ageing time

Increasing Nv value made the C-curve move towards the left side with shorter ageing time but did not influence the peak precipitation temperature.

随（？）v值增加，C曲线向时效时间短的方向移动，但不影响析出峰，应力加速μ相析出。

The optimum processing conditions were ageing time 24 h;

最佳工艺条件为老化时间24h；

The linear regression equation of the physical performance of the ethylene-propylene rubber with time was established base on the results of thermal ageing test.

通过某导弹用乙丙橡胶的热老化试验数据，建立了物理性能与贮存时间的线性回归方程，并利用该方程预测了其在海南环境下物理性能的变化情况。

The plastically deforming area of room temperature impact macro-scope fracture gradually reduces with the prolong of the thermal ageing time.

铸造双相不锈钢的室温冲击宏观断口塑性变形区随热老化时间的延长逐渐减小。

This decline in vigour with the passing of time is called ageing.

这种随着时间流逝的活力衰退就叫做衰老。

For both domestic and French steels with the same thermal ageing time, the tensile properties at room-temperature are better than that at high temperature.

在相同的热老化时长下两种钢的室温拉伸性能均优于高温性能。

The thermal ageing time has significant influence on strength and plasticity at room-temperature and tensile strength at high temperature of domestic steel, and so is long thermal ageing time on tensile strength at room-temperature and strength and plasticity at high temperature of French steel.

热老化时间对国产钢管的室温强塑性及高温抗拉强度有显著性影响，长时间热老化对法国钢管室温拉伸强度及高温强塑性的影响显著。

The effects of oxygen and thermal degradation and deforming velocity on the tensile properties of the polypropylene film for packaging are studied through the mechanical tensile test. At the same time, the effects of ageing time on the yield strength and elastic modulus are discussed.

采用拉伸实验，研究形变速率对聚丙烯包装薄膜屈服强度和断裂强度的影响，同时研究在80℃条件下热氧老化处理聚丙烯包装薄膜后，老化时间对材料屈服强度和弹性模量的影响。

The calcinations temperature ageing time influence the performance of desulphurization gypsum.

脱硫石膏的晶体颗粒形态是影响石膏制品性能的重要因素之一.

WHEN an ageing rock star goes on tour decades after his final hit, people remark cruelly that they thought he died some time ago.

若一个人老珠黄的摇滚歌星在最后一次走红的数十年后，再次登台巡演，人们会残酷地说他们认为他早已在很久之前死去。