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2013-05-23 12:21
求翻译：With asymmetric membranes or dense polymer membranes, permeation of liquids occurs by a solution-diffusion mechanism. The selectivity depends on the solubility ratio as well as the diffusivity ratio, and these ratios are very dependent on the chemical structure of the polymer and the liquids.是什么意思？ 待解决
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With asymmetric membranes or dense polymer membranes, permeation of liquids occurs by a solution-diffusion mechanism. The selectivity depends on the solubility ratio as well as the diffusivity ratio, and these ratios are very dependent on the chemical structure of the polymer and the liquids.
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