英语语法分析

Thus, this polymer catalyst is especially suited to the hydrogenation of the ethylenic double bonds which are linked to aromatic, cyano, carboxyl and ester groups.

苯基、氰基、酯基、羧基在反应中不受影响。 因此，这一聚合物催化剂特别适用于和芳基、腈基、羧基和酯基相连的双键的氢化。