有限寿命

机械强度有限寿命设计与培养人才

Limited Life Time Mechanical Strength Design and Training Talents

有限寿命设计是一门多学科的前沿应用理论的综合技术。

Design on the limited life is the front of a many courses to synthesize the technique theoretically along the application .

铝电解电容器是有限寿命的元件，其预期寿命常用Arrhenius模型和Eyring模型来估算。

Aluminum electrolytic capacitors are limited-life components . Their expected life is commonly acquired by Arrhenius model and Eyring model .

有限寿命疲劳可靠度计算的新方法

A New Method of Calculating Fatigue Reliability with Limited Service Life

重型机械联接螺钉疲劳强度的一种有限寿命设计方法

A design method of finite fatigue life for joint boit of heavy machinery

粮油机械零构件疲劳有限寿命计算新探

A New Probe into Calculation of Limited Fatigue Lifetime of Machine Component Parts

变幅载荷下的有限寿命疲劳设计方法和设计数据

Fatigue design methods and design data for finite life under variable amplitude loading

有限寿命疲劳设计法的基础曲线

Basic curves of fatigue design methods for finite life

有限寿命下机械材料的疲劳强度近似等效正态分布研究

Study on the approximate equivalent normal distribution of fatigue strength for mechanical materials under limited life-span

由于移动自组网的大多数节点是由有限寿命的电池来提供的，因此能量保护策略成为制定路由协议的一个重要依据。

Batteries limited power hosts in MANET , so energy conservation strategy is a critical criterion in routing protocol .

为室内程序疲劳试验谱、有限寿命设计谱和静强度校核提供了可靠的依据。

These results have been provided the essential data for programme fatigue testing and optimal design spectrum and static strength proof .

建立有限寿命优化模型，采用响应面法对动臂进行有限寿命设计。

The finite life optimization model is established , and the finite life design is carry out by using response surface method .

本文扼要评述了几种链传动计算方法，讨论了钻机链传动的有限寿命计算原理。

This paper briefly reviews several calculation methods for roller chain drive , and discusses calculation principle of finite service life for roller chain .

根据材料的有限寿命疲劳曲线方程及疲劳损伤累积假说推导出用于确定加速寿命试验时间的计算公式。

Based on the curve of fatigue of finite life and the fatigue damage accumulation hypothesis the calculating formulas were derived for determining the life test time .

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 .

用本文介绍的蒙特卡洛模拟法或图解法求解产品有限寿命的可靠度将更符合实际。

Using the Monte Carlo simulated method or the graphical method as introduced in this paper , the results obtained will be more closing to the practical performance .

本文指出，根据有限寿命疲劳强度安全系数法设计出的零件仍然有可能屈服失效。作者建议用寿命计算法和图解估值法代替现有的安全系数法。

This paper indicates that the components , which are designed according to the safety factor method of fatigue strength for the finite life , can also be yielded .

考虑到粗糙界面散射和准粒子的有限寿命效应，利用散射理论，计算正常金属-d波超导结中的散粒噪声。

Taking into account the effects of the rough interface scattering and finite quasiparticle lifetime , within the scattering formalism , we calculate the shot noise in normal metal_ d _wave superconductor junctions .

采用局部应力应变疲劳分析的方法对斗轮驱动电机支承梁进行了疲劳寿命分析及预估，该方法也可作为有限寿命设计的重要手段。

The fatigue life analysis and estimation are done on the counter moment beam by means of partial stress / strain fatigue analysis , which is also an important method of the finite life design .

指出有限寿命管理、防止低温脆性破坏、蒸汽与金属温度匹配等起动控制思想，是值得我们借鉴的。

The paper shows theres much in control methods for starting and loading of limited Life management and preventing low temperature brittle cracking and of matching of steam to metal temperature that we can make use of .

机械设计中尤其在工程机械设计中采用有限寿命设计，不但可以节省原材料，还可以延长机械产品的使用寿命。

Designing on the limited life is adopted in Machine design , and in engineering machine design particularly . It can save the original material not only . But also it can prolong the service life of the machine products .

在飞行器传动机构中，滚动轴承需满足短时工作、高过载、正反运转、有限寿命（不超过几个小时）、高可靠性、无润滑运行等要求。

The rolling bearings in the drive mechanisms of aerocraft usually run in a short running time and high-overload condition with a finite life span ( less than several hours ), clockwise and counterclockwise rotation , high reliability and no lubricant running .

实验结果表明，在实验所涉及的频率范围内，交变应力的频率对聚合物ABS的有限疲劳寿命的疲劳强度没有影响。

It is show by experimental results that the fatigue Strength of finite life of polymer ABS is not affected by the frequency of the cyclic loading .

针对聚合物在交变载荷作用下的缺口敏感性问题，本文用升降法和拟合S&N曲线法测定了聚合物ABS具有七种缺口底部圆弧半径的缺口试件的有限疲劳寿命的疲劳强度。

For the notch sensitivity of polymer ABS , the fatigue strength of notched specimens with seven arc radius of notch bottom are determined by " up and down method " and " fitting S-N curve method " .

任何电池都具有有限的寿命，无论它具有多大的能量。

Any battery has a finite life span no matter what device it powers .

基于常数死力有限商品寿命的库存模型研究试论商品生产力

A Study of Inventory Model Based on Limited Product Life with Constant Mortality Force

发现不同的原子集合弥散组态，其原子自发辐射呈现十分宽或窄的有限的寿命分布。

Calculations show that quite wide or narrow lifetime distributions can occur for different spreading configurations of the atoms .

现有的双自转研磨盘球体研磨机都采用滚动轴承，具有摩擦磨损大、精度寿命有限、寿命分布离散、减振性差等固有缺点。

The existing dual-plate lapping machine uses rolling bearing , so it has following inherent shortcomings , the big friction and wear , the limited precision life , discrete life distribution , and poor vibration damping .

其次用升降法测定了3个不同频率的交变应力作用下的有限疲劳寿命的疲劳强度，用拟合S&N曲线法测定了8个不同频率的交变应力作用下的有限疲劳寿命的疲劳强度。

Then , the fatigue strength of finite life under cyclic loading with three different frequencies are determined by " up and down method ", and the fatigue Strength under cyclic loading with eight different frequencies are determined by " fitting S-N curve method " .

汽车后桥有限元疲劳寿命分析

Fatigue Life Analysis of Rear Axle Based on Finite Element Method