疲劳理论的另一个缺陷是，打哈欠并不能像该理论所预测的那样，提高警觉性或生理活跃度。
Another flaw of the tiredness theory is that yawning does not raise alertness or physiological activity, as the theory would predict.
单一因素的致疲劳理论，已经逐渐被综合性疲劳理论所替代。
The theory of single element to fatigue has been replaced b…
用非平衡统计的概念和方法建立微观机理与宏观性能相结合的热疲劳理论。
A non equilibrium statistical theory of thermal fatigue which connects microscopic mechanism with macroscopic properties is established.
有限元理论、多体动力学理论、疲劳理论为汽车零部件设计提供了先进手段，通过对汽车零部件虚拟模型的分析，可以找到在设计阶段的问题。
The finite element theory, the dynamics theory offers an advanced method. During the analysis of the virtual digital model, we can find the problem exist in the initial stages of design.
综述了纤维增强复合材料疲劳理论近年来的研究成果，对各种疲劳模型的建立、参数含义及特点进行了详细的阐述分析，并展望了今后的发展趋势。
This paper summarizes the recent achievement of fatigue theories in fiber- reinforced materials and elaborates the modeling, parametric meanings and characteristics of those models and future trend.
一个瑜伽的国际性杂志在2004年的理论研究发现瑜伽可以缓解疲劳和压力，延续两个小时。
A 2004 study in the International Journal of yoga Therapy found that yoga reduces fatigue and stress for up to 2 hours.
人们普遍这种症状支持了慢性疲劳综合征的感染理论，可是，它也可能就是病因。
This has generally been thought of as a symptom-and as support for the infection theory of the syndrome. But perhaps it is the cause.
因此有必要通过实验及理论研究等工作，对公路桥梁伸缩装置进行疲劳破坏机理分析和疲劳寿命估算。
Therefore, it is necessary to analyze the mechanism of the fatigue damage of bridge expansion device and estimate its fatigue life by theories and experiment.
依据疲劳损伤累积理论，确定了公轨两用钢桁桥轨道横梁与整体节点连接头验证性疲劳试验的试验荷载。
According to fatigue damage accumulation theory, test load of verified fatigue test on rail across beam and welded connections with integral joint of combined steel truss bridge was gotten.
疲劳强度分析、疲劳寿命预报和疲劳行为的评估具有重要的工程背景和理论研究价值。
Fatigue strength analyses, prediction of fatigue life and assessment about fatigue behaviors have important engineering background and particular theoretic value.
对焊接结构疲劳寿命的预测有重要理论意义和实际应用价值。
For weld structure fatigue life forecasting, it has important theory meanings and practical applying value.
通过对样车(B车)的试验分析，证明疲劳损伤理论在耐久试验中应用是非常有效。
Through test analysis of the specimen (B-car), the fatigue damage theory is proven to be useful in the vehicle durability test.
为后期利用CT进行材料疲劳寿命分析奠定了理论基础。
All these lay a theoretical foundation for material fatigue life prediction by using ct.
简要介绍了经典的疲劳累积损伤理论和几个典型的损伤变量定义式。
The main classic fatigue cumulative damage theories and the representative definitions of damage variable have been introduced briefly.
得出的结论为在高温条件下相类似材料的疲劳寿命评估提供了理论依据。
The research provides a theoretical base for the fatigue life evaluation of similar materials at elevated temperature.
通过查阅文献资料，总结了有关专家对运动疲劳以及音乐疗法研究的理论和成果。
This article summarized the expert's theory and achievements to the research of mobility weary and music therapy through consulting literature materials.
因此，指出可以采用累计耗散能理论来分析沥青混凝土的疲劳性能。
So the accumulative dissipated energy theory can be used to evaluate fatigue performance of asphalt concrete.
基于选定的路面力学模型，采用断裂力学中的疲劳裂缝扩展理论对路面反射裂缝的扩展规律进行分析。
Based on the pavement mechanics models, fatigue cracking theory of fracture mechanics was used to investigate the rule of reflection cracking.
对含中央疲劳损伤裂纹钢板粘贴CFRP加固，改善其剩余疲劳寿命进行了理论分析。
It is conducted a theoretical analysis of improving the residual fatigue life of a steel plate with central fatigue damage cracks, which is strengthened by CFRP.
探讨了强度稳定综合理论用于疲劳寿命计算的方法。
The approach to apply the combined theory of strength and stability into fatigue analysis is discussed.
系统阐述利用有限元法对机械结构零部件进行疲劳断裂分析的相关理论和方法。
The relative theory and methods on the analysis of the fatigue and fracture of mechanical components by means of the finite element method are discussed.
本文在大量实验的基础上提出了对焊接节点采用断裂力学的方法和对螺栓球节点应用累积损伤理论估算它们疲劳寿命的计算方法。
Finally, the methods for calculating fatigue life based on fracture mechanics for welded node and cumulative damage theory for bolted sphere node respectively have been presented.
由于所选择建立的模型有着一定的代表性，因此所得的分析的结果可以作为接触网支持架疲劳评估的理论数据。
Since the model built is representative, the analysis result can be referred as the theoretic support for the tiredness evaluation of the contact line support frame.
通过对填料盘工作状况和失效机制的理论分析，进而在理论上证明了填料盘的开裂是由于微动疲劳造成的。
By analyzing the working condition and failure mechanism of packing box, it is proved in theory that fretting fatigue results in the failure of packing box.
补脾法是加速运动性疲劳的消除效果的重要的中医理论支撑。
Invigorating the spleen method is very important in utilization of accelerating mobile weary removing effect.
利用赫兹应力理论推导出摆线槽的接触疲劳应力并绘出其应力变化曲线。
The contact stresses of the cycloid groove are analyzed by Hertz stress theory, and the stress variety curves are drawn.
根据计算结果，应用齿轮有限寿命设计理论对齿轮疲劳寿命进行计算，得到齿轮的接触应力和疲劳寿命。
According to the calculation results, the fatigue life of gears is calculated by limited life design theory and the contact stress and fatigue life are obtained.
论文首先阐述了疲劳断裂可靠性一般理论以及应用于疲劳可靠性分析中的概率统计基础理论。
The work includes several parts as the following:Firstly, fatigue and fracture reliability theory is introduced, along with the statistics theory and its application in fatigue reliability analysis.
论文首先阐述了疲劳断裂可靠性一般理论以及应用于疲劳可靠性分析中的概率统计基础理论。
The work includes several parts as the following:Firstly, fatigue and fracture reliability theory is introduced, along with the statistics theory and its application in fatigue reliability analysis.
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