查询词典 fatigue

Based on a series of fatigue tests,the developing rule of deflection is analyzed.

该方法的关键科学问题之一是疲劳荷载下增强梁的变形规律。

The paper analysed contact fatigue performances of vacuum degasification steel and common electric steel.

试验并分析了真空脱气钢和普通电炉钢的接触疲劳性能。

Dehydration is a major cause of fatigue .

脱水是疲劳的主要原因。

The resuits show that metallurgical deject is the main reason leading to early formation of fatigue crack under normal working stress .

认为，该曲轴材料的冶金缺陷是导致疲劳裂纹在正常工作应力下过早形成的原因。

In order to study the fatigue of pressure vessel commonly encountered problem in engineering with large destructibility , based on the theory of fracture mechanics , the pressure vessel existing original crack was equivalent to the problem of infinite flat with center crack .

为了分析工程中常见的破坏性极大的压力容器疲劳问题，基于断裂力学理论将存在初始裂纹的压力容器等效为无穷远处作用均匀拉应力的含中心裂纹无限大板问题，解出表面半椭圆裂纹和穿透裂纹的应力强度因子；利用断裂判据得到裂纹的临界断裂尺寸；采用Paris表达式对裂纹扩展速率进行描述，推导出初始裂纹在不同裂纹尺寸和形式下的裂纹疲劳扩展寿命。

Receives 17 regarding the Pacific Ocean island country handkerchief fatigue agreement to detain in the central Chinese Uygur national minority in Guantanamo by the detainer, Beijing is referred these people is the terrorist, should return to China.

对于太平洋岛国帕劳同意接收17名在关塔那摩拘押中心内的中国维吾尔族被拘押者，北京指这些人是恐怖分子，应该送回中国。

The model results show that when the CT is cycled under the action of an internal pressure, fatigue cyclic softening inevitably leads to the diametral growth.

理论模型计算结果表明，当连续油管在内压下循环弯曲时，疲劳循环屈服强度衰减不可避免地导致直径增长。

In this article, a new theoretical model on diametral growth of coiled tubing under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories.

根据疲劳循环屈服强度衰减模型和弹塑性变形理论，推导了连续油管在内压作用下的直径增长的理论模型。

Then, a logic computational diagram is constructed for calculating diametral growth by assuming fatigue cyclic softening, namely yield strength reduction as tubing fatigues.

再通过合理的假设，建立用于计算直径增长的计算机逻辑框图。

Based on the characteristics of stress distribution in high-pressure cylinder ,the formula of calculating the maximal equivalent stress is educed according to the fourth strength theory and the quantitative relationship between cylinder's inside pressure and diametrical ratio and the fatigue limit were founded.

基于高压缸的应力分布特点，由第四强度理论推导出了高压缸最大应力的当量应力的计算公式，建立了缸筒内压与缸筒径比及持久极限的量化关系。

The use of the web to spread fears that flicking the switch on the LHC could create a Black Hole that could swallow up the Earth particularly concerned him, he said.

他说，使用互联网散布恐慌说启动LHC会生成一个可能吞噬地球的黑洞的做法让他感到忧虑。

Not a single word have I written down.

我一个字也没有写下来。