查询词典 fatigue

Earlier fatigue failure phenomenon of SOFIM engine connecting rod bolt is concentred.After a finite element model was established,a finite element analysis and a fatigue test were carried out.

针对SOFIM发动机连杆螺栓出现的早期疲劳断裂现象，建立了连杆螺栓的有限元模型，利用有限元方法进行了该连杆螺栓的疲劳寿命分析，并与疲劳试验进行了对比。

Therefore, considering wide-range and importance of the box-sectioned welded beam applied in engineering, the author chooses this structure as one of typical welded structures to study. And with the equalizing bar of a bulldozer as an example, the method of fatigue design or life prediction and interrelated data of the box-sectioned welded beam are achieved through systematic study, and are considered as the basis of the structure fatigue design code or guideline which is expected to apply in machinery industry.

基于焊接箱形梁使用的广泛性和重要性，作者选择此种结构作为典型焊接结构的研究对象，并以推土机平衡梁为例，通过系统研究获得了结构疲劳设计或寿命预测方法及有关数据，作为形成结构动强度设计规范的基础，并由此可进行推广应用。

In order to predict the surplus fatigue life of concrete under nondestructive condition,the effect of some parameters such as elastics modulus,Poisson s ratio and density of concrete on the fatigue life is discussed in this paper.

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The results of low-cycle fatigue tests were used to analyze fatigue life curve of pressure vessel.

把低周疲劳特征研究结果应用于压力容器疲劳寿命曲线分析，并将焊缝实验结果与著名的Langer疲劳计算曲线及美国ASME规范设计曲线进行了比较，为16MnR钢焊接压力容器的疲劳寿命设计提供了理论依据。

In engineering application, especially in the design stage, it is always using the material fatigue property curve and fatigue strength factors, ie.

在工程应用中，特别是在产品设计阶段，通常利用材料的疲劳性能曲线，再考虑零部件的尺寸系数、表面加工系数及应力集中系数等疲劳强度影响因素进行构件疲劳强度设计。

Based on fatigue curve in the crack initiation process,a numerical method to compute the fatigue crack extension ,is proposed.

在进行岩石类材料疲劳断裂破坏的数值分析时，将损伤力学将裂纹形成与裂纹扩展两个过程有机结合在一起。

It is feasible to predict the fatigue life of the structure in the critical location when the S-N curve of the fatigue life applied. The meanings and conclusions can effectively instruct the design of leaf spring system.

最后对模型采用疲劳寿命的S-N曲线法计算能较准确的预测出疲劳破坏发生的区域及结构的疲劳寿命，在实际应用中对钢板弹簧的设计有重要的指导意义。

According to the test data, the fatigue strength time-varying model with the deterioration of fatigue strength coefficient in S-N curve was put forward.

根据试验数据，提出S-N曲线中疲劳强度系数下降的疲劳强度时变模型。

The research made it possible to forecast the fatigue life of damaged materials, and the prediction was based on the S-N curve from the fatigue test of th

对反应器自增强损伤机理和疲劳损伤等问题的研究为超高压容器取材、安全性设计以及确保高压容器长期、稳定和安全运行有着建设和指导意义。

reference literatures were reviewed,the mechanism,method and curative effect of acupuncture therapy for exercise-induced fatigue was induced.concluded that the related research have no unified law and standard,were unsystematic,and so on.how to form a unified rule based on chinese medicine theory and combined with clinical practice,is the major task of acupuncture therapy for exercise-induced fatigue,even other sport disease.

通过查阅近年来文献，归纳针灸疗法治疗运动性疲劳的机理、方法和疗效及存在的问题。结果发现相关研究存在无统一法则，无统一标准，不系统等问题。如何以中医理论为指导，结合临床实践形成统一的治法治则，是针灸治疗运动性疲劳乃至其他运动性疾病都必须首先解决的问题。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。