说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。 您的位置：首页 -> 词典 -> 观测寿命分布 1)  observed percentile life 观测寿命分布 2)  life distribution 寿命分布 1. Class of life distribution ｛IFRA t 0｝and property; ｛IFRAt_0｝寿命分布类及其性质 2. Research on Very High Fatigue Life Distribution and High Reliability of Structural Components; 金属材料超高周疲劳寿命分布和元件高可靠性研究 3. Very high cycle fatigue(VHCF)test of 66 specimens of aluminum alloy LC4CS was done by piezo-electric fatigue testing machine,and the fatigue life data showed that the fatigue life distribution of the alloy under VHCF has a characteristic of duplex peak,which is related to the locations of fatigue crack initiation. 寿命分布的双峰特征使得传统的升降法不能用于确定材料的超高周疲劳的条件疲劳极限,超高周疲劳寿命的分散性远大于低周和高周疲劳寿命的分散性。 3)  Life distributions 寿命分布 1. And the conditions of constant failure mechanism for some common life distributions are given. 讨论了一些常见的寿命分布失效机理不变的条件。 2. A kind of delayed Poisson shocks model is introduced to produce NBU- [t0 ,∞ ) life distributions;This generalizes the result is that Poisson shocks model leads to the well known NBU life distribution. 讨论了一个延迟Poisson冲击模型以产生NBU-[t0,∞)寿命分布,这个结果是对Poisson冲击产生NBU分布的推广;研究了NBU-[t0,∞)寿命分布与已有寿命分布类NBU和NBU-t0的关系,利用灾难变换证明了它在协同结构下的封闭性,同时证明NBU-[t0,∞)与NBU寿命分布的卷积仍然具有NBU-[t0,∞)性质。 3. The moment generating functions of life distributions is studied. 研究了两个寿命分布类的矩母函数,并给出了它们的一个上界。 4)  lifetime distribution 寿命分布 1. According to the failure of parametric estimation using probability papers and hypothetical examination,lifetime distribution type of production is studied with linear regression analysis method in this paper,and the optimization method of correlation coefficient and the least-squares method are used to calculate the distribution parameters. 本文以灯泡试验寿命作为计算实例,对产品寿命的四种累积分布函数分别线性化并求出了相关系数,得出了灯泡寿命分布以服从三参数威布尔分布最为合理的结论,给出了灯泡试验寿命的累积分布函数、可靠度曲线及其相关特征量。 2. This paper has given the definition of a new kind of lifetime distribution and studied its relative properties(closeness mainly),based on the lifetime distributions studied by others. 在前人研究的寿命分布类的基础上 ,给出一种新的寿命分布类的定义 ,并研究了其有关的性质 (主要是封闭性质 )。 3. The mathematical methods were used to make research into the living populations lifetime distribution,population lifetime distribution model and the intrinsic death invariant of the population were observed,and population lifetime mathematical expectation and variance were induced. 采用数学方法分析了自然条件下某生物种群的寿命分布 ,得到了种群寿命分布函数和种群内禀死亡常数 ,并由此推导出了种群寿命的数学期望和方差。 5)  life distribution class 寿命分布类 1. Studies of residual life distribution classes and characters of residual life function; 剩余寿命分布类与剩余寿命函数特征的研究 6)  life distribution 寿命分布类 1. The invariability of orderly connections of decreasing mean residual life distribution in translation transform and scale transform is investigated and it is given that life distribution is a sufficient and necessary condition for decreasing mean residual life distribution. 研究了平均剩余寿命递减的寿命分布类的偏序关系在平移变换和尺度变换下的不变性 ;给出了寿命分布是平均剩余寿命递减的寿命分布类的一个充分必要条 补充资料：寿命分布 分子式：CAS号：性质：流体通过一容器，从入口到出口所停留的时间称为寿命。对于平堆流，所有流体的寿命都是相同的。但若存在返混，返混的流体的停留时间较长，通过容器的各部分流体的停留时间便不完全一样，这时存在一定的停留时间分布。按停留时间相同的流体占通过的流体总量的分离对停留时间所得到的分布关系称为寿命分布。 说明：补充资料仅用于学习参考，请勿用于其它任何用途。 参考词条 ©2011 dictall.com