同时对淡水室树脂层态进行了分析，详细描述EDI脱盐工艺中的离子迁移行为。
Meanwhile, the form of the resin layer in the fresh water compartment is analyzed, with a detailed description made of the ion migration behavior in the EDI demineralization process.
采用实验室土柱法研究了重金属镉离子在非饱和土壤中的迁移规律。
The procedure of heavy metal cadmium ion transport through unsaturated soils was simulated by virtue of laboratory soil column tests.
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