In the context of this invention, the term "miscible solution" or "miscible composition" means a single phase solution.

在本发明中，“混的解决办法”或“混组成”是指一个阶段的解决办法。

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So the condition of phase separation for multicomponent solutions is that activity coefficient of some components have a increasation steeply at phase interface with partly miscible solution.

为此，本文认为具有部分互溶组分活度系数的突变可做为多组元溶液分相的判据。

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The results showed that PVDF and PS belong to being in partial miscible system and the co blend membrane made by this casting solution possesses fairly high flux.

实验结果表明，PVDF和PS属部分溶混体系，由这种溶混体系制成的超滤膜水通量有较大幅度提高。

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