hydogeaio

　　1 . The hydrogenation can be controlled to produce any degree of hardness desired in the product.

　　为了生产所需要的任何硬度的产品,可对氢作用加以控制.

　　来自辞典例句

　　2 . The hydrogenation of olefins affords an example where both heterogeneous and homogeneous catalyses are effective.

　　烯烃的加氢反应就是这样的一个例子,对它说来均相催化和多相催化都是有效的.

　　来自辞典例句

　　3 . The catalytic activity of tungsten carbide was studied through hydrogenation of benzene.

　　苯加氢催化反应实验是在一个常压固定床中进行.

　　来自互联网

　　4 . Its hydrogenation activity in aromatics saturation and ring opening activity were investigated.

　　芳烃加氢饱和及开环反应是一种提高柴油十六烷值的有效途径.

　　来自互联网

　　5 . Menthol was obtained from lemon eucalyptus oil via cyclization and catalytic hydrogenation .

　　以柠檬桉叶油为主要原料经环化、催化氢化二步反应得到薄荷醇.

　　来自互联网