英语语法分析

OBJECTIVE To study the protective effect of tetramethyl pyrazine (TMP) on cyclophosphamide injured mice.

目的：考察川芎嗪对小鼠环磷酰胺损伤的保护作用。

Objective To evaluate the effect of tetramethyl pyrazine(TMP)on noise induced hearing loss (NIHL) in hypobaric environment.

目的探讨川芎嗪对低气压及噪声环境下听阈阈移的影响。

3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.

以3，3′，5，5′-四甲基联苯二酚和环氧氯丙烷为原料两步法合成了3，3′，5，5′-四甲基联苯二酚二缩水甘油醚。