英语语法分析

The esterification conversion was about 90%.

反应最终转化率可接近90%。

The kinetics of esterification is discussed and kinetic equation set up.

探讨了酯化的动力学，并建立了动力学方程。

The paper introduces the catalyst research advances in esterification reaction of carboxylic acid.

本文介绍了羧酸酯化反应催化剂的研究进展。