108results about How to "Adjust the ratio" patented technology

A process for preparing nano-class metal particles by dual-pouring method features that under the existance of protector and regulator, the metallic salt is reduced by reducing agent to obtain one ormore (30-100 nm) metallic particles. Its advantages are high dispersity, easy control of diameter, high output rate up to 95%, and preparing the particles of more metals by a single equipment.

A process for synthesizing mullite by sintering high-Al powdered coal ash includes magnetic dressing for removing Fe, proportionally mixing it with high-Al alumina, pulverizing, die pressing, drying and sintering in tunnel kiln.

The invention discloses a powder-material-oriented SLM (selective laser melting)/SLS (selective laser sintering) powder laying technology. Manufacturing through selective powder laying and selective laser melting individual gradient material is achieved. According to the main function, powder of different material components can be precisely laid on a powder bed in a fixed-point manner through a plurality of spraying heads, and then, through SLM/SLS manufacturing, continuous gradient changes of materials between different portions can be achieved. Along the material proportioning line, powder laying is carried out, through cooperation of all flow controllers, mixed powder with different proportions can be obtained, the proportion of different kinds of powder can be adjusted in advance, and then powder laying is carried out; in the powder laying process, the proportion of different kinds of powder can be dynamically adjusted, and continuous gradient changes of the materials between the different portions can be achieved.

The invention relates to a bimetal organic framework material adsorbent applied to methane/nitrogen separation and a preparation method thereof. The bimetal organic framework material adsorbent is a compound with super-molecular porous network structure, wherein the compound is formed by coordinating two metal ions with an organic ligand HCOOH under the action of an adjusting agent; at least one of the two metal ions is Ni(II); the coordination conditions of different metals are controlled by adjusting complexation of Ni(II) to obtain several bimetal organic framework materials with different metal ratios. The prepared adsorbent has rich micro-porous structures; the purpose of adjusting pore properties microscopically is achieved; the NH4/N2 separation effect is excellent; the material is simple to prepare and low in cost, and is extremely applicable to development and recycling of low-quality methane separated under low pressure.

The invention relates to a preparing method of an oolong tea concentrated solution. The preparing method comprises the following steps that firstly, oolong tea leaves are subjected to first-stage charging and extracting; secondly, enzymolysis is carried out, wherein a tea leaf extract solution is subjected to enzymolysis treatment, and wall-breaking enzyme, tannase and protease are used as an enzyme preparation; thirdly, the oolong tea leaves are subjected to second-stage charging and extracting; fourthly, separating and filtering are carried out; fifthly, concentration is carried out, wherein a tea extract solution is concentrated; sixthly, a finished product is sterilized, and thus the finished oolong tea concentrated solution is obtained. According to the method, by means of the synthetic effect of wall-breaking enzyme, tannase and protease with the combination of the tea two-stage charging method, the product yield and production efficiency within the same time can be increased; meanwhile, the oolong tea concentrated solution prepared though the method has high amino acid content with partial ester catechins reserved, and is full in tea sense and mellow in taste, the fresh and mellow sense and the tea sense of oolong tea are intensified, much feature flavor of the oolong tea is reserved, the taste of the oolong tea concentrated solution is upgraded, and diversity of the oolong tea concentrated solution varieties is improved.

The invention provides a coal-based energy chemical product poly-generation system and a coal-based energy chemical product poly-generation method. Renewable energy sources and renewable resources are introduced into the process of producing coal-based energy chemical products, and coal is converted into clean coal-based energy chemical products and/or clean electric power so as to realize comprehensive utilization of wastewater, waste gas and solid waste and near-zero emission of carbon dioxide.

The invention relates to the field of agricultural planting and discloses multifunctional fertilizer and a preparation method thereof. The multifunctional fertilizer comprises a quick release layer, a slow release layer and an envelope layer, wherein the quick release layer is composed of the following substances: nitrogen fertilizer, phosphate fertilizer, potassium fertilizer, microelement fertilizer, a chemical oxygen increasing agent, a natural antibacterial plant extract, a seaweed-aloe compound gel carrier, modified calcium oxide and a binding agent; the slow release layer is composed of the following substances: nitrogen fertilizer, phosphate fertilizer, potassium fertilizer, microelement fertilizer, the chemical oxygen increasing agent, the natural antibacterial plant extract, modified beta-cyclodextrin and the balance of the binding agent; and the envelope layer is alcohol-soluble macromolecule resin. The multifunctional fertilizer disclosed by the invention has the functions of bacterium resistance, oxygen increase, immunity enhancement and slow release. The multifunctional fertilizer disclosed by the invention has the advantages that an antibacterial ingredient is utilized as a carrier of fertilizer, an oxygen increasing ingredient and the like and has antibacterial, oxygen-increasing and slow-release effects; and the antibacterial carrier is a substance harmless to the environment and human body.

The invention provides a novel sow feeding method. According to the method, each sow is divided into four different physiological stages including the first half period of gestation, the latter half period of gestation, the suckling period and the weaning estrualization stage, and corresponding fodder is fed at each stage in a matched mode. By the adoption of the method, the problems of sow constipation, poor mammogenesis, great weight loss after weaning and long dioestrus are effectively solved, the problems that the birth weight of piglets is small, uniformity is poor, the weaning weight is low and the rate of survival is not high are also solved, and thus the rate of survival of the piglets at the nursing period and the use efficiency of the sows can be better improved.

The invention discloses a low-alloy-steel welding rod for welding of maritime work rack steel Q690. The low-alloy-steel welding rod comprises welding core and a coating. The coating comprises the following raw materials of, by mass, 15%-25% of fluorite, 2%-5% of silicon micro powder, 3%-6% of rutile, 6%-12% of iron powder, 0.3%-0.7% of CMC, 0.5%-0.8% of sodium carbonate, 0.5%-0.7% of alginate, 7%-10% of a mixture of manganese alloy, chromium alloy and molybdenum alloy, 6%-7% of nickel powder, and the balance marble. The welding core comprises the following components of, by mass, 0-0.10% of C, 0.35%-0.60% of Mn, 0-0.03% of Si, 0-0.20% of Cr, 0-0.30% of Ni, 0-010% of S, 0-0.015% of P, 0-0.20% of Cu, and the balance Fe and unavoidable impurities. The low-alloy-steel welding rod meets the chemical component requirements of matching of the maritime work rack steel Q690 and the low-alloy-steel welding rod, deposited metal keeps high strength, low-temperature impact toughness is improved, the surface of the welding rod is smooth, the yield is high, eccentricity is stable, and all-position welding performance of the welding rod is good.

The invention belongs to the field of microbes, and particularly provides a microbial composition for preventing and treating bacterial wilt of tobacco. The microbial composition is formed by combining three actinomyces bacteria of streptomyces microflavus CGMCC (China General Microbiological Culture Collection Center) 12841, streptomyces albidoflavus CGMCC 12842 and streptomyces pratensis CGMCC 12843 and one pseudomonas aeruginosa. The microbial composition can be used for effectively preventing and treating the bacterial wilt of the tobacco, is used for ameliorating the agronomic traits of the tobacco, adjusting the proportion of a beneficial microbe in soil and improving the yield of the tobacco and the proportion of superior cigarette. In addition, the invention also provides a culture method of the microbial composition.

The invention discloses an online-controllable-atmosphere feedback device for preparing glycolaldehyde by using synthesis gas and an application thereof, and belongs to the technical field of glycolaldehyde production. The device comprises a gas control system A, a pressurization system B, a reaction kettle system C, an analysis system D and a central processing system E. The device solves the technical problems of a conventional high pressure reaction device for preparing glycolaldehyde by using synthesis gas: 1, the raw material gas proportion is relatively fixed, the change period is long, and the raw material gas proportion cannot be adjusted targetedly according to a rhodium precursor component; 2, the reaction evaluation data analysis period is long, and adjustment and change of the raw material gas proportion of the reaction process cannot be timely fed back and guided; and 3, gas ways are frequently dismantled, potential safety hazards are increased, and the work is tedious.

This invention discloses a method for preparing Mg (OH) 2 thin film with flower-like microstructure. The method comprises electrolyzing Mg(NO3)2 and NaAC aqueous solutions using ionic liquid as the additive by cathode electrodeposition to obtain Mg(OH)2 thin film with flower-like microstructure. The Mg (NO3)2 and NaAC concentrations in the electrolyte are 0.1-0.2 mol/L and 0.025-0.2 mol/L, respectively. The ratio of Mg (OH) 2 with flower-like microstructure in the thin film is 5-100% by changing the NaAC concentration in the electrolyte. The method has such advantages as easy operation, low energy consumption and low preparation temperature (room temperature).

The invention relates to a video generation method and device. The method comprises the steps of obtaining a target image frame in a to-be-processed video; in response to a received editing instruction for the target image frame, editing the proportion of the target image frame to obtain a video cover of the to-be-processed video; and synthesizing the video cover and the to-be-processed video to obtain a target video. According to the method, the proportion of the video cover can be adjusted, so that the target video with different proportions of the video cover and the to-be-processed video can be synthesized, and the flexibility is improved.

The invention provides a periodic SiO2 flaky nano structure. The length of the periodic SiO2 flaky nano structure is 125-130 mu m, the width of the periodic SiO2 flaky nano structure is 65-70 mu m, the tail end of the periodic SiO2 flaky nano structure is provided with 4-5 sawteeth, the surface of the periodic SiO2 flaky nano structure is of a periodically distributed strip-shaped structure, and the distribution period of the strip-shaped structure is 2.6-3 mu m. The invention also provides a preparation method of the periodic SiO2 flaky nano structure. The periodic SiO2 flaky nano structure is prepared by utilizing a sol-gel method by taking a butterfly wing as a template and tetraethoxysilane as a raw material. The periodic SiO2 flaky nano structure can be subjected to large-scale preparation on a glass slide, has the characteristics of good periodicity and regular topography, and can be applied to special gratings or other optical devices and the like in the field of optics.

The invention relates to a middle-strength near-alpha titanium alloy which is characterized by comprising the following chemical compositions by weight percentage: 5.0 to 7.0 percent of Al, 1.0 to 3.0 percent of Mo and the rest percent of Ti and inevitable impurities. Mo-containing metal powder or Al-Mo master alloy powder and other raw materials are used to prepare materials according to the compositions, and are mixed evenly to prepare electrodes; the materials are repeatedly smelted by vacuum consumable electroarc into cast ingots; the cast ingots are cogged by an air hammer or a hydraulic press after being heated, and are repeatedly processed into titanium alloy semi-finished products such as a plate, a tube, a cake, wire material, and the like by the air hammer, the hydraulic press, an extruding press or a rolling mill, and the like. The near-alpha titanium alloy has the strength level Rm of more than or equal to 800MPa with A being more than or equal to 12 percent, has good welding performance, technological properties and corrosion resistance can be processed into products such as the plate, the tube, the cake, the wire material, and the like and has low cost.

The invention discloses an automatic paint mixing method for coating an aluminum profile with fluorocarbon. The method comprises the following steps: a first solvent for a to-be-sprayed paint is diluted to optimum viscosity so as to form a first diluted paint; a second solvent for the to-be-sprayed paint is diluted to optimum viscosity so as to form a second diluted paint; the using amount of the paint required by an object to be coated is set; the air temperature in a spraying room is measured in real time; according to the air temperature, the mixing ratio of the first diluted paint and the second diluted paint is calculated; according to the using amount of the paint and the mixing ratio, the first diluted paint and the second diluted paint are extracted respectively; mixing treatment is performed on the extracted first diluted paint and second diluted paint; after the extracted first diluted paint and the extracted second diluted paint are mixed uniformly, the object to be coated is coated with the mixture. The invention further discloses an automatic paint mixing system for coating the aluminum profile with the fluorocarbon. Through the adoption of the method and system, the air temperature and humidity in the spraying room are measured in real time, so that the regulation of the ratio of the diluted paints is achieved, the integration of paint mixing and spraying is achieved, the matching ratio of solvents is accurate, and the using amount of the diluted paints is accurate.

According to the aluminum foil for the ultrathin high-strength 10-micron double-sided light lithium battery and the production process of the aluminum foil, the optimal process route of the aluminum foil for the 10-micron double-sided light lithium battery is determined by controlling blank casting chemical components, improving a hot rolling production process and a cold rolling production process and performing groping tests on an aluminum foil rolling process, a slitting process and a corona process; according to the aluminum foil manufactured through the technology, the thickness is 10 microns, the tensile strength is larger than or equal to 260 Mpa, the ductility is 2% or above, the plate shape collapse amount is smaller than or equal to 8 mm, the surface wettability is larger than or equal to 33 Dyne, the product surface quality, the plate shape quality, the trimming quality and the surface wettability are excellent, the requirements of domestic and overseas high-end battery foil customers are met, the technology is reliable, production is stable, and the domestic advanced level is achieved.

The invention provides a surface modification method of a NiTi alloy martensitic root canal file. According to the method, a metal coating is deposited on the surface of the root canal file by use of a magnetic sputtering process; annealing treatment is performed under the conditions that a vacuum degree is not lower than 10<-3>Pa and the temperature is 600-900 DEG C, so that the metal elements of the coating are diffused to enter a martensitic root canal file substrate, the surface of the root canal file is a parent phase at the operating temperature, and martensite is formed inside the root canal file. The surface modification method is provided mainly for solving the problems of low strength and non-ideal cutting efficiency of the NiTi alloy martensitic root canal file. The surface modification method is also used for solving the problem of low bonding strength between the coating and the substrate of the root canal file. The surface modification method is simple in process, and low in requirements on equipment; the prepared root canal file has the advantages of high cutting efficiency, high fatigue resistance and the like.

The invention relates to a controllable slow-release green gel based on alkyl polyglycoside, and a preparation method and application of the gel. According to the gel, a natural high-molecular polysaccharide derivative is used as a framework; an alkyl polyglycoside (APG) microemulsion is coated with a gridding of a natural high-molecular polysaccharide derivative; the natural high-molecular polysaccharide derivative is obtained by in-situ release and cross-linking of a natural high-molecular material under the action of a hydrogen ion releasing agent and a calcium source; and the APG microemulsion comprises an oil phase, a water phase and a surfactant. According to the invention, the specific microemulsion is carried in the gel system, and a hydrophobic drug is solubilized in the microemulsion, so that the defect that hydrophobic drugs are not easy to carry is avoided. The microemulsion is constructed by using the green surfactant which can be completely degraded, so that the drug carrying quantity of the system can be increased, and the environment friendliness and the biological compatibility are also increased. Through the formed gel system, the slow release of the drug in a controllable period can be realized through the adjustment of the raw material proportion.

The invention relates to a phosphate controlled-release fertilizer with a sterilizing effect and a preparation method thereof. The fertilizer is prepared from the following raw materials by molar percent: 30-60% of P2O5, 15-40% of K2O, 1-15% of CaO, 1-10% of MgO, 1-10% of Fe2O3, 1-10% of MnO2, 1-10% of CuO, 0.1-10% of Y2O3, 0.1-10% of Sm2O3 and 0.1-10% of La2O3, wherein the sum of P2O5 and K2O is 50%-80%, and the sum of Y2O3, Sm2O3 and La2O3 is 2%-7%. The preparation method comprises the following steps: weighing, mixing, smelting, pouring, ball-milling and packaging. The fertilizer has the characteristics of less dosage and high and long fertilizer efficiency, is not easy to run off, cake and deteriorate, and is convenient for application, storage and transportation; and the required release amount is achieved through controlling the dissolution rate and granularity of a glass fertilizer.

The invention discloses a fast feeding device used for concrete batching. The fast feeding device used for concrete batching comprises a base, a feeding shell is integrally formed on the base, and a material inlet supporting frame is disposed inside the feeding shell. The concrete batching feeding device designed by the invention can rotate a box to freely rotate during working and be matched witha moving pipeline so as to freely convey raw materials within a moving range, the sprinkling angle of the raw materials can change in the conveying process, and thus the phenomenon that the raw materials are excessively gathered and piled and are difficult to stir uniformly is avoided. When a plurality of the fast feeding devices are adopted to convey different raw materials separately and the raw materials can be mixed to a certain degree in the feeding process during mutual mixing and sprinkling, thus the concrete uniform mixing time is shortened greatly; and the rotating speeds of second augers of all the feeding devices which are used for conveying the different raw materials can be adjusted so as to accurately adjust the batching proportions of the raw materials, and thus concrete batching is more accurate.

The invention discloses a method for changing flower shape, which is characterized in that the cultivation medium is prepared from bark, rotted leaf, broken bricks, honeycomb briquet slag, coconut bran and pinecone (scale) at a ratio of (2-4):(1-3):(0.5-2):(05-1.5):(0.5-1.5):(0.5-1.5); and the cultivation method comprises the following steps: watering with room-temperature cool boiled water; leaving three strong buds at the time of thinning buds, spraying 60-90mg/L of paclobutrazol (PP333), 80-100 mg/L of succinic acid 2,2-dimethylhydrazide (B9) and 30-50 mg/L of chlorocholine chloride (CCC) once when the leaves grow to 30-40 cm, wherein the spraying interval is 9-11 days; and spraying 60-80 mg/L of gibberellin (GA3) to the flower stalks 1-2 times when the flower stalks grow to 5-7 cm, and spraying 60-80 mg/L of dwarfing agent when the flower stalks grow to 50-55 cm. By adopting the method, the ornamental value of Cymbidium hybrid is increased.