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3258results about How to "Reasonable ratio" patented technology

Electrothermal film and manufacturing method thereof

The invention relates to an electrothermal film and a manufacturing method thereof, belonging to the technical field of semiconductor heating. The electrothermal film is mainly prepared by adopting stannic chloride, titanium tetrachloride, stannic chloride, titanium trichloride, ferric chloride, antimony trichloride, calcium chloride, potassium chloride, cadmium chloride, stannic dioxide, stannictetroxide, hydrofluoric acid, boric acid, ethanol, isopropyl alcohol and inorganic water. By adopting the above formula, the mixture is mixed, stirred and heated to prepare into electrothermal film treating fluid, a semi-finished product of the electrothermal film is obtained by spraying the electrothermal film treating fluid at negative pressure on the electrothermal film carrier, and then silveroxide slurry is coated on the semi-finished product of the electrothermal film for baking to form a finished product of the electrothermal film. The electrothermal film has reasonable proportion andsimple manufacturing process, can be manufactured into various electrothermal film heating devices, has a working temperature capable of being up to 500 DEG C, and has wider application range. The electrothermal film of the invention also has the function of far infrared radiation, can play a role of physical therapy and health care to human body, and can help improve the quality and output of agricultural products.
Owner:GUANGDONG HALLSMART INTELLIGENCE TECH CORP LTD

Compound liquid fertilizer with high suspension degree, and preparation method and application thereof

The invention discloses a compound liquid fertilizer with high suspension degree, and a preparation method and an application thereof, and belongs to the liquid fertilizer industry field. The preparation method comprises the steps: adding macromolecule organic sugar into a clay material to be used as a basal suspending agent I, and carrying out first suspension chelation of a major element and a trace element at the temperature of 40-60 DEG C; followed by controlling the temperature at 20-30 DEG C, slowly adding a plant growth regulator and a surface active material, fully mixing uniformly, finally adding macromolecule cellulose and an analog thereof as a suspending agent II, carrying out second suspension chelation, and fully stirring to obtain the compound liquid fertilizer with high suspension degree. The prepared compound liquid fertilizer with high suspension degree has comprehensive nutrients, high content, low cost, good liquidity, good stability and good dissolvability, and is beneficial for crops to efficiently absorb and utilize. The preparation method is simple in process and easy to implement. The compound liquid fertilizer is an ideal fertilizer source for water and fertilizer integration for drip irrigation, sprinkler irrigation, water flushing and the like.
Owner:SOUTH CHINA AGRI UNIV +1

High-concentration full-nutrition functional suspension liquid fertilizer and preparation method thereof

The invention discloses high-concentration full-nutrition functional suspension liquid fertilizer and a preparation method thereof. 1-5 parts of functional additive, 40-60 parts of major element fertilizer, 1-5 of medium element fertilizer, 0.5-2.5 parts of trace element fertilizer, 0.5-2.5 parts of suspension agent and 20-40 parts of water are homogeneously emulsified and evenly mixed in a specific order to prepare the product. The obtained suspension liquid fertilizer is rich in nitrogen, phosphorus, potassium and medium and trace elements and has comprehensive nutrients and a reasonable ratio, and sufficient nutrients can be provided for different stages of plant growth. The functional additive contained in the product has the functions of positively promoting the plant growth and conditioning the soil, the physiological metabolism of plants can be stimulated, the stress resistance can be enhanced, the body immunity can be improved, the soil structure can be improved, the utilization rate of various nutrients by the plants can be increased, the yield of crop products is increased, and the quality of the crop products is improved. The fertilizer is fully water-soluble, good in fluidity and suitable for an integrated irrigation system of water-soluble fertilizer; the fertilizer is produced under normal temperature and normal pressure, the equipment is simple, large-scale production is easily achieved, and the labor degree is reduced.
Owner:YUNNAN YUNTIANHUA

Diamond bead string and manufacturing method thereof as well as rope saw without base body supporting layer

The invention discloses a diamond bead string and a manufacturing method thereof as well as a diamond bead string rope saw without a base body supporting layer. The manufacturing method of the diamond bead string comprises the following steps of: uniformly mixing metal powder, diamond and an organic binding agent; manufacturing a rough blank of the diamond bead string through a pre-hot-pressing modeling or metal injection molding (MIM) process; and obtaining a finished product of the diamond bead string by placing the rough blank in a high-temperature furnace for one-step sintering modeling process after degreasing. The manufacturing method of the diamond bead string provided by the invention can be used for sintering the rough blank in one step to form an entire cylindrical bead string without a bead string base body layer; the external diameter of the bead string becomes smaller, so that the bead string can be directly stringed into a steel wire rope to obtain a diamond rope saw with a smaller external diameter; the bead string is molded through one step without a last-stage permeation process, so that the production cost of the diamond bead string is greatly reduced. Furthermore, the diameter of the diamond rope saw is smaller, and a cutting seam of a stone material to be cut is smaller, so that the yield of rough stone block is improved. The manufacturing method of the diamond bead string is beneficial to large-range popularization and utilization of the diamond rope saw.
Owner:XIAMEN ZL DIAMOND TECH CO LTD

Silicon carbide carbonized complex phase ceramic sealing material and preparation method thereof

InactiveCN101591169AImproved dry friction propertiesGood self-lubricating performanceWater basedHigh density
The invention relates to a silicon carbide carbonized complex phase ceramic sealing material, which comprises the following component in portion by weight: 100 portions of silicon carbide powder, 0.1 to 1 portion of boron carbide, 5 to 30 portions of carbon powder, 0.5 to 3 portions of binding agent PVA, and 0.5 to 1.5 portions of dispersing agent. A preparation method comprises the following steps in turn: (1) blending the raw materials in proportion and then adding the mixture into deionized water, and after ball milling and mixing, preparing the mixture into a water-based silicon carbide composite slurry of which the solid phase weight content is between 40 and 60 percent; (2) adopting a spraying granulating process to perform spray drying on the slurry to obtain silicon carbide granulated powder; (3) adopting a two-step mode of 140 MPa dry pressing pre-compaction and 200 MPa isostatic cool pressing final compaction to carry out forming on the granulated powder to obtain a high-density sealing material blank; and (4) putting the blank into a vacuum pressureless sintering furnace, raising the temperature to between 2,000 and 2,100 DEG C, keeping the temperature for 1 to 1.5 hours, and sintering the blank to obtain the silicon carbide carbonized complex phase ceramic sealing material.
Owner:东新密封有限公司

Long-acting special fertilizer for oil-tea camellia and preparation method thereof

The invention relates to a long-acting special fertilizer for oil-tea camellia and a preparation method thereof. The long-acting special fertilizer is characterized in that: the fertilizer is prepared from the following raw materials in percentage by weight: 31.3 to 42.9 percent of nitrogen fertilizer, 8.5 to 8.7 percent of phosphate fertilizer, 26.7 to 32.0 percent of potassic fertilizer, 2.6 to 5.1 percent of medium-micro fertilizer, 10 to 15 percent of organic additive and 4 to 19.4 percent of controlled release additive. The special fertilizer for the oil-tea camellia is produced according to the absorption characteristics of the oil-tea camellia on N, P and K, is suitable for the absorption of N, P and K by the oil-tea camellia, has reasonable proportion and long fertilizer efficiency period, can be used as base fertilizer and additional fertilizer, has high nutrient utilization rate, and is safe and environment-friendly; the special fertilizer can remarkably improve the utilization rate of nitrogen, the increasing range is over 8 percent, and the fertilizer efficiency period is as long as 90 to 150 days; and under the same nutrient condition, the special fertilizer can increase the yield of oil-tea camellia fruits by about 10 percent, can remarkably promote the quality of the oil-tea camellia fruits, and promotes the oil content by over 0.6 percent.
Owner:广东新大地生物科技股份有限公司 +1

Fermented liquid pasty fertilizer and preparation method thereof

The invention discloses fermented liquid pasty fertilizer which relates to the technology of utilizing fermented liquid for producing pasty and organic compound fertilizer, in particular to a method mixing fermented liquid of livestock manure with humic acid raw materials to prepare the pasty fertilizer and the application of the method, belonging to the technical field of novel organic fertilizer and the cyclic utilization of the resource of agricultural wastes. The pasty fertilizer includes the main component of fermented liquid, and is additionally provided with carbamide, diammonium phosphate, lemery, aminated wood coal, thickening agent and other additives; and the carbamide, the diammonium phosphate, the emery, the aminated wood coal, the thickening agent and the other additives are added to and uniformly mixed and stirred with the fermented liquid, and the mixture is pulverized to form a pasty shape. The invention which utilizes the fermented liquid to prepare the pasty fertilizer turns the wastes into resources, the preparation method is easy, and required equipment is simple, thereby the invention is easy to be easily popularized and applied to the fertilizer industry. The pasty fertilizer has the advantages of favorable dissolvability, full nutrition and obvious effect of yield and quality improvement and can be widely applied to vegetables, fruits, foodstuffs, forests and various cash crops.
Owner:INST OF SOIL & FERTILIZER SHANDONG ACAD OF AGRI SCI

Wheel disc forging and manufacturing method thereof

The invention discloses a wheel disc forging and a manufacturing method thereof and belongs to the technical field of mechanical manufacture. The manufacturing method further optimizes material components, controls the upper limits of C and Mn content, improves Ni content, reduces content of harmful P and S, reduces Si content and temper brittleness of Mn, utilizes an electroslag remelting process so that the purity of molten steel is improved, and utilizes post-forging heat treatment comprising two normalizing processes so that materials are further homogenized and grains are fined. Raw materials adopted by the manufacturing method comprise C, Mn, Si, P, S, Cr, Ni, Al, Cu and Fe. The manufacturing method comprises the following steps of electrode blank smelting, electroslag remelting smelting, steel ingot annealing, steel ingot forging, post-forging heat treatment, property heat treatment, and property and microstructure examination. The wheel disc forging obtained by the manufacturing method and the manufacturing method have the advantages that a ratio of chemical components is reasonable; material purity is high; forging effects on the core are good; density of the metal microstructure is good; and the problems that a wheel disc forging obtained by the existing manufacturing method is unqualified in the forging flaw detection and a mechanical property especially such as a material ductile-brittle transition temperature does not satisfy the requirement are solved.
Owner:TONGYU HEAVY IND

Method for utilizing hickory producing and processing waste to prepare black mushroom cultivation material

The invention discloses a black mushroom cultivation material. The cultivation material is characterized by using hickory branch chips, nutshell chips and husk chips as main raw materials, and using bran, bean cake, calcium superphosphate, gypsum powder and the like as auxiliaries, wherein the water content is 63-65%. The invention further discloses a manufacturing method of the cultivation material. The manufacturing method and the cultivation material have the following advantages: 1, the hickory branch chips, the nutshell chips and the husk chips are insolate by sunshine, secondarily fermented or piled up to be aged, so that the toxic bacteriostats are degraded, and the macromolecular substances such as lignin and cellulose are decomposed to simple substances which are beneficial to absorb by black mushroom hypha, and the growth of the black mushroom hypha can be promoted; 2, the cultivation material proportion is reasonable, the bacterial material is good in breathability, the water-retaining property is strong, the effective mushroom quantity is a lot, the yield is high, and the biological efficiency is up to 130.3-142.6%; 3, the preparation method provides a solution for innocent treatment of hickory branch, nutshell and husk, and provides a new substrate for cultivating the black mushroom.
Owner:邬方成

Ceramic formula and preparation method for ceramic product

The invention provides a ceramic formula, comprising, by weight, 55 to 65 parts of clay, 20 to 30 parts of a flux and 15 to 23 parts of a fluxing agent, wherein the clay is a mixture of purple sandshale and china clay mixed according to a weight ratio of 0.67 to 2.0, the flux is shale, and the fluxing agent is one or more selected from the group consisting of limestone, calcite, diopside, wollastonite, dolomite, talcum and industrial waste residue. A preparation method for a ceramic product comprises the following steps: weighing the clay, the flux and the fluxing agent according to the formula, carrying out crushing and screening with a 250-mesh sieve, wherein the weight of screen residue is 1 to 1.5%, adding water, carrying out blending to obtain slurry and then carrying out drying and granulation so as to obtain powder; grading particles and then carrying out molding so as to prepare a green body; carrying out drying so as to prepare a dry body; and carrying out firing so as to prepare a seasonal ceramic body. According to the ceramic formula and the preparation method for the ceramic product in the invention, raw materials are cheap, process is simple, firing temperature is reduced, production cost is decreased, investment for production equipment is lowered down, production efficiency is improved, and energy consumption is reduced.
Owner:怀化市亿智陶瓷有限公司

Method for manufacturing high-strength magnesium alloy solder wire

The invention relates to a preparation method of a high-intensity magnesium alloy soldering wire, which adopts alloy agent magnesium, aluminum, zinc, yttrium, magnesium-manganese intermediate alloy and aluminium-silicon intermediate alloy as raw materials. In a vertical melting furnace, through being melted at 700 DEG C, rare-earth element yttrium is added at 800 DEG C and is refined at 760 DEG C, with a covering agent and a refine agent being added, through constant temperature, thermal retardation and stewing, then magnesium alloy molten liquid is made; through casting a mould, magnesium alloy ingot is made; through cooling, cutting and forming, and then thermoplastic extruding, in the end, the high-intensity magnesium alloy soldering wire is made; the yttrium element, the magnesium-manganese intermediate alloy and aluminium-silicon intermediate alloy can greatly improve the intensity, the malleability and the solderability of the magnesium alloy soldering wire; the preparation technology is refined, the mixture ratio is reasonable, the environment pollution does not exist; the outcome of a magnesium alloy soldering wire metallic phase has uniform structure and good compactability, the average grain size is 25microns, the tensile strength can reach 330MPa, the elongation percentage can reach 25 percent and can be improved by 18 to 28 percent compared with the prior art, and the solderability is good.
Owner:TAIYUAN UNIV OF TECH
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