s good thermal insulation performance is widely used in coatings, chemical fiber, polymer film and other fields.

After using molybdenum disulfide lubrication in some equipment, the complicated oil supply system can be omitted, which greatly simplifies the structure of the equipment and relatively improves the effective area utilization.

Magnesium diboride is a typical multi-band superconductor. It has two hole-type σ bands, one hole-type π band and one electron-type π band.

There are many synthetic preparation processes for titanium carbide-based cermets. In actual production, suitable processes can be selected according to different application requirements and price factors.

Aluminum nitride, a covalent bond compound, chemical formula AIN, is an atomic crystal, belongs to diamond-like nitride, hexagonal crystal system, wurtzite crystal structure, non-toxic, white or off-white. AlN can be stabilized up to 2200℃.

The molecular formula of bismuth telluride is Bi2Te3. It is a gray powder under normal temperature and pressure, and it is an orthorhombic crystal system with space group. Bismuth telluride and its solid solution are the earliest and most mature thermoele

With the improvement of Si3N4 powder production, molding, sintering and processing technology, its performance and reliability will continue to improve, and silicon nitride ceramics will be more widely used.

Boron carbide can absorb a large number of neutrons without forming any radioisotopes, so it is an ideal neutron absorber in nuclear power plants, and neutron absorbers mainly control the rate of nuclear fission.

Calcium stearate is a white powder, insoluble in water, cold ethanol and ether, soluble in organic solvents such as hot benzene, benzene and turpentine, and slightly soluble in hot ethanol and ether.

Hafnium boride has high melting point, high hardness, good electrical and thermal conductivity, and good neutron absorption performance. It has important applications in the fields of ultra-high temperature materials, superhard materials, electrode materi