64results about How to "Rapid industrialization" patented technology

The invention belongs to the field of preparation of nanomaterials and discloses three-dimensional mesoporous carbon-loaded molybdenum carbide and a preparation method and application thereof. The preparation method comprises the following steps of dissolving a soluble molybdenum salt in water, adding an organic carbon source and a template agent, adjusting the pH value of the solution to be 0-7.0, stirring and evaporating the solution to obtain gel, further dehydrating the gel to obtain xerogel, and calcining the xerogel at the high temperature in the atmosphere of inert gas or reducing gas;carbonizing the organic carbon source to obtain carbon, reducing and carbonizing molybdenum through reducing substances generated in the carbonization process of the organic carbon source to obtain nano molybdenum carbide, soaking nano molybdenum carbide in dilute acid to remove impurities, and then obtaining a target product. Compared with a bulk molybdenum carbide material, the three-dimensionalmesoporous carbon-loaded molybdenum carbide has the advantages that a conductive three-dimensional carbon network structure is obtained, the specific surface area is greater, more reactive sites aregenerated, a carbon-loaded structure prevents molybdenum carbide from agglomerating during high-temperature calcination, and therefore three-dimensional mesoporous carbon-loaded molybdenum carbide hasexcellent electrocatalytic performance.

The invention discloses an LED (Light-Emitting Diode) packaging structure using a transparent oxide substrate, comprising a plane type transparent oxide substrate, a fluorescent thin film and more than one LED chip, wherein a conductive pattern is arranged on the front face of the transparent oxide substrate; an LED bonding region is reserved on the conductive pattern and the LED chips are arrayed on the LED bonding region; and the fluorescent thin film is packaged on the front face of the transparent oxide substrate to seal the LED chips between the transparent oxide substrate and the fluorescent thin film. According to the LED packaging structure using the transparent oxide substrate provided by the invention, a traditional structure for emitting light from one side is broken through, the light emitting efficiency is extremely improved, and the heat radiation capability is improved; the reliability and the consistency of a product are improved by a full-page packaging method, so that the LED packaging structure is suitable for industrial rapid and efficient production; and furthermore, isolating glue is avoided being used and the service life of the product can be prolonged effectively.

A serial photovoltaic array high-voltage isolation apparatus consists of a multi-winding high-voltage isolation transformer, a power optimization single-phase or three-phase voltage regulation circuit and a direct-current power output circuit. The multi-winding high-voltage isolation transformer consists of n input windings, a voltage regulation input winding and a power output winding, and n is an integer not less than 1. the input ends of the n input windings of the multi-winding high-voltage isolation transformer are correspondingly connected with the output ends of n inverters respectively. The input end of the voltage regulation input winding is connected with the output end of the power optimization single-phase or three-phase voltage regulation circuit. The output end of the power output winding is connected with the input of the direct-current power output circuit.

The invention discloses a method for continuously producing copper oxide, belongs to the technical field of metal oxide preparation, and aims to provide a method for continuously producing the copperoxide with low energy consumption and high conversion efficiency. The technical key points of the method sequentially include the following steps: continuously introducing a copper-containing solutionand an alkali solution into a tubular reactor according to a mol ratio of 2: 1-1.3, reacting in the tubular reactor under the condition of pH value of 8-14 to obtain a copper hydroxide-containing solution, and using reaction heat to raise the temperature of the solution to partially decompose the solution into the copper oxide; continuously heating to raise the reaction temperature to 60-95 DEG Cfor further decomposing copper hydroxide into the copper oxide, and controlling the length of a reaction tube and the flow rate of the reaction solution to control the granularity of the copper oxideproduct; and separating the reacted product mixture by a continuous centrifuge to obtain the copper oxide.

The invention belongs to the field of zinc-air battery air electrode materials, and discloses a nickel cobalt iron hydroxide coated nickel cobaltate flexible electrode material and preparation and application thereof. The preparation method comprises the following steps: performing in-situ solvothermal growth and air calcination on a conductive substrate to obtain a nickel cobaltate nano array, and performing solvothermal deposition on nickel cobalt iron hydroxide on the surface of the nickel cobaltate nano array by using soluble salts of three transition metals including nickel, cobalt and iron to obtain the nickel cobaltate flexible electrode material coated with the nickel cobalt iron hydroxide. According to the nickel cobalt iron hydroxide coated nickel cobaltate flexible electrode material disclosed by the invention, ion transmission and electrolyte diffusion are promoted by utilizing a three-dimensional porous network structure; the nickel cobaltate nanowire and the nickel-cobalt-iron hydroxide shell layer are combined to increase the number of active specific surfaces and active sites, so that the composite electrode material has excellent oxygen evolution reaction and oxygen reduction reaction performance, and high specific discharge capacity, high energy density and outstanding cycling stability are realized when the composite electrode material is applied to a rechargeable zinc-air battery.

The invention provides a standard harmonic assembly speed-reducing mechanism of an electric bicycle, which totally uses a marketized general standard harmonic transmission assembly, adds accessories, i.e. an inner sleeve and an outer sleeve of a flexible gear, on the flexible gear of the standard harmonic transmission assembly and increases the functions of the standard harmonic transmission assembly to meet the special requirements of the electric bicycle so that a standard part commodity of a core part, i.e. the harmonic transmission assembly, of a harmonic speed-reducing driving machine of the electric bicycle can be purchased in the market. The invention greatly reduces the manufacturing cost, provides the production efficiency and fast realizes the industrialization of a harmonic speed-reducing electric bicycle technology.

The invention provides a method for preparing a tacrolimus ointment. The method comprises the following steps of: 1, weighing purified tacrolimus, white beeswax, liquid paraffin, paraffin, white Vaseline, propene carbonate and propanediol in the mass ratio of 1:30:40:30:520:10:10; 2, mixing the white beeswax with the liquid paraffin and the paraffin, heating for melting, mixing uniformly to obtain a mixed solution I, and preserving heat at the temperature of 70 DEG C for later use; 3, heating white Vaseline for melting to obtain a white Vaseline solution, and preserving heat at the temperature of 70 DEG C for later use; 4, mixing propanediol and propene carbonate uniformly in the ratio of 1:1 to obtain a mixed solution 2; 5, dissolving tacrolimus into the mixed solution of propanediol and propene carbonate to obtain a mixed solution 3, and preserving heat at the temperature of 70 DEG C for later use; and 6, dispersing the mixed solution 3 into the white Vaseline solution to obtain a mixed solution 4, adding the mixed solution 4 into the mixed solution I to obtain a solution 5, stirring at the temperature of 70 DEG C for 10 minutes, cooling, and continually stirring till the solution 5 is condensed into an ointment.

The invention discloses a high-temperature and high-pressure preparation method of cubic-phase scandium germanium oxide, and belongs to the technical field of magnet material preparation. The high-temperature high-pressure preparation method includes taking scandium oxide and germanium oxide as raw material and preparing the cubic-phase scandium germanium oxide through technical processes of material mixing and briquetting, packaging, high-temperature and high-pressure combination, cooling and pressure releasing. The high-temperature and high-pressure combination includes keeping temperature at 1300-1500 DEG C and pressure at 5 GPa for 15-60 minutes, and finally cooling and releasing pressure. The high-temperature and high-pressure preparation method is completely processed in the environment without water and modifier, unnecessary impurities can be avoided radically, so that the obtained cubic-phase scandium germanium oxide is high in purity. Equipment adopted by the method is largely used for producing adamas, and is easy to operate; industrialization can be realized early; and high-quality cubic-phase scandium germanium oxide can be obtained.

The invention discloses a design method of a streamline tunnel type turbocharger. The design method comprises the following steps: 1, forming a streamline tunnel turbine by applying a streamline tunnel type rotating fluid mechanical runner design and forming method; 2, on the basis of the structure of a traditional turbocharger, matching the streamline tunnel turbine with a traditional radial-flowtype air compressor, and obtaining a streamline type tunnel turbocharger rotor structure; 3, designing a turbine end volute according to the rotor structure obtained in the step 2, and performing aerodynamic performance simulation analysis; 4, establishing a rotor kinetic model according to the rotor structure obtained in the step 2; and 5, performing rotor dynamic characteristic simulation research according to the rotor dynamic model obtained in the step 4 to verify the stability of the rotor dynamic model. The design method of the streamline tunnel type turbocharger has the advantages thatthe strength is high, the turbocharger is not prone to damage, the weight can be reduced, and the cost is reduced.