“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	optical bistability optical bistable device optical bleaching optical bleaching agent optical bleaching agent; fluorescent whitening agent optical branch optical breakdown optical brightness optical buffer optical burst optical burst switching，OBS optical cable optical camera optical camouflage optical cavity optical celestial navigation optical cement optical center optical ceramics optical chaos optical characteristics measurement optical character reader optical character reader, OCR optical character reader,OCR optical character recognition

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