“physical aging of polymers”的概念、定义、翻译、参考文献-科学参考

单词	physical aging of polymers
释义	physical aging of polymers Encyclopedia 工学[高分子材料的性能]释 physical aging of polymers高聚物的物理老化高聚物不稳定结构在玻璃化转变温度Tg以下存放过程中，会逐渐趋向稳定的平衡态，从而引起高聚物材料的物理力学性能随存放时间或使用时间而变化的现象。
随便看	species diversity index species diversity pattern species diversity pattern along the elevational gradient species diversity pattern along the latitude gradient species evenness species extinction species hybridization species identification species indeterminata Species listed in Appendices of Convention on International Trade in Endangered Species of Wild Fauna and Flora Species listed in Appendices of Convention on the Conservation of Migratory Species of Wild Animals species nova species of radioelements species of structure species of tritium in the environment species poleward migration species pool hypothesis species prioritisation framework approach species range species red list species-removal experiment species richness species saturation species scaling species selection

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