因此，通过异丁烷脱氢扩大异丁烯的来源是必要的。
Therefore, it is necessary to extend the resource of isobutene by dehydrogenation of butanes.
因此，通过异丁烷脱氢扩大异丁烯的来源是必要的。
Therefore, it is necessary to extend the resource of isobutene by dehydroge…
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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