“gas permeation property of polymer materials”的概念、定义、翻译、参考文献-科学参考

单词	gas permeation property of polymer materials
释义	gas permeation property of polymer materials Encyclopedia 工学[高分子材料的性能]释 gas permeation property of polymer materials高分子材料透气性高分子链段因微布朗运动产生局部密度涨落或直径小于10Å的微隙，使气体分子在逸度差的驱动下透过材料的性质。
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