英语语法分析

Acetates were synthesized with ammonium ferric sulfate as catalyst.

以十二水合硫酸铁铵为催化剂合成乙酸酯。

The recovered cobalt and manganese acetates can be reused for catalyst.

回收的醋酸钴和醋酸锰可以重复用作催化剂。

They were mainly monoterpenes, monoterpene alcohols, monoterpene acetates and sesquiterpenes.

它们主要是单萜烯、单萜烯醇、单萜烯乙酸酯和倍半萜烯。