cyclic temperature damage factor 温度周期变化损伤因子
And the expression of aging damage factor against aging time and aging temperature was obtained by experiment.
得到了老化损伤因子与老化温度和老化时间的关系式。
The method to determine the minimum upset temperature by means of the damage factor of temper embrittlement was introduced, and the dependable basis for equipment safe operation was offered.
用基于风险检验评估方法分析了石化装置中运行的高温设备发生脆性断裂失效的可能性，介绍了利用回火脆化损伤因子确定最低升压温度的计算方法，为装置安全生产提供了可靠依据。
The relation between ultrasonic velocity and damage factor is obtained, and the damage factor will increase as the temperature increases.
建立了超声波速与损伤因子的关系，并且得到该砂岩随经历温度的升高损伤因子逐渐增大的规律。
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