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46results about How to "Resources are widely distributed" patented technology

Method of extracting natural oxidationresistant active substanceoil from orange tree bark

The invention relates to a method of extracting natural anti-oxidation active substance from plant materials, which discloses a method of extracting natural anti-oxidation active substance from oil orange tree bark. The method includes the following steps: (1) crushing; (2) extracting: the water is the solvent, the mass of the bark materials which have been crushed to the volume of water is 1 : 5g/ml to1: 10g/ml, the bark materials crushed are immersed in the water, the extracting solution is gained under the temperature ranging from 50 DEG C to 80 DEG C and under the effect of ultrasonic; (3) flocculating settling: the chitosan acetic acid solution is the flocculating agent; and the chitosan acetic acid solution is added into the extracting solution and stirred for 10 minutes to 30 minutes; (4) subzero fractionating: the extracting solution which is added with the flocculating agent is cooled and kept statically, the clear solution is extracted and the sediment is threw away; (5) the clear solution is added with 15 percent to 20 percent active carbon and 0.4 percent to 0.6 percent EDTA-2Na which are fixedly contained in the clear solution, the clear solution is filtered for the cleaning of the carbon after the clear solution is stirred for 0.5 hour to 1 hour, the filtrate is used as the upper-column liquid for the fractionation by adsorption of the resin; (6) fractionation by adsorption of the resin, by using desolvation, the powdered natural anti-oxidation active substance is gained by the vacuum freeze drying.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

Bentonite and fungal dreg compounded water-retention fertilizer-conservation cultivation matrix and its preparation method

The invention relates to the technical field of the water-retention fertilizer-conservation cultivation for the drought-resistant forestation of the agriculture and forestry, and concretely relates to a bentonite and fungal dreg compounded water-retention fertilizer-conservation cultivation matrix and its preparation method. The matrix comprises 30-40 parts of bentonite, 60-70 parts of fungal dreg and 0.1-0.5 parts of a composite fertilizer. The preparation method of the matrix comprises the following steps: selecting new waste fungal bags after the edible fungus plantation, carrying out bag removal treatment, crushing, and adding a composite microbial agent and urea to guarantee the C:N ratio of 20; fully and uniformly mixing the above raw materials, adjusting the water content to 60%, composting the fungal dreg, and storing the obtained compost in a ventilation and rain exposing prevention device for the decrease of the water content to 20%; and uniformly mixing the fungal dreg with bentonite and the composite fertilizer, and crushing to prepare the water-retention fertilizer-conservation cultivation matrix. The matrix has the advantages of abundant sources and low costs of raw materials, wide distribution and low cost of a bentonite mineral resource, large output and easy obtaining of the waste fungal dreg, simple making method, and no pollution to the environment.
Owner:SICHUAN AGRI UNIV +1

Dolomite magnesium cement inner and outer wall fireproof decoration board and preparation method thereof

The invention relates to a dolomite magnesium cement inner and outer wall fireproof decoration board and a preparation method thereof, belonging to the chemical building material field. The decoration board contains caustic dolomite powder, magnesium chloride, light filler, inert filler, water and thermal insulation material, wherein the weight ratio of caustic dolomite powder to magnesium chloride to light filler to inert filler to water to thermal insulation material is 1.00:(0.12-0.40):(0.10-0.60):(0.05-0.30):(0.44-1.20):(0.05-0.30) and a defined amount of reinforced material is added. The preparation method comprises the following steps: mixing slurry, shaping and curing, and maintaining. The building inner and outer wall fireproof decoration board prepared by the method in the invention has the following advantages: the decoration board is fireproof, heat-insulated, corrosion-resistant, shockproof, environmentally friendly and energy-saving and has high strength, good water resistance, easy construction method, simple production technology, low energy consumption and the like. The decoration board is an updated product which can replace various boards such as plywoods, density boards, shaving boards and gypsum plaster boards and the like, belongs to the green and environmentally friendly building material and can be widely used in the building industry.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI +1

Solar photovoltaic panel with convenience in adjustment

The invention relates to the technical field of new energy, and discloses a solar photovoltaic panel with convenience in adjustment. The solar photovoltaic panel comprises a mounting seat. Screw holesare formed in two sides of the top of the mounting seat, tightening screws are penetratingly arranged inside the two screw holes, a fixing circular ring is fixedly mounted on the top of the mountingseat, a support triangular plate is arranged inside the fixing circular ring, first sliders are fixedly mounted on three corners of the side surfaces of the support triangular plate, and an annular slide groove which corresponds to the first sliders is formed in the inner wall of the fixing circular ring. The solar photovoltaic panel with the convenience in adjustment has the advantages that the support triangular plate can rotate by 360 degrees inside the fixing circular ring in first slider and annular slide groove modes, accordingly, the direction of a photovoltaic panel body can be conveniently adjusted by users, requirements of the photovoltaic panel body on light rays in different directions can be effectively met, and the work efficiency of the photovoltaic panel body can be effectively improved.
Owner:大庆市奋钧科技有限公司

Light dolomite magnesium cement block, baking and steaming-free brick and manufacture method thereof

The invention discloses a light dolomite magnesium cement block, a baking and steaming-free brick and a manufacture method thereof, belonging to the field of chemical engineering buildings. The light dolomite magnesium cement block and the baking and the steaming-free brick are composed of the following components of caustic dolomite powder, magnesium chloride, a light filler, an inert filler, water and a heat insulating material with the mass ratio of 1.00: (0.25-0.40): (0.50-1.0): (0.05-0.30): (0.60-1.20): (0.10-0.50). The manufacture method comprises the following steps of stirring slurry, shaping and curing. The caustic dolomite powder with good activity is adopted to manufacture the block and the baking and steaming-free brick, which can expand the application range of the magnesium cement materials and has an important meaning for developing economy for each region and saving a great quantity of woods for our country. The light block and the baking and steaming-free brick produced with the manufacture method of the invention have the characteristics of fire prevention, heat insulation, high strength, sound insulation, corrosion prevention, shock prevention, environmental protection, energy conservation and the like, are easy for construction, are the new products for replacing the blocks and the bricks made of various traditional materials, belong to environment-friendly building materials and can be widely applied in the construction industry.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI +1

Preparation method of magnesium sulfate heptahydrate

ActiveCN105366698AEquipment corrosion is smallReduce environmental pollutionMagnesium sulfatesSolid phasesChemistry
The invention discloses a preparation method of magnesium sulfate heptahydrate. The preparation method comprises following steps: A, sodium sulfate, magnesium chloride, and fresh water are mixed at a weight ratio of 1:(3-6) :(1.5-3.5) for decomposition transformation so as to obtain a material slurry I; B, the material slurry I is subjected to thermal-insulation sedimentation and solid-liquid separation so as to obtain a liquid phase mother liquid I; C, the liquid phase mother liquid I is cooled to 10 to 15 DEG C for low temperature cold crystallization, and then is subjected to solid-liquid separation so as to obtain solid phase crude magnesium sulfate heptahydrate and a liquid phase mother liquid II; D, the solid phase crude magnesium sulfate heptahydrate and the liquid phase mother liquid II are subjected to slurry mixing and washing at a weight ratio of 1:(0.2-0.6) :(0.2-0.6) so as to obtain a material slurry II, the material slurry II is subjected to solid-liquid separation so as to obtain a solid phase refined magnesium sulfate heptahydrate wet product; and E, the solid phase refined magnesium sulfate heptahydrate wet product is dried so as to obtain magnesium sulfate heptahydrate.
Owner:QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI

Application of bromine phenolic compound in preparing medicament for treating type 2 diabetes or adiposis

The invention relates to a medicine for treating type 2 diabetes and obesity, in particular to an application of three bromophenol compounds to the preparation of the medicine for treating type 2 diabetes and obesity. The bromophenol compounds of the invention have inhibitory activity against protein tyrosine phosphatase (PTP1B), and can be used for treating the type 2 diabetes and the obesity.
Owner:INST OF OCEANOLOGY - CHINESE ACAD OF SCI

Process for producing bead ferronickel by rotary hearth furnace through coal-based reduction of red soil nickel oxide ores

The invention discloses a process for producing bead ferronickel by a rotary hearth furnace through coal-based reduction of red soil nickel oxide ores, which is capable of reducing the production cost and belongs to the technical field of production of iron alloys. The process comprises the following steps of: a, after finely crushing, dosing, mixing and pelletizing raw red soil nickel oxide ores, reducing coal and a flux, drying to obtain dry balls; b, reducing the dry balls into the rotary hearth furnace, and carrying out water quenching, cooling, crushing and magnetic separation on the discharged high-temperature clinker so as to obtain a bead ferronickel alloy and slag. According to the invention, the rotary hearth furnace is taken as a reducing device, non-coking coal with cheap price and wide resource distribution is directly taken as a reducing agent, and coal gas is taken as main energy, so that the production cost is low, the process is applied to a construction plant of a mine region with power resource scarcity, the restriction condition of higher transportation cost of raw materials of the conventional factory is overcome, the process is simple and easy to operate and put into large-scale production application, and the obtained bead ferronickel has high nickel grade and high metal recovery rate, and is a high-quality raw material for producing stainless steel.
Owner:SICHUAN JINGUANG IND GRP

Lightweight low-loss silicon carbide series refractory material and preparation method thereof

The invention relates to a lightweight low-loss silicon carbide series refractory material and a preparation method thereof. Silicon carbide powder and a pore-forming agent are taken as raw materials for forming a green body; the green body generates a silicon carbide sintered body at high temperature; the surface of the silicon carbide sintered body is coated with a layer of dense silicon membrane. By using the pore-forming agent, relatively-high porosity of the silicon carbide series refractory material is ensured, thermal shock resistance of the material is improved, the weight of the material is reduced, and the cost of the raw materials is reduced. Due to the adoption of the silicon membrane layer, the contact between an internal material of the silicon carbide series refractory material and the outside can be effectively isolated, and further the oxidation resistance of the silicon carbide series refractory material is remarkably improved; whether the material is dense or not has no influence on stability and service life of the material. A used coating method is a conventional mature coating technology, stable, simple to control, convenient in control of the coating thickness, coating density or coating material and facilitates industrial production and application.
Owner:长兴泓矿炉料有限公司

Method of extracting natural oxidationresistant active substanceoil from orange tree bark

The invention relates to a method of extracting natural anti-oxidation active substance from plant materials, which discloses a method of extracting natural anti-oxidation active substance from oil orange tree bark. The method includes the following steps: (1) crushing; (2) extracting: the water is the solvent, the mass of the bark materials which have been crushed to the volume of water is 1 : 5g / ml to1: 10g / ml, the bark materials crushed are immersed in the water, the extracting solution is gained under the temperature ranging from 50 DEG C to 80 DEG C and under the effect of ultrasonic; (3) flocculating settling: the chitosan acetic acid solution is the flocculating agent; and the chitosan acetic acid solution is added into the extracting solution and stirred for 10 minutes to 30 minutes; (4) subzero fractionating: the extracting solution which is added with the flocculating agent is cooled and kept statically, the clear solution is extracted and the sediment is threw away; (5) theclear solution is added with 15 percent to 20 percent active carbon and 0.4 percent to 0.6 percent EDTA-2Na which are fixedly contained in the clear solution, the clear solution is filtered for the cleaning of the carbon after the clear solution is stirred for 0.5 hour to 1 hour, the filtrate is used as the upper-column liquid for the fractionation by adsorption of the resin; (6) fractionation byadsorption of the resin, by using desolvation, the powdered natural anti-oxidation active substance is gained by the vacuum freeze drying.
Owner:INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY

A water- and fertilizer-retaining cultivation substrate compounded with bentonite and fungus residue and its preparation method

The invention relates to the technical field of the water-retention fertilizer-conservation cultivation for the drought-resistant forestation of the agriculture and forestry, and concretely relates to a bentonite and fungal dreg compounded water-retention fertilizer-conservation cultivation matrix and its preparation method. The matrix comprises 30-40 parts of bentonite, 60-70 parts of fungal dreg and 0.1-0.5 parts of a composite fertilizer. The preparation method of the matrix comprises the following steps: selecting new waste fungal bags after the edible fungus plantation, carrying out bag removal treatment, crushing, and adding a composite microbial agent and urea to guarantee the C:N ratio of 20; fully and uniformly mixing the above raw materials, adjusting the water content to 60%, composting the fungal dreg, and storing the obtained compost in a ventilation and rain exposing prevention device for the decrease of the water content to 20%; and uniformly mixing the fungal dreg with bentonite and the composite fertilizer, and crushing to prepare the water-retention fertilizer-conservation cultivation matrix. The matrix has the advantages of abundant sources and low costs of raw materials, wide distribution and low cost of a bentonite mineral resource, large output and easy obtaining of the waste fungal dreg, simple making method, and no pollution to the environment.
Owner:SICHUAN AGRI UNIV +1
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