10results about How to "Loose texture" patented technology

The invention provides a springback-reducing admixture for sprayed concrete and a preparation method of the springback-reducing admixture, and relates to the technical field of concrete admixtures. The springback-reducing admixture for the sprayed concrete comprises the following raw materials in percentage by mass: 40-70% of a component A and 30-60% of a component B, the component A comprises the following raw materials in percentage by mass: 30%-50% of calcined kaolin, 10%-20% of light calcined magnesia and 40%-60% of semi-hydrated gypsum. And the component B comprises the following raw materials in percentage by mass: 60-90% of cement, 5-10% of modified rubber powder and 5-10% of cellulose. The springback-reducing admixture for sprayed concrete provided by the invention is applied to sprayed concrete and has relatively low springback rate and relatively high strength.

The invention belongs to the technical field of solid waste treatment in the livestock and poultry industry, and relates to a method and device for producing an organic fertilizer from manure compost in a dairy farm, and the method comprises the following steps: S1, carrying out solid-liquid separation on livestock and poultry manure by using solid-liquid separation equipment; s2, preparing auxiliary materials, and stirring and mixing the auxiliary materials and the excrement subjected to solid-liquid separation through a stirring device, wherein the auxiliary materials are saw dust, bran coat and lime powder; and S3, under the action of microorganisms, carrying out high-temperature fermentation to mineralize, humify and harmlessly treat organic matters. According to the method for producing the organic fertilizer from the manure compost in the dairy farm, the lime powder is added into the auxiliary materials, inorganic acid in the manure can be neutralized, the pH value of the compost is increased, growth of microorganisms and decomposition of organic matter are facilitated, meanwhile, the lime can kill germs and worm eggs, and the sanitary quality of the organic fertilizer is improved.

The utility model relates to a horizontal screw centrifuge technical field discloses a kind of powder spraying type drying horizontal screw centrifuges, to solve the defect of overcoming the high moisture content of solid phase material of existing horizontal screw centrifuge easy to stick. The utility model is under the centrifugal field by superstrong instantaneous mixing and penetration: in the centrifugal field of up to hundreds even thousands of times gravity acceleration, dry powder particles spouted from powder spout can be "pressed into" the filter cake being extruded by screw conveyor dehydration with very high relative speed, this forced mixing under high G force, far more than ordinary mixer can compare, it can make dry powder instantaneously, uniformly penetrate into the micro-pore structure of filter cake, realize molecular level contact, greatly improve the reaction efficiency and hygroscopic efficiency of drying agent (such as quicklime, fly ash etc.), make the filter cake discharged solid rate significantly improve, and texture loose, uniform.

The application provides a low-germanium-component silicon germanium wafer alkaline polishing liquid and a preparation method thereof. The low-germanium-component silicon germanium material is Si 1‑X Ge X , wherein x<=0.5. The polishing liquid has a pH value of 9.0-12.0 and comprises, in percentage by mass, 0.5%-3.0% of colloidal silica abrasive, 0.1%-1.5% of corrosion accelerator A, 0.01%-0.2% of selectivity enhancer B, a pH regulator and the rest of deionized water. The corrosion accelerator A is a cyclic secondary amine compound, and the selectivity enhancer B is a polymer containing a sulfonic acid group. The low-germanium-component silicon germanium surface is mildly activated by the cyclic secondary amine, and the interface lubrication and TEOS selective protection are formed by the polymer containing the sulfonic acid group, so that the low-germanium-component silicon germanium wafer is chemically mechanically polished at a high removal rate, a high selectivity ratio and a low defect.

The invention provides a bright and traceless pure liquid type dish washing gel bead composition. The bright and traceless pure liquid type dish washing gel bead composition is prepared from the following components in percentage by mass: 30 to 60 percent of a surfactant, 0.1 to 10 percent of a polymer dispersant, 2 to 5 percent of modified polyoxyethylene ether acrylate, 1 to 20 percent of a chelating agent, 10 to 40 percent of a solvent, 1 to 40 percent of an auxiliary agent and the balance of water, wherein the modified polyoxyethylene ether acrylate is obtained by reacting octylphenol polyoxyethylene ether with an acrylic monomer. The dishwashing gel bead composition does not contain strong alkaline raw materials such as alkaline salt, adopts surfactants such as mild alkyl glycoside, a high-molecular polymer dispersant, a green chelating agent and the like as main decontamination components, and is compounded by adding the modified polyoxyethylene ether acrylate, so that another novel special formula system is developed, and the dishwashing gel bead composition has the advantages that the dishwashing gel bead composition has a good dishwashing effect; the residue of the detergent can be reduced under formula compounding, and meanwhile, the detergent has efficient decontamination and deoiling effects.

The application relates to the technical field of PVC heat stabilizer preparation, in particular to a preparation method of a stearate intercalated hydrotalcite anti-zinc-burn PVC heat stabilizer. The method comprises the following steps: synthesizing a magnesium-aluminum hydrotalcite precursor containing carbonates between layers; intercalating and modifying the precursor in an organic solvent by using stearic acid and purifying the stearic acid by using acetone to obtain stearate intercalated hydrotalcite; respectively preparing stearic acid rare earth, zinc acrylate and calcium stearate; mixing the above components and antioxidants and lubricants in kneading equipment, and controlling temperature and moisture content to obtain a final product. Through the synergistic effect of the stearate intercalated structure and the metal soap component, the zinc burning phenomenon in the PVC processing process is effectively inhibited, and the initial coloring property and long-term thermal stability of the material are improved.

The invention provides an isavuconazole sulfate freeze-drying process which comprises the following steps: (1) pre-freezing: placing a liquid medicine in a partition plate of-13 to-17 DEG C, preserving heat for 30-40 minutes, adjusting the temperature to-40 to-45 DEG C, and preserving heat for 1.5-2.5 hours; (2) sublimation drying: primary sublimation: adjusting the temperature to-33 DEG C to-37 DEG C, and keeping the temperature for 40-80 minutes; secondary sublimation: adjusting the temperature to-18 DEG C to-22 DEG C, and keeping the temperature for 5-7 hours; third sublimation: adjusting the temperature to 0-5 DEG C, and keeping the temperature for 1-1.5 hours; and (3) resolving: adjusting the temperature to 20-30 DEG C, and keeping the temperature for 4-6 hours. According to the freeze-drying process, moisture in the medicine can be fully removed, and the stability of the product is improved. The prepared product is loose, porous and spongy, and the redissolution time of the product is shortened.

The application discloses a preparation method of cordyceps sinensis, and relates to the technical field of medicine preparation. A specific implementation mode of the method comprises the following steps: cooling the cleaned cordyceps sinensis to a first temperature which is lower than a eutectic point, so that the water in the cordyceps sinensis is completely frozen to form ice crystals; performing at least one freeze-thaw cycle, wherein the freeze-thaw cycle comprises the following steps: increasing the temperature to a second temperature which is higher than 0 DEG C, so that the frozen cordyceps sinensis is thawed, and then the temperature is decreased to the first temperature at a second decreasing rate, so that the cordyceps sinensis is re-frozen; placing the cordyceps sinensis in a vacuum environment, and performing at least one pressure change treatment; and performing temperature increasing drying under the vacuum condition, until a predetermined water content is reached. The implementation mode significantly improves the dissolution rate of effective substances when the user takes the cordyceps sinensis, and improves the bioavailability of the cordyceps sinensis; uniform, loose and crisp textures are formed, so that a unique taste of melting in the mouth is brought, and the problem of hard taste and poor palatability of traditional freeze-dried cordyceps sinensis is solved.

The invention discloses a method for increasing apatite phosphorus content in biochar, which comprises the following steps: mixing sludge, biomass, biochar and calcium oxide to prepare a mixed material, biologically drying the mixed material for less than or equal to 12 days, adding magnesium chloride after 25 hours in the biologically drying process, pyrolyzing the obtained biologically dried product to obtain the phosphorite phosphorus content in the biochar. The preparation of the biochar is completed. According to the method disclosed by the invention, under the combined action of calcium oxide and magnesium chloride, a biological drying product with low water content and high apatite phosphorus content can be formed through biological drying treatment; the content of phosphorite phosphorus in the biochar can be remarkably increased under the condition of low pyrolysis energy consumption through simple pyrolysis treatment, the biochar with the high phosphorite phosphorus content is obtained, and the method has the advantages of being simple in process, convenient to operate, low in cost, high in drying efficiency, small in pollution gas emission amount, low in energy consumption, environmentally friendly and the like; and the method has important promotion significance for realizing resource utilization of the sludge-based biochar.

The application belongs to the technical field of fossil plasticizing, and provides a method for repairing ancient biological fossils by using a silicon rubber impregnation method and the obtained ancient biological fossils, the method comprises the following steps: damaged fossils and fossil fragments are bonded by using glue to form the original fossil shape; the fossil is immersed in acetone, and after the acetone completely soaks the fossil, the fossil is taken out; vacuum impregnation is immediately performed in silicon rubber; the fossil after vacuum impregnation is sequentially subjected to standing, glue control and repair to obtain a fossil with the original appearance restored; the fossil with the original appearance restored is solidified to obtain a repaired ancient biological fossil. According to the method, the fossil to be repaired and preserved is completely immersed in the silicon rubber, and after solidification, the gaps between all the fossils are bonded into one body, so that the fossils are firmly combined into one body, the texture of the fossils is no longer loose, and the fossils are not prone to fragmentation, large-area vibration and breakage can be avoided during the preservation process, and the fossils are convenient to carry, transport and preserve for a long time.