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Presulfurization is an essential activation step as hydrogenation catalyst .

预硫化是加氢催化剂必不可少的活化步骤。

Tail gas hydrogenation catalyst and catalyst carrier .

尾气加氢催化剂及载体。

Study on the novel ru cstalysts for selective hydrogenation of benzene to cyclohexene .

苯选择加氢制环已烯新型钌催化剂的研究。

A trans-fatty acid is usually made from a vegetable oil - corn , cottonseed , or soybean , for example - that has been treated by a process called hydrogenation to make it a solid at room temperature .

反式脂肪酸是由植物油通过氢化作用使之在室温条件下以固体形式存在生产来的，比如玉米、棉籽和大豆。

Two most important designs of liquid phase catalytical hydrogenation reactors are introduced : stirrer and heat exchange .

介绍了液相催化加氢反应器最重要的2点设计：搅拌器和换热。