aunion exchang resin怎么读 aunion exchang resin是什么意思
aunion exchang resin的用法和样例
- The sodium is removed with cation exchange resin.
钠用阳离子交换树脂来分离。 - A new method for the determination of trace iron by ion exchange resin phase spectrophotometry was developed.
提出了利用离子交换树脂相分光光度法测定痕量铁的方法。