发明授权
US4986972A Method for making silicon nitride powder 失效
制造氮化硅粉末的方法

Method for making silicon nitride powder
摘要:
A mixture of silica powder and carbon powder is heated in a mixture of NH.sub.3 gas and C.sub.m H.sub.n gas. Only silica powder may be heated in a mixture of NH.sub.3 gas and C.sub.m H.sub.n gas.
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