交换性离子的英文：
exchangeable ion

exchangeable是什么意思：
adj. 可交换的，可兑换的，可替换的

regional exchange
美国在纽约以外地区的证券交易所

This exchange takes place in the foreign exchange market.
汇兑是在外汇交易市场上进行的。

He gambles on the stock exchange.
他从事股票投机。

Sometimes we exchange with words.
有时我们相互交谈几句。

I'll exchange it for a token.
我给你换个专用辅币。

ion是什么意思：
n. 离子

Both schemes indicate that the nitrite ion is not produced by the reduction of the nitrate ion
这两种方案都表明亚硝酸根离子不是由硝酸根还原生成的。

Several reducible ions are present in the solution.
溶液中同时存在几种可还原的离子。

"As the chloride ion and in the hypochlorite ion, it has valence 1; in the chlorite, chlorate, and perchlorate ions, it has higher valences"
其原子价是1，即氯离子，但在次氯酸根、亚氯酸根、氯酸根和过氯酸根中有其它的原子价。

Ion Chromatographic Method for Determination of Impurities in Tripolyphosphate
离子色谱法测定食品添加剂三聚磷酸盐中的杂质含量

Formation of an alkyl ion occurs according to reactions
按照反应式生成烷基离子。