Using this model the permanent distortion and work life in long term under thermal cycling can be predicted based on a few test data.
利用该模型，根据少量试验数据可预示长期冷热循环下的永久变形或工作寿命。
On the basis of relationship between permanent distortion and thermal cycling number, we present mathematical model in terms of power function.
根据实测的永久变形与温度循环次数的关系，提出了一个幂函数的数学模型。
With the aging time increasing, degradation effect became more superior, mechanical property and crosslink density decreased, while Compression permanent distortion increased.
但继续老化后，主链断裂逐渐占据主导地位，发生了氧化裂解，使橡胶力学性能和交联密度下降，压缩永久变形率增加；
The structure is designed reasonably to get a balanced consideration of the intensity, rigidity and toughness of the frame, having the merits of large capacity and no permanent distortion.
结构合理，能均衡考虑车架的强度、刚度、韧性，具有承载能力强，不发生永久性变形等特点。
It would be a distortion to portray the whole region as a zone of permanent conflict.
将它描绘成持久性冲突的高发地带也是一种曲解。
It would be a distortion to portray the whole region as a zone of permanent conflict.
将它描绘成持久性冲突的高发地带也是一种曲解。
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