英语语法分析

The enzymatic activity of tryptophan synthase was enhanced by adding polyhydroxy compounds.

色氨酸合成酶的酶的活性增强，加入多羟基化合物。

Optionally, the fluoroelastomers may be dual cured by both a polyhydroxy system and an organic peroxide system.

所述含氟弹性体可任选通过多羟基体系和有机过氧化物体系来双重固化。

A selective plugging agent was prepared from polyhydroxy - compound as gelling material and cross -linking agent BF.

用多羟基化合物作成胶剂与交联剂BF配制了选择性堵水剂。