266results about How to "Simple preparation equipment" patented technology

The invention relates to a method for preparing a length-diameter-ratio nano-silver wire by a pH-value regulation solvothermal method. The method comprises the following steps of: preparing the following ethylene glycol solution, namely an ethylene glycol solution A of silver nitrate or silver acetate, an ethylene glycol solution B of polyvinyl pyrrolidone (PVP), an ethylene glycol solution C of water-soluble chloride and concentrated acid D; mixing the components according to a certain amount and fully stirring to form a final mixed solution; moving the final mixed solution into a reaction kettle; placing in an oven for reaction for a certain time; taking the reaction kettle out and cooling to room temperature to obtain mother liquid of the nano-silver wire; adding alcohol into the mother liquid for diluting, and removing supernatant liquor to obtain a precipitate; and repeatedly performing centrifugal separation, and thus obtaining nano-silver wire dispersion liquid uniformly dispersed in the alcohol. The method is simple, high in efficiency and low in cost, and can prepare high-quality nano-silver wires within a wider range of reaction condition; and prepared products are high in length-diameter ratio, good in length uniformity and low in impurity content.

A process for preparing the crystal phase controllable TiO2 nanocrystals includes such steps as hydrolyzing the Ti-cotnained compound in the aqueous solution of alcohol to obtain amorphous TiO2 powder, adding inorganic acid, hydrothermal treating, filtering, washing and drying. Its resultant TiO2 nanocrystal has the continuously regulatable ratio of anatase phase to rutile phase.

The present invention discloses one kind of high temperature resistant ceramic cooker suitable for use in electromagnetic induction furnace. The high temperature resistant ceramic cooker is produced with the main materials, including lithium-containing mineral material, quartz, kaolin, etc, and through grinding, mixing, forming, drying, glazing and high temperature baking to obtain the ceramic body; coating far infrared radiation layer, electromagnetically inducing eddy flow heating layer and far infrared reflecting layer to the bottom of the ceramic body; and roasting. It has high heat stability, no cracking even in no-water cooking state, high heat utilization rate and long service life. It is especially suitable for cooking in electromagnetic induction furnace.

This invention relates to a simulate wood card, in addition to a plaster technique and device, characterized in that it based on a hot press, and the lower of the bay has a working bench, and the upper of the bay is connected with a press hydraulic cylinder and a connecting board which can be moved up and down; the work bench can be a transforming bench which can be shifted outside; on the connecting board upon the bay it sets at least one wood sheet steel form with inner heating system and wood grain in the lower surface; the bay also has at least two infrared generators; the method of using the device comprises the following steps: fixing the wood sheet steel form on the top of the hot press, aligning the impregnated wood paper according to the interior wiring of the flooring base material, laying it on the transforming working bench and aligning with the upper wood sheet steel form, plastering with the hot press to get the base material, which has a wood paper with at least one wood pattern, and on the surface of the wood paper it has warp wood grain.

The invention relates to a hollow fiber ultrafiltration composite membrane composed of the components in the following weight percent: 15-25% of membrane material, 5-15% of pore-making agent, 55-75% of organic solvent and 5-10% of lithium chloride; the membrane material is a mixture of chitosan and one of polysulfone, polyether sulfone, polyacrylonitrile, polymethyl methacrylate, or cellulose triacetate, wherein the chitosan accounts for 1-5% of the total weight of the raw material, and the average molecular weight of chitosan ranges from 300,000 to 1,000,000; the pore-making agent is one of polyvinylpyrrolidone, polyethyleneglycol, or polyvinyl alcohol, or a mixture thereof; and the organic solvent is one of N-methyl-2-pyrrolidone, dimethyl fomamide, dimethyl acetamide, or dimethyl sulfoxide. The invention has good bioactivity, biocompatibility, anti-coagulation property and other properties.

The invention discloses a catalyst loading CoCr(Mn/Al)FeNi high-entropy alloy nano particles and a preparation method and application of the catalyst. Activated carbon or a mineral material is adoptedas the matrix of the catalyst, the CoCr(Mn/Al)FeNi high-entropy alloy nano particles are loaded on the surface of the matrix, wherein the mass content of the matrix is 90-97% by weight. The CoCr(Mn/Al)FeNi high-entropy alloy nano particles loaded on the carrier are uniformly distributed, the loading capacity is controllable, the catalytic performance is excellent, and a galvanic effect can be achieved by the high-entropy alloy particles and the matrix at a nanometer scale, so that the catalytic degradation performance on azo dye is improved greatly.

The invention provides an environmental friendly dry-film lubricant and a use method thereof, which belongs to the technical field of lubricant preparation. The dry-film lubricant comprises a solid lubricant, a dispersing agent, an anti-wear additive, an antioxidant, a reaction promoter, and a film-coated resin monomer; counted in weight percentage, the components and weight ratio thereof are as follows: 10 to 60 percent of solid lubricant, 0.5 to 5 percent of dispersing agent, 2 to 10 percent of anti-wear additive, 1 to 3 percent of antioxidant, 0 to 0.5 percent of reaction promoter, as well as 35 to 80 percent of film-coated resin monomer; the monomer of acrylic ester type is used to initiate copolymerization in situ to form a solid lubricant film. The dry-film lubricant does not contain organic volatiles, has a gentle preparation condition, and has a usage temperature range from -20 DEG C to 250 DEG C. The environmental friendly dry-film lubricant is suitable for the lubricating anti-wear coating on the parts of heat-sensitive base materials like plastics, alloys, and the like, in particular, and is suitable for the lubricating anti-wear coatings of running-in and high/low temperature sliding parts without oil lubrication and spare parts, as well as of microseism wear parts.

The invention discloses a preparation method of a porous diatomite-based AgO ceramic material, comprising the following steps of: firstly, preparing fine diatomite by raw diatomite, mixing the find diatomite, water, sodium carbonate, polyacrylamide and polyvinyl alcohol to prepare wet powder, extruding and sintering the wet powder to prepare porous ceramic strips, and then preparing the porous ceramic strips into required ceramic particles; soaking the ceramic particles in a silver nitrate solution, adding a potassium persulfate solution and a potassium hydroxide solution into the solution for reaction for 1-4 hours, and filtering out the ceramic particles; and washing and drying the filtered ceramic particles to obtain the porous diatomite-based AgO ceramic material. The porous AgO-carried ceramic material is prepared with method provided by the invention, AgO is an efficient bactericide, and porous ceramic is a filter medium with high cost performance, thereby the prepared novel material can be used for sterilizing and filtering in water, reducing the loss of the AgO, and lowering the water treatment cost. The preparation method has the advantages of simplicity in process and preparation equipment, low preparation cost and no pollutant discharge.

The invention discloses an aluminum alloy surface B4C particle reinforced Al base composite cladding layer and a preparation method, overcomes the problem that a traditional technology is difficult to remove compact oxide films quickly grown on surfaces of aluminum and an alloy of the aluminum, solves the problems of difficult powder feeding due to light mass of B4C particles and weak wettability with aluminum alloy molten liquid, and effectively leads the B4C particles in the aluminum alloy surface layer to form an Al base composite cladding layer with excellent metallurgic bonding. In cooperation with the powder-wire composite cladding technical scheme, by using consumable electrode inert gas protective welding-MIG welding, aluminum alloy welding wires are transited to the aluminum alloy wire, the side injection of the B4C particles is assisted to fuse in the Al base cladding layer, that is, the B4C particle reinforced Al base composite cladding layer is prepared on the aluminum alloy surface. The B4C particle reinforced Al base composite cladding layer and an aluminum alloy substrate are excellently bonded, and the B4C particles in the cladding layer and an Al matrix are excellently bonded, and obvious defects such as air holes and cracks are avoided; and the aluminum alloy surface B4C particle reinforced Al base composite cladding layer is higher in wear resistance compared with 45 steel.

The invention relates to a composite nutritional body beautifying agent which has comprehensive and abundant nutrients, replenishes qi and blood after being eaten for a long time and has the special functions of nourishing and beautifying the body to females. The composite nutritional body beautifying agent is especially suitable for pregnant women, puerperae, ladies with valetudinarianism and all beauty-conscious ladies. The invention combines Chinese wolfberry, Chinese date, pawpaw, yam, radix puerariae, honey, soybean, milk, eggs, fish meal, licorice, ginger and brown sugar into a whole for the first time to realize the nutritional effect of beautifying the body. The invention can be prepared into various preparation forms with convenient eating and has simple process, abundance and easy purchase of raw materials, no any toxic or side reaction, obvious food therapy function of each component and high cognitive strength; and the invention can be used as functional food, medical auxiliary food, health-care food and even medicine for popularization.

The invention relates to a nanometer-bullet-proof tire and relative producing method, which is characterized in that: a layer of micro-porous flexible tire body is arranged inside one layer of high-density polyurethane tire surface, while the tire body contains one or several specially-produced inner tube in variable shapes and integration and one or several thread bands. The invention combines the nanometer technique with the one-step casting flospinning or two-step casting flospinning to produce the tire in sealed type or porous type as well as the tire which has color in night. The invention has variable structures; fresh technique; lower cost; bullet-proof; slide-proof; abrasion-proof; lower inner heat emission and better heat endurance without aerating and explosion.

The present invention relates to a flexible supercapacitor with with NiS-MoS2 heterogeneous nano-sheet array structure based on carbon cloth loading and a preparation method thereof, belonging to thetechnical field of new energy material and device preparation. The flexible supercapacitor grows high-purity, high-density and high-orientation carbon cloth-loaded NiS-MoS2 heterogeneous nanosheet array by using anode material, carbon cloth coated with activated carbon as cathode material, PVA/KOH gel as diaphragm and electrolyte respectively. The anode has the advantages of high purity, high density, tidy appearance, strict controllable growth condition, simple equipment and process, low cost, high capacitance and good charge-discharge stability. The cathode material has excellent conductivity and large double-layer capacitance. The preparation process of the capacitor is simple, economical and environmentally friendly, and no post-treatment is needed. The supercapacitor provided by the invention has the advantages of light weight, large capacity, good cycle charging and discharging stability, and good flexibility, and can be used for power supply equipment of wearable electronic devices.

The invention discloses a method for manufacturing a full-fiber quarter wave plate. A Sagnac interferometer type full-fiber current transformer comprises modules such as a sensing light path, a transmission fiber from a high-voltage part of 110kV to 550kV to 1,000kV to a control room of a power station, a signal processing electronic circuit, an interface circuit of a merging unit and the like, accords with the standard of IEC 60044-8, and is applicable to the industry of electric transmission and transformation and other situations for measuring high current. A full-fiber current sensor realizes current sensing by changing a phase of circularly polarized light of a (gauge outfit) in a sensitive coil through the current. The method for manufacturing the quarter wave plate, namely a key component for realizing mutual conversion of linearly polarized light and circularly polarized light in the full-fiber current transformer comprises the steps of selecting a wave plate, welding the wave plate, a transmission light path and the sensing light path, and protecting welding spots.

The present invention relates to a new method for making insoluble medicine fenofibrate be prepared into micropills in liquid phase. Said method includes the following steps: making the fenofibrate and macromolecular material be dissolved in solvent to form medicine-macromolecular material solution; then making insoluble material be uniformly mixed and suspended in the medicine-macromolecular material solution, adding poor solvent, using medicine-macromolecular material solution as inner phase and using poor solvent as outer phase to form metastable emulsion; along with the continuous diffusion of good solvent in emulsion drop the medicine and macromolecular material in said emulsion drop can be simultaneously separated out and precipitated on the internal and external surfaces of diffusion agent, under the bridge-forming action of liquid bridge-forming agent and stirring action the spherical granules can be obtained.

The invention provides a manufacturing method and device of a non-homogeneous entity. The manufacturing method comprises the following steps: 1, firstly slicing and layering a formed entity according to a designed thickness to obtain two-dimensional laminate information of each layer; 2, under the control of an application program, mixing the separation slurry in different material components in a material supply cavity in proportion according to the information requirement by a mixing extruding forming head to obtain a manufacturing slurry; c, under the control of CAD (computer-aided design)software, finishing the manufacturing of the first laminate of the entity by the mixing extruding forming head so that the material components in the two-dimensional laminate continuously changes in gradient along an appointed direction; 4, moving the height of one laminated in the formed entity by the mixing extruding forming head to finish the manufacturing of a second laminate of the entity; 5, repeating above method, performing one layer by one layer until the non-homogeneous entity is obtained. The manufacturing device provided by the invention is suitable for the manufacturing method provided by the invention, comprises a three-dimensional movement control platform, a multi-component material mixing extruding forming head, a gas supply and pressure control device and a control system.

The invention relates to a method for preparing an ultra-hydrophilic zinc oxide/titanium oxide film by using a layer-by-layer self-assembling method. The method comprises the following steps that: (1) a substrate is immersed in zinc oxide colloid for 3 to 20 minutes, then is washed or rinsed by deionized water, and is dried, such that a substrate with positive electricity on the surface is obtained; (2) the substrate with positive electricity on the surface is immersed in titanium dioxide colloid for 3 to 20 minutes, then is washed or rinsed by deionized water, and is dried, such that a substrate with negative electricity on the surface is obtained; (3) the step (1) and the step (2) are repeated, and finally the substrate is sintered for 0.5 to 4 hours at a temperature of 400 to 500 DEG C, such that an ultra-hydrophilic zinc oxide/titanium oxide film is obtained. The method has advantages of simple equipment and low cost. The obtained film has good hydrophilic performance, and can be used for the determination of chemical oxygen demand in water quality analysis.