The tungsten boat is a type of tungsten vessel that looks like a boat. It can also be called the tungsten water boat, tungsten evaporation boats or coated tungsten boats. By high-temperature stamping, tungsten boat is made out of high-purity sheet.
A cement foaming agent based on animal protein is made mainly from keratin proteins from the horns. This causes it to have an unpleasant odor. Coproduct, which is the product of several chemical reactions and physical treatments
Tantalum diboride (TaB) is a new ceramic material with high hardness, high melting point, excellent chemical stability and high temperature mechanical properties, which has a wide application prospect in aerospace, machinery, chemical industry and other fields.
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