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Black silicon carbide is made of quartz sand, petroleum coke and high-quality silica as the main raw materials, and is smelted at high temperature in a resistance furnace. The raw materials used in the manufacture of green silicon carbide, such as black silicon carbide, are roughly the same, and industrial salt is added as a reactant and accelerator to react in a resistance furnace. In terms of it...
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Silica powder is an odorless, pollution-free inorganic non-metallic material. Because of its excellent properties such as good temperature resistance, acid and alkali corrosion resistance, high thermal conductivity, high insulation, low expansion, stable chemical properties, and high hardness, it is widely used in chemicals, electronics, integrated circuits (IC), electrical appliances, Plastics, c...
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Automotive materials are the foundation of automotive design, quality and competitiveness. Every breakthrough technological advancement must be accompanied by innovations in materials and processes. Among many new materials, graphene has strong conductivity, the hardest material, and ultra-high strength. , Ultra-high thermal conductivity, ultra-high light transmittance and other properties, are wi...
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With human beings, there are wars against viruses and bacteria. Although every time we end up with human victory, we have paid a heavy price. At present, the common PM2.5 masks on the market can only filter the particles with a diameter of 2.5 microns in the air, while the N95 mask can block 95% of the particles with a diameter of 2.5 microns in the air. At present, it is from Sars, influenza, Ebo...
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The application of nano magnesium oxide as an expansion agent in cement-based materials is as follows: when nano-magnesium oxide is used as an expansion agent in cement-based materials, the mixing mass of nano-magnesium oxide is 1% to the mass of cementitious materials in cement-based materials. 10%; The advantage of using nano-magnesium oxide as an expansion agent is that the size of the magnesiu...
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1. The field of nano-ceramics Nano-ceramics refer to ceramics whose crystal grain size, defect size, second phase distribution and other microstructures are all at the nanometer level. It is usually made of nano-titania, nano-zirconia, nano-magnesia, nano-alumina and other particles through high-temperature sintering or hot pressing. Its advantages are good superplasticity, greater strength and ha...
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Due to its small particles and large specific surface area, nano titanium nitride can be dispersed in other materials to form a conductive network, which greatly improves the conductive performance of the composite material. Therefore, nano-titanium nitride is a material with broad application prospects. Among them, the applications of nano-titanium nitride TIN in electrochemistry are as follows: ...
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Nano SiO2 is non-toxic, odorless, non-polluting, has the advantages of high surface energy and strong adsorption capacity. It is a high-quality stabilizer and fusion machine, and has a wide range of applications in the fields of electronics, optics, and biochemical sciences. It is a nano material with great industrial application prospects. Nano silica has the advantages of small particle size, la...
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Nano cuprous oxide is a new type of P-type semiconductor material with active hole-electron pairs and good catalytic activity. Because of its unique properties, it has a wide range of applications in many fields. SAT NANO---Nano cuprous oxide (Cu2O) is a widely used photoelectric material, it is the oxide of monovalent copper, dark red powder. The particle size is 30-50 nanometers and the purity i...
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Vanadium dioxide (VO2) is a binary oxide with a strongly correlated electronic system. Due to the strong interaction of its internal electrons, orbits, crystal lattices and spins, local electronic and crystal structure changes caused by small external stimuli can be sufficient. Induce VO2 to undergo a reversible metal-insulator phase transition. Along with the phase change, the crystal structure, ...
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Objective: To prepare a polishing slurry of α-Al2O3 nanoparticles with good dispersion stability; to improve the chemical mechanical polishing performance of sapphire; Disperse α-Al2O3 in different dispersing media such as silica sol, cerium oxide sol, water, etc.; prepare a polishing slurry of α-Al2O3 nanoparticles under conditions of different pH, different silica sol concentration and silica so...
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In order to explore the ultraviolet protection performance of nanofibers, the ultraviolet shielding nano titanium dioxide (TiO2) was added to the polyacrylonitrile (PAN) solution, and pure PAN and composite PAN/TiO2 nanofiber membranes were prepared. Scanning electron microscopy and UV transmittance analysis were used. The instrument analyzed the microscopic morphology and UV protection performanc...
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