评定各项威布尔参数和电缆寿命指数N值;
The individual Weibull parameters and the cable life index N are evaluated.
由于温度和寿命的关系指数,一些小的温度辩变化结果可能会引起一个相对大的寿命的变化。
Because of the exponential relationship between temperature and lifespan, small changes in temperature could result in relatively large changes in lifespan.
他们选择用于编制生活质量指数的,是四个被广泛测量并得到充分研究的指数:人均GDP、出生时的预期寿命、婴儿死亡率以及肺结核病的发病率。
They chose several widely-measured and well-studied indices on which to base their index: GDP per capita, life expectancy at birth, infant mortality rate and the incidence of tuberculosis.
{3}该快乐指数综合考虑了人们的生活满意度、平均寿命以及对环境的影响(主要通过衡量维持居民生存以及提供足够能源消耗所需的土地数量来了解)等多项指标。
The index combines life satisfaction, life expectancy and environmental footprint — the amount of land required to sustain the population and absorb its energy consumption.
津巴布韦和其它一些贫穷的非洲国家排名垫底。在这些国家中,人均寿命很短,人们的幸福指数也很低。
Zimbabwe and other poor African nations, where life expectancy and happiness is low, came bottom of the table.
并在寿命、修理延迟和维修时间均服从指数分布的情况下,用马尔可夫更新过程理论导出了系统的可用度。
When the distribution of life, delayed repair and imperfect repair time are all exponential, Markov renewal process for educing the availability is presented.
使用样本空间排序法给出了指数分布情形下不相同定时截尾试验平均寿命置信下限的估计方法。
Sample space order method is used to give the lower confident limits of mean life under unequal time truncations for exponent distribution.
讨论了指数分布场合下序进应力加速寿命试验的矩估计问题。
This paper presents moment estimation of the progressive stress accelerated life testing under exponential distribution censored samples.
对给定的寿命试验数据x,利用似然比检验法可对该数据是来自截尾指数分布还是截尾正态分布进行判别,但却很难求出似然统计量的分布形式。
For a life data x, whether it comes from the censoring exponential distribution or the censoring normal distribution, it can use the likelihood ratio test to make a decision.
最后在网络链路寿命服从指数分布时分析了某SDH传输网络的全端可靠性以及界的计算,以说明本文的方法。
Finally, when the edge life is exponentially distributed, the paper computes the bounds of all-terminal reliability of a SDH network to demonstrate the method.
指数分布是一种可以很好地描述某些电子元件的寿命的分布函数。
An index distribution is a distributing function which can describe the life-span of some electronic elements well.
对标准中有预期寿命规定的产品的电压指数提出了计算方法。
Calculation method of products voltage index with expectant lifetime is proposed.
利用本文建立的指数衰减模型能够较好地描述材料的非线性塑性应变幅与寿命之间的关系。
A new exponential dissipation model is presented to describe this bilinear material's plastic strain amplitude-fatigue life relation.
本文提出了一种其寿命分布服从指数分布的产品失效时间的预测方法。
In this paper, an estimated method of the failure time of the product with the exponential distribution is presented.
SBR贴片式系列LED日光灯采用高亮度贴片式LED灯珠为光源,绿色环保、无频闪、寿命长、显色指数高、色温可选择范围宽。
XH-SBR SMD LED fluorescent light with high brightness SMD LED AS light source lamp beads , green , no flicker , long life , high color rendering index , color temperature optional wide range .
在205l直接利用了2510年和2520运算放大器,因此使用展品的可靠性,寿命长,空气污染指数和均匀度的产品特点。
The 205l Direct makes use of the 2510 and 2520 op-amps and therefore exhibits the reliability, long life, and uniformity characteristic of API products.
本文给出了制定定时截尾寿命试验下指数分布产品失效率的抽样检验方案的一个新方法,检验统计量是总试验时间。
This paper gives a new statistical method of working out a sampling inspection plan for the failure rate of exponential populations.
传统的荧光寿命成像的数据分析,按某些具有不同寿命、离散的单参量指数模型来描述荧光衰减过程。
Conventional analyses of fluorescence lifetime data resolve the fluorescence decay profile in terms of discrete single exponential components with distinct lifetimes.
贝叶斯推理的模型和广义线性模型,加速寿命故障模式,Cox回归模型和分段指数模型。
Bayesian modeling and inference for generalized linear models, accelerated life failure models, Cox regression models and piecewise exponential models.
当产品的寿命分布为指数分布时,其密度函数为,(2)其中为指数分布的失效率。
Exponential distribution: the density function is as follows, (2) in which is the failure -rate of the.
在本文中推导了多指数函数模型在正电子湮没寿命谱拟合中的可用性。
In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
拟合结果证实了三种接头载荷寿命曲线在单对数坐标下为指数曲线段这一假设的正确性;
The fitted result proves that the hypothesis that load-life curve in single logarithm should be exponential curve is right.
简要介绍了舰空导弹电子设备寿命服从指数分布的特点,根据备件的故障率可以有效地指导备件的存储策略,提出了一种基于历史数据的备件故障率计算方法。
According to the character that failure rates of spare parts have an effect on its storage, this paper introduces a calculating method for spares fault ratio based on historical data.
焊接件疲劳寿命与焊接角之间呈现出指数衰减关系。
The fatigue life of the welding structure exhibits an exponential decay function of the welding Angle.
此项“欧洲快乐星球指数”主要是综合碳效率、人民的生活满意度及预期寿命三个指标对这些国家(country)进行评分成。
The European Happy Planet Index used carbon efficiency, life satisfaction and life expectancy to rate the countries.
此项“欧洲快乐星球指数”主要是综合碳效率、人民的生活满意度及预期寿命三个指标对这些国家(country)进行评分成。
The European Happy Planet Index used carbon efficiency, life satisfaction and life expectancy to rate the countries.
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