91results about How to "Easy to streamline" patented technology

A method for preparing a submicron polyimide self-supporting film by adopting a spin-coating method belongs to the technical field of polyimide self-supporting films. The method comprises the following steps: firstly, preparing a polyamic acid solution, diluting and filtering; preparing a submicron polyamide acid film by adopting the spin-coating method and preliminary drying; secondly, coating the polyamic acid solution with the high solid content on the edge of the submicron polyamide acid film and homogenizing; carrying out thermal treatment and finishing an imidization process; placing a polyimide film with a substrate in a hot mixed solution of deionized water and alcohol; after a period of time, slightly tilting an edge thick film area by using a surgical knife along the edge of the substrate; clamping the thick film area by using tweezers and gradually removing the film from the substrate from the outside to the inside; and drying in air to obtain the polyimide self-supporting film. The film prepared by the method disclosed by the invention has the characteristics of uniformity in thickness distribution, large area, low surface roughness and the like. The method is simple in preparation process and is high in finished product rate.

The invention discloses an enteric microorganism information analysis method and system. The method comprises the steps of splitting and filtering offline sample data after sequencing to obtain filtered sample sequences; performing clustering comparison and species annotation classification on the filtered sample sequences; performing spectral analysis on a species annotation classification result; and performing automatic interpretation on a spectral analysis result according to flora functions and a disease correlation database, and automatically submitting an automatic interpretation result and the spectral analysis result to a visual platform for performing visual display and auditing. The system comprises a splitting and filtering module, a clustering comparison and classification module, a spectral analysis module, and an automatic interpretation and visual display module. The method and the system have the advantages of convenient process and batch operations, small artificial interpretation workload, intuitiveness and convenience, and can be widely applied to the field of biological information analysis.

A polyimide fiber with kidney-shaped section and a preparation method thereof belong to the technical field of polyimide fibers. The preparation method includes: utilizing polyamide acid (PAA) solution synthesized by aromatic dianhydride and aromatic diamine to perform the wet spinning process by the aid of circular spinneret holes, adjusting spinning conditions including spinneret speed, composition, proportion and temperature of coagulating bath, the length of hydrazine and the like to obtain a PAA as-formed fiber with kidney-shaped section, then washing and drying the PAA as-formed fiber, cyclizing and drafting the same at high temperature stage by stage, and winding and the like, finally obtaining the polyimide (PI) fiber with the kidney-shaped section. The preparation method of the polyimide fiber with the kidney-shaped section has the advantages of simplicity in spinneret hole design and processing, easiness in control of spinning process, high preparation efficiency, low cost for raw materials, low energy consumption and the like and can be used for large-scale industrialized production.

The invention provides a hydrocarbon generation and expulsion characterization and evaluation method of source rock pyrolysis/shale oil in-situ modification. The hydrocarbon generation and expulsion characterization and evaluation method comprises the following steps of collecting source rock/shale oil reservoir rock samples; drilling multiple cylinder samples from one sample; performing polishingtreatment to obtain samples to be detected; performing CT imaging and scanning electron microscope imaging on the top surfaces of all the samples to be detected; performing pyrolysis on all the samples to be detected; performing CT imaging and scanning electron microscope imaging on all the samples to be detected after pyrolysis again, and comparing two change information; and according to acquired change information in two-dimensional distribution of residual oil, selecting samples, the surfaces of which do not have obvious charging phenomenon, to be detected after pyrolysis in scanning electron microscope imaging for further splitting as YZ sections, using scanning electron microscope imaging to acquire two-dimensional distribution information of residual oil of the YZ sections, correspondingly establishing three-dimensional distribution ellipsoids of the residual oil, and finally, combining pyrolysis parameters and CT imaging information of the samples to be detected to acquire hydrocarbon generation and expulsion characterizations. The hydrocarbon generation and expulsion characterization and evaluation method provided by the invention is simple and effective.

The invention discloses a method for reclaiming aluminum powder from a composite propellant, and belongs to the field of manufacturing of composite solid propellants. The reclaiming method comprises the following steps of: removing water in an organic solvent soaking or heating mode, removing organic substances on the surface of the aluminum powder by using a nitric acid solution, and separating the matrix from the aluminum powder by using a sodium alcoholate solution. According to the step-by-step solvent method, the adhesive matrix-polyurethane of a composite solid propellant in which the ammonium perchlorate is reclaimed is degraded, and the matrix and the aluminum powder are separated, so that the aluminum powder is successfully separated and reclaimed and the recovery rate is high and can reach over 99.5 percent; and the method is easy to implement, high in recovery rate and easy in flow process, and has good industrialized prospect.

The invention discloses a preparation method of a nickel oxide-cobaltosic oxide (NiO/Co3O4) composite electrode material based on foamed nickel growth. The process comprises the following steps of: firstly, preparing a precursor of nickel oxide through a hydrothermal method by taking nickel nitrate and urea as raw materials, ammonium fluoride as a morphology control agent and foamed nickel as a substrate, carrying out low-temperature annealing on the precursor in air to obtain pure NiO, and then taking the nickel oxide as a substrate material, adding a cobalt acetate solution and ammonia water, and carrying out a second-step hydrothermal reaction to obtain the NiO/Co3O4 two-phase composite electrocatalyst material growing on a foamed nickel substrate. A plurality of interfaces and defectsbeneficial to catalytic reaction appear in the material, and compared with a single-phase catalyst, the catalytic activity is greatly improved. And meanwhile, due to the use of the foamed nickel substrate, the addition of a conductive agent and an adhesive in the electrocatalysis process can be avoided, the implementation process of the catalytic reaction is simplified, and the electrode impedanceis also reduced.

The invention provides a method for recovering ferrocene derivatives and ammonium perchlorate from a composite solid propellant, which belongs to the field of fabrication of composite solid propellants. The method comprises an immersion step of immersing the composite solid propellant in dichloromethane, 1,2-dichloroethanes or N,N-dimethylacetamide, a distillation step of distilling an organic solvent so as to obtain a crude product of ferrocene derivatives, a purification step of purifying the crude product of ferrocene derivatives through recrystallization or sublimation, an extraction step of using a saturated solution of ammonium perchlorate as an extractant and a recrystallization step for obtaining ammonium perchlorate. According to the invention, the method of organic solvents is utilized in the invention for separation and recovery the active components of ammonium perchlorate and ferrocene derivatives, and a high recovery rate is achieved; implementation process of the invention is simple, and the method is easy to form a flow and has a good industrial prospect.

A miniature compressed tea processing method relates to the technical field of tea processing, and the processing steps are as follows: adjusting of water content of primary tea, compressing and forming, pre-packaging, sterilizing, eurotium cristatum culture and flavor increasing and drying. Compared with a traditional compressed tea process, the miniature compressed tea processing method is characterized in that: before the compressing of the compressed tea, steaming is not needed, after the forming, a food grade material is used for wrapping for high temperature and high pressure sterilizing, on the one hand contamination of other microorganisms can be effectively inhibited, on the other hand independent microenvironment for mass propagation of eurotium cristatum is provided for each piece of the compressed tea, and the stability of the mass propagation of the eurotium cristatum is improved.

The invention relates to a graphene film preparation method, and belongs to the technical field of graphene films. The method comprises: uniformly spreading graphene or graphite sheet powder on a paper base, plastic-based film or steel plate being in a stationary or moving forward at a uniform speed, carrying out multi-roller rolling, pressing the powder into a film through mechanical force so as to prepare a graphene or graphite sheet film, fixing the pressed film into a graphite furnace in a coil or sheet manner, carrying out a high temperature treatment under the protection of an inert gas, and naturally cooling after completing the high temperature treatment so as to obtain the completely-graphitized graphene film. According to the present invention, on the basis of no loss of the film weight and no change of the film morphology and the film thickness, the graphene film with the complete structure is obtained through the high temperature treatment so as to effectively reduce the sheet resistance and substantially improve the thermal conductivity coefficient; and the method has characteristics of simple implementation process, easy process, no pollution, and good industrial prospects.

The invention discloses cow feed and a production method thereof. The cow feed is composed of raw materials, by weight, of 10-20 parts of radix puerariae vine, 20-35 parts of bagasse pith, 10-15 parts of corn stalks, 10-15 parts of white mulberry stems, 15-20 parts of papaya leaves, 3-8 parts of molasses and 0.5-1 parts of trace elements. The production method includes the steps of drying all components, pulverizing all components to 60-80 meshes, adding 3-5% of lactic acid bacteria to bagasse pith, corn stalks, white mulberry stems and papaya leaves for fermentation, pulverizing or respectively granulating all components, and uniformly mixing to obtain the cow feed. The cow feed is safe, good in palatability, nutritionally balanced and reasonable in component matching, facilitates meeting of needs of cows in various stages of growth and development and milk production of lactating cows, and has good economic and social benefits.

The invention discloses a preparation method of large-particle-size high-viscosity methyl silicon oil emulsion. The high-viscosity methyl silicon oil emulsion is prepared by adopting advanced efficient-shear emulsion equipment. The large-particle-size methyl silicon oil emulsion with the particle size D50 of more than 20mum is prepared by selecting high-viscosity methyl silicon oil as well as a surfactant and water that are added for adjustment. The large-particle-size high-viscosity methyl silicon oil emulsion prepared by the invention is simple and efficient in preparation process and easy in process operation, and has a prominent application effect in personal care products; especially, the large-particle-size high-viscosity methyl silicon oil emulsion can be compounded with small-particle-size silicon oil emulsion in hair care products, so that hair has excellent dry-wet combing performance and smooth and soft handfeel.

The invention discloses a harmless treatment method for multi-metal coexisting chromium-containing waste. The harmless treatment method comprises the following steps: (1) preparing the multi-metal coexisting chromium-containing waste raw material; (2) pulping the prepared material to prepare mixed pulp, and then adding concentrated sulfuric acid into the mixed pulp; (3) adjusting the pH (potential of Hydrogen) to be 3.5-3.8 by using calcium carbonate to produce iron-chromium-alum precipitate, filtering, wherein the content of Fe in the filtrate is 0.05-0.1 g/L, and the content of the Cr in the filtrate is 0.1-0.5 g/L, and finally recovering other metals by using a conventional means; (4) washing the iron-chromium-alum precipitate under the condition of pH of 6-9 to obtain stable iron, chromium and alum, and detecting leaching toxicity to make sure that the leaching toxicity of total chromium is less than 5 mg/L, the leaching toxicity of Cu is less than 10 mg/L, the leaching toxicity of Zn is less than 10 mg/L, and the leaching toxicity of Ni is less than 5mg/L so as to reach the national harmless standard.

The invention discloses a low-fat biscuit for skin beautifying and a production method thereof, The low-fat biscuit for skin beautifying is prepared from, by weight, 50-80 parts of soybean powder, 50-80 parts of red bean powder, 50-80 parts of black bean powder, 50-80 parts of mung bean powder, 50-100 parts of olive oil, 50-60 parts of fresh milk, 30-40 parts of honey, 50-100 parts of purple rice powder, 100-200 parts of flour, 50-80 parts of water and 50-70 parts of white sugar. The production method includes the following steps: mixing the soybean powder, the red bean powder, the black bean powder, the mung bean powder and the flour evenly; adding the fresh milk, the water, the white sugar and the like gradually; mixing and stirring; kneading the mixture into a dough; baking the dough to obtain the biscuit. The biscuit has the advantages of low fat and good palatability, and has obvious effects of tonifying qi and replenishing blood, tonifying spleen and warming stomach and beautifying skin.

The invention discloses cookies with the function of enhancing eyesight and a production method thereof. The cookies are prepared from, by weight, 10-20 parts of carrots, 10-20 parts of fructus lycii, 10-20 parts of pumpkins, 10-20 parts of blueberries, 30-40 parts of olive oil, 30-50 parts of milk, 10-15 parts of lemon juice, 5-10 parts of eggs, 50-100 parts of flour, 30-60 parts of water and 20-30 parts of white sugar. The production method includes the following steps that the eggs, milk, water, white sugar and flour are mixed and stirred, the mixture is kneaded into dough, the carrots are added, and the cookies are produced through baking. The cookies have the advantages of being low in fat and good in palatability, and have the obvious function of enhancing eyesight.

The invention discloses a shampoo soap and a production method thereof. The shampoo soap is prepared from the following raw materials in parts by weight: 10-15 parts of mulberry leaves, 10-15 parts ofbroadleaf holly leaf, 6-8 parts of arborvitae leaves, 5-8 parts of folium artemisiae argyi, 6-8 parts of fresh milk, 5-8 parts of horse oil, 1.0-2.0 parts of sea salt, 7-9 parts of honey, 1.3-1.7 parts of beeswax, 1.5-2.5 parts of glycerin, 45-60 parts of soap particles, 1-3 parts of polyethylene glycol 2000, 13-17 parts of polyethylene glycol 400, and 40-50 parts of deionized water. The production method comprises the following steps: heating the mulberry leaves, the folium artemisiae argyi, the broadleaf holly leaves, the arborvitae leaves and the deionized water, filtering, mixing with thefresh milk and the like, stirring, heating to melt polyethylene glycol 2000 and polyethylene glycol 400, adding the honey, propolis, and the like, stirring evenly, pouring into a mold, and cooling for molding. The soap has the characteristics of long-lasting fragrance, high applicability, capabilities of obviously whitening, resisting wrinkle and moisturizing skin, and can be used for bathing andshampooing.

The invention discloses a production method of fried puffed flavored fish skin. The production method comprises the following steps: S1, treating raw materials; S2, performing segmentation; S3, performing pickling; putting the cut fish skin into a pickling barrel, and pickling for 20-40 minutes; S4, frying for the first time; adjusting the oil temperature of the frying and cooling integrated equipment to 125-130 DEG C, performing low-temperature frying, and performing frying for 8 min; S5, performing cooling; turning on a cold air device for cooling to the normal temperature of 20-25 DEG C; S6, performing deep-frying puffing for the second time; adjusting the oil temperature of the frying and cooling integrated equipment to 170 DEG C, and carrying out secondary frying puffing by utilizingmoisture contained in the primary frying; S7, filtering oil; S8, performing cooling; S9, performing seasoning; S10, performing drying; and S11, performing modified atmosphere packaging. The fresh fishskin or frozen fish skin is adopted as a raw material, the flavor fish skin product is prepared through the procedures of cleaning, cutting, pickling and the like, a secondary frying method and a fusion puffing technology are employed, and the obtained flavor fish skin has special taste and high quality and is long in shelf life and easy to store.

The invention relates to a half band filter method which is used in interpolating filter of digital to analog, it belongs to technology field of signal process. This half band filter method adopts mode of coefficient commix base decomposing, and combines concept of multi phase filter, by delaying consignation, adding from beginning to end, sampling and maintaining, weighting and adding, modulating and accelerating, taking out and zooming plus to half band filter. The advantages of the invention are following: the half band filter adopts method of coefficient commix base decomposing, and combines concept of multi phase filter, long shift operation can not be generated, data converting precision can be improved greatly, and complexity degree of program can not be added; using the half band filter of the invention, the design of flow and modularization are easy, and the hardware, territory distribution are more normal, it provides base of research and practice for automatization design and synthesis of filter system.