures that the common yam rhizome dew beverage is not browned, precipitated and demixed.

The invention relates to the technical field of sealants, in particular to a solvent-resistant epoxy modified polyurethane sealant and a preparation method thereof. The sealant is prepared from, by weight, 20-40% of an epoxy modified polyurethane prepolymer A, 10-30% of a low-viscosity polyurethane prepolymer B, 29.4-59.4% of an inorganic filler, 0.01-30% of a thixotropic agent, 0.01-2% of a curing promoter, 0.01-2% of a water removal stabilizer and 0.01-2% of an adhesion promoter. The epoxy modified polyurethane sealant has excellent chemical corrosion resistance and mechanical properties, through a chemical corrosion test in the industry standard of a membrane-type gas meter, after liquid immersion, the mechanical properties, mass change rate and volume change rate of the sealant can allbe kept at a very small change rate, the adhesive sealing effect is good, and the sealant can keep the good adhesive sealing function during long-term use in the gas meter.

The invention relates to a preparation method of dried beancurd stick and dried beancurd stick prepared thereby. The preparation method comprises the following steps: 1) grinding peeled soybean into soybean milk; 2) carrying out homogenization treatment on the soybean milk and preparing the homogenized soybean milk; 3) adding a mildew preventive and a film-forming agent in the homogenized soybean and carrying out heating and milk boiling treatment; and 4) heating, uncovering bamboo and forming. The method adopts a water grinder for grinding and high-pressure homogenization, and improves the dissolution rate of protein, thus improving the yield of the dried beancurd stick; film-forming agent Curdlan is added in the homogenized soybean milk so as to accelerate the film forming speed; and mildew preventive calcium propionate is added to effectively restrain the growth of the mould, and prolong the shelf life of the dried beancurd stick. The invention has the advantages of low cost, simple and easy technique and larger application and promotion values.

The invention relates to the field of devices for municipal engineering, in particular to a pesticide-spraying and water-spraying vehicle used for the municipal engineering. The pesticide-spraying andwater-spraying vehicle comprises a vehicle body, a tank body, a water pump and a sprayer, wherein the tank body is detachably installed on the vehicle body, the top of the tank body is provided witha rotary disc, the lower surface of the rotary disc is fixedly connected with a hollow rotary shaft, and the water pump is installed on the bottom of the tank body. The upper surface of the rotary disc is fixedly connected with a fixing rack, the fixing rack is rotationally connected with the sprayer, and a telescoping mechanism is hinged to the upper surface of the rotary disc. The extending endof the telescoping mechanism is hinged to the middle of the sprayer, and the upper surface of the tank body is provided with a breaking bin. Solid pesticides are broken by using smashing blades and smashing teeth, water in the tank body is stirred by using stirring blades, and the pesticides and the water are sufficiently mixed. During the spraying operation, the sprayer can rotate a certain angle, and the spraying angle is adjusted in the vertical direction; the rotary disc is driven by a rotary motor to rotate, the spraying angle is adjusted in the horizontal direction, and the spraying range is effectively expanded.

The invention discloses a method for processing a compound sour goat milk drink, belongs to the food processing field, and solves problems that the variety is single and nutrients are limited of prior goat milk drinks. Goat milk, yam and red dates serve as raw materials for the drink, wherein the goat milk is fermented through lactic acid bacteria, the yam and the red dates are processed into yam juice and red date juice through unique processes, and the materials are mixed through a scientific formula. The compound sour goat milk drink prepared through the method is abundant in nutrients, good in taste and unique in flavor; and has functions of invigorating spleen and replenishing qi, embellishing lungs and engendering liquid, beautifying and maintaining appearance, prolonging life and improving the organism immunity.

The invention provides a pure oil lipstick product with a repairing function and a preparation method thereof. The pure oil lipstick product with the repairing function contains active ingredients including eramide, sodium hyaluronate, phytosterol oleate and stearyl glycyrrhetinate; specifically, the pure oil lipstick product is prepared from, by weight, 30-35% of solid oil and fat, 30-40% of natural liquid oil and fat, 1.66-9.5% of other active ingredients, 0.1-5% of an antioxidant and synthetic liquid oil and fat. The pure oil lipstick product is mild, has high safety and good stability, caneffectively nurse the lips, prevent the lips from drying and cracking and promote rapid healing of the dry and cracked lip part and has a moisturizing and nourishing effect. The invention further provides the preparation method of the pure oil lipstick product. The method creatively solves the problem that ceramide is easily precipitated in skin care product systems, is easy and convenient to operate and easy in popularization and production and has a good application prospect.

The invention discloses a method for degrading organic dye in water by activating a persulfate by using molybdenum disulfide synergized bivalent iron. The method comprises the following steps: addingmolybdenum disulfide into ultrapure water, carrying out ultrasonic treatment at a temperature of 15-25 DEG C, then adding organic dye wastewater, uniformly carrying out mixing, then adding ferrous iron, adjusting the pH value to 2-4, then adding a persulfate to obtain a reaction system, and carrying out stirring at normal temperature for degradation. The use amount of molybdenum disulfide in the method is low, the molybdenum disulfide can be repeatedly used, and no secondary pollution is caused. Compared with a method of activating a persulfate by single bivalent iron, the method has the advantages that the use amount of bivalent iron is lower, the reaction time is greatly shortened, and a large amount of manpower, material resources and financial resources are saved. The application rangeof a pH value of the system is wide, and the activation effect is the best under the condition that the pH value is equal to 3. The method disclosed by the invention has a very simple process flow and does not need a complex device, the reaction conditions are mild, and a reaction can be carried out quickly at normal temperature and normal pressure. Operability is high, and the method has a widepractical application prospect.

The invention relates to a method for extracting aloe arborescens miller whole-leaf juice, in particular to a method for extracting aloe arborescens miller whole-leaf juice based on a complex enzyme treatment technology. The technical scheme is as follows: a method for extracting aloe arborescens miller whole-leaf juice, which takes aloe arborescens miller as raw material, adopts the complex enzyme treatment technology, and comprises the steps of: pretreating aloe arborescens miller leaf, adding enzyme for treatment and obtaining a finished product of aloe arborescens miller whole-leaf juice.The added enzyme is complex enzyme which is prepared according to the following proportions: 0.08% of cellulase, 0.09% of refined pectinase, 0.06% of protease and 0.05% of a-amylase which are added toaloe juice, the pH value is adjusted to be 4.2-5.0, and enzymolysis is conducted at the enzymolysis temperature of 45-50 DEG C. By utilizing the method, the technical problems that the aloe arborescens miller juice is in the form of a multi-factor unstable system, and has easy precipitation and browning due to abundant protein, pectin, polysaccharide and polyphenols in the aloe arborescens millerjuice can be effectively solved; and the extraction ratio is above 65%, the barbaloin is 5.5 mg/100 ml, the membrane filtration flux/kg.(h.m2)<-1> is 3490, the light transmittance/% is 90.2, and thesensory evaluation is 93.

The invention relates to the field of veterinary preparations, and particularly provides compound sulfanilamide soluble powder and a preparation method thereof. The compound sulfanilamide soluble powder is prepared from the following components in parts by weight: 2.5-65.0 parts of a sulfanilamide salt, 0.625-16.250 parts of an antisepsis synergist and 0-50 parts of a stabilizer. By the compound sulfanilamide soluble powder, the problem that the sulfanilamide salt and the antisepsis synergist are easily separated and participated and not dissolved completely in water is solved. An experiment result proves that the stability of active ingredients is good after the compound sulfanilamide soluble powder is dissolved into drinking water. Therefore, the solubility and the stability of the preparation in water are improved; clinical application is also facilitated; and the compound sulfanilamide soluble powder can be applicable to large-scale production.

The invention discloses a preparation method of a flame-retardant borate-intercalated hydrotalcite-polypropylene compound, and belongs to the technical field of flame retardants. The preparation method comprises the following steps: (1) pretreating borate-intercalated hydrotalcite in an organic solvent I containing electrophilic groups; (2) mixing the processed hydrotalcite in the step (1) with polypropylene according to an addition amount which is 1-30 wt% of the total weight, and putting the mixture in an organic solvent II for backflow reaction; (3) after the backflow reaction, adding the solution to an organic extraction agent to be extracted, and finally preparing the flame-retardant borate-intercalated hydrotalcite-polypropylene compound. The preparation method disclosed by the invention solves the technical problems that the hydrotalcite flame retardant is poor in compatibility, easy to separate out and unstable due to the high polarity.

The invention relates to fig wine and a preparation method thereof. The preparation method comprises the following steps: adding 0.2-0.4wt% of edible citric acid, water and food-grade pectinase into afig stoste, and performing an enzymolysis reaction, wherein the food-grade pectinase is added according to an amount of 0.1-0.3 million units of the food-grade pectinase per kilogram of the fig stoste; adding sugar into the enzymolyzed fig stoste to adjust the sugar content, and inoculating with a fermenting agent for fermentation. By the preparation method, pectin in fig can be effectively decomposed to increase the juice yield and increase the yield of the fruit wine, so that the preparation method has a market application value; the obtained fig wine is clear, translucent and light yellow,has a fresh fig fragrance and a fermented wine fragrance, a rich and mellow wine taste, harmonious sweetness and sourness and sufficient aftertaste, and has typical characteristics of the fig wine; in addition, the fig wine also has the health-care efficacies of relieving sore throat, removing swelling, promoting appetite, relaxing bowels and the like.

The invention relates to a low-density gel particle modifying and flooding agent and a preparation method thereof. The low-density gel particle modifying and flooding agent is prepared from the following raw materials in percentage by weight through polymerization: 15%-20% of acrylamide, 3%-5% of 2-acrylamido-2-methyl propane sulfonic acid sodium salt, 0.2%-0.5% of N,N-methylene bisacrylamide, 8%-17% of an inorganic light filler, 2%-6% of a silane coupling agent, 0.2%-1.0% of an initiator and the balance being water. The density of the gel particle modifying and flooding agent is smaller thanthat of injected water and is adjustable through the inorganic light filler, the inorganic light filler is connected with a main chain of the gel particle modifying and flooding agent through a chemical bond through the silane coupling agent, and the problems that after gel particles absorb water and expand, the filler is likely to be separated out, and the strength is reduced are solved.

A refreshing houttuynia beverage is prepared from houttuynia through extracting, cooling, primary filtering, enzymolyzing, deactivating enzyme, fine filtering, mixing with other components and sterilizing. It features its health-care function.

The invention relates to the technical field of wastewater treatment, in particular to an extracting agent and a method for treating thiamethoxam production wastewater by using the extracting agent. The extracting agent is prepared from chloroform and o-sec-butylphenol, wherein the mass ratio of the chloroform to the o-sec-butylphenol is (5-7):(1-3). The extracting agent and the wastewater treatment method have the advantages that a tar polymer can be completely separated from the wastewater, and extract liquid is distilled and separated, so that high-purity DMF is obtained, the extracting agent separated by distillation can be recycled, and the situation that inorganic salt clogs equipment during wastewater treatment is also avoided, so that the wastewater treatment efficiency is improved, the operation is simple, the cost is low, the environment is protected, the efficiency is high, and the extracting agent can be popularized and used.

The invention provides an aqueous ink composition comprising (A) a colorant, (B) a polymer including a hydrophobic structural unit represented by Formula (1) below, (C) a polymerization initiator, (D) a polymerizable compound including an ethylenically unsaturated bond, and (E) water. In the Formula (1), R¹ represents a hydrogen atom or a methyl group; R² represents a hydrogen atom, an alkyl group, an alkyloxy group, an acyl group, or a halogen atom; L¹ represents a single bond, or a divalent linkage group including at least one selected from the linkage group consisting of an alkylene group having from 1 to 12 carbon atoms, an alkenylene group having from 2 to 12 carbon atoms, an alkyl ether group having from 2 to 6 carbon atoms, —CONR³—, and —COO—; R³ represents a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms; Ar represents a monovalent group derived from a condensed-ring type aromatic compound having 8 or more carbon atoms, a monovalent group derived from a heterocyclic compound in which aromatic rings are condensed, or a monovalent group derived from a compound in which two or more benzene rings are connected.

The invention relates to a hybrid cured light-induced blackened acrylate adhesive which means that a transparent adheisve becomes black under the ultraviolet irradiation by hybrid curing of free radical chain polymerization and positive ion stepwise polymerization. The hybrid cured light-induced blackened acrylate adhesive comprises in parts by mass: 100 parts of acrylic functional resin, 1 to 10parts of a free radical photoinitiator and 2 to 15 parts of a positive ion photoinitiator, wherein the acrylic functional resin means that one end of a molecular chain contains acryloyloxy and the other end of the molecular chain contains a non-hydrogenated pyrrole ring; and a synthesis method comprises the steps as follows: sequentially adding carboxyl pyrrole, epoxy acrylic monoester, a polymerization inhibitor and a catalyst into a reaction kettle and performing a heating reaction in the dry nitrogen atmosphere to reach a designed acid value so as to obtain the hybrid cured light-induced blackened acrylate adhesive. The hybrid cured light-induced blackened acrylate adhesive prepared by the invention is simple in preparation process, high in body strength and good in surface dryness after curing, can give consideration to both the curing thickness and the shading rate, and is more reliable in adhesive property and wider in application range.

The invention discloses a high anti-corrosion coating suitable for high-pressure airless spraying. The coating comprises a component A and a component B in the weight ratio of 5: 1, and the component A comprises the following components in parts by weight: 18-22 parts of first epoxy resin, 18-24 parts of second epoxy resin, 10-15 parts of magnet powder, 2-10 parts of iron oxide red, 0.2-0.5 part of polyvinyl butyral resin, 0.1-0.2 part of a dispersant, 0.5-0.7 part of modified bentonite, 0.2-0.4 part of nano-silicon dioxide, 0.2-0.3 part of an assistant and 12-15 parts of a diluent; and the component B comprises the following components in parts by weight: 56-62 parts of a first amine curing agent, 12-18 parts of a second amine curing agent and 20-30 parts of ethanol. The high anti-corrosion coating suitable for high-pressure airless spraying adopts two different types of epoxy resin and curing agents to form a film by crosslinking and curing. The film-forming mechanism is that active H<+> is contained in the amine curing agents and can react with epoxy groups in epoxy resin at normal temperature and form a reticular structure by crosslinking; and the reticular structure is dense and hard, good in anti-corrosion performance, strong in adhesion and outstanding in chemical resistance.