这个词是什么意思？
Reversible chemical reaction between a solid, often one of the ION EXCHANGE RESINS, and a fluid whereby ions may be exchanged from one substance to another. This technique is used in water purification, in research, and in industry.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007474 · MeSH 2026。
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