英语语法分析

The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.

研究了过渡金属催化的炔烃衍生物的异构化反应。

The principal synthetic methods, production and application about the tertiary acetylenic alcohols in domestic and abroad are introduced in this paper.

本文介绍了国内外叔炔醇的合成方法、生产及应用。