One thing that does ground old aircraft is the impending failure of their aluminium structure from metal fatigue.
让老旧飞机搁浅的一件事就是飞机铝构造因为金属疲劳产生的故障隐患。
Heart failure causes breathlessness and fatigue that severely limits normal daily activities such as walking.
心脏衰竭引起呼吸困难和疲劳，严重影响行走等正常的日常活动。
The goal was to come up with a nanometal that was strong enough, hard enough and "supple" enough to resist fatigue failure and wear in advanced applications.
我们的目标是提供足够强度和硬度，又兼具足够抵御疲破坏的纳米材质，以使其能够与高级应用相借合。
Despite the worsening fatigue that accompanied his liver failure, he threw himself into preparing for his transplant.
尽管肝脏衰竭让他越来越疲惫，但他还是尽力为移植做着准备。
Failure and fatigue often trip me up, but I have the courage to think that I can make the person I love see my progress for a while.
失败和疲劳常常将我绊倒，但一想到再坚持一会儿就能让我所爱的人看到我的进步，我就有了勇气。
Fatigue failure results from accumulation of cracks of deformation pro - cess of material.
疲劳破坏是材料在变形过程中产生的裂纹积累。
Hysteresis energy is a useful basis for the establishment of failure criteria in fatigue.
在建立疲劳破坏准则时，迟滞能量是一个有用的依据。
The dynamic effects due to vibration should be taken into account by the designer if fatigue failure is to be avoided.
为了避免弹簧的疲劳破坏，设计者应对弹簧由振动所引起的动力影响加以考虑。
It is possible that many failure modes have emergence during the structural service period. For example, dead load strength failure, stiffness failure and fatigue failure.
结构在使用过程中可能会出现各种失效形式，例如静载强度失效、刚度失效和疲劳失效等失效形式。
A tremendous advantage of these vessels is that high compressive stresses are induced during winding. This Prestressing greatly reduces the risk of fatigue failure.
这种容器的最大优点是在绕制过程中获得高预压缩应力，显著减少疲劳失效的危险性。
In fact, most of the materials problems that dog us today are problems that we have known about for a long time: corrosion, fatigue, many different kinds of failure.
事实上，我们今天遇到的大部分材料问题都是我们已经知道了很久的问题，像腐蚀、疲劳、各类失效。
The deficiency of present belt drives design criteria is pointed out to get a start in sliding failure and fatigue fracture failure.
从防止带传动打滑失效和疲劳断裂失效出发，指出现有带传动设计准则之不足。
Low cycle multiaxial fatigue failure is the main failure mode of aeroengine compressor disk.
低循环多轴疲劳失效是航空发动机低压压气机轮盘的主要失效形式。
Thermal fatigue. A type of fatigue failure wherein the cyclic stresses are introduced by fluctuating thermal stresses.
一种疲劳失效类型，循环应力是由于交变热应力引起的。
The fatigue properties of ceramics at high temperature are studied and evaluating methods and failure criteria for high temperature fatigue are proposed.
对陶瓷高温疲劳破坏特性进行了研究，并提出高温疲劳评价方法和破坏准则。
Aimed at the fatigue failure of electric bike shock absorber, a probabilistic estimation method is put forward.
针对电动车后避震的疲劳失效损坏，提出疲劳损坏概率估计。
The basic fatigue failure characteristics have been analyzed according to the stress analysis and simulation test under inhomogeneous swallowtail between compressor disk and blade.
分析了非均匀接触下燕尾形榫头连接的应力状态，并借助于模拟试验，提出了非均匀接触导致疲劳破坏的基本痕迹特征。
The patients who qualified were debilitated by the disease, which causes shortness of breath, fatigue and congestive heart failure.
适合的患者是很虚弱的，因这种病导致导致呼吸困难、劳累和充血性心力衰竭。
The recommendations call for more aggressive screening for celiac disease in children with type 1 diabetes who present symptoms such as weight loss, growth failure, abdominal pain and chronic fatigue.
该建议要求加强对出现体重下降、生长缓慢、腹痛及慢性疲劳的1型糖尿病儿童进行乳糜症的筛选。
But the study on the rolling contact fatigue failure mechanism of super hard material coati-ngs is in grope.
但是目前对于超硬涂层材料滚动接触疲劳失效机理的研究还处于探索之中。
The primary failure model is fatigue fracture that is always resulted by the crack initiation and propagation.
疲劳断裂是气门弹簧失效的主要模式，它是疲劳裂纹萌生及其扩展的结果。
Under the condition of our experiments, the main forms of contact fatigue failure are deep-spalling and shallow - spalling.
在本试验条件下，接触疲劳失效的主要形式为深层剥落和浅层剥落。
In some cases, the continuous distribution model of fatigue failure life and stress amplitude level is more valuable in analyzing the damage of ponogena under complicated stress.
在某些情况下，如进行复杂应力条件下的疲劳素损伤分布分析，疲劳失效寿命和应力幅水平的连续分布模型更有意义。
According to the fatigue failure character of riveted members, a simplified fracture mechanics model (SFMM) was developed.
根据铆接构件的疲劳破坏特征，建立了铆接钢桥简化断裂分析模型。
The synthesis of thermal, centrifugal and aerodynamic stresses may cause the low cycle fatigue failure of the blades.
这种热应力与离心应力、气动应力合成的综合应力可能引起涡轮叶片的低循环疲劳失效。
Fatigue failure of metal structural component is a common form of structure collapse, so improving fatigue behavior of metal materials is very important for their usage.
金属构件的疲劳失效是一种常见的结构破坏形式，改善金属材料的疲劳性能对其使用性能的提高有重要意义。
The fatigue of steel columns indirectly subjected to crane loading is generally not taken into account. But fatigue failure occurred at the column cap in some workshops.
间接承受吊车荷载的厂房钢柱，一般不考虑疲劳问题，但是在一些车间的钢柱上却出现了疲劳破坏。
Corrosion fatigue. A type of failure that results from the simultaneous action of a cyclic stress and chemical attack.
由循环应力和化学腐蚀同时作用导致的一类失效。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
Bearing contact fatigue failure of the working surface by means of alternating the role of stress arising from failure.
接触疲劳失效系指轴承工作表面受到交变应力的作用而产生失效。
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