With the increase of mean cluster size(MCS)at different water activities, multi-layer sorption and capillary condensation occur, which lead to the diminution of diffusion coefficients in P...

• 结果显示,随着水蒸气活度的增加,膜内水分子簇尺寸增大,并在膜的微孔内产生多层吸附甚至毛细管冷凝,导致扩散系数迅速降低。