查询词典 fatigue

The fatigue tests of concrete on biaxial tension-compression under constant -amplitude cyclic loading with constant confined stress are described in this part of the thesis.

总结了混凝土边界面模型发展的历史及其基本概念，分析了混凝土边界面模型构建的一般方法。

Secondly the fatigue test is carried out under the constant amplitude cyclic loading for the specimens which are exposed in the corrosive environment for equivalent calendar time of zero year, 3 years, 8 years and 13 years.

飞机结构日历寿命的确定与腐蚀环境对飞机结构寿命的影响紧密相连，材料抗疲劳性能随日历年限的变化规律和腐蚀环境作用后的疲劳累积损伤理论是科学地确定飞机结构日历寿命的基础。

The results show that:there are obvious cyclic creep behaviour during constant stress amplitude low-cycle fatigue in 62Sn-36Pb-2Ag surface mount solder joints.

研究了表面封装焊在剪切应力作用下等温低周疲劳特征，得到疲劳寿命与循环应力幅的关系曲线。

The fatigue crack initiation threshold from the notch root in Ni〓Al SC is dependent of crystal orientation under far field cyclic tension and cyclic compression.

在远场循环拉-拉或循环压缩作用下，Ni〓Al单晶体的缺口根部的疲劳裂纹萌生门槛值都依赖于晶体取向。

For three kinds of materials, a family of equivalent damage curve was measured on various stress levels using toughness degradation fatigue tests by fixing a group of cyclic numbers.

通过固定一组循环数进行不同应力水平加载试验，用韧性耗散法测得三种材料等效损伤线族，它显示了损伤场全貌。

For the materials, which have no cyclic steady stage but exhibit cyclic softening, this method isn't suitable to determine the low cycle fatigue damage with the change of stress.

对没有明显循环稳定阶段并表现为循环软化响应行为的材料，不适合用应力的变化来定量的反映材料低周疲劳的损伤过程。

Check paper may affect the pressure of the pressure that the reason for the press paper under the valve in the fuel tanks in the culumn because of the unavailability for a long time fatigue has broken off a section of this article, press paper cylinder performance of the product will be trimmed to be exerted by request, the replacement of a good spring, cut-quatily.

逐一检查可能影响压纸器压力的诸多方面后，发现原因在于压纸油缸内下阀芯里的压力弹簧因用久疲劳折断了一节，致使压纸油缸的工作性能满足不了产品裁切时应施加的压力要求，更换完好的弹簧后，裁切的质量达到了要求。

Aimed at the crankshaft fatigue of certain typed 4 cylindered internal combustion engine this paper established the dynamics model of piston-shaft system and carried out simulation.A...

文中针对某型号4缸内燃机曲轴疲劳，建立了活塞-轴系动力学模型并进行仿真，然后把仿真结果转化为时间载荷传递到曲轴的有限元计算模型中，最后对该有限元模型进行疲劳仿真，从而获得整个曲轴的疲劳寿命计算结果。

"Can you listen to me without fatigue, Cyrus?"

"你听我说话不觉得累吗，赛勒斯？"

In 2009 Daimler will introduce a device that warns drivers of fatigue.

2009年戴姆勒公司将推出一种能够警告司机疲劳驾驶的装置。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。