学者们开展此项研究的目的是为了估算看电视对寿命的总体风险。
The academics conducting the study set out to calculate the overall risk to life expectancy from watching television.
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.
本文采用断裂力学方法来估算结构构件的疲劳寿命，这其中主要围绕裂纹扩展速率表达式展开研究。
Fracture mechanics is adopted to estimate the fatigue life of structural members, and among the rest, crack growth rate formula is studied.
加速参数的精确计算使得快速估算VFD的寿命成为可能。
Accurate calculation of the acceleration parameters enables rapid estimation of VFD life.
薄壁结构的动力特性及动态响应分析是声疲劳分析以及寿命估算的基础。
Analysis of structural dynamic performance and response is the foundation to estimate fatigue life.
在运用断裂力学模式所建立的故障模型基础上，该法用铁道部部颁换轨标准处理寿命估算。
Based on a failure model of fracture mechanics pattern, this new method deals with the life estimation in the light of the standard promulgated by the Railway Ministry for rail replacement.
本文提出了一种新的钢轨疲劳寿命的可靠度估算方法，使可靠性分析第一次进入钢轨的寿命估算。
This paper proposes a new estimating method which, for the first time. introduces reliability analysis into the life estimation of railway rails.
幸好，正确的切割速度可以根据刀具寿命表或者刀具寿命泰勒方程估算出来，并有一定的合理精度，如果在必要的数据都具备的前提下。
Fortunately, the correct cutting speed can be estimated with reasonable accuracy from tool-life graphs or from the Taylor tool life Relationship, provided that necessary data are obtainable.
结论有助于钢筋混凝土结构的疲劳设计，可靠性分析和寿命估算等。
This research contributes to fatigue design, probability analysis and life estimations for steel reinforcement concrete structure.
该方法使分散性很大的疲劳试验结果得以合理处置，从而可准确地提供试验数据，供作材料疲劳鉴定与疲劳寿命估算之用。
This method can make the fatigue test result with great dispersion be processed reasonably, so as to provide correct test data for appraisal of material fatigue and estimation of fatigue life.
估算机械设备的残余寿命，对企业的生产计划、设备维修和经营决策都有重要的指导作用。
The estimation of facility remainder life plays an important directional role in production plans, facility maintenance and management strategies of an enterprise.
编制出驱动轮轴扭转与弯曲载荷谱，并对驱动轮轴的随机疲劳寿命进行了估算。
Torsional and bending load spectra of drive shaft are worked out and fatigue life of the shaft estimated.
因此，必须科学地估算炮兵武器装备的寿命周期费用，以提高武器装备采办效率和经费使用效益。
So we must estimate the LCC (Life Cycle cost) of artillery equipments with scientific methods, so that we can improve the efficiency of the acquisition and using cost.
这种方法在许多方面得到应用，如结构设计、强度分析、寿命估算和断裂安全分析等。
It has been found applications in many aspects, such as structure design, strength analysis, life estimate, and fracture safety analysis, etc.
随机疲劳、混沌疲劳及复合材料疲劳寿命估算属疲劳学研究的三个重要前沿．给出了疲劳损伤的动态概率分布；
Stochastic fatigue, chaotic fatigue and the fatigue life estimation of the composite material are three important aspects in fatigue research. The fatigue damage probability distribution was given.
该文对大型风力机玻璃钢叶片疲劳寿命的工程估算方法进行了研究。
The engineering estimation method of the fatigue life of largescale wind turbine GRP blade were presented.
本文介绍了缺陷转子锻件循环寿命的估算方法。
A method for estimating cyclic life of forgings containing flaws is presented.
阐述了基本轨道应用分析理论，包括星下点轨迹计算、可见性分析、覆盖评估和轨道寿命估算。
Expatiated on the application theory of basic orbit, including subastral point calculation, visibility analysis, coverage evaluating and spacecraft life-span estimate.
分析了符合传感器网络MAC算法中节点周期性侦听要求的节点寿命估算问题。
The lifetime estimation issue is analyzed with consideration to the periodical listen required by common WSN media access control (MAC) algorithms.
本文根据线性累积损伤理论，给出了农机焊接件在谱载荷作用下的寿命估算方法。
According to the linear cumulative damage theory, a method for estimating life for welding structure of farm machinery acted under load spectrum is given.
对海洋平台用高强度钢焊接接头多次补焊的疲劳性能进行试验研究，给出采用威布尔分布下的寿命估算式及R—S—N曲线。
Based on an experimental study of multiple repairing welded joints on high strength offshore structure steel, the R-S-N curves and life estimation equations under Weibull distribution are presented.
介绍了焊缝疲劳寿命估算的有效方法——VOLVO方法的步骤及原理。
The efficient method of seam weld fatigue life estimation----the procedure and principle of VOLVO method are introduced in this paper.
编制载荷谱、估算裂纹处的疲劳寿命。
Based on these the fatigue life of the crack region were estimated.
这一循环参数分析和疲劳寿命估算方法为典型机翼下壁板结构的疲劳寿命估算建立了基础。
Through the cyclic parameter analysis and the method of fatigue life estimation, a basis for fatigue life estimation of typical lower-wing structure is established.
还列表给出车轮钢的全部应变疲劳参数和与之对应的静态参数，可供设计选材，寿命估算时使用。
Moreover, this paper lists both static and strain fatigue parameters of this material for material design, selecting and life prediction.
还讨论了等损伤线的表达式，斜率变化和二级载荷下的疲劳寿命估算等问题。
The problems of quantitative expression of equivalent damage lines, the slope change of the lines and life prediction are also discussed.
最后，对筛选试验后的光纤寿命进行了估算，给出了光纤经三个等级的筛选应变后的寿命设计图。
Finally, optical fiber lifetime is estimated and the lifetime design picture of optical fiber which passed three-grades proof testing strain is given.
本文分析几种寿命估算的方法。
疲劳寿命估算。
疲劳寿命估算。
应用推荐