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,正丁烷脱氢异构分为两类,过渡金属双功能过渡金属氮、碳碳氧。

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.

分析了妨碍碳氮合成成功的原因,对相关的类石墨的碳氮合无定型的碳氮合作了介绍。