A modified free - volume diffusion model for binary aqueous mixtures in pervaporation was developed on the basis of free -volume diffusion theory.
在自由体积扩散理论的基础上，提出了渗透蒸发过程中二元水溶液在聚合物膜中扩散的修正自由体积模型。
The solidification shrinkage mechanism of unsaturated polyester resin is analysized by using free Volume theory in this paper.
本文用自由体积理论分析了不饱和聚酯树脂的固化收缩机理。
The changes in intrinsic time of viscoelastic materials are usually studied in the framework of the free volume theory.
这个特征时间受多种因素的影响，如温度、物理老化、 压力和溶剂浓度、损伤、应力水平或应变水平等。
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