Sorption is a physical or chemical process.

吸着是一个物理或化学过程。

Ion exchange is an important chemical process.

离子交换是一个重要的化学过程。

The formation of hydroxyls is a key step in this chemical process.

羟基的形成是这个化学过程中的关键步骤。

The accuracy of the flowmeter is crucial for the chemical process.

流量计的准确性对化学过程至关重要。

Another method is the chemical process.

另一种方法是化学方法。

Polymerization process is a kind of typical chemical process.

聚合过程是典型的化工过程.

The hardening of cement is a chemical process.

水泥的硬化就是一个化学过程.

This is purely a chemical process involving a neutralization reaction.

皂化过程包含中和反应,属于纯化学过程.

Methods:To identify with physical-chemical process, TLC and UV spectrophotometry.

方法：采用理化、薄层色谱、 紫外光谱的方法鉴别。

This paper discusses a practical case study on a chemical process.

本文用一个化工过程的实例,讨论具体实施方案.