英语语法分析

There are always some errors in the basic thermochemical data of the species.

总有一些物种的基本热化学数据的一些错误。

Thermochemical calculations do not take into account the speed of the reactions (kinetics).

热化学计算不考虑反应的速度（动力学）。

A new closed-cyclic thermochemical method for preparation of chlorine and soda has been studied.

本文对一种新的热化学闭路循环制氯与碱方法作了初步探讨。