Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

73results about How to "Oxidation" patented technology

Preparation method of composite adsorbing material of industrial wastewater heavy metal ions

The invention discloses a preparation method of a composite adsorbing material of industrial wastewater heavy metal ions. The composite adsorbing material comprises a carrier, functional components and catalytic components. The preparation method comprises the steps of mixing and ball-milling all components of the carrier into a corresponding grain size and mixing, mixing and preparing all components of the functional components into a solution, preparing all components in the catalytic components into suspension liquid, selecting all components in parts by weight, mixing, diluting and stirring to obtain slurry, drying and then crashing. The composite adsorbing material provided by the invention has the advantages that the adsorbing effect is good, the cost is low and the preparation is simple.
Owner:山东永辰环境科技有限公司

High-activity propylene gas-phase epoxidation catalyst and preparation method thereof

The invention discloses a high-activity propylene gas-phase epoxidation catalyst, TiO2-MoO3-Bi2SiO5 / SiO2, for preparing propylene oxide and a preparation method thereof. The catalyst is used for a propylene gas-phase epoxidation reaction for preparing the propylene oxide, which takes molecular oxygen (O2) or nitric oxide (NO) as an oxidant; reaction conditions are moderate and no inhibitor is needed; the catalyst has high catalytic activity. The catalyst takes a SiO2 mesoporous material Bi2SiO5 / SiO2 containing bismuth silicate (Bi2SiO5) as a carrier, MoO3 as an active component and TiO2 as an auxiliary agent. The catalyst comprises following components in percentage by mass: 64.6%-98.8% of the carrier Bi2SiO5 / SiO2, 1.1%-22.8% of the MoO3 and 0.1%-12.6% of the TiO2. The mol ratio of Si to Bi in the carrier Bi2SiO5 / SiO2 is 30-200. The catalyst is synthesized by using a hydrothermal method; molybdenum and titanium precursors in the active component MoO3 and the auxiliary agent titanic oxide are immersed into the carrier by an ultrasonic-assisted immersion method to prepare the catalyst.
Owner:FUZHOU UNIV

Additive of Nano alloy lubricating oil special for internal combustion engine and its making method

InactiveCN1560206AMomentum self-recovers and strengthensReduce natural wear and tearAdditivesProcess engineeringWater transport
The invention is an internal-combustion engine special nano alloy lubricant additive and its making method, using general lubricant as basal material and adding in a proper quantity of metals like Sn, In, Pb, Bi, Pt, Zn, Pd, etc to prepare nano alloy powder, portioning according to lubricant 80-90% and nano alloy powder 10-20%, heating, roll-milling, depositing, high-shear emulsifying and purifying and making a novel nano alloy lubricant additive special for internal-combustion engine, environmental-protection, energy-saving, synergistic, life-prolonging. It can be applied to various types of internal-combustion engines in various different types of motor vehicles, engineering machineries, generator sets, railway internal- combustion engines, water transport ship facilities and military power facilities, and can obviously improve the technical indexes such as power, economy, discharge, durability.
Owner:安鹰泽

Cyclic utilization and treatment method of fracturing backflow liquid

The invention discloses a cyclic utilization and treatment method of fracturing backflow liquid, relates to the technical field of fracturing reformation of oil and gas reservoirs and in particular relates to the cyclic utilization and treatment method of the fracturing backflow liquid. The cyclic utilization and treatment method comprises the following steps: removing macromolecular organic matters by utilizing microorganisms, so as to reduced COD (Chemical Oxygen Demand); adding efficient fungicide and killing bacteria in the backflow liquid; adding a metal ion removing agent, and removing divalent and trivalent metal ions in the backflow liquid; adding a deoxidant to remove residual gel breaking agent in the backflow liquid; adding a flocculating agent and carrying out flocculation and sedimentation; transferring supernatant into a clean water tank and enabling lower-layer flocculating liquid to enter a pressure filter for filtering; transferring filtrate into the clean water tank; adding a pH (Potential of Hydrogen) regulator, and inhibiting cross-linking effect of residual cross-linking agent. The method has the advantages of simple process, convenience for operation, high treatment efficiency, low cost, high field applicability and the like.
Owner:CHINA NAT PETROLEUM CORP CHUANQING DRILLING ENG CO LTD

Semiconductor ceramic and method for manufacturing the same, and laminated semiconductor ceramic capacitor with varistor function and method for manufacturing the same

A semiconductor ceramic contains a donor element solid-solved in crystal grains of a SrTiO3-based compound, and an acceptor element in a grain boundary layer. The number of tetravalent acceptor elements is 1×1017 / g or more, as determined from an electron spin resonance absorption spectrum. A mixture of a calcined powder and an acceptor compound is pulverized to a specific surface area of 5.0 to 7.5 m2 / g before mixing with a binder. Semiconductor ceramic layers having a varistor function are formed by using the semiconductor ceramic forming a highly reliable capacitor which can suppress characteristics variations to stably obtain good electrical characteristics.
Owner:MURATA MFG CO LTD

Special composite vitamin premix feed preparation for breeding poultry as well as preparation method and application thereof

The invention discloses a special composite vitamin premix feed preparation for breeding poultry. The special composite vitamin premix feed preparation for breeding poultry per 1000 parts by weight comprises the following components in parts by weight: 726.8-839.1 parts of composite fermentation fine powder of traditional Chinese medicines, 92.5-137.1 parts of vitamins, 8-15 parts of amino acid, 25-35 parts of polysaccharide, 10-15 parts of zinc methionine and 50-75 parts of dihydropyridine. One purpose of the invention aims at providing the special composite vitamin premixed feed preparation for breeding poultry, wherein the special composite vitamin premixed feed preparation has the functions of improving the feed conversion rate and the productivity of breeding poultry, restraining harmful bacteria and the like, is convenient to use and has low use cost, performance price ratio, no antibiotic residues and no antibiotic resistance, and the other purpose of the invention aims at providing a preparation method and application of the special composite vitamin premixed feed preparation for breeding poultry.
Owner:GUANGDONG MAIKETE BIOLOGICAL TECH

Organic electroluminescent element

A main object of the present invention is to provide an organic EL element which can ease damages of an organic EL layer upon formation of an electrode layer, and enables display of a high quality image. The present invention attains the above object by providing an organic electroluminescent element comprising: a substrate; a first electrode layer formed on the substrate; an organic electroluminescent layer which is formed on the first electrode layer, and has at least a light emitting layer; a semiconductor buffer layer which is formed on the organic electroluminescent layer, and contains an inorganic compound having a band gap of 2.0 eV or more and a metal; and a second electrode layer formed on the semiconductor buffer layer.
Owner:DAI NIPPON PRINTING CO LTD +1

Device and method for desulfuration and decyanation treatment of waste liquid generated in vacuum potassium carbonate desulfurization process

The invention discloses a device for desulfuration and decyanation treatment of waste liquid generated in the vacuum potassium carbonate desulfurization process.The device comprises a desulfuration and decyanation agent tank, a coagulant tank, a reaction pond, a settling pond and a catalytic oxidation reaction tank, wherein the desulfuration and decyanation agent tank and the coagulant tank are both communicated with the reaction pond, an inlet of the reaction pond is communicated with a waste liquid pipeline, and an outlet of the reaction pond is communicated with the settling pond; the upper portion of the settling pond is communicated with the coagulant tank, a sludge outlet of the settling pond is communicated with a sludge treatment system, a liquid outlet of the settling pond is communicated with the top of the catalytic oxidation reaction tank, and the lower portion of the catalytic oxidation reaction tank is communicated with an ozonator.The invention further discloses a method for desulfuration and decyanation treatment of waste liquid generated in the vacuum potassium carbonate desulfurization process.The device and method have the advantage that by additionally arranging a first aeration plate and a second aeration plate, waste liquid can fully react, the problem that the cyanide group and thiocyanate group in waste liquid exceed the standard is solved, and engineering application value is quite high.
Owner:武汉钢铁有限公司

Ampere-type biosensor for detecting benzopyrene as well as preparation method and application thereof

The invention relates to an ampere-type biosensor for detecting benzopyrene as well as a preparation method and application thereof. The preparation method of the ampere-type biosensor for detecting the benzopyrene comprises the following steps of: adding 10-20mg of nano montmorillonoid in 1-2mL of distilled water, continuously stirring for 10-15h, standing for 3-5h, and then centrifuging for 20-30min in a centrifuge with 3000-5000 revolutions per minute, taking supernatant to obtain a nano montmorillonoid suspension solution, adding 0.5-2mg of dihexadecyl hydrogen phosphate into 0.5-1ml of the nano montmorillonoid suspension solution and ultrasonically dispersing for 12-16h in a 700W ultrasonic instrument to obtain a nano montmorillonoid and dihexadecyl hydrogen phosphate dispersing solution; directly dissolving 1mg of cytochrome p4501A1 in 1mL of buffer solution with the pH value of 5.0-8.0 to obtain a cytochrome p4501A1 solution; and mixing the dispersing solution with the cytochrome p4501A1 solution in the same volume, taking 5mL of mixing solution to be coated on a substrate, and airing at room temperature to obtain the finished product. The prepared biosensor can not only realize direct electron transfer of the cytochrome p4501A1 and ensure that the bioactivity, the stability and the reproducibility are better, but also has simple operation and easily-controlled conditions.
Owner:SOUTH CENTRAL UNIVERSITY FOR NATIONALITIES

Oxygen absorber composition, oxygen absorber packaging and oxygen absorption method

In the present invention, an oxygen absorber agent composition comprises 100 parts by weight of iron powder and 0.1 parts by weight or more of a promoter comprising an alkali metal salt or alkali earth metal salt having low moisture-transportation properties. An oxygen absorber composition packaged device is prepared by packaging the oxygen absorber composition in gas permeable packaging material, and manifests oxygen absorption function for long periods of time under high humidity conditions and offers an oxygen absorber agent composition that prevent generation of rust, and using that oxygen absorber composition packaged device, oxygen in a gas barrier vessel is removed effectively even under conditions of high humidity. Preferable alkali metal salts or alkali earth metal salts have the characteristics that 5% aqueous solutions of the salts are in equilibrium with an atmosphere having a relative humidity of 99.0% or more at 25° C.
Owner:MITSUBISHI GAS CHEM CO INC

High-content alpha-linolenic acid microcapsule and manufacturing method thereof

The invention discloses a high-content alpha-linolenic acid microcapsule and a manufacturing method thereof. The microcapsule comprises a core material (an alpha-linolenic acid product with mass content of alpha-linolenic acid being no less than 80%), a wall material (starch sodium octenylsuccinate) and an emulsifier (flaxseed gum), wherein a weight ratio of the core material to the emulsifier is 100-500: 1, and a weight ratio of the core material to the wall material is 1-1.2: 0.8-1. The manufacturing method comprises the following steps: dissolving a part by weight of the emulsifier in water to prepare a solution with a concentration of 0.1 to 1.0% and then adding 100 to 500 parts by weight of the alpha-linolenic acid product into the solution; then dissolving starch sodium octenylsuccinate into water to prepare a solution with a concentration of 13 to 40%, wherein a weight ratio of starch sodium octenylsuccinate to the alpha-linolenic acid product is 0.8-1: 1-1.2; and finally mixing the two prepared solutions and carrying out emulsification, homogenization and spray drying so as to obtain alpha-linolenic acid microcapsule powder, wherein alpha-linolenic acid has high content, is hard to oxidize and has good fluidity, total fatty acids (W / W) is no less than 50%, moisture is no more than 1.2%, surface oil is no more than 2%, and alpha-linolenic acid is no less than 400 mg / g.
Owner:河北欣奇典生物科技有限公司

Super-hydrophobic CMF-TiO2-PDMS composite material, and preparation method and application thereof

The invention belongs to the technical field of CMF-TiO2-PDMS composite materials, and discloses a super-hydrophobic CMF-TiO2-PDMS composite material, and a preparation method and application thereof.The preparation method comprises the following steps: loading amorphous TiO2 on a carbonized melamine material (CMF) skeleton and carrying out high-temperature treatment to obtain crystalline CMF-TiO2; and under the action of a curing agent, subjecting polydimethylsiloxane (PDMS) to cross-linking on the surface of the CMF-TiO2 through a thermocuring method to form a film, thereby obtaining the CMF-TiO2-PDMS composite material. The super-hydrophobic CMF-TiO2-PDMS composite material can adsorb water-soluble pollutants and oil-soluble pollutants and effectively overcome the defect of poor hydrophobic stability of a traditional photo-degradation catalytic material, and also shows good durability, stability and ultraviolet oxidation resistance.
Owner:QINGDAO UNIV OF SCI & TECH

Waste gas treatment compound adsorption material preparation method

The present invention discloses a waste gas treatment compound adsorption material preparation method, a waste gas treatment compound adsorption material comprises a carrier, a functional component and a catalysis component, components of the carrier are mixed and ball-ground into a corresponding particle diameter, and then mixed, components of the functional component are mixed for preparing a solution, components of the catalysis component are prepared into a suspension, slurry can be obtained by mixing, diluting and stirring, the slurry is dried and crushed, and the waste gas treatment compound adsorption material has the advantages of good adsorption effect, low cost and simple preparation.
Owner:山东永辰环境科技有限公司

Preparation method for combustible biomass coal briquette binder

The invention relates to a preparation method for a combustible biomass coal briquette binder, and belongs to the technical field of coal briquette preparation. The preparation method comprises the following steps: taking eucalypt wood dust with high volatile contents as raw materials; firstly, carrying out alkali-heat-treatment on the eucalypt wood dust; then, mixing the eucalypt wood dust subjected to the alkali-heat-treatment with organic carboxylic acid, then, carrying out high-temperature and high-pressure reaction, and carrying out hydrogenation reaction to obtain a reactant; then, carrying out rancidification on coconut oil in the environment of high temperature, high moisture and high oxygen; mixing a rancidification product and the reactant to carry out short-term fermentation; carrying out ultraviolet sterilization to obtain the combustible biomass coal briquette binder. The briquette binder prepared by the preparation method has the advantages of good binding effect, high combustion efficiency and wide application prospect.
Owner:FOSHAN LINGCHAO NEW MATERIAL CO LTD

Preparation method of carbon nano tube composite material

ActiveCN107828164AFluffy structureUniform and full accessMicrobubblesSuction force
The invention provides a preparation method of a carbon nano tube composite material. According to the preparation method, carbon nano tube film is added into a mixed solution composed of a raising agent, a compatilizer, and a resin matrix, and an obtained mixture is allowed to stand; when the raising agent in the mixed solution penetrate into the carbon nano tube film, microbubbles are generatedvia deposition, microburst effect is achieved, the structure of the carbon nano tube film becomes loosened gradually, entering of the resin matrix molecules or nanoparticles into the loosened carbon nano tube film is realized, and a primary carbon nano tube composite material is formed; the primary carbon nano tube composite material is subjected to heating and hot pressing ,tightening and solidification of the structure of the primary carbon nano tube composite material are realized under the effect of core suction force and pressure generated in the evaporation process of the mixed solution,and the carbon nano tube composite material is obtained, wherein full infiltration of the carbon nano tube composite material with polymers is realized. The carbon nano tube composite material is prepared from carbon nano tube and large molecular resin, the comprehensive performance of the carbon nano tube composite material is improved; the preparation method is simple and convenient; cost is low; and industrialized production can be realized.
Owner:DONGHUA UNIV

Aluminum-free heat-resistant die-casting rare earth magnesium alloy

The heat resistant no-aluminum die cast Mg-RE alloy consists of Y 2-4 wt%, Gd 0.2-0.6 wt%, Zn 0.3-0.6 wt%, Mn 0.1-0.3 wt%, and Mg for the rest. Y as the excellent additive for raising the performance of Mg alloy can refine the dendrite crystal in the alloy, increase the rate of fiber structures in alloy fracture and raise the plasticity of the alloy; and Gd and Zn serve as the alloy reinforcing elements too. The heat resistant no-aluminum die cast Mg-RE alloy has excellent room temperature mechanical performance, high temperature mechanical performance superior to that of AE44 alloy, and excellent creep resistance in the conditions up to 250 deg.c and 30 MPa.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Quick-frozen pan-fried pork buns and making method thereof

The invention discloses quick-frozen pan-fried pork buns. The wrappers of the pan-fried pork buns comprise the following raw materials in parts by weight of 95-105 parts of medium-gluten flour, 0.15-0.35 part of yeast, 0.8-1.3 parts of white sugar, 0.3-0.5 part of baking powder, 0.8-1.3 parts of emulsified oil, 2-5 parts of lard, 0.2-0.4 part of a wrapper modifier and 51-54 parts of water. The wrapper modifier is added to the wrappers, so that the mouth feel of the wrappers can be notably improved, the stability can be improved, and the quality guarantee period can be prolonged. The inventionalso provides a making method of the quick-frozen pan-fried pork buns. Dough leavening is performed in a freezer, fermentation is performed in the freezer of 0-5 DEG C for one night, on the next day,the effect of half-leavened dough can be achieved, and the wrappers of the pan-fried pork buns can be tenacious and cannot retract; and dough is put in a pork bun making machine for shaping, secondaryleavening is not used, the pan-fried pork buns are directly put in a tunnel for quick-freezing, the technology is simplified and controllable, and the production efficiency is greatly improved.
Owner:河南创新研霖食品科技有限公司

Method for calculating residual strength of ceramic-based composite material in high-temperature stress environment

ActiveCN110348058APredict shape changesReflect macro performanceDesign optimisation/simulationSpecial data processing applicationsTensile fractureOxide
The invention discloses a method for calculating the residual strength of a ceramic-based composite material in a high-temperature stress environment. The method comprises the following steps: determining an oxygen concentration change rule in the material; determining a change rule of a fiber oxidation notch; determining the number of oxide layers and the total number of fibers; determining fiberstress distribution before oxidation; determining a tensile strength model of the material before oxidation; determining a fiber tensile strength change rule in the oxidation process; determining thefracture proportion of the fibers in the oxidation process; determining fiber tensile fracture probability and fiber stress distribution in the oxidation process; determining the change rule of the oxidation fracture time of each layer of fibers; and determining the change rule of the tensile strength of the material in the oxidation process and the residual life of the oxidized material. The method provided by the invention can truly and effectively predict the morphology change of matrix oxidation and fiber oxidation, and can reflect the macroscopic properties of the material from the mesoscopic scale.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Composition used for relieving asthenopia and preparation method thereof

The present invention discloses a composition used for relieving asthenopia and a preparation method thereof. The composition used for relieving asthenopia is mainly prepared from the following raw materials in parts by weight: 75-225 parts of lutein particles, 60-180 parts of grape seed extract and 25-75 parts of taurine. The components of the composition all have efficacy of relieving asthenopia. Human feeding trials show that the composition preparation in the present invention has better asthenopia relieving effect when compared with the single lutein particle preparation and the single grape seed extract preparation in the same dose, and can significantly improve the duration of clear vision and the uncomfortable symptoms of eyes. The product in the present invention is prepared from a scientific and rational production process, has definite functions and controllable quality, and is safe to use and suitable for long-term use by the general population.
Owner:BEIJING ZHONGTAI TIANHE SCI & TECH

A molybdenum-aluminum common etching solution and an etching method

In order to overcome the problems of low etching efficiency and high cost of an M3 layer and an LS layer in the existing LTPS technology, the invention provides a molybdenum-aluminum common etching solution, which comprises phosphoric acid, nitric acid, acetic acid, an additive and water, wherein based on the total weight of the etching solution, the content of the phosphoric acid is 55-65wt%, thecontent of the nitric acid is 3-5wt%, the content of the acetic acid is 12-18wt%, and the content of the additive is 2.5-4.0wt%, and the balance being water. The additive comprises a metal salt, an inorganic ammonium salt and an auxiliary agent. In the etching solution, the content of inorganic ammonium salt is 0.1-0.3wt%. The auxiliary agent is selected from one or more of 4-hydroxybenzene sulfonic acid, diethyl triamine pentaacetic acid and phytic acid. Meanwhile, the invention also provides an etching method by adopting the etching solution. The molybdenum-aluminum common etching solutionprovided by the invention can be used for etching M3 layers and LS layers at the same time, so that the process is simplified, the efficiency is improved, and the cost is reduced.
Owner:SHENZHEN CAPCHEM TECH CO LTD

Organic fertilizer and preparing method thereof

InactiveCN105622295AWith mineralized soil oxidationOxidationCalcareous fertilisersExcrement fertilisersHuskSugar
The invention discloses an organic fertilizer and a preparing method thereof. The organic fertilizer is prepared from, by weight, 10-20 parts of humic acid, 10-20 parts of silicon, 10-20 parts of calcium, 3-5 parts of walnut green husk, 10-20 parts of waste animal greasy filth, 20-30 parts of straw powder, 20-30 parts of chicken manure, 1-2 parts of beneficial microbial flora and 1-2 parts of brown sugar. The preparing method comprises the steps of evenly mixing humic acid, silicon, calcium, walnut green husk, waste animal greasy filth, straw powder and chicken manure; placing the mixture in an environment with the temperature of 170-200 DEG C and pressure of 0.6-0.8 MPa for 2-3 h; regulating the temperature of the environment to be 60-80 DEG C and the pressure of the environment to be lower than or equal to 0.1 MPa, adding beneficial microbial flora and brown sugar to be evenly mixed, controlling the humidity of the environment to be 50-60%, and standing for 1.5-2.5 h; conducting drying till water content is lower than or equal to 30%. The organic fertilizer contains adequate nutrients and is long in action time.
Owner:NANJIANG MASTER KANG BIOLOGICAL TECH CO LTD

Fabric with enhanced flame retardant performance and preparation method thereof

The invention discloses a fabric with enhanced flame retardant performance and a preparation method thereof. Both warp and weft of the fabric are blended yarns that are prepared from 70-80 weight percent of cellulose fiber and 20-30 weight percent of high-strength Vinylon fiber, wherein before blending, the high-strength Vinylon fiber is treated with a softening agent, and the fabric is prepared by processing the blended yarns into grey cloth, then singeing, scouring, bleaching, mercerizing, padding flame retardant liquor, pre-shaping, continuously fumigating with ammonia to tidy the fabric, oxidation rinsing, softening and shaping. Through adoption of the preparation method for the fabric with enhanced flame retardant performance, the fabric maintains the strength after flame retardant treatment, the preparation cost is low, the fabric can be produced efficiently in an environment-friendly way, and the treated fabric has better flame retardant performance.
Owner:红柳纺织科技沭阳有限公司 +1

Medium and deep layer geothermal energy collection same well withdrawing system

The invention discloses a medium and deep layer geothermal energy collection same well withdrawing system. A collection well and a heat exchanging assembly are included; the collection well comprisesa well body which comprises a lower heat energy extraction area and an upper recharging area; the adjacent position between the heat energy extraction area and the recharging area is provided with a closing device; the center of the closing device is provided with a through hole used for a water pumping pipe to pass through; the lower end of the water pumping pipe extends into the heat energy extraction area; the lower end of the water pumping pipe is connected with a submersible pump used for pumping geothermal water; the position between the outer side of a well pipe of the recharging area and the inner wall of a well hole is filled with a quartz sand filtering material layer; and the heat exchanging assembly comprises a filtering purification device and a heat exchanger. The collectionwell with the water pumping and water returning functions is adopted, the heat in the medium and deep layer geothermal water is collected and utilized, but the geothermal water is not consumed, the geothermal water is high in recharging rate after heat exchanging, lowering of an underground water level cannot be caused, and changing and damage of a geologic structure cannot be caused. The medium and deep layer geothermal energy collection same well withdrawing system is small in occupied area, convenient to construct and maintain, lower in cost and higher in resource utilizing rate.
Owner:河南省宇基环保科技有限公司

Preparation method and application of multifunctional laccase-like CuNi/CoMoO4

The invention relates to a preparation method and application of multifunctional laccase-like CuNi / CoMoO4. The preparation method comprises the following steps: S1, preparation of CoMoO4; and S2, preparation of CuNi / CoMoO4. According to the invention, the CuNi / CoMoO4 prepared by adopting a hydrothermal, calcining and dipping combined method is beneficial for adsorbing reactants to participate in an enzyme catalytic reaction, and shows relatively good catalytic activity; and the ascorbic acid colorimetric sensor is established by using the laccase-like activity of CuNi / CoMoO4, a portable intelligent terminal platform combined with a chroma signal is constructed, and efficient degradation of acid fuchsin is realized.
Owner:SICHUAN AGRI UNIV

Floor cleaning agent and preparation method thereof

The invention provides a floor cleaning agent. The floor cleaning agent comprises the following components in percentage by mass: 0.1-0.2% of Carbomer, 0.2-0.3% of a shading agent, 5-8% of fatty alcohol-polyoxyethylene ether, 0.35-0.5% of triethanolamine, 2-3% of iso-tridecanol, 0.1-0.2% of silver ions, 0.1-0.5% of microcapsule essence, 0.1% of a preservative, 1.8-2.3% of sodium citrate, and the balance of deionized water, wherein the sum of the components is 100%. The floor cleaning agent provided by the invention is high in cleaning and decontamination capacity, and is especially suitable for grease stain removal, so that a clean floor is obtained. The sterilization and disinfection effects last long, and the generation probability of mildew spots is reduced. The floor cleaning agent contains no volatile solvent, is safe and nontoxic, and has lasting fragrance. The invention also provides a preparation method of the floor cleaning agent.
Owner:中山市妙洁精细化工有限公司

Method for recovering tellurium in copper anode slime through normal-pressure closed oxygenation

The invention provides a method for recovering tellurium in copper anode slime through normal-pressure closed oxygenation. The method comprises the following specific steps: adding a dilute sulphuric acid-dilute nitric acid mixed acid into copper anode slime for pulp blending, wherein the weight-volume ratio of copper anode slime in the blended pulp is controlled to be 15-25 g / mL, the dilute sulphuric acid content of the mixed acid is controlled to be 0.5-2 mol / L, and the dilute nitric acid content of the mixed acid is controlled to be 0.03-0.1 mol / L; placing the blended pulp in a closed container, introducing oxygen into the closed container for air removal, carrying out 0.5-1.5 hours' leaching under normal pressure, and then carrying out solid-liquid separation, wherein the leaching temperature is 100-115 DEG C, and the rotating speed of stirring is 300-500 r / min. The method provided by the invention has the advantages of being high in leaching rate, safe, reliable, and easy to handle; the tellurium leaching rate reaches 97.6-99.8%; moreover, the method is low in energy consumption and requirement for reaction equipment, the cost can be reduced, and the industrialized recovery of the element tellurium in copper anode slime is facilitated.
Owner:NORTHEASTERN UNIV

TiO2 hollow microsphere blue algae processing agent and preparation method thereof

A TiO2 hollow microsphere blue algae processing agent is composed of the following raw materials in parts by weight: 12 to 16 parts of bamboo charcoal powder, 2 to 4 parts of TiO2 hollow microsphere, 0.9 to 1.2 parts of polyhexamethylene guanidine, 1 to 2 parts of dibromohydantoin, 14 to 16 parts of iron ore tailings, 14 to 18 parts of cotton seed cake, 15 to 20 parts of polymeric ferric sulfate, 7 to 9 parts of maleic acid, 5 to 7 parts of sodium hydrogen sulfite, 3 to 5 parts of hydrolytic polymaleic anhydride, 5 to 7 parts of calcium acetate, a proper amount of water, and 5 to 7 parts of absorbent aid. The cotton seed cake is added, and thus the blue algae processing agent has an antibacterial effect. TiO2 hollow microspheres are added to kill blue algae and bacteria, and organic matters can also be decomposed by the hollow microspheres. The added iron ore tailing has an oxidizing effect and thus can enhance the blue algae killing effect. Moreover the processing agent also has a flocculating effect, is capable of killing blue algae chemically, can inhibit and kill blue algae for a long term, can purify the water, prevent water oxygen deficiency, and protect other organisms, and treats both the symptoms and the roots.
Owner:WUHU XIANGRONG FOOD

Preparation method of multifunctional carbon nanotube composite yarn

The invention provides a preparation method of a multifunctional carbon nanotube composite yarn. The method comprises the following steps: firstly, the carbon nanotube yarn is added to a mixed solution of a bulking agent, a compatilizer and a resin matrix, and the mixed solution is left to stand; the bulking agent in the mixed solution can be decomposed to generate micro bubbles when permeating into the inside of the carbon nanotube yarn, and micro blasting effect is produced, so that the structure of the carbon nanotube yarn is gradually loosened, and an impurity removal effect is achieved; resin matrix molecules or nanoparticles enter the yarn, and initial carbon nanotube composite yarn is formed; the initial carbon nanotube composite yarn is heated and dried and is compact in structureand cured by core suction force generated in the evaporation process of the mixed solution, and the multifunctional carbon nanotube composite yarn is prepared. The method is simple and easy to implement and low in cost, and industrialization can be achieved; the prepared composite yarn has important applications in the fields of intelligent yarn, linear electrodes, intelligent fabrics and the like.
Owner:DONGHUA UNIV

Formation method of CMOS (Complementary Metal Oxide Semiconductor) transistor

The invention relates to a formation method of CMOS (Complementary Metal Oxide Semiconductor) transistor, which comprises the steps of providing a semiconductor substrate, wherein the semiconductor substrate comprises an NMOS area and a PMOS area, the surface of the semiconductor substrate is provided with a dielectric layer, and the internal part of the dielectric layer is provided with a first groove and a second groove, forming a gate dielectric material layer, a stop layer and a PMOS work function layer at the wall surfaces of the first groove and the second groove and the surface of the dielectric layer, forming a mask layer which covers the PMOS area, removing the PMOS work function layer on the NMOS area, removing the mask layer, forming a metal layer which covers the NMOS area and the PMOS area and carrying out planarization processing. The step of removing the PMOS work function layer comprises the steps of firstly carrying out oxidation treatment on the PMOS work function layer on the NMOS area by adopting an ozone deionized aqueous solution, then carrying out etching treatment on the PMOS work function layer by adopting a hydrogen chloride deionized aqueous solution, repeating the above steps until the PMOS work function layer on the NMOS area is removed. The method provided by the invention can improve the performance of the CMOS transistor.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Biological fortifier for improving efficiency of degrading m-dichlorobenzene by microorganism in liquid phase and adding method thereof

The invention discloses biological fortifier for improving efficiency of degrading m-dichlorobenzene by microorganism in the liquid phase and an adding method thereof. The biological fortifier is prepared from rhamnolipid, FeCl3, MgCl2, MnSO4.H2O, ZnCl2, CuSO4.H2O, CoCl2.6H2O, Na2MoSO4.2H2O and AlCl3.6H2O. The method for improving efficiency of degrading m-dichlorobenzene by the biological fortifier in the liquid phase includes the following steps that 1, the average flow rate of the liquid phase in waste water or waste gas in biological equipment is calculated, and the biological agent is added according to the ratio of 0.1%; the biological agent is uniformly added into the waste water or gas microbiological treatment in a spraying mode. The provided biological fortifier is scientific and reasonable in component matching, capable of greatly improving the efficiency of degrading m-dichlorobenzene by microorganism, low in cost and high in operability, has a great significance in environment protection and has important application value.
Owner:YANCHENG INST OF TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products