“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	velocity determination velocity dispersion velocity-distance relation velocity distribution velocity distribution function velocity distribution law of ideal gas molecules velocity ellipse velocity ellipsoid velocity field velocity-flow relation velocity for erosion and sedimentation control velocity gain guidance velocity gradient velocity-gradient force velocity-gradient tensor velocity hodograph velocity in free space velocity loss coefficient of turbine guide vanes velocity matching velocity measurement velocity measurement of radio navigation velocity measurement quantity velocity modulation velocity of detonation velocity of entry

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