73results about How to "Oxidation" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.