55results about How to "Delay the oxidation process" patented technology

The invention discloses a method for treating chlorinated organic pollutants in underground water by using a slow-release compound repair material. The method comprises the following steps: (1), preparing charcoal through high temperature pyrolysis; (2), pre-treating zero-valent iron through acid pickling; (3), adding water into the charcoal, then adding xanthan gum and an organic carbon source, and finally, adding zero-valent iron, and through steps of treating, obtaining the slow-release compound repair material; then treating chlorinated organic pollutants in underground water by adopting an in situ injection repairing method or an in situ PRB repairing method. According to the method provided by the invention, the xanthan gum with high mechanical strength and strong mass transfer performance is used as a novel slow release embedding medium, the physical adsorbent charcoal, the chemical reductant zero-valent iron and the bioreductive drug organic carbon source are taken as effective components for composite embedding, so that gel microspheres with stable structures are formed, and the method provided by the invention has the advantages of sustained release, simple and convenient operation, low cost, environment friendliness and the like, can effectively achieve physically, chemically and biologically collaborated and enhanced remediation, and can effectively remove target pollutants.

The invention relates to a sulfide solid electrolyte and discloses a sulfide solid electrolyte with a core-shell structure, a preparation method and a solid battery, so as to solve the problem that the existing O doping improvement method has limited effects on improvements on the stability of the positive electrode by the sulfide solid electrolyte and falling of conductivity is caused. The sulfide solid electrolyte with a core-shell structure in the technical scheme comprises a core-shell particle with a particle size of 0.5 to 10 mum; the core-shell particle comprises a core and a shell coating the core; the core is a sulfide solid electrolyte material; the thickness of the shell is smaller than 100 nm; and according to the shell, the sulfide solid electrolyte material is oxidized by external oxides, part of P-S bonds or all of the P-S bonds are oxidized and replaced as P-O bonds, the high ion conductivity advantage of the sulfide solid electrolyte is ensured, and the electrochemicalstability of the sulfide solid electrolyte for the high-oxidizability positive electrode active material is further improved.

The invention discloses a gas-blowing and slag- gathering spray gun for assisting slag-off of molten iron and a using method of the spray gun. The gas-blowing and slag-gathering spray gun comprises a gun barrel, wherein the gun barrel is provided with an opening end and a closed end; spray ports are symmetrically formed on the barrel wall, close to the closed end, of the gun barrel based on the middle axis of the gun barrel; the middle axes of the spray ports are vertical to the middle axis of the gun barrel; and the ratio of the inner diameters of the spray ports to the inner diameter of the gun barrel is (0.35-0.70):1. The gas-blowing and slag-accreting spray gun has the characteristics of being simple in structure, long in service life, stable in gas-blowing and slag-accreting operation and the like. The gas-blowing and slag-gathering spray gun disclosed by the invention is combined with the using method of the spray gun, so that the molten iron slag gathering degree can be improved, the bare area of the molten iron is increased, the erosive wear to the molten iron tank wall is small, the slag-off iron loss is low and the slag-off time is short.

Disclosed are a method for extracting vanadium from vanadium-containing highly concentrated sulfuric acid solution and application of extracting agent. Stone coal or stone coal roasting material is leached by sulfuric acid to obtain vanadium-containing sulfuric acid solution. Low valence vanadium in the vanadium-containing solution is oxidized into pentavalent vanadium, and the pentavalent vanadium is subjected to liquid-liquid extraction to obtain vanadium in the solution. Loaded organic phase is subjected to reverse extraction by NaOH solution to obtain sodium vanadate solution. The process flow is as followed. The method has the advantages that the vanadium in the sulfuric acid leachate can be directly extracted without neutralizing the sulfuric acid leachate, acid-containing raffinate is returned for leaching to recycle sulfuric acid in the raffinate, and consumption of the sulfuric acid and neutralizer is lowered; the steps of neutralizing, wastewater treatment and the like are reduced, and production cost is reduced; separation of the vanadium from the impurities such as Fe, Al, Ca, Mg, As and Cr is achieved during extracting, strip liquor is directly deposited to obtain metavanadate without purification, and vanadium pentoxide more than 98.5% in purity can be obtained by calcining; the recovery rate of vanadium from the leachate and the strip liquor is larger than 99%, and technical and economic indicators are superior.

A cannabinoid composition having an excipient including α-tocopherol and at least one isolated cannabinoid having a purity of greater than 80%. The α-tocopherol inhibits oxidation, regulates viscosity of the composition, and improves bioavailability of the cannabinoid. The composition includes a carrier oil mixed with the excipient and cannabinoid. In one embodiment, the at least one cannabinoid is an isolated cannabinoid having a greater than 80% purity, and preferably greater than 90% purity. The at least one cannabinoid is selected from the group consisting of phytocannabinoids, endocannabinoids, synthetic cannabinoids, and combinations thereof. The cannabinoid may be derived from plants other than cannabis sativa, or synthesized from fungi, bacteria, yeast or other synthetic method. Preferably the α-tocopherol comprises at least 10% w / w of the composition.

The invention belongs to the technical field of metal corrosion and protection, and particularly relates to a preparation method of an anti-oxidation and hot corrosion protective coating for the metal equipment and components serving under high-temperature conditions. The preparation method is characterized by comprising the following steps of: firstly performing sand blasting and roughening of the outer surface of a metal workpiece; spraying a layer of bottom alloy on the outer surface of the metal workpiece by an electric arc spraying method, and then spraying a layer of surface alloy again; and after the spraying, performing hole sealing of the coating surface to obtain a metal workpiece with a metal-based long-acting anti-oxidation protective coating. The invention aims to realize protection by use of the method; and through the invention, the service life of the large high-temperature equipment such as a distillation reactor, an annealing pot and the like made from low-carbon steel in high-temperature environment can be prolonged, and the production and using cost is lowered.

The invention relates to a mildew-resistant composite antioxidant additive which comprises propionic acid 5-30% by weight, propionates such as sodium propionate, ammonium propionate, calcium propionate, potassium propionate, or magnesium propionate 10-50% by weight, citric acid 1-10% by weight, Etyoxyquin 5-30% by weight, 2, 6-dibutyl hydroxy toluene 5-25% by weight. The addictive is prepared through mixing these effective compositions with silicon dioxide, diatomite, zeolite powder, montmorillonite powder and bentonite as carrying agents.

A ferroelectric FET with bismuth titanate (BIT) film as storage medium layer is prepared through washing Si substrate, coating photoresist, exposing, developing to obtain pattern, etching to form recess, coating photoresist, phootoetching to form injection windows of source and drain areas, ion implantation to form source and drain areas, depositing ferroelectric BIP film, etching off the film over source and drain areas to obtain the windows of source and drain, plating AG layer, and reverse etching to obtain source, drain and grid. Its advantages include good interface performance, long information storage time and high rate of finished products.

The invention discloses a slow-release compound repair material for treating chlorine-containing organic pollutants in groundwater and a preparation method thereof. The preparation method comprises the steps of (1) preparing biochar by high-temperature pyrolysis; (2) pretreating zero-valent iron by acid pickling; and (3) adding water into the biochar, adding xanthan gum and an organic carbon source, adding zero-valent iron finally, and carrying out multi-step treatment on the obtained mixture so as to obtain a slow-release compound repair material for treating chlorine-containing organic pollutants in groundwater. According to the invention, by using the xanthan gum with high mechanical strength and strong mass transfer performance as a novel slow-release embedding agent, the biochar (as a physical adsorbent), the zero-valent iron (as a chemical reductant) and the organic carbon source (as a biological reductant) which are taken as effective components are compositely embedded so as to form constitutionally stable gel microspheres, and the slow-release compound repair material has the advantages of long-term slow-release, easy operation, low cost, environment friendliness, and the like, and can effectively realize the physical, chemical and biological synergistic reinforced repair, therefore, the material can remove target pollutants more efficiently.

The invention discloses a grain storage warehouse based on the Internet of Things. The grain storage warehouse comprises a granary management system cloud platform, an Internet of Things wireless gateway, a warehouse body, a grain face walkway plate, a crawling ladder, a grain blocking door, a first sealing heat preservation door, a second sealing heat preservation door, temperature sensors, humidity sensors, oxygen detectors, nitrogen detectors, a pest situation forecasting lamp, cameras, air conditioners, overground ventilation caged, an air feeder and a plurality of sealed heat preservationwindow sashes; and the warehouse body comprises a grain storage layer and a detection layer, and the grain storage layer and the detection layer are the first layer and the second layer of the warehouse body respectively. The invention further discloses a grain storage method. According to the grain storage warehouse and the method, the grain storage environment including the temperature, the humidity and the nitrogen content in a granary can be controlled in real time, so that the temperature inside the warehouse body is constant throughout the year, the nitrogen content is stable inside thewarehouse body throughout the year, grain decay and deterioration are avoided, and the storage time is prolonged; and meanwhile, insect pests in the granary can be monitored and killed in time, so that the insect pests are avoided.

The invention relates to a method for remediating hydrochloric ether polluted underground water. The method comprises the following steps: taking lamellated bimetal hydroxide as a packaging agent to modify nanometer zero-valent iron, thereby acquiring packaged type nanometer zero-valent iron nZVI-LDHs; preparing chlorohydrocarbon dominant degrading bacteria containing Clostridium_sp._FCB45, methylotrophic_bacterium_RS-X3, Rhodocyclales_bacterium_TP139 and bacterium_B3C1-6; inoculating the cultured solution of chlorohydrocarbon dominant degrading bacteria, adding into hydrochloric ether polluted underground water and adding the packaged type nanometer zero-valent iron nZVI-LDHs. The method according to the invention is simple in process, low in cost and obvious in effect and has no secondary pollution to the underground water. The method applied to in-situ remediation of the underground water is economically and technically feasible.

The invention discloses a motorcycle engine connecting rod and its manufacturing process. The engine connecting rod has a rod body, a large head and a small head are respectively arranged at two ends of the rod body, and a crank pin mounting hole is arranged on the large head. A piston pin installation hole is provided on the small head, and a copper layer is plated on the surface of the shaft, the large head and the small head, and the thickness L of the copper layer is 0.05mm-0.09mm. The manufacturing process of the engine connecting rod is: 1) blanking; 2) forging blank; 3) normalizing treatment; 4) shot blasting treatment; 5) carburizing and quenching treatment; 6) copper plating treatment; 7) machining out Crank pin mounting holes and piston pin mounting holes. The invention delays the surface oxidation process of the connecting rod by increasing the copper plating treatment, reduces the chance of cracks, and improves the service life of the invention; it has the characteristics of easy realization, low cost, long life and light weight.

A cannabinoid composition having an excipient including α-tocopherol and at least one isolated cannabinoid having a purity of greater than 80%. The α-tocopherol inhibits oxidation, regulates viscosity of the composition, and improves bioavailability of the cannabinoid. The composition includes a carrier oil mixed with the excipient and cannabinoid. In one embodiment, the at least one cannabinoid is an isolated cannabinoid having a greater than 80% purity, and preferably greater than 90% purity. The at least one cannabinoid is selected from the group consisting of phytocannabinoids, endocannabinoids, synthetic cannabinoids, and combinations thereof. The cannabinoid may be derived from plants other than cannabis sativa, or synthesized from fungi, bacteria, yeast or other synthetic method. Preferably the α-tocopherol comprises at least 10% w / w of the composition.

The invention discloses a transformer shell material which is characterized by comprising, by weight, 40-50 parts of polyurethane resin, 20-30 parts of nitrile-butadiene rubber, 10-20 parts of sound absorbing material, 8-16 parts of aluminum nitride, 4-8 parts of magnesium oxide, 10-15 parts of glass fiber, 1-3 parts of antioxidant and 2-5 parts of silane coupling agent. The heat conductivity of the prepared transformer shell material is 1.9-3.6W / (m*k), the transformer shell material is excellent in mechanical performance, good in insulation performance and excellent in sound absorbing effect, tensile strength is 21.0-33.8MPa, and bending strength is 93.4-98.5MPa.

The invention provides an electrothermal alloy iron, chromium and aluminum wire material and a preparation method thereof. The preparation method comprises the following steps: S1, intermediate frequency smelting; S2, electroslag remelting (refining); S3, forging; S4, hot rolling; S5, annealing; and S6, wire drawing and intermediate annealing. With adoption of the preparation method, the iron, chromium and aluminum wire material with excellent mechanical property and oxidization resistance and long service life can be manufactured and can be widely applied in various fields of electronic devices, automobile parts and the like.

The invention discloses an anti-corrosion material for automobile radiator intake chambers. The material comprises, by weight, 95 parts to 105 parts of nylon 66, 20 parts to 30 parts of glass fiber, 1.5 parts to 1.9 parts of flexibilizer, 1.2 parts to 1.6 parts of antioxidant, and 1.1 parts to 1.5 parts of hydrolysis resistance agent. A preparation method comprises raw material preparation and mixing preparation. The glass fiber can have the effect on improving the strength of the material, the plasticity of the material can be improved due to the flexibilizer, the oxidization process of polymer can be slowed down due to the antioxidant and the hydrolysis resistance agent, and therefore, the polymer can be smoothly machined, and the service life of the polymer can be prolonged. According to the method, because the ingredients and the content of the ingredients of the material are strictly controlled, the prepared material for the automobile radiator intake chambers has the advantages of being high in corrosion resistance, light in weight, high in strength, long in service life and the like, and is an excellent material for manufacturing the radiator intake chambers.

The invention discloses a compound antioxidant for improving the stability of frying oil and fried food and a preparation method thereof. Through the synergistic effect of all substances of a main antioxidant and the synergistic effect of an auxiliary antioxidant, the increase of acid value, polar components and carbonyl value caused by thermal oxidation reaction in the frying oil can be inhibited, and the growth of the polar component caused by the polymerization reaction is also inhibited; and the peroxide value and the malondialdehyde content increase rate during the storage process of the fried food are reduced, the generation of the peculiar smell such as rancidity is inhibited, the oxidation stability of the frying oil can be effectively improved, and the antioxidant effect can be continuously performed in the fried food along with the carrying of the oil so as to prolong the shelf life of the fried food.

The invention provides an aqueous zinc plating sealing agent and a preparation method thereof, and relates to the technical field of zinc plating surface treatment, wherein the aqueous zinc plating sealing agent comprises the following raw materials by weight: 30-40 parts of sodium silicate, 6-10 parts of methyl polyacrylate, 3-7 parts of a defoamer, 1-5 parts of a coupling agent, 3-5 parts of a phosphite-based antioxidant, 10-14 parts of sodium nitrite, 3-9 parts of fatty alcohol polyoxyethylene ether, 4-6 parts of a film forming agent, 1-3 parts of a stabilizer, and 100 parts of water. The preparation method comprises: (1) weighing the raw materials; (2) preparing a solution a; (3) preparing a solution b; (4) preparing a solution c; (5) preparing a solution d; and (6) mixing the solutiona and the solution d. According to the present invention, the anticorrosive coating prepared by using the aqueous zinc plating sealing agent has advantages of smoothness, uniformity, no color change,strong corrosion and strong adhesion.

The invention discloses a nano solid-core iron phosphate-carbon source-graphene composite material; the surfaces of nano solid-core iron phosphate particles are coated with a carbon source, the particles are connected through graphene, and the nano solid-core iron phosphate-carbon source-graphene composite material is formed. The invention also discloses a preparation method of the material. The process flow is simple, the cost is low, at the same time, nitrate radicals are adopted, and the disadvantages in a traditional process that sulfate radicals in an FeSO4 raw material are difficult to wash cleanly and chloride ions in an FeCl3 raw material have a corrosion effect on equipment are overcome. The prepared lithium iron phosphate positive electrode material has the tap density reaching up to 1.68 g / cm<3>, has large volume specific capacity, is beneficial for preparation of a positive electrode material slurry and coating of an electrode slice, and improves the quality of the electrode slice.

The invention discloses preparation of a protein-polyphenol complex and application in a Pickering emulsion. The preparation method comprises the steps as follows: under the action of magnetic stirring, dropwise adding a waxberry leaf proanthocyanidin aqueous solution to a gelatin aqueous solution to form the protein-polyphenol complex, wherein the mass fraction of the gelatin aqueous solution is0.1wt%-0.6wt% and the mass ratio of gelatin to waxberry leaf proanthocyanidin is 9:1-5:5. Binding is driven by hydrogen bonds, the formed complex has smaller average particle size and higher Zeta potential absolute value, and the complex aqueous solution can obviously reduce interface tension of oil-water interfaces and has good emulsifying performance. The complex can be used for preparing the Pickering emulsion, and phenolic substances in the complex play good antioxidant effects in the emulsion, protect oil phases and improve chemical stability of the emulsion.

The invention relates to integrated process and equipment for desulfurization and denitrification synergistic absorption. The process relates to the concentrations and specific proportions of nitric oxide and sulfur dioxide in waste gas, an absorbent and the like. The equipment comprises a feeding device, an auxiliary reaction device, an absorption device and a gas-liquid separation device, wherein the feeding device is communicated with the reaction device and the absorption device, and the absorption device is communicated with the gas-liquid separation device; the reaction device is mainlyused for generating nitrogen dioxide and includes, but not limited to nitrogen dioxide generated by arc discharge, so that nitrogen monoxide in the waste gas is oxidized to generate nitrogen dioxide;the absorption device is an absorption tower or a micro-reactor, preferably a micro-reactor, and more preferably a micro-dispersion type reactor; in the reaction device, waste gas under specific process conditions and an absorbent are mixed and react to be absorbed and removed. The process and the equipment for synergistically absorbing nitrogen oxide and sulfide have the advantages of simple process, high absorption efficiency, no need of introducing other substances such as a catalyst into a reaction system, capability of realizing resource utilization of waste gas and the like.

The invention relates to a green low-creep MgO-C brick and a preparation method thereof. The technical scheme of the preparation method comprises the steps: performing batching on fused magnesia finepowder, titanium diboride fine powder and triethanolamine at a mass ratio of 100:(2-4):(4-6), performing even mixing at 130-135 DEG C in a vertical heating mixer so as to obtain a mixed fine powder material, performing batching on fused magnesia particles, the mixed fine powder powder, flake graphite and boric anhydride at a mass ratio of 100:(40-45):(3-6):(2-3), performing even mixing at 140-150DEG C in the vertical heating mixer so as to obtain a premix, adding glycerin with an amount of 4-5% of the weight of the premix and liquid paraffin with an amount of 2-3% of the weight of the premixto the premix, performing mixing at 160-165 DEG C in the vertical heating mixer so as to obtain a mixed material, performing press forming on the mixed material under 55-65 MPa, and performing heat treatment at 220-250 DEG C for 60-90 minutes so as to obtain the green low-creep MgO-C brick. The process is simple and environmentally friendly, the prepared product has a good environmental protectioneffect, low creep at high temperature, hydration resistance and high resistance to slag corrosion.

The invention discloses a preparation method and an application in double protein snack food for dried fish. The preparation method for the dried fish comprises the following steps: pretreating raw materials, salting and removing fishy, seasoning and boiling, air frying, and drying. The double protein snack food is made of the dried fish, walnut seeds, peanuts, broad beans, bitter apricot seeds, cashew nuts, Siberian filbert seeds, pumpkin seeds, raisins, dried bananas, dried cranberries, and dried blueberries. The preparation of the dried fish combines the air frying and drying processes to change a traditional high-temperature frying process, a crispy taste of traditional frying is maintained, nutrients of the raw fishes are also maintained, and the oil content is also reduced. In the double protein snack food, nutrients of animal and plant protein are complemented, a special flavor of nuts and dried fruit products and nutrients of high vitamins and high minerals are combined, the dried fish is a new type of nutritious and healthy snack food, is provided with characteristics of high animal and vegetable protein, low oil content, high vitamin and mineral content, crispy taste, andthe like, and has good market prospects.

The invention relates to a low-light-transmission privacy energy-saving float glass composition and a preparation method thereof. The glass is prepared from the following raw materials in percentage by weight: 65% to 78% of SiO2, 12% to 17% of Na2O, 7% to 13% of CaO, 0% to 7% of MgO, 0.5% to 2.5% of Al2O3, 0.5% to 1.2% of Fe2O3, 0.01% to 0.3% of NiO and 0.5% to 2% of ternary metal sulfides. The prepared glass has the ferrous content of 40% or more, the visible light transmission rate (LTA) of lower than 50%, the ultraviolet transmission rate (TUV) of lower than 10%, the infrared transmission rate (TIR) of lower than 15% and the sunlight direct transmission rate (TG) of lower than 20% and has relatively good energy-saving performance and anti-mildewing effect.

The invention discloses a method for treating chlorinated organic pollutants in underground water by using a slow-release compound repair material. The method comprises the following steps: (1), preparing charcoal through high temperature pyrolysis; (2), pre-treating zero-valent iron through acid pickling; (3), adding water into the charcoal, then adding xanthan gum and an organic carbon source, and finally, adding zero-valent iron, and through steps of treating, obtaining the slow-release compound repair material; then treating chlorinated organic pollutants in underground water by adopting an in situ injection repairing method or an in situ PRB repairing method. According to the method provided by the invention, the xanthan gum with high mechanical strength and strong mass transfer performance is used as a novel slow release embedding medium, the physical adsorbent charcoal, the chemical reductant zero-valent iron and the bioreductive drug organic carbon source are taken as effective components for composite embedding, so that gel microspheres with stable structures are formed, and the method provided by the invention has the advantages of sustained release, simple and convenient operation, low cost, environment friendliness and the like, can effectively achieve physically, chemically and biologically collaborated and enhanced remediation, and can effectively remove target pollutants.

The invention discloses an insulated wire, mainly composed of copper wire and paint layer, its character: it coats a protective layer on the copper wire. Its construction is reasonable. The protective layer slows down the oxidization of the copper wire under 200 deg.C and above, which prolongs the useful life of products and ensures the working performance of products. It has promotional vale.

The invention discloses a method for extracting a purple sweet potato anthocyanin and an application, and belongs to the technical field of plant anthocyanin extraction. The method comprises the following steps: using purple sweet potato powder as a raw material, adding a polyethylene glycol solution with a volume concentration of 90-95% according to a liquid-material ratio of 40-50 mL / g, performing ultrasonic extraction for 75-85 minutes in a water bath of 65-75 DEG C, performing cooling, and separating and collecting a supernatant to obtain a purple sweet potato anthocyanin extraction liquid. According to the invention, extraction of the purple sweet potato anthocyanin is performed by utilizing a combination of polyethylene glycol and an ultrasonic technology, reduction of by-products isfacilitated, costs are saved, potential safety hazards caused by using toxic reagents are avoided, and the polyethylene glycol has the effects of protecting the anthocyanin and improving extraction stability; and by utilizing the method provided by the invention, the extraction time is shortened, and meanwhile the yield of the anthocyanin is improved. The invention has simple operation, saves costs, improves production efficiency, promotes food safety, and has better economic and social benefits.

The invention relates to a method for preparing hot water-brewing instant Rouyanpi. The method comprises the following steps: (1) starch removal and shredding; (2) boiling; (3) cooling and soaking; (4) draining; (5) scallion washing and blanching; (6) seasoning liquid preparation; (7) material blending and filling into a mold; (8) standing and freezing; and (9) freeze-drying and bagging. The prepared product has no bad flavor, rehydration speed is fast, the texture is complete after rehydration, no phenomenon of soup burning or agglomeration occurs, and the acid value and peroxide value within6 months of the shelf life are kept within the acceptance index.

The invention provides a fresh-keeping storage method and device for long-distance transportation of roxburgh rose. The method comprises the following steps: S1, conveying roxburgh rose to a conveyingbelt through a discharging port, detecting the quality of the interior of the roxburgh rose through an infrared transmission spectrum machine, and hitting and enabling bad fruits to fall out of the conveying belt through a screening device; S2, conveying remaining roxburgh rose into a spraying pipeline of a spraying device, and spraying an atomized preservative onto the surface of the roxburgh rose; S3, enabling the roxburgh rose subjected to spraying treatment to naturally fall into transportation boxes in the spraying pipeline, and replacing air in the transportation boxes with ozone; and S4, piling up the transportation boxes and filling a transportation tool with the boxes for transportation. The fresh-keeping storage device comprises a feeding device, a detecting device, the screening device, the spraying device, the transportation boxes and an air interchanger. In conclusion, the method is perfect, the operation is convenient, the device is novel, and the freshness of the roxburgh rose can be kept to the maximum extent.