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实验测定了水和乙醇在改性膜内的吸附等温线，并给出了膜的吸附选择系数；求取了水、乙醇分别与膜材料的相互作用参数，膜内溶解组成的理论值与实验值吻合良好。并考察了水－乙醇的优先扩散特征。
The adsorption isotherms of water and ethanol in the modified membrane were measured experimentally, and the adsorption coefficient of the membrane was given. The interaction parameters of water and ethanol with membrane material, the theoretical value and experiment The values agree well. The characteristics of preferential diffusion of water-ethanol were also investigated.