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。
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…
目的：建立食用菜油及其冷凝油的毛细管气相色谱分析方法，以利于食品检验和毒理学研究。
Objective: to establish a method of capillary gas chromatographic analysis for toxicologic study of rapeseed oil and its condensate.
文中涉及了蒸发器、冷凝器、冷凝蒸发器、中间换热器、毛细管和压缩机的设计计算。
The design calculations of evaporator, condenser, condensing-evaporator, medium heat transfer, capillary and compressor are described.
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