158results about How to "Suitable for scale" patented technology

The invention discloses a high-entropy alloy particle reinforced aluminum base composite material and a stirring casting preparation process thereof. The preparation process adopts mechanical alloying to prepare high-entropy alloy powder and screen to obtain high-entropy alloy particles; the high-entropy alloy particles are sealed by adopting an aluminum alloy pipe having the same material with a basal body; the aluminum alloy pipe weighed in a segmented manner is added in the molten basal body; the high-entropy alloy particles are dispersed by a stirring mode; and the high-entropy alloy particle reinforced aluminum base composite material is prepared by a casting process. The high-entropy alloy particles are 0.1-35%; aluminum alloys are 65-99.9%; and the sum of the two is 1. The high-entropy alloy particles in the structure of the prepared composite material are uniformly dispersed; the high-entropy alloy and aluminum alloy interface bonding compatibility is excellent; the strength and the toughness are excellent; the preparation process is simple; the powder has no need to be treated; the cost is low; the stability is good; and the composite material is suitable for large-batch production and standard production, and is excellent in promotion and application prospect.

The invention relates to a battery grade anhydrous iron phosphate and a preparation method thereof. The battery grade anhydrous iron phosphate is in an orthorhombic type. The preparation method of the battery grade anhydrous iron phosphate is an oxidation precipitation method using air as oxidant and includes steps: adding pH value modifier solution into aqueous solution of mixture of ferrous salt with phosphoric acid or phosphate, feeding air and stirring for reaction to generate a crystalline-state composite containing ammonium, hydroxyl and water of crystallization; and obtaining the battery grade anhydrous iron phosphate after solid-liquid separating, washing, drying and roasting. The battery grade anhydrous iron phosphate is an ideal material for preparation of lithium iron phosphate which is the material of anodes of lithium ion batteries. The preparation method is suitable for large-scale, economical, stable and reliable production of high-quality battery grade anhydrous iron phosphate, and has evident advantages and practical value.

The invention discloses a preparing method of refractory high-entropy alloy spherical powder. The method comprises following steps: firstly, a high-entropy alloy raw material is treated through a mechanical alloying method to obtain pre-alloying powder, and the powder is subject to vacuum sieving and then is stored under the vacuum environment; secondly, the pre-alloying powder obtained after vacuum sieving in the first step is placed in a plasma spheroidizing device to be subject to spheroidizing under the argon protection, and the refractory high-entropy alloy spherical powder is obtained.The preparing method is short in process flow, simple in process, lower in energy consumption and suitable for large-scale industrial production. The prepared refractory high-entropy alloy spherical powder has the beneficial effects of being high in sphericity degree, good in surface smoothness, uniform in granularity distribution, good in liquidity, uniform in component and the like and is suitable for the field of additive manufacturing, hot spraying and the like.

The invention discloses a vegetable and fruit biological activity seedling culture matrix as well as a preparation method and application of the vegetable and fruit biological activity seedling culture matrix. The vegetable and fruit biological activity seedling culture matrix is prepared by adding auxiliary ingredients such as excrements of plant-eating animals, soil ash or coal slag, peat, a slow-release fertilizer, a calcium-magnesium phosphate fertilizer, medium trace elements and a microbial agent into papermaking wastewater serving as a main ingredient. The matrix is soft, loose, ventilating, water-saving and drought-resisting. The matrix for culturing vegetable and fruit seedlings can achieve the effects of high seedling emerge speed, short seedling age, seedling strengthening, quality improvement, root activity enhancement, disease resistance and improvement on seedling emerge rate and seedling rate; furthermore, the vegetable and fruit biological activity seedling culture matrix is convenient to transplant; the slow seedling period is short; stable yield and high yield of vegetables and fruits are guaranteed.

The preparation method of magnetic nano particle with bio-compatibility includes the following steps: heating and decomposing metal organic iron compound in high boiling point polar solvent in the presence of bio-compatibility molecule, precipitating and separating so as to obtain said magnetic nano particles with bio-compatibility. By adopting bio-compatibity molecules containing double-functional group (for example double-functional group polyglycol and its derivative, etc.) to make modification the magnetic nano particles whose surface has different functional groups can be obtained. By adopting different iron materials the nano particles with different types of Fe, gamma-Fe2O3 and Fe3O4 can be obtained.

The invention belongs to the field of thermal batteries, and relate to a carbon coated thermal battery electrode material and a preparation method thereof. Glucose and other carbon sources are added in the process of preparing cobalt disulfide through a hydrothermal method, and the cobalt disulfide electrode material with a carbon coated structure is prepared in situ; the mass content of carbon in the obtained material relative to cobalt disulfide ranges from 1% to 25%. The electrode material has the advantages of being high in specific capacity, good in air stability, simple in preparation process, easy to prepare in a large scale and the like.

The invention relates to a combined ecological floating bed device for using a microbial fuel cell to purify lake water. The combined ecological floating bed device for using the microbial fuel cell to purify the lake water comprises a combined ecological floating bed and the microbial fuel cell, wherein the combined ecological floating bed comprises a surface aquatic plant unit, a middle aquatic animal unit and a lower artificial medium unit from the top to the bottom; the aquatic plant unit consists of aquatic economic plants (1) and a conductive material (2) for fixing the aquatic plants; the aquatic animal unit is used for aquaculturing predatory aquatic animal shellfish (3); in the artificial medium unit, an active carbon nanoparticle artificial medium (4) is enriched with a great number of microbes to form a high-efficiency biomembrane purifying area; the combined ecological floating bed device for using the microbial fuel cell to purify the lake water is characterized in that the conductive material (2) is led out of the device through a conductive wire (5) to form an air cathode electrode of the microbial fuel cell. The combined ecological floating bed device for using the microbial fuel cell to purify the lake water can improve the water quality fundamentally and can recycle energy, and is applicable to large-scale, modeled and mechanical work.

The invention relates to wolfberry and jujube health promotion milk and a preparation method of the health promotion milk, belonging to the technical field of modulated milk. The wolfberry and jujube health promotion milk consists of the following raw materials by weight percent: 80-90% of raw milk, 2-3% of wolfberry concentrated juice, 1-2% of jujube concentrated juice, 0.5-10% of crystal line fructose, 0.1-0.3% of a stabilizer, 0.005-0.1% of edible essence, 0.5-3% of longan concentrated juice, 0.05-0.1% of Chinese yam polysaccharide, 0.05-0.5% of black sesame powder, 0.1-0.5% of honey and the balance of soft water. By being scientifically proportioned according to the health promotion principle of traditional Chinese medicines and prepared through an advanced processing process, the wolfberry and jujube health promotion milk is natural and pure in taste and rich in nutrition and remains nutritional ingredients and active ingredients of natural health products such as milk, wolfberry, jujube, longan and Chinese yam up to the hilt, so that the beneficial ingredients of each raw material are brought out the best in each other and the health function is strong.

The invention provides a method for preparing silicon dioxide aerogel. The method comprises the following steps of: preparing silicon dioxide sol by solid-solid reaction, preparing silicon dioxide gel, replacing a solution, performing surface modification treatment and drying under normal pressure. According to the method, the silicon dioxide aerogel which is few in impurities, high in purity and narrow in particle size distribution is prepared by taking superfine mineral powder of silicon micro powder, micro silicon powder, kieselguhr, vermiculite powder, sepiolite, a perlite filter aid and the like which are high in content of silicon dioxide, readily available, low in cost and light in mass as a raw material; and according to the preparation method, the production cost is low, and a production process is simple.

The invention relates to an automatic edge sealing technology for vacuum glass, which comprises the following steps of arranging supporters on basal board glass, arranging upper plate glass on the basal board glass, using low melting-point glass powder between the upper plate glass and the basal board glass for sealing edges, placing the upper plate glass and the basal board glass into a vacuum heating furnace to be heated and taking out upper plate glass and the basal board glass to get a finished vacuum glass, wherein in the step of using the low melting-point glass powder for sealing the edge, a section bar of low melting-point glass powder or the low melting-point glass powder is arranged on the basal board glass, and a gap of air escaping in the evacuation in the heating furnace is left in a chamber formed between the basal board glass and the upper plate glass. The invention has simple integrated structure, greatly shortens the evacuation time, increases the work efficiency, has reliable automatic evacuation and sealed package, good air tightness, little air leakage hazard, attractive appearance and production technology simplification, greatly promotes the development of the vacuum glass industry, and is particularly suitable for the industrialized, the scale and the standardized production of the vacuum glass.

The invention discloses battery-grade ferric phosphate and its preparation method. The battery-grade ferric phosphate is anhydrous ferric phosphate FePO4. The powder is composed of monodisperse olive-shaped particles with regular shapes. Bulk density is high, and tap density reaches up to 1.5-1.6 g/cm<3>. The preparation method comprises the following steps: using trivalent ferric salt ferric nitrate as an iron source, and using phosphoric acid or ammonium biphosphate or diammonium phosphate or ammonium phosphate as a phosphorus source; adding an ammonia-water solution as a pH value conditioning agent into a mixed aqueous solution of the iron source and the phosphorus source, stirring and reacting and ageing to generate high-density olive-shaped crystalline compound NH4Fe2(OH)(PO4)2.2H2O containing ammonium, hydroxide and crystal water; and carrying out solid-liquid separation, roasting and decomposing to prepare the battery-grade ferric phosphate. The battery-grade ferric phosphate is an ideal raw material for preparing the lithium ion batteries cathode material lithium iron phosphate. The preparation method is suitable for mass, economic, stable and reliable production of the high-quality high-density battery-grade ferric phosphate, has no discharge of waste water, has obvious advantages, and has practical value.

The invention discloses a proportion of raw materials of Chinese wolfberry milk, and relates to a method for preparing the Chinese wolfberry milk. The method comprises the following steps of: (1), mixing a sweetening agent, a stabilizing agent and crystalline fructose; (2), mixing Chinese wolfberry condensed juice, red date condensed juice, honey and edible pure alkali and performing polyethylene (PEF) treatment, wherein the optimal parameters comprise 20-40kV/cm of electric field intensity, the pulse time of 150-200 mu S, and the pulse frequency of 200-300Hz; (3), pre-treating the raw material milk and performing the PEF treatment, wherein the optimal parameters comprise 20-40kV/cm of electric field intensity, the pulse time of 400-600 mu S, and the pulse frequency of 200-300Hz; (4), mixing a material liquid; (5), performing the PEF treatment on the mixed liquid to mix; (6), mixing the mixed liquid with essence; (7), performing secondary homogeneity on the mixed liquid; and (8) performing ultra-high temperature sterilization (UHT) on the mixed liquid to obtain the Chinese wolfberry milk.

The invention discloses probiotic dry red wine and a preparation method thereof. The preparation method includes that dry red wine and rose flowers are used as raw materials, and low-temperature extraction technologies like high-voltage pulse electric field, microwave, ultrasound and biological enzymolysis are organically combined, so that functional substances and fragrant ingredients of the rose flowers can be retained to maximum extent; probiotics like functional Lactobacillus plantarum are used as fermentation agents, and temperature-variable fermentation and graded inoculation are adopted, probiotic multiplication and accumulation of functional metabolite can be realized to maximum extent, malic acid in the dry red wine can be further converted into lactic acid, acor of the dry red wine can be eliminated, and taste, healthcare function and wine stability of the dry red wine can be improved; the high-voltage pulse electric field, ultrasonic technology and peracetic acid are combined to accelerate aging, so that the probiotic dry red wine obtained has quality equivalent to that of existing fermented common dry red wine after aging for 8-10 years, and is good in aging effect, short in period and high in efficiency.

The invention discloses a method for extracting lithium from magnesium-removal bittern and preparing battery-grade lithium carbonate. The method uses a reaction-separating coupling technology for separating, extracting a lithium resource from magnesium-removal bittern and generating the battery-grade lithium carbonate, a technology comprises the following steps: aluminium salt is added in high sodium bittern after magnesium removal, and steps of nucleation and crystallization are carried out with alkali lye in a colloid grinder to obtain a lithium-aluminium composite metal hydroxide solid, lithium ions are introduced into a solid phase, the sodions stay in a solution, so that lithium ions and sodions are effectively separated. The lithium-aluminium composite metal hydroxide is dissolved by acid to obtain a solution containing lithium ions and aluminum ions, then lithium and aluminium are separated by an electrodialysis apparatus, the separated solution containing aluminium can be recycled, a lithium-rich solution is subjected to a precipitation reaction, and the battery-grade lithium carbonate is obtained. A reaction-separation coupling technology is used, while lithium and sodium are separated, the battery-grade lithium carbonate is prepared, so that high efficiency and high value utilization of the salt lake lithium resource can be realized.

The invention relates to vacuum glass of automatic flatness adjustment and a preparation method thereof, which comprises upper plate glass, basal board glass, supporters and a low melting-point glass powder sealed edge, wherein supporters are uniformly arranged between the upper plate glass and the basal board glass at intervals and are rigid supporters, and a layer of low melting-point glass powder is uniformly wrapped on the outer edge of every rigid supporter. The rigid supporters of the invention combine soft support and rigid support into a whole, the partial stress problem and the supporter sliding problem of metal fixing supporters are overcome, the technical steps of the vacuum glass are reduced, and the low melting-point glass powder wrapped on the rigid supporters can be used for automatically adjusting the flatness of the vacuum glass, the quality of the vacuum glass is guaranteed, the production cost is lowered, and the development of the vacuum glass industry is promoted. The invention is particularly suitable for the industrialized, the scale and the standardized production of the vacuum glass.

The invention discloses a radar-infrared compatible stealth material with adjustable property and a preparation method thereof. The preparation method comprises the following steps of: placing 100 grams of steel balls, 10 grams of carbonyl iron powder, 0.01-0.1 gram of calcium stearate and 30-50 milliliters of acetone solutions into a ball milling jar together for ball milling; placing the carbonyl iron powder subjected to the ball milling into a degreasing fluid, and degreasing at the temperature of 50-70 DEG C for 8-10 minutes; placing the degreased carbonyl iron powder into a chemical plating solution, and plating the carbonyl iron powder at 30-75 DEG C under the pH value of 13-14 for 15-45 minutes; cleaning and drying a material subjected to chemical plating to obtain a needed composite material. The preparation method disclosed by the invention has the advantages of simpleness, easiness and convenience for process flow and low cost.

The invention discloses a method for continuously harvesting ramie fibers, which comprises the following steps of: A. ramie plantation segmentation: the planted ramie is harvested in different areas in different time periods, the area of a ramie plantation is divided into blocks according to the standard of harvesting 1-10 days/block, and by utilizing the natural condition with sufficient rainfall and sunlight in June-September, the continuous harvest in May-October in each year can be realized; B. early harvesting: the time is five-twenty days earlier than the normal harvesting time; C. additionally fertilizing: after the ramie fibers are harvested, a nitrogenous fertilizer is applied according to a N60-80kg/hm2 standard; and D. culturing and managing in winter: the culture and the management are strengthened in winter, and a cake fertilizer (1,000-1,500kg/hm2) and NPK compound-fertilizers (600-80kg/hm2) are applied again.

The invention provides a cobalt and nitrogen doped carbon nanorod catalyst as well as a preparation method and an application thereof. The preparation method comprises the following steps: 1) a nitrogen source, a carbon source and cobalt salt are dissolved in a N,N-dimethylformamide solvent in order to obtain a static spinning solution; 2) static spinning is carried out for the static spinning solution in order to obtain nanofiber cloth; 3) heat treatment is carried out for the nanofiber cloth in order to obtain a black fibrous material; 4) washing, pumping filtration, drying and grinding are carried out for the black fibrous material in order, and the cobalt and nitrogen doped carbon nanorod catalyst is obtained. The method which combines static spinning and heat treatment technology is employed for preparing the cobalt and nitrogen doped carbon nanorod catalyst, the catalyst has the advantages of low cost, uniform structure and excellent performance, and excellent oxygen reduction reaction (ORR) electrocatalytic activity is shown in acidic and alkaline mediums; the whole preparation technology is simple and reliable, and is suitable for scale expansion; in the future, the catalyst can replace platinum based noble metal catalyst, and can be applied to the fields of proton exchange membrane fuel cell, metal-air fuel cell, and the like.

The invention discloses a light food composition for weight-loss meal replacement and a preparation method thereof. The light food composition for weight-loss meal replacement comprises 10-15 parts ofcereal powder, 8-14 parts of composite grease microcapsules,3-6 parts of fiveleaf gynostemma herb microcapsules, 6-13 parts of resistant dextrin, 6-13 parts of xylitol, 7-14 parts of soy isolate protein, 5-13 parts of medium-chain triglyceride powder, 5-10 parts of inulin, 2-5 parts of stachyose, 1-5 parts of chia seeds, 1-5 parts of konjaku flour, 0.7-3 parts of wheat oligopeptide, 0.2-2 parts of xylooligosaccharide powder, 0.1-2 parts of white kidney bean extract and 10-15 parts of composite fruit powder.

The invention relates to the novel technical field of edible fungi cultivation, and particularly relates to a cultivation method of flammulina velutipes. The method concretely comprises the following steps: selecting a flammulina velutipes variety which is free of infectious microbes, robust in mycelial growth, and adapted to local climate, and grows out hypha all over without aging as a seed source; selecting corncob, saw dust, bran and the like as raw materials; then mixing raw materials, bagging, sterilizing, inoculating and cultivating to obtain a fungi bag for production; finally carrying out open fruiting, fruiting management, recovery and final-period management, thus finishing the overall cultivation process. By implementing the method, the yield and the quality of the flammulina velutipes are further improved and the production cycle is shortened by selecting high-quality bacteria, grasping the optimal cultivation season and adopting high-quality raw materials, optimal formula, culture method improvement and the like, and the production cost and the economic benefits are greatly reduced. The cultivation method is applicable to factorial, large-scale and intensive production of the flammulina velutipes.

The invention provides a melastoma dodecandrum lour planting method, and particularly relates to the technical field of plant cultivation. The method adopts a mode for planting melastoma dodecandrum by using a seedling solution for rooting culture of cutting strips. Firstly, the cutting strips are placed and soaked in rooting water, cultivating and rooting are conducted with the seedling solution,field planting is conducted in a planting field, when water and fertilizer management is carried out, a vine enhancing agent and a fruit promoting agent are sprayed at the right time, the rooting rate of the cutting strips is over 98%, the total flavonoid content of active ingredients of a plant is above 35mg/g, which makes fruits have a heavy weight, enough sweetness and high yield, the shelf life of fresh fruits is prolonged to more than 20 days, so that the fresh fruits keep the original taste and freshness and do not easily rot, and the planting method is green, environmentally friendly,easy to operate, convenient to manage and suitable for scale and industrialization popularization.

The invention belongs to the novel technical field of cultivation of edible mushrooms, and particularly relates to a method for preparing a fruiting fungus bag for oyster mushroom with a cornstalk as a principal raw material. The method comprises the steps as follows: the pure elongated cornstalk which is not required to be smashed is taken as the principal raw material and cut into segments of 25-30 cm, and the segments are soaked in lime water and fermented; and corncobs, corn husks, corn flour and quick lime are taken as auxiliary materials, the fermented cornstalk segments and the auxiliary materials are bagged, and the fruiting fungus bag for production is prepared through sterilization, inoculation and fungus cultivation. According to the method, the used principal raw material, namely, the cornstalk is not required to be smashed or ground during application and is used integrally, investment for special facilities, and labor and the like which are required when the cornstalk is smashed or ground at ordinary times is reduced; besides, the speed of the hypha is slow when the hypha is transformed into the cornstalk, the transformation period is long, the biotransformation rate is high, and the produced economic benefits are remarkable.

The invention provides a carbon-supported noble metal alloy catalyst as well as a preparation method and application thereof, and the method comprises the following steps: 1) preparing an aqueous solution of sugar and template salt, adjusting the pH value, and carrying out hydrothermal carbonization reaction; 2) drying the hydrothermal carbonization product; 3) carrying out primary heat treatmentin a mixed gas atmosphere of inert gas and hydrogen to obtain carbon-loaded transition metal; 4) dispersing the obtained carbon-loaded transition metal in water to form a carbon-loaded transition metal aqueous solution, adding a noble metal precursor solution and a reducing agent, reacting and drying; and 5) carrying out secondary heat treatment on the obtained dried product in an inert gas atmosphere to obtain the carbon-supported noble metal alloy catalyst. The obtained catalyst has high catalytic activity and good durability, the initial potential and half-wave potential of an LSV curve ofthe catalyst are superior to those of a commercial platinum-carbon catalyst, the durability of the catalyst is superior to that of the commercial catalyst after 3000 times of circulation, and the catalyst has good oxygen reduction catalytic performance.