ion exchangeresins的用法和样例：
例句
- Sodium chloride and hydrochloric acid are often used to regenerate spent ion exchange resins used in water purification.
氯化钠和盐酸常用来再生水净化中用的废的离子交换树脂。 - 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。
