That the thread endures high alternate stress is the first cause of failure of thread joint.
螺纹部位承受高的交变应力，是导致螺纹联接螺纹失效的主要原因。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The alternate stress stimulates vibration ice, makes the offshore petroleum steel construction fracture because of the fatigue factor.
冰激振动引起的交变应力，将会使海上石油钢结构发生疲劳与断裂玻坏。
The fatigue rupture made up 80 percent of the total petroleum drillstring failures, which is related to the flexural-torsional alternate stress acted on drillstring.
石油钻柱的失效80 %以上都为疲劳破坏，这与钻柱在弯曲和扭转组合下的交变应力有关。
I find this one of the easiest way to control stress. Click on the link to learn how to practice alternate nostril breathing.
我认为这是控制压力最简单的方法之一。点击链接学习如何练习交替鼻孔呼吸。
Appropriate match grasses and arbors of stress resistance to form cultivation models of forest and grass mixture, bush and arbor alternate.
适当配置抗逆性强的草本植物和乔木植物，形成林草搭配、灌乔相间的各种种植模式。
Methods:Chronic stress of depression model was made by alternate mulriple stimulate, and lymphocyte of spleen was cultured in vitro.
方法：以多种复合刺激交替进行的方法建立慢性应激抑郁模型，并取脾脏进行淋巴细胞体外培养。
Fatigue cracking of a roller is the main failure form due to the alternate bending stress in operation.
滚圈是回转窑最重要的支承部件，运转中弯曲应力造成的疲劳开裂是其主要失效形式。
Based on the blind-hole method, series of experiments are carried out to analyze the effect of alternate loading to the redistribution of residual stress.
本文基于小孔释放法测量残余应力的方法，通过实验研究了交变载荷对焊接残余应力场产生的影响。
Studying the variety laws of the plastic failure, distortion and stress of soft and hard rocks alternate-layered roof with the constant vertical stress only the horizontal stress changing.
在垂直应力不变，不断改变水平应力的条件下，分析各类软硬岩互层项板的应力、变形、破坏规律。
The results show that the effect of alternate load on surface residual stress relaxation of aluminum alloy plate mainly depends on the vector superposition of load stress and residual stress;
结果表明：交变载荷对铝合金板表面残余应力松弛的影响主要取决于加载应力与残余应力的矢量叠加；
The results show that the effect of alternate load on surface residual stress relaxation of aluminum alloy plate mainly depends on the vector superposition of load stress and residual stress;
结果表明：交变载荷对铝合金板表面残余应力松弛的影响主要取决于加载应力与残余应力的矢量叠加；
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