25results about How to "Reasonable ratio" patented technology

The utility model discloses a static emulsification integrated device for M-type emulsion explosives. The static emulsification integrated device is formed by connecting and combining a water phase tank (12), an oil phase tank (13), a water phase delivery pump (14), an oil phase delivery pump (15), two mass flowmeters (16), a venturi tube (17) and a multi-stage jet flow static emulsifier (G), the multi-stage jet flow static emulsifier (G) is formed by combining an SK type static mixing pipe (1), an SK type static mixing unit (2), a first jet flow perforated plate (3), a jet flow emulsifying pipe (4), a forward spiral blade (5), a second jet flow perforated plate (6), a diaphragm type pressure gauge (7), a reverse spiral blade (8), an SV type uniform emulsion mixing pipe (9), an SV type uniform emulsion mixing unit (10) and a pressure relief pipe (11). The device disclosed by the utility model integrates SK type static mixing, multi-stage jet emulsification and SV type uniform emulsion mixing, and has the characteristics of good emulsification effect, high productivity, stable product quality, constant working pressure, high production line safety and excellent product performance index.

The invention provides a cast iron release agent and a preparation method and application thereof. The cast iron release agent comprises the following raw materials in parts by weight: 10-13 parts of coking plant fly ash, 3-6 parts of bentonite, 3-6 parts of pyrophyllite and 75-88 parts of water. According to the cast iron release agent, the fly ash of a coking plant is used as a raw material, the production cost is low, meanwhile, the environmental protection pressure of the coking plant is relieved, and the purposes of reducing cost and improving efficiency are achieved; the cast iron release agent is good in integrality and long in service life, and can be effectively attached to the inner surface of a casting mold, so that an effective isolation layer is formed between molten iron and the casting mold, a cast iron machine can demold without additional knocking, a cast iron ingot is smooth in surface and low in iron loss, the cast iron cost is reduced, and the application prospect is wide.

The invention provides a quick-acting anti-alcoholism composition and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine compositions. The quick-acting anti-alcoholism composition disclosed by the invention is prepared from the following components in parts by weight: 35-45 parts of a silibinin extract, 5-15 parts of a curcumin extract, 5-15 parts of a radix puerariae extract, 1-5 parts of piperine and 1-5 parts of corn oligopeptide. The biocompatibility and the absorption speed are increased by combining and proportioning the effective substances and preparing the nano-liposome, so that the aim of quickly dispelling the effects of alcohol is fulfilled.

The present application relates to the technical field of wrapping film, and discloses a processing technology of puncture-resistant high-strength wrapping film, comprising the following specific steps: S1, proportioning preparation of ingredients: the proportioned PE raw material is placed in a first ingredient box, and the tackifying master batch is introduced into a weighing box to control the proportion of each; S2, mixing of wrapping film raw materials: the proportioned PE raw material and tackifying master batch are introduced into the machine body through a material guide plate, when the tackifying master batch needs to be proportioned and then enters the machine body for stirring, first start the closing motor, the operation of the closing motor drives the first bidirectional screw rod to rotate, the first bidirectional screw rod drives the second bidirectional screw rod to rotate, and the gravity sensor is used to weigh the tackifying master batch falling in the weighing box, so that the raw materials of the wrapping film are reasonably proportioned, and the participation of personnel in the production process is reduced.

The invention provides a water fertilizer for preventing the bending phenomenon of cut-flower roses as well as a preparation method and application of the water fertilizer, and belongs to the technical field of fertilizers. Comprising the following components: potassium nitrate, monopotassium phosphate, calcium nitrate terahydrate, ammonium dihydrogen phosphate, calcium sulfate, magnesium sulfate heptahydrate, chelated zinc, borax, sodium bicarbonate, chelated iron, chelated manganese, chelated copper and sodium molybdate dehydrate. The preparation method of the water fertilizer for preventing the bending phenomenon of the cut-flower roses is simple, quick in effect, low in cost, environment-friendly and safe, and the growth and development process of the cut-flower roses is accurately regulated and controlled by guaranteeing normal water fertilizer supply. The occurrence rate of the bending phenomenon of the cut-flower roses is obviously reduced, the quality of the cut-flower roses is effectively improved, and the quality improvement and efficiency improvement of the industry are promoted.

This invention discloses a fermentation agent for treating agricultural ecological solid waste, its preparation method, and its application, belonging to the field of microbial technology. The fermentation agent of this invention comprises compound functional bacteria, soybean meal, molasses, disodium hydrogen phosphate, corn straw powder, and a preservative. The compound functional bacteria include *Bacillus subtilis*, *Trichoderma helicola*, and *Bacillus bellis*. This invention uses a compound of three strains—*Bacillus subtilis*, *Trichoderma helicola*, and *Bacillus bellis*—in a specific ratio to synergistically accelerate the decomposition of straw, effectively shortening the fermentation cycle and improving the decomposition effect. This agent can efficiently degrade agricultural ecological solid waste, converting it into high-quality organic fertilizer, thus turning waste into treasure. It solves the problem of agricultural solid waste pollution and saves fertilizer resources, demonstrating significant ecological, economic, and social benefits.

The present application relates to the technical field of high polymer composite material, and especially to a co-extrusion fabric, a preparation method and application thereof, and is especially suitable for the field of steel-plastic composite floor which is strict in size stability and mechanical property requirement, such as building decoration, industrial floor, outdoor paving, etc., the co-extrusion fabric comprises the following raw material components in parts by weight: polyethylene: 40-70 parts; elastomer: 20-50 parts; compatibilizer: 3-10 parts; inorganic mineral: 5-10 parts; antioxidant: 0.1-1 part; lubricant: 0.5-1 part; a low-shrinkage, anti-warping polyethylene composite zinc-aluminum-magnesium alloy steel-plastic floor co-extrusion fabric is provided, by optimizing the raw material ratio, selecting special compatibilizer and inorganic mineral filler, the efficient compatibility of polyethylene, elastomer and inorganic filler is realized, the polyethylene crystalline morphology is controlled, the material shrinkage is greatly reduced, the hidden danger of warping deformation is eliminated, and the mechanical strength, toughness and weather resistance of the material are improved.

The present application provides a diamond composite material for binder jetting and an additive manufacturing method thereof, which belongs to the field of additive manufacturing technology. The diamond composite material for additive manufacturing includes diamond powder and Mn-(10.5-13.5 wt%)Si alloy powder, wherein the content of the Mn-(10.5-13.5 wt%)Si alloy powder is 15-45 vol.% of the diamond powder; the additive manufacturing method includes first printing a diamond composite green body using a binder jetting additive manufacturing technology, and then obtaining a high-density diamond composite sintered part by a degreasing-sintering process. The Mn-(10.5-13.5 wt%)Si alloy powder introduced in the present invention has a lower sintering temperature, good wettability with diamond particles, and can undergo metallurgical reaction during high-temperature sintering to form a carbide layer to ensure stable bonding, and sufficient liquid phase during the sintering process, which is conducive to significantly improving the density and mechanical properties of the diamond composite printed-sintered parts.

The application relates to the field of advanced structural ceramics, and particularly discloses a gel injection molding method for preparing high-performance silicon nitride ceramics and a preparation method thereof. Raw materials include beta-SiN submicron powder 75 parts, YO submicron powder 8 parts, TiC submicron powder 5 parts, AlO superfine powder 5 parts, ZrO submicron powder 2 parts and wollastonite 5 parts in terms of mass ratio, a complex whisker regulator and an entry liquid are used, and ceramics are prepared through gel injection molding, dehydration, degreasing and gas pressure sintering. The grain morphology and interface combination are optimized through the whisker regulator, the slurry dispersion and the green body uniformity are improved through the entry liquid, and the product has a density greater than or equal to 99%, a Vickers hardness greater than or equal to 1700HV and a bending strength greater than or equal to 930MPa through 1700-1850 DEG C. gas pressure sintering, and the product has high density, high hardness, high toughness, wear resistance, corrosion resistance and long service life.

The invention discloses a bio-based thermoplastic elastomer as well as a preparation method and application thereof. The bio-based thermoplastic elastomer comprises the following raw materials in parts by weight: 100 parts of bio-based rubber, 80-200 parts of bio-based polyolefin resin, 70-130 parts of a biomass plasticizer, 10-50 parts of an auxiliary agent and 1-10 parts of a composite cross-linking agent, the biomass plasticizer comprises one or more of soybean oil, coconut oil, linseed oil and palm oil; the composite cross-linking agent is prepared from one or more of tert-butyl peroxyisopropyl carbonate, sulfur, phenolic resin, bismaleimide, diphenylsilanediol, triallyl cyanurate and 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane, and the composite cross-linking agent is prepared from one or more of diphenylsilanediol, diphenylsilanediol, triallyl cyanurate and 2, 5-dimethyl-2, 5-bis (tert-butylperoxy) hexane; the bio-based thermoplastic elastomer has excellent high and low temperature performance and sealing performance, and also has the advantages of aging resistance, weather resistance, high mechanical strength and the like.

The invention discloses a traditional Chinese medicine compound composition for preventing and treating liver injury as well as a preparation method and application thereof. The compound composition comprises verbena, alfalfa, Chinese ladiestresses root, hairyvein agrimony, fingered citron, malt and hyperforin perforatum. The traditional Chinese medicine composition is simple in composition and reasonable in proportion, and animal experiments prove that the traditional Chinese medicine composition can improve the liver function, relieve liver inflammation injury, inhibit liver cell necrosis and fatty degeneration, inhibit oxidative stress and resist lipid peroxidation injury and has good prevention and treatment effects on liver injury, cholestatic liver diseases and the like caused by drugs. And the traditional Chinese medicine composition can obviously improve the symptoms such as weakness, nausea, skin and sclera yellow staining, yellow urine, itching, stomachache, hypochondrium lumps, body emaciation and the like in the liver injury period. The medicine is simple in preparation method, convenient to take, low in price, small in side effect and good in curative effect, and provides a good choice for vast patients with hepatopathy.

The present invention provides a low-odor carboxylated styrene-butadiene latex with complete monomer reaction, high reaction conversion rate and low residual monomer content and a preparation method thereof. The latex comprises 50-60 parts of butadiene, 30-40 parts of styrene, 5-15 parts of acrylic acid, 1-3 parts of emulsifier, 1-3 parts of surfactant, 1-2 parts of initiator, 1-3 parts of alkali agent, 100-150 parts of water and 0.05-0.3 parts of redox agent; the preparation method comprises: adding the emulsifier, surfactant, alkali agent and water into a reaction kettle and dissolving them for 5-10 minutes; heating to 70-80°C, adding one-third of the initiator, and simultaneously dropping butadiene, styrene, acrylic acid and the remaining initiator, stirring continuously for 150-180 minutes, and keeping warm for 2-3 hours; adding the redox agent, and keeping warm for 1 hour; transferring to a degassing reaction kettle, introducing water vapor and nitrogen, degassing for 4-8 hours, and discharging after cooling. The present invention is applied to the field of chemical technology.

This utility model relates to the field of textile fabrics, and more particularly to a green and environmentally friendly fabric, comprising a reinforcing surface layer and an environmentally friendly base layer. A heat-melting yarn is disposed between the reinforcing surface layer and the environmentally friendly base layer. The environmentally friendly base layer is made of regenerated cellulose fibers. The top and bottom ends of the heat-melting yarn are fixedly connected to the reinforcing surface layer and the environmentally friendly base layer, respectively. The heat-melting yarn is woven from heat-melting fibers. The reinforcing surface layer is woven from fiber bundles, which include tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers. The tensile fibers, flame-retardant fibers, absorbent fibers, polyester fibers, and corrosion-resistant fibers are bundled together to form a tight structure. This invention solves the technical problems of insufficient environmental performance and functionality in traditional fabrics.

The invention discloses a formula and a preparation method of a magnesite handicraft antique dyeing solution. The formula comprises the following raw materials in percentage by weight: 100% of water, 1-2% of a penetrant, 0.3-0.5% of a permeation promoter, 0.3-0.5% of a dyeing agent, 0.1-0.3% of an adsorbent, 2-3% of a mordant and 5-8% of a coloring agent. The penetrant is nekal BX, the permeation promoter is table salt, the coloring agent is basic orange, the adsorbent is potassium permanganate, the mordant is ferric trichloride, and the coloring agent is ferrous sulfate. According to the formula and the preparation method of the magnesite handicraft antique dyeing liquid, the proportioning is reasonable, the operation is simple, and the raw materials are low in price. And the antique finishing operation is convenient, and the antique finishing effect of the artware can be achieved without other complicated mechanical equipment, so that the technological level of the artware is on the same level.

The invention belongs to the technical field of animal husbandry feeds, and particularly relates to a puffed feed raw material based on a palm meal and corn formula and a preparation method of the puffed feed raw material. In the prior art, palm meal is subjected to fermentation and other treatments and then is mixed with other materials for use, or the use amount is generally not more than 30wt%. According to the feed raw material provided by the invention, most corn raw materials are replaced by the palm meal with low cost. The feed raw materials comprise 60%-90% of palm meal and 10%-40% of corn, and the preparation method comprises the following steps: uniformly mixing the palm meal and the corn according to a certain proportion, performing curing treatment at 120-140 DEG C by a bulking machine under 1.5-2 standard atmospheric pressures, and packaging after treatment to obtain the finished feed raw materials. According to the feed raw materials and the manufacturing method thereof, the feed is rich in nutrition, low in cost, safe, environmentally friendly and simple in preparation process, and a good feed choice can be provided for healthy development of animal husbandry in China.

This invention discloses a liquefied gas storage tank and a vessel for transporting liquefied gas. The liquefied gas storage tank includes a main shielding layer that contacts the liquefied gas on one side, a secondary shielding layer disposed on the other side of the main shielding layer, and at least one liquefied gas loading / unloading tower. The base of the liquefied gas loading / unloading tower includes: a lower part of the base body fixedly connected to the bottom wall; a corrugated plate of the secondary shielding layer connected to the lower part of the base body; and a closed end at one end of at least one corrugation of the secondary shielding layer facing the lower part of the base body. An upper part of the base body has mounting holes in the main shielding layer, through which the upper part of the base body is fixedly connected to the lower part of the base body. By opening mounting holes on the flat surface of the main shielding layer to achieve the installation of the pump tower base, the integrity of the corrugated structure of the main shielding layer is fully preserved, ensuring the expansion and contraction performance of the main shielding layer in low-temperature environments and improving the low-temperature sealing reliability of the storage tank.

The invention belongs to the technical field of high polymer material modification, and relates to a high-elasticity and high-stability PVC (Polyvinyl Chloride) granule, a preparation method and application in a medical catheter. The granules are prepared from the following raw materials in parts by weight: 100 parts of PVC resin powder, 50-60 parts of a plasticizer, 5-10 parts of epoxidized soybean oil, 0.6-1.5 parts of a composite heat stabilizer, 0.4-6 parts of an elastomer, 0.4-0.8 part of a processing aid and 0.1-0.4 part of a lubricant, and the granules are obtained by pre-plasticizing the raw materials, performing melt extrusion through an extruder and performing granulation molding. A high-elasticity and high-stability medical catheter body can be obtained by carrying out melting secondary extrusion molding on the granules, a medical catheter product can be obtained by assembling the catheter body, and the medical catheter product comprises infusion, nursing or implantation intervention type medical catheters. The high-elasticity and high-stability PVC aggregate has excellent elasticity, tensile toughness, thermal stability and long-term stability, and can endow a catheter with excellent elasticity and stability when being applied to medical catheter products.

The present invention relates to a gas stove with adjustable combustion efficiency, comprising a burner, wherein the burner comprises a base, an outer ring fire cover, and an outer ring air mixing chamber is formed between the burner and the base, and a fire outlet hole is opened on the outer wall surface along the circumferential direction. The characteristic is that it also includes an adjusting member, which has an annular body, and the inner edge of the body is surrounded by a central hole for the top of the burner to pass through, and the top of the body is connected to an adjusting ring, and the adjusting ring can at least partially block the fire outlet hole area of ​​the outer ring air mixing chamber as the adjusting member moves. Compared with the prior art, the advantage of the present invention is that it provides an adjusting structure that can be adapted to the burner, the central hole of the adjusting member of the adjusting structure is for the burner top to pass through and then be installed, and the adjusting ring of the adjusting member can at least partially block the fire outlet hole of the burner, thereby achieving the speed of the mixed gas sprayed from the fire outlet hole of the burner when adjusting.

The invention belongs to the technical field of aquaculture, and relates to a nutritional feed for breeding river crabs and a preparation method thereof, the nutritional feed for breeding river crabs comprises the following raw materials by mass fraction: 30%-38% of bean dreg protein, 20%-30% of high protein powder, 7%-13% of edible mushroom concentrated feed, 5%-10% of fermented feed, 1%-5% of a phagostimulant, 0.5%-2% of a composite additive, and the balance of corn flour. The feed provided by the invention can significantly reduce the death rate of the river crabs and improve the yield of the river crabs.

The present application relates to a kind of TR assembly package high thermal conductive eutectic medium temperature solder and foil strip preparation method, belong to microelectronic system packaging field.The solder composition: Sb 10.5~12.5wt%, Sn 0.5~2.0wt%, Ag 0.1~0.5wt%, Cu 0.1~0.5wt%, Pd 0.05~0.2wt%, Ni 0.05~0.2wt%, In 0.01~0.1wt%, P0.002~0.01wt%, the balance is Pb.Its foil strip preparation method includes raw material selection and intermediate alloy preparation, non-vacuum medium frequency induction melting, fast cooling horizontal casting and isothermal rolling step.The alloy melting point is moderate, has high strength, high thermal fatigue and high thermal conductivity etc.;Alloy foil composition is uniform, IMC is small, surface is clean, and the yield is high, satisfies the multistage packaging demand of TR assembly in microelectronic system.

The invention provides a red fading composition, which is prepared from the following components in percentage by weight: 0.1 to 3 percent of inositol, 0.01 to 3 percent of saffron crocus extract, 0.01 to 1 percent of escin, 0.1 to 5 percent of butanediol, 0.1 to 3 percent of pentanediol, 0.1 to 2 percent of hexanediol and the balance of deionized water, and the sum of the weight percentages of the components is 100 percent. The invention also provides a preparation method and application of the red fading composition. The red fading composition provided by the invention has a relatively good red fading effect.

The invention discloses a method for preparing N-acetyl-L-cysteine, and relates to the technical field of amino acid preparation. The preparation method comprises the following steps: S1. adding hydrochloric acid to L-cysteine ​​to prepare an L-cysteine ​​hydrochloric acid solution, feeding the solution into the cathode chamber of an electrolytic cell, feeding sulfuric acid into the anode chamber of the electrolytic cell, performing electrolysis, obtaining a cathode liquid, performing reduced pressure concentration, cooling and crystallizing, and centrifugal filtration to obtain L-cysteine ​​hydrochloride; S2. adding acetic anhydride to L-cysteine ​​hydrochloride in an ice bath to perform an acylation reaction, adding a hydrochloric acid solution to adjust the pH value after the acylation reaction is completed, performing reduced pressure concentration, adding deionized water to dissolve the solution, filtering, cooling and crystallizing the solution, centrifugal filtration, and vacuum drying to obtain a crude N-acetyl-L-cysteine ​​product; and S3. adding deionized water to the crude N-acetyl-L-cysteine ​​product to dissolve the solution, cooling and crystallizing the solution, filtering, washing a filter cake, and drying the solution to obtain the N-acetyl-L-cysteine.

The application belongs to the technical field of superconductivity, and relates to a densified Nb3Sn superconducting wire and a preparation method thereof. The composite wire blank comprises a center rod, subunits arranged in a multi-layer annular manner outside the center rod, and an oxygen-free copper sheath wrapped outside the subunits; the subunits comprise, from inside to outside, an Nb-Ta alloy rod, a Ta tube and an oxygen-free copper tube, and a Sn source layer between the Nb-Ta alloy rod and the Ta tube. The composite wire blank is subjected to rotary swaging and multi-pass cold drawing, 2 times of on-line electric heating and ultrasonic auxiliary treatment, and rolling to obtain a multi-core wire; then, vacuum heat treatment is carried out, and the Nb3Sn superconducting wire is obtained after natural cooling. Through on-line electric heating and ultrasonic auxiliary treatment, the application promotes pre-reaction of the Sn source layer, eliminates microporous looseness, and releases processing stress, so that the prepared wire has a high critical current density.

The invention relates to cat litter and a preparation method thereof. The cat litter comprises beer malt residues, corn starch and an adhesive. The invention also provides a preparation method of the cat litter. The method comprises the following steps: mixing and stirring the beer malt residues, the corn starch and the adhesive, grinding, granulating and forming, drying and sieving powder to prepare the cat litter. The malt cat litter disclosed by the invention has excellent water absorption capacity, caking strength, deodorization effect and collapsibility, and is an environment-friendly, natural, healthy and reliable cat litter with excellent performance.

The application discloses antibacterial plastic for folders and a preparation method thereof, and relates to the technical field of antibacterial plastic, which comprises the following raw materials in mass fractions: 65-75 parts of polypropylene, 10-20 parts of low-density polyethylene and production aids; the production aids comprise the following raw materials in mass fractions: 2-4 parts of antibacterial agents, 1-3 parts of plasticizers, 2-4 parts of antioxidants, 3-5 parts of dispersants, 2-4 parts of ultraviolet absorbers and 3-5 parts of compatilizers. The raw material mass fraction ratio is reasonable, and the antibacterial plastic produced in combination with a specific production process has good bending property, tensile property and impact resistance, and the service life of the folder is improved.