英语语法分析

This article mainly studied synthesizing the p-hydroxybenzaldehyde, in which the raw material, paracresol, was oxidated by Mn2O3 in the sulphuric acid medium.

主要研究了以对甲酚为原料在硫酸介质中用Mn2O3作为氧化剂合成对羟基苯甲醛的工艺。