The fretting fatigue life under complex loads monotonously decreases with the increase of the high cycle load while the low cycle loads keep constant.
复合载荷下，低周幅值不变，增加高周载荷的幅值，微动疲劳寿命随幅值比的增加而降低。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
Solving this problem is helpful to prolong the working cycle of the delayed coking equipment and insure treatment of low quality material in high load.
解决大瓦斯线结焦是延长焦化装置生产周期，确保高负荷加工劣质原料的关键手段之一。
The invention has the advantages of short starting cycle, high processing efficiency, high organic load, strong shock resistance and stable operation.
本发明启动周期短，处理效率高，有机负荷高，抗冲击能力强，运行稳定。
The results show that the crack growth rate under high-low cycle complex fatigue load is greater than that under low cycle fatigue load, and so the fatigue life is obviously reduced.
结果表明：与纯低周载荷作用相比，高低周复合载荷下球墨铸铁的裂纹扩展速率明显加快，极大地降低材料的疲劳寿命。
In the design of current-mode PWM DC-DC converters, the slope compensation method widely used to prevent sub-harmonic oscillation can significantly weaken the load capacity under a high duty cycle.
电流模pwm集成dc - DC变换器设计中，为了防止亚谐波振荡而普遍采用的斜坡补偿，会在占空比较大时严重影响芯片的带载能力。
Although the planar double-enveloping worm gearing has advantages of high transmission efficiency, excellent load capacity, long life cycle and so on, it has been used in a limited way.
虽然平面二次包络环面蜗轮副具有传动效率高、承载能力大、使用寿命长等优点，但它的应用却始终受到限制。
Although the planar double-enveloping worm gearing has advantages of high transmission efficiency, excellent load capacity, long life cycle and so on, it has been used in a limited way.
虽然平面二次包络环面蜗轮副具有传动效率高、承载能力大、使用寿命长等优点，但它的应用却始终受到限制。
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