过渡金属碳化物和氮化物具有高硬度、高熔点、耐磨损和耐腐蚀的优良特性，被广泛应用于切削刀具和用作硬质涂层。
In this thesis, a first principles study of the electronic properties and mechanical properties of transition metals, transition metal carbides and nitrides is presented.
利用程序升温反应法制备了一系列过渡金属碳化物和磷化物，研究它们的晶格热稳定性，考察它们的NO解离和还原反应性能。
A series of transition metal carbides and phosphides were prepared by temperature-programmed reaction method, and their activities for NO dissociation and reduction reactions were investigated.
过渡金属氮化物与碳化物是一类间充性化合物，其结构特点决定其在催化反应上具有独特的催化效果。
Transition metal nitrides and carbides were a class of interstitial compounds with special structure characteristics which decided distinctive catalytic effects.
目前，正丁烷脱氢异构催化剂可以分为两类，过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。
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，过渡金属双功能催化剂和过渡金属氮化物、碳化物和碳氧化物催化剂。
The catalysts on studying can divide into two kinds: the transition metal bifunctional catalysts and the nitride, carbide and oxycarbide catalysts of transition metals.
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