The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.

目前,正丁烷脱氢异构催化剂可以分为两类,过渡功能催化剂和过渡氮化、碳化和碳氧化催化剂。

The reason for the fail of carbon nitride synthesis was analysed and relevant graphitoid carbon nitride and unformed carbon nitrides were introduced in the article.

分析了妨碍碳氮化合成成功原因,对类石墨碳氮化合和无定型碳氮化合作了介绍。