英语语法分析

The hydroxycitronellal has been synthesized from citronella oil.

从香茅油出发合成了羟基香茅醛。

The reaction conditions of synthesizing hydroxycitronellal have been explored.

探讨了合成羟基香茅醛的反应条件。

Study on Synthetic Technique of Hydroxycitronellal by means of Citronellal Protected by Diethanolamine;

研究桂醛、羟基香茅醛对小鼠离体皮肤透皮吸收率。