111results about How to "Efficient formation" patented technology

The invention relates to a polymer-based composite solid electrolyte, a preparation method and a sodium solid-state battery, and belongs to the technical field of solid-state batteries. The polymer-based composite solid electrolyte is prepared from the following components in parts by mass: 8 to 12 parts of alkene polymer, 4 to 8 parts of sodium salt and 1 to 8 parts of filler, and the filler is nitrided nano TiO2. The polymer-based composite solid electrolyte can be prepared in a simple and efficient mode, the ionic conductivity is high, the electrochemical stability window is wide, the ionic conductivity reaches 0.3-1.2 mS / cm, and the electrochemical stability window reaches 4.3-5.5 V; and meanwhile, the formation of good SEI can be promoted in the sodium solid-state battery, and the interface stability between the electrolyte and the electrode is improved.

The invention discloses injectable hydrogel for eye drug sustained release and a preparation method and application thereof.The method comprises the steps that a NaIO4 solution is dropwise added into a hyaluronic acid solution, after the reaction is conducted in a dark place at the room temperature, ethylene glycol is added for continuous reaction, and formylated hyaluronic acid is prepared; the preparation method comprises the following steps: adding adipic dihydrazide into a carboxymethyl cellulose solution, uniformly stirring at room temperature, adding 1-hydroxybenzotriazole and 1-ethyl-(3-dimethylaminopropyl) carbodiimide hydrochloride, and stirring to react, so as to prepare aminated carboxymethyl cellulose; and mixing the PBS solution of aminated carboxymethyl cellulose with the PBS solution of formylated hyaluronic acid, uniformly stirring, adding a to-be-carried drug and a FeCl3 solution, and carrying out a reaction to prepare the injectable hydrogel for sustained release of the eye drug. The hydrogel is convenient to use and high in gelation rate, effectively realizes controllable release of drugs, and has a wide application prospect in the field of biological medicines.

The invention relates to the technical field of coating preparation, and particularly discloses a multifunctional composite filler modified water-based coating and a preparation method thereof.The water-based coating is prepared from, by weight, 80-100 parts of modified core-shell acrylic acid dispersoid, 5-7 parts of multifunctional composite filler, 0.5-1 part of defoaming agent, 0.5-1 part of wetting agent, 2-5 parts of thickening agent, 1-2 parts of coalescing agent and 25-35 parts of deionized water. The water-based paint provided by the invention is modified by adding a proper amount of multifunctional composite filler, the performance is excellent, the stability is good, the components in the water-based paint have good compatibility by optimizing the preparation process conditions of the water-based paint, and the preparation method is simple to operate and suitable for industrial production.

The invention discloses an application of an azacyclo-thioketone compound, and particularly relates to an application of the azacyclo-thioketone compound in preparation of a vulcanizing agent. The azacyclo-thioketone compound is stable in property, not only has a thiocarbonyl sulfur atom of a reaction center in a molecular structure, but also has atoms with electron donating capability, such as nitrogen, oxygen and sulfur, on a heterocyclic ring, and selective flotation separation of copper, lead, zinc and iron sulfide minerals can be realized. However, no report about using the azacyclo-thioketone compound as the oxidized ore vulcanizing agent exists at present.

The invention relates to a durable light-color antistatic master batch, a fiber and a preparation method thereof. The durable light-color antistatic master batch comprises the following components in parts by mass: 1-20 parts of a macromolecular antistatic agent, 0-10 parts of metal nanoparticles, 3-5 parts of a dispersing accelerator, 0.3-0.5 part of a silane coupling agent and 70-90 parts of a polymer matrix. The modified metal nanoparticles are effectively and uniformly mixed with a macromolecular antistatic agent consisting of polyether and polyamide chain segments, so that an excellent synergistic effect can be achieved in a polymer matrix, and a complete effective conductive path is formed. The composite material can effectively form a complete conductive network under the condition of low addition amount, and the antistatic performance of the composite material is greatly improved. In addition, as the metal nanoparticles account for a small proportion of the whole antistatic fiber, the antistatic fiber is light in color, and dyeing and later processing and manufacturing are facilitated.

The invention provides novel liquid metal hydrogel as well as a preparation method and application thereof, and belongs to the technical field of flexible sensors and wearable equipment. Liquid metal is ultrasonically dispersed in a sodium alginate solution to form a liquid metal microparticle / sodium alginate suspension, then acrylamide and docosyl methacrylate are added, and the liquid metal hydrogel is prepared through crosslinking, the uniformly dispersed liquid metal microparticles can be used as flexible filler toughening hydrogel and can also be used as a water-soluble polymer, and the water-soluble polymer can also be used as a water-soluble polymer. And the polymer can also be used as an initiator to efficiently initiate hydrogel polymerization. Compared with hydrogel of the same type, the obtained liquid metal hydrogel has higher tensile strain and tensile strength, has good biocompatibility, high sensitivity, excellent durability, recycling performance and the like, and plays an important role in the fields of flexible sensors, wearable equipment and the like.

The invention provides nanocrystalline barium titanate dielectric ceramic, a preparation method thereof and a ceramic capacitor, and belongs to the technical field of ceramic materials. The preparation method of the nanocrystalline barium titanate dielectric ceramic comprises the following steps: adding barium titanate into a first solvent, and carrying out ultrasonic atomization to obtain barium titanate slurry; adding holmium nitrate, yttrium nitrate, dysprosium nitrate, calcium nitrate, magnesium nitrate, manganese acetate and zinc acetate into an inorganic solvent to obtain an inorganic doped solution, and adding tetraethoxysilane into a second solvent to obtain an organic doped solution; uniformly mixing the barium titanate slurry, the inorganic doping solution and the organic doping solution to obtain mixed slurry; adjusting the pH value of the mixed slurry to be alkaline, standing and precipitating, drying, sieving for the first time, and pre-sintering to obtain powder; sieving the powder for the second time, uniformly mixing the powder with a binder, sieving for the third time, granulating, and carrying out compression molding to obtain a green body; and degumming and sintering the green body to obtain the nanocrystalline barium titanate dielectric ceramic.

The invention belongs to the technical field of hydrophobic surface materials, and particularly relates to a method for constructing a super-hydrophobic surface based on amphipathic hollow silicon dioxide Janus nanoparticles, which comprises the following steps: constructing amphipathic Janus particles by using an adhesion polypeptide sequence of an obtained membrane as an adhesion end and 1H, 1H, 2H, 2H-perfluorooctyltriethoxysilane as a hydrophobic end; a rapid and efficient surface super-hydrophobic coating is successfully constructed, and the surface is endowed with antibacterial and anti-protein adhesion effects.

The invention relates to the technical field of photoetching materials, and particularly discloses a fluorine-containing polymer, a preparation method thereof and an ArF immersed photoresist prepared from the polymer. The fluorine-containing polymer comprises, by mol%, 5-15 mol% of a monomer A, 55-80 mol% of a monomer B and 15-30 mol% of a monomer C. The monomer A is a methacrylate monomer whose side chain is lactone, the monomer B is a methacrylate monomer whose side chain contains a protective group, and the monomer C is a methacrylate monomer whose side chain contains fluorine. The preparation method comprises the steps of dissolution, heating reaction, purification, drying and the like. The fluorine-containing polymer can be used for preparing an ArF immersed photoresist, a water-resistant layer with excellent hydrophobicity can be formed on the surface of the photoresist, the fluorine-containing polymer has good compatibility with the ArF immersed photoresist, and the developing performance of the photoresist is remarkably improved.

Provided is a resistance spot welding method capable of efficiently generating as large as possible nuggets while suppressing the occurrence of sputtering. In the resistance spot welding method, at least two steel sheets having a plating layer having zinc as the main component or an Al-Si plating layer are superposed, the at least two steel sheets are sandwiched by a pair of electrodes, pre-energization is performed between the pair of electrodes, and then formal energization is performed, whereby adjacent steel sheets are melted and joined to each other. The resistance spot welding method performs pre-energization in a manner including an energization mode in which the current value of the welding current at the start of energization of the pre-energization is set to the maximum value, and the current value sequentially decreases in a stepped manner from the maximum value as the energization time elapses from the start of energization.

The invention discloses a direct injection type high-heat-intensity blue light infrared gas appliance which comprises a combustion part, the combustion part comprises a furnace body and an injection pipe which are communicated with each other, a premixing adjusting plate matched with the furnace body is fixedly connected in the furnace body, and the premixing adjusting plate is arranged above the injection pipe; the flame stabilizing piece is arranged at the end, away from the injection pipe, of the furnace body. The ignition part is arranged in the furnace body, and an ignition positive electrode of the ignition part penetrates through and is exposed out of the flame stabilizing part; the nozzle piece is connected with one end of the injection pipe away from the furnace body. According to the gas appliance provided by the invention, the premixing adjusting plate can prolong the premixing path and adjust the distribution effect of the mixed gas, so that the axial length of the injection pipe and the radial size of the furnace chamber are effectively shortened, and uniform combustible mixed gas is efficiently formed; the built-in ignition part distributes most of fuel gas in most area of the middle area of the flame stabilizing part to form infrared combustion, and the outer edge part forms atmospheric combustion of blue flame and micro flame, so that efficient combustion and high heat intensity of the combustor are realized, the size of a gas appliance is effectively reduced, and the gas appliance is more portable.

A photomask, a method of forming a pattern, a method of manufacturing a display device, and an electronic device are provided. The photomask includes a transparent substrate having a first surface and a second surface opposite each other, a first semi-transparent layer disposed on the first surface of the transparent substrate, a light-blocking layer disposed on the second surface of the transparent substrate, and a second semi-transparent layer disposed between the second surface of the transparent substrate and the light-blocking layer. The second semi-transparent layer has a transmittance higher than that of the first semi-transparent layer.

The invention belongs to the technical field of algal polysaccharide extraction, and discloses a modification extraction method of algal asparagus polysaccharide and a method for preparing a lutein coating by using the algal asparagus polysaccharide. The modified extraction method comprises the following steps: extracting gracilaria lemaneiformis powder with a weak base solution, enabling lactide and polysaccharide to be subjected to grafting reaction through a redox initiation system under the assistance of ultrasonic waves, and then separating out a first polysaccharide component with high emulsibility and a second polysaccharide component with high gel property through graded alcohol precipitation. The two obtained functional components are used for coating xanthophyll, specifically, the first polysaccharide component emulsifies a xanthophyll oil phase to form a pre-emulsion, the second polysaccharide component is compounded with gelatin, a composite coacervate is formed on an oil drop interface by adjusting the pH value, and finally drying and curing are conducted. According to the method, two modified polysaccharides with definite functions can be synchronously obtained, the prepared xanthophyll coating is high in encapsulation efficiency, good in storage and processing stability and excellent in water dispersibility, and the problems that xanthophyll is unstable and difficult to apply are effectively solved.

The present invention provides a novel polishing composition comprising a water-soluble polymer containing at least a vinyl alcohol resin having a side chain group having 3 or more carbon atoms.

The present invention relates to the technical field of polymer composite materials, and specifically discloses a straw fiber modified wood plastic composite material. In the present invention, the straw fiber modified wood plastic composite material includes the following raw materials in parts by mass: 100 parts of polypropylene resin, 25-35 parts of flame retardant modified straw fiber, 3-5 parts of maleic anhydride grafted polypropylene, 12-20 parts of synergist, 1-3 parts of antibacterial agent, 1-1.5 parts of stabilizer and 1-3 parts of lubricant, wherein the flame retardant modified straw fiber is prepared from straw fiber powder, basalt fiber and organic flame retardant 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, and the straw fiber renewable resources are recycled in the present invention, which improves its added value and has significant ecological and environmental benefits. Through chemical grafting, each raw material has good dispersibility and compatibility, and the obtained composite material exhibits excellent mechanical properties and flame retardant properties.

The invention belongs to the technical field of auxiliary rehabilitation, and provides a skin pressure sensing device. The invention relates to a skin pressure sensing device which comprises a mounting group plate, and the mounting group plate is provided with at least one connecting plate and at least one connecting belt; any two adjacent connecting plates are connected through a connecting belt. The connecting plate is further provided with at least one vent hole, and the vent holes are evenly distributed in the connecting plate. Wherein the connecting plate is located on the skin surface of a patient; the vacuum assembly is arranged above the mounting assembly plate and covers the skin; the vacuum assembly comprises a vacuum sleeve, the vacuum sleeve is provided with a tightening opening, the vacuum sleeve is fastened on the body of a patient through the tightening opening, and vacuum can be formed. The device not only is reasonable in design, but also is simple to operate, and can reduce bacteria breeding of a wound by realizing an oxygen-free environment; the wound rehabilitation efficiency is effectively improved, so that the device is suitable for industrial popularization.

The utility model relates to the technical field of engine cylinders, in particular to a cylinder sleeve, a horizontally-opposed engine and a vehicle. A through hole is formed in the side wall of the cylinder sleeve; the through hole is configured in the mode that when the cylinder sleeve is installed in an engine and the piston moves to the end close to a crankshaft, the end, facing the piston, of the through hole can communicate with an oil ring arranged on the piston. The piston effect of the upper side wall face of the inner wall of the piston cavity of the horizontally opposed engine can be improved, and then the service life of the horizontally opposed engine is prolonged.

The present invention provides a resist composition having sufficient resistance to plating treatment and capable of forming a resist pattern with excellent precision. It also provides a method for manufacturing a resist pattern using the resist composition, and a method for manufacturing a plated molded article using the resist pattern. The present invention relates to a resist composition containing a compound (I) having a quinonediazide sulfonyl group, a resin (A1) containing a structural unit having an acid-labile group, an alkali-soluble resin (A2), and an acid generator (B), a method for manufacturing a resist pattern using the resist composition, and a method for manufacturing a plated molded article using the resist pattern.

The invention discloses a roller die drawing coating welding wire and a preparation method and application thereof. The invention belongs to the technical field of welding materials. The technical problems that in the current automatic welding process, splashing is large, electric arcs are not stable, and a contact tube is prone to being blocked are solved. The method comprises the following steps: heating plant-based ester oil, adding a composite nano additive, a solid lubricant, carbon black, MoS2 and nano CuO, and uniformly mixing to obtain a nano coating mixture; wherein the composite nano additive is prepared from nano aluminum oxide, nano titanium dioxide and nano graphene; and coating the nano coating mixture on a welding wire substrate through a coating machine, drying after coating, and carrying out on-line steam heating curing to obtain the coated welding wire. The method is used for preparing the stainless steel welding wire and the nickel-based alloy welding wire.

The invention discloses a preparation method and application of a tannic acid-cobalt sulfide nano aggregate. The nano aggregate is synthesized from cobalt chloride, thioacetamide or sodium thiosulfate and tannic acid through a one-step method. The preparation method has the advantages of simple and convenient operation, safe and easily available raw materials and the like. The tannic acid-cobalt sulfide nano aggregate prepared by the preparation method disclosed by the invention has excellent biocompatibility and extremely low cytotoxicity; meanwhile, the material has a good absorption characteristic in a near-infrared second region, and shows an excellent photo-thermal conversion effect. Based on the characteristics, the tannic acid-cobalt sulfide nano aggregate prepared by the invention can be used for near-infrared two-region photothermal therapy, and has a wide application prospect in the field of cancer therapy.

The invention provides a multi-core server heat dissipation control method, system and device and a storage medium. The method comprises the steps that firstly, flow information of cooling liquid at different environment temperatures is obtained; therefore, the turbulent flow fluctuation characteristics of the cooling liquid at different environment temperatures are extracted, and the cold energy loss of the cooling liquid at different environment temperatures is determined. Further determining the difference entropy of the liquid flow rate of the cooling liquid, and then determining the cold load capacity of the target multi-core server in the heat dissipation process; determining a heat exchange coefficient between the cooling block and each central processing unit according to all the heat exchange information, and then determining the heat transfer strength of each central processing unit in the heat dissipation process; and further determining the cooling cost of each central processing unit in the heat dissipation process, and carrying out dynamic cooling regulation and control on the cooling liquid in the target multi-core server based on all the cooling costs. By adopting the scheme of the invention, the influence of a thermal asymmetry phenomenon on the heat dissipation effect of the liquid cooling multi-core server can be reduced, so that the efficiency of the cooling system is improved.

The present invention relates to the technical field of sludge treatment, and proposes a forked bottom-turning chlor-alkali salt mud treatment equipment and a treatment method thereof, including a frame, a fixing part arranged on the frame, the fixing part having a first fixing hole and a second fixing hole, the first fixing hole and the second fixing hole being arranged coaxially and respectively located on both sides of the fixing part, the first fixing hole being used to fix the filter bag, the lifting part being arranged relative to the fixing part for lifting and lowering, and being located on one side of the second fixing hole, the auxiliary bag being arranged on the lifting part, the diameter of the auxiliary bag being larger than the diameter of the filter bag, the squeezing roller being arranged for lifting and lowering on the frame, the squeezing roller being configured to squeeze the filter bag when lifting and lowering, the squeezing part being arranged on the frame, the squeezing part having an squeezing cavity, the auxiliary bag and the lifting part being both located in the squeezing cavity, the squeezing cavity being used to squeeze the auxiliary bag, the forked roller being arranged for lifting and lowering on the frame, and the forked roller pushing the filter bag into the auxiliary bag after rising. Through the above technical scheme, the problem of poor uniformity of dehydration of chlor-alkali salt mud in the prior art is solved.

The utility model provides an efficient and energy-saving caustic soda flake concentration device. The device comprises an outer cover; the rotary drum is arranged in the outer cover, and the mounting table is arranged on one side of the outer cover; the driving device is arranged on the mounting table; the central shaft is arranged on the axis of the rotary drum and is connected with the driving device; the central shaft supporting seat is arranged on the outer cover and is connected with two ends of the central shaft; the scraper and the discharging bin are arranged on the other side wall, adjacent to the side wall where the mounting table is located, of the outer cover; the driving device comprises a motor; the reduction gearbox is connected with the motor; and the intermittent sheave mechanism is connected with the output end of the reduction gearbox. According to the efficient and energy-saving caustic soda flake concentration device, the mounting table lifts the mounting position of the driving device to the position close to the center shaft, and the driving device is connected with the center shaft so as to control the rotary drum to do intermittent movement. The caustic soda flake machine solves the problem that a caustic soda flake machine in the prior art is difficult to efficiently manufacture thicker caustic soda flakes under the same working condition due to continuous rotation of a rotary drum.

The invention relates to a water-based degreasing agent containing micro-nano molybdenum dioxide for removing dirt from nickel-based high-temperature alloy scraps and a preparation method of the water-based degreasing agent. The preparation method comprises the following steps: weighing 5% of potassium hydroxide and 77% of water in total mass percentage, and stirring in a stirring barrel; weighing 4% by mass of disodium ethylene diamine tetraacetate, 4% by mass of urea, 2% by mass of borax, 0.2% by mass of sodium benzoate and 0.4% by mass of water glass, and adding into the stirring barrel; after stirring to a certain degree, adding 3% by mass of fatty alcohol-polyoxyethylene ether, 0.5% by mass of molybdenum dioxide, 2% by mass of oleic acid, 1% by mass of triethanolamine and 0.9% by mass of ethyl alcohol, and after stirring is completed, preparing the degreasing agent containing micro-nano molybdenum dioxide after foam disappears. According to the stability theory of an emulsifier, the degreasing agent can be effectively used as the emulsifier to stabilize the formation of an emulsion, and micro-nano molybdenum dioxide can induce the arrangement mode of nonionic surface active micelles, so that the degreasing agent is more stable, the nonionic surface active micelles can be effectively induced, and dirt can be better sheared and stripped.

The present invention discloses a method for improving the complexity of far-well cracks by staged fracturing of horizontal wells and its application. Aiming at the problem of low complexity of far-well cracks formed by fracturing construction of unconventional oil and gas and dense sandstone oil and gas, the present invention uses different displacements, different viscosity slick water and glue combinations, different densities and different particle sizes of proppants, and adds floating agents and sinking agents, so that the upper part, lower part and end of the cracks can be effectively blocked, the net pressure at the far end of the main crack is increased, more branch cracks are formed at the far end of the main crack, and proppants with different particle sizes and different densities are used to effectively support the main cracks and branch cracks, so as to improve the volume and conductivity of crack transformation as a whole. Construction according to the proposed method can effectively improve the initial production and stable production after fracturing.

The invention discloses a polyacrylate compound for acid dye printing replacing urea and a synthesis method, belonging to the technical field of polymer material synthesis. The polyacrylate compound for acid dye printing replacing urea comprises a polymerization monomer, a cross-linking monomer, a composite emulsifier and an initiator, the polymerization monomer comprises at least an acrylic acid monomer, an acrylic ester and sodium styrene sulfonate, and also comprises itaconic acid or maleic anhydride, the cross-linking monomer comprises diallyl phthalate, the composite emulsifier comprises a reactive emulsifier, a nonionic emulsifier and / or an anionic emulsifier, the above raw materials are subjected to emulsion polymerization in a redox system to obtain the polyacrylate compound for acid dye printing replacing urea, the polyacrylate compound forms a network structure in an extended state, and the ability to bind water molecules and the network coating and holding water can be greatly improved in combination with the multiple anionic groups possessed by the polyacrylate compound, the polyacrylate compound has excellent moisture absorption, moisture retention, osmotic solubilization, dispersion and other properties, and has excellent environmental protection.

The invention belongs to the technical field of electrocatalyst preparation methods, and relates to a method for synthesizing a nano-composite electrocatalyst with a heterostructure through pulse laser induction and application of the nano-composite electrocatalyst. According to the invention, the electrocatalyst with more exposed effective active sites can be obtained by optimizing the pulse energy and using the time-shaped laser two sub-pulse sequences. The preparation method is simple in synthesis, short in time consumption, low in energy consumption and good in dispersity, and the heterostructure nano composite electrocatalyst has excellent carbon dioxide reduction performance and can be used for preparing a cathode electrocatalyst of a lithium-carbon dioxide battery.

This invention discloses a method for preparing a flame-retardant epoxy resin containing a recyclable flame retardant and its application. The method for preparing the flame retardant includes: preparing a manganese cobalt oxide flame retardant through the co-precipitation of manganese and cobalt ions followed by calcination. This invention synthesizes a manganese cobalt oxide flame retardant via a co-precipitation method and uses it as a filler in epoxy resin, curing it to obtain a green, halogen-free, environmentally friendly flame-retardant epoxy resin. It does not pollute the environment during pyrolysis or combustion and can effectively catalyze the conversion of harmful gases generated during combustion, which is beneficial to environmental protection and sustainable development. It has excellent flame-retardant properties, greatly reducing the release of heat, smoke, and harmful gases during epoxy resin combustion, significantly enhancing its fire safety. Furthermore, it enables efficient recovery of the flame retardant from the epoxy resin, with a recovery rate of up to 90.0%, achieving high-quality resource utilization.

The invention belongs to the field of biomedicine, and specifically discloses a method for screening a cell line resistant to enzalutamide and an application thereof, comprising the following steps: 1) reviving Lncap cells, and plating cells after the Lncap cells grow to a normal state; 2) after plating the cells, replacing the culture medium with an incomplete culture medium, and starving the Lncap cells; 3) after the starvation treatment, replacing the culture medium with a complete culture medium, and adding testosterone and 0.1-1 mg / mL acetylnitrosourea ENU, and treating for 8-24 hours to induce cell mutation; 4) washing the cells twice with a complete culture medium, and replacing the complete culture medium to continue culturing for more than 24 hours; 5) adding a first concentration of enzalutamide and culturing for one week; 6) using a second concentration of enzalutamide with an increased concentration to culture for one week; 7) using a third concentration of enzalutamide with a further increased concentration to culture for two weeks; 8) after the culture is completed, selecting monoclonal cells for culture amplification, and freezing and preserving; 9) identifying drug resistance to obtain a cell line resistant to enzalutamide.

The invention relates to the technical field of vehicle testing, in particular to a safety testing method for vehicle charging interface information, which comprises the following steps: sending normal and forged charging demand messages to a to-be-tested vehicle, and obtaining a demand response result of the to-be-tested vehicle; the vehicle to be tested is charged, normal signal data and forged signal data in the charging process are sent, and charging feedback information of the vehicle to be tested is collected; performing charging interruption forgery operation on the to-be-tested vehicle, sending a forgery charging interruption message, and obtaining a charging interruption response result of the to-be-tested vehicle; sending an invalid message to the to-be-tested vehicle for testing, and obtaining the charging system stability and the time verification capability of the to-be-tested vehicle; and evaluating the comprehensive performance of the to-be-tested vehicle and the charging pile under different attacks and forged data, and outputting a safety evaluation report. According to the method, the comprehensive performance of the vehicle and the charging pile under different attacks and forged data can be effectively evaluated, and a complete safety evaluation report is efficiently formed.