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What is NbC powder?Niobium carbide is a green cubic crystal with a metallic luster belonging to a salt chloride-type cubic crystal system. Its melting point is high, its solidity is high (microhardness is 235GPa, which is harder than diamond), as wel…
Niobium carbide (NBC and Nb2C) is a very hard refractory ceramic material, widely used in refractory high temperature materials and cemented carbide additives.…
Koalas were declared endangered in eastern Australia on Friday, with more and more koalas dying from disease, habitat loss, and other threats. Earlier, the koala was considered a vulnerable species, and the Commonwealth Department of the Environment…
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