36621results about How to "Suitable for industrial production" patented technology

The invention discloses a transition metal sulfide / graphene composite material which is composed of a nano transition metal sulfide and graphene, wherein the transition metal sulfide is Ni2S3, NiS, FeS, FeS2, CoS, CoS2, CuS2, CuS, MnS or MnS2. Under the dispersion and loading actions of the graphene, the transition metal sulfide can be uniformly distributed and have small particle size, the stability and loop stability of the transition metal sulfide in the charging and discharging process can be effectively enhanced, and the composite material can be used as a lithium ion battery negative pole material. The invention also discloses a one-step low-temperature preparation method of the composite material, which has the advantages of simple technique, low cost, short cycle, low energy consumption and the like and is suitable for large-scale industrial production.

The invention provides rebaudioside A with the purity of more than 99 percent. The invention also provides an extraction method of the rebaudioside A. The rebaudioside A with high purity provided by the invention can be purified to rebaudioside A with the purity of more than 99 percent by the process. The yield of rebaudioside A is higher than 85 percent. Rebauidoside A from the invention has no bad aftertaste on the mouthfeel, and can be used as the sweetener. The invention has the advantages of large production amount, low cost and being suitable for the industrial production.

The invention provides an anode material for a nickel-base lithium ion battery and a preparation method of the anode material. The anode material comprises an inner core, a doping layer and a cladding layer, wherein the chemical formula of the inner core is LiaNixCoyMzO2; the doping layer is another inner core containing M'; at least M' and oxygen elements are contained in the cladding layer; the anode material is of a core-shell structure, and comprises the inner core, the doping layer and the cladding layer from inside to outside. The anode material for the nickel-base lithium ion battery provided by the invention is little in lithium-nickel mixing, and the cycling stability of the material is obviously improved.

A carbon-coated RE-doped iron lithium phosphate nano-particle used for positive electrode of battery is prepared from FeC2H4, H2O, Li2CO3, NH4H2PO4, Y2O3, CeO2 and epoxy resin through proportional mixing, ball grinding, baking, sieving, calcining in N2 atmosphere at 350 deg.C and 600-750 deg.C respectively, and keeping the temp for a certain time.

The present invention discloses a fruit and vegetable soybean milk drink which is prepared from the following raw materials in parts by weight: fruit juice 10-15 parts, vegetable juice 5-10 parts, Chinese red date soybean milk 3-5 parts, white granulated sugar 3-5 parts, high glucose syrup 2-3 parts, xylo-oligosaccharide 1-2 parts, malic acid 2-5 parts, citric acid 0.1-0.2 part, stabilizer 0.1-0.15 part and pure water 77.15-87.3 parts. The preparation method of the fruit and vegetable soybean milk drink comprises the following steps: (1) preparing the fruit juice; (2) preparing the vegetable juice; (3) preparing the Chinese red date soybean milk; (4) blending; (5) homogenizing and degassing; and (6) sterilizing and bottling. The prepared fruit and vegetable soybean milk drink increases the taste, improves the mouthfeel, maintains the nutritional values and increases the nutrients of the soybean milk, not only satisfies the people's pursuit for taste preferences, but also maintains and adds more nutrients, and has higher nutritional values.

The invention relates to a preparation method of a hard carbon cathode material. The preparation method comprises the step of preparing the hard carbon cathode material by using thermosetting resin or pyrolysis products of a mixture of thermosetting resin and thermoplastic resin as a hard carbon matrix and adopting a carbon material as a coating. In the preparation process of the hard carbon cathode material, a curing agent and a doping matter can be added. The hard carbon cathode material prepared by adopting the preparation method has the characteristics of high capacity, high first-time coulombic efficiency, excellent rate performance, low cost and the like, and is suitable for industrialized production.

The invention discloses a passive wireless temperature and humidity integrated sensor. A cantilever beam capacitive temperature sensor and an interdigital capacitive humidity sensor are adopted, and the passive wireless temperature and humidity integrated sensor comprises a semiconductor substrate, a lower dielectric layer, a lower metal layer, an intermediate dielectric layer, an intermediate metal layer, an upper dielectric layer, and an upper metal interconnecting line and humidity-sensitive material positioned on the upper surface of the upper dielectric layer. The cantilever beam capacitive temperature sensor, an inductance loop and interdigital capacitive humidity sensor and an inductance loop work in a frequency division mode, the temperature and humidity are wirelessly measured, and the passive wireless temperature and humidity integrated sensor can be applied to measuring and acquiring two parameters, namely the temperature and humidity, in a closed environment or severe conditions. The sensor is manufactured by a complementary metal oxide semiconductor (CMOS) micro-electromechanical system (MEMS) process, and has high performance and low cost.

The invention provides a preparation method of a polymer / graphene nano composite material, comprising the following steps: (a) sufficiently mixing a first mass part of polymer and graphene in organic solvent, and removing the organic solvent to obtain polymer / graphene master batches, wherein the graphene accounts for 1-50% of the total mass of the first mass part of polymer and the grapheme; and (b) melting and blending polymer / graphene master batches and a second mass part of polymer to obtain a polymer / graphene nano composite material. In the invention, firstly, the first mass part of polymer and the graphene are sufficiently mixed in the organic solvent, and the graphene can keep a delamination state in a solvent environment, therefore, the graphene can keep in a single-lamella or less-lamina state and is uniformly dispersed without agglomeration in the first mass part of polymer; and then the polymer / graphene master batches and the second mass part of polymer are melted and blended to obtain the polymer / graphene nano composite material.

The invention discloses a viscose fiber with a plant source anti-bacterial function and aromatic smell. The viscose fiber is composed of a viscose spinning solution, an anti-bacterial agent and an aromatic agent, wherein the anti-bacterial agent is mixed powder of a mint extract and a isatis root extract, wherein the weight percentage of the mint extract accounts for 40%-80%; and the weight percentage of the isatis root extract accounts for 60%-20%; the aromatic agent is mint oil coated by microcapsules; the anti-bacterial agent accounts for 1%-8% of the mass of methyl cellulose in the viscose spinning solution; the mint oil accounts for 0.2%-1% of the mass of methyl cellulose in the viscose spinning solution; and the viscose fiber is prepared by adopting a wet spinning method by using the viscose spinning solution, the anti-bacterial agent and the aromatic agent. The plant source extracts and the plant source essential oil are used as the anti-bacterial agent and the aromatic agent; and the anti-bacterial agent and the aromatic agent are uniformly distributed in the fiber, so that the anti-bacterial function and the aromatic smell of the fiber are durable. Since the plant source extracts and the aromatic agent are natural substances extracted from the plants, so that the viscose fiber has no side effect to human body.

The invention discloses a comprehensive extraction method for extracting tea seed oil, tea saponin and tea seed polysaccharide from tea seeds or camellia seeds, belonging to the process fields of grain and oil processing and byproduct extraction. The method comprises the following steps of: with shelled tea seeds as a raw material, firstly, cooking to produce oil; then, adding an exogenous enzyme to obtain a boiled oil layer of a first level an emulsified oil layer, a water layer and a slag layer through zymolysis, blanching and still standing; demulsifying the emulsified oil layer to take boiled oil of a second level; mixing the oil layers of the two levels; centrifugalizing to obtain the tea seed oil; depositing the water layer in alcohol to separate the tea saponin and the tea seed polysaccharide; leaching the slag layer with water or monohydric alcohol to further separate the tea saponin and the tea seed polysaccharide; and purifying a clear solution which is leached with the water or the alcohol with a macroporous absorption resin chromatography column, eluting a resin adsorbate with a base and then an ethanol and collecting an ethanol eluant to obtain high-purity tea saponin. The tea seed oil, the tea saponin and the tea seed polysaccharide are synchronously prepared, thus the invention realizes that a tea seed or camellia seed resource is comprehensively extracted and utilized and has the advantages of simple process, less needed equipment and low cost.

The invention relates to the field of chemical coating, in particular to epoxy powder coating applied to material conveying steel belts in oilfield oil pumping pipelines or coal transportation in the oil industry. In a formula, the coating comprises the following components in percentage by weight: 32-56% of epoxy resin, 8-14% of curing agent, 30-50% of pigments and fillers, 2-10% of resin modifier and 2-6% of assistant, wherein the epoxy resin in the formula is bisphenol A type epoxy resin, a mixture of the bisphenol A type epoxy resin and phenolic aldehyde modified epoxy resin, and phenolic aldehyde modified epoxy resin, and the curing agent is phenolic hydroxyl resin. The epoxy powder coating disclosed by the invention belongs to fast-set anticorrosion and wear-resistant epoxy powder coating, has the granularity being 10-125 mu m, is applied under general curing conditions that the curing temperature is 180-200 DEG C and the curing time is 3-10min, can be regulated according to user needs and is superior to like products in anticorrosion performance, coating film mechanical performance and wear resistance, a preparation process is simple, the labour productivity can be obviously increased, and the epoxy powder coating is suitable for industrialized production.