寿命

According to the main influencing factors, this thesis summarized the mathematic method based on the Larson-Miller formula of the service life analysis for the superheater and reheater; and intensity check method of the service life for the economizer, and the service life analysis process for waterwall.

根据其主要影响因素，本文分别总结出了过热器再热器寿命基于Larson-Miller公式的分析方法，省煤器寿命的强度校核分析方法，和水冷壁的寿命分析流程。

In this paper the concept of economic life time of aluminium electrolytic cell is expressly issued for the first time.

首次提出了铝电解槽经济寿命的概念，指出近年在电解铝利润接近零的情况下，一个正常的铝电解系列停槽原因大多取决于其经济寿命，并且给出了经济寿命的简便判断依据和实例。

The estimative reliability model involving the residual life of the high temperature boiler pipe of steam-generator has been established by using of reliability theory and fraction criterion of life loss.

利用可靠性理论和寿命损耗分数准则，建立了蒸汽发生器高温炉管的剩余寿命可靠性预测模型，并应用实例对不同模型进行了对比分析，确定了蒸汽发生器高温炉管剩余寿命可靠性预测的准确方法，可为蒸汽发生器高温炉管的管理和使用提供参考依据。

The early failure is judged and the validation test is assumed to obey the exponential distribution.

介绍了在正常应力下对家用微波炉的寿命试验及运用 F-检验判定异常小寿命数据的方法，以判定早期失效，对试验数据作指数分布假设下的有效性检验，估计样品的平均寿命，提出可靠性改进措

The annealing experiments with different processes and the saw cutting life test on machine hacksaw blade s made of W9Mo3Cr4V HHS are carried out.

对W9Mo3Cr4V高速钢机用锯条进行了退火工艺试验和锯切寿命试验，试验结果表明，不同退火工艺与锯条淬火回火硬度及锯切寿命之间不存在明显对应关系，但高温长时间退火对锯切寿命有不利影响。

Has successfully developed a "mobile phone","radio""Cordless Phone" test high-performance shielded boxes, shielded room;"keyboard""Mouse" life testing machine, such as: Mouse trackball MTBF room temperature experiments; mouse button life testing machine; 3D roller test machine; keyboard key life testing machine; keycap friction test machine; wire swing test machine; a variety of electronic products a large constant temperature and humidity aging room; components Clubfoot forming machine; automated complete control system; Electrical products matching; pneumatic, electric Centralized control unit software 30 kinds of testing laboratories, machines and industrial control test software.

目前已成功开发出"手机""对讲机""无绳电话"测试用高性能的屏蔽箱、屏蔽房；"键盘""鼠标"寿命测试机，如：鼠标轨迹球MTBF恒温实验房；鼠标按键寿命测试机；3D滚轮实验机；键盘按键寿命测试机；键帽摩擦实验机；线材摇摆实验机；各种电子产品大型恒温恒湿老化房；元器件弯脚成型机；自动化成套控制系统；机电类产品配套；气动、电动单元集中控制软件等三十余种测试实验机及工控测试软件。

The fatigue life followed the logarithmic normal distribution or the two-parameter Weibull distribution by the probability regression method.

为研究预腐蚀对疲劳寿命的影响，进行30CrMnS iN i2A和LC4CS试件加速预腐蚀不同时间后的成组随机谱下的疲劳试验，采用概率回归方法对预腐蚀疲劳寿命分布特性进行检验，表明可采用对数正态分布和双参数威布尔分布描述疲劳寿命分布特性。

Using the method of probability statistics,the relationship between safety life and experiment life was theoretically obtained at small-number specimen experimental conditions when the fatigue life obeys logarithmic normal distribution.

利用概率统计的方法，得出了在小样本实验条件下，当疲劳寿命服从对数正态分布时安全寿命与中值实验寿命之间的关系。

In this paper, the strength theory is adopted to analyze the stress of the pressure component of boiler, and the calculation method of metal fatigue and creep is adopted to estimate the life loss of the boiler. Meanwhile, the short-cut calculation method is put forward which can meet the requirement of on-line monitoring. On the basis of above, the on-line monitoring and management system of boiler life is developed.

本文采用强度理论和疲劳、蠕变寿命计算方法，分别对电站锅炉的炉外、炉内主要承压部件进行了应力分析和寿命计算，并提出满足在线监测要求的简化计算方法，在此基础上，开发了锅炉承压部件的寿命在线监测和管理系统。

It was a new technique that using I-V characteristic to measure minority carrier lifetime in solar cell base region for finished solar cells.

本文通过对测试少数载流子寿命的各种方法进行分析后提出了一种新的测量成品太阳电池基区少数载流子寿命的方法，这种方法通过分析太阳电池的I-V特性得到基区少数载流子寿命与太阳电池开路电压，短路电流的关系。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失