| 释义 |
ion exchangen.（名词）- A reversible chemical reaction between an insoluble solid and a solution during which ions may be interchanged, used in water softening and in the separation of radioactive isotopes.离子交换：不可溶固体与溶液间发生的一种可逆化学反应，在这一过程中离子可以相互交换。这种反应被用来软化水和分离放射性同位素
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