The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.
实验表明，所制备的纳滤膜能有效截留二价和多价阳离子，对单价阳离子的截留率极低。
The result showed that bivalent and multivalent cations could be removed effectively, while the rejection of univalent cations was very low.
实验表明，所制备的纳滤膜能有效截留二价和多价阳离子，对单价阳离子的截留率极低。
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