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1·Good separation of co-ions and counter ions cannot be achieved by a single type of the singly charged NF membranes.

采用单一的荷电纳滤膜是不能实现同名离子和反荷离子之间的高效分离的。

2·It can be concluded that good separation of both co-ions and counter ions cannot be achieved by a single type of the singly charged NF membranes.

总体上讲，采用单一的荷电纳滤膜是不能同时取得同名离子之间和反离子之间的高效分离的。