1) stage-life
分段寿命
1.
On basis of the application characteristics of the complicated mechanical system,this paper puts forward the idea of "the experiment of reliability stage-life" and by analyz-ing the maintenance reform failures data of typical vehicles with Weibull-Process Model,the reasonability of this idea has been testified.
针对复杂机械系统的使用特点,提出了可靠性分段寿命试验的思想,并运用威布尔过程模型AMASS,对典型车辆故障数据进行统计分析,具体证明了这种思想的合理性。
2) divided paragraph accelerated life testing
分段加速寿命试验
1.
For estimation of reliability of crawler tractor,a practical method of reliability divided paragraph accelerated life testing is proposed in this paper.
为评价履带拖拉机的可靠性,提出一种切实可行的可靠性分段加速寿命试验方法。
3) life distribution
寿命分布
1.
Class of life distribution ｛IFRA t 0｝and property;
｛IFRAt_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。
4) life analysis
寿命分析
1.
Some typical techniques for the service life analysis adopted overseas are introduced and discussed.
本文分析航天系统对纤维缠绕/金属内衬压力容器的寿命要求,介绍近几年国外航天技术领域对纤维缠绕/金属内衬压力容器普遍采用的寿命分析技术,同时对各种分析技术在使用时应关注的问题进行讨论,并对不同技术之间的差异进行比较。
2.
The fatigue life analysis methods based on virtual simulation were researched.
针对过山车轮架结构疲劳问题的特点和传统疲劳分析方法的不足,研究了基于虚拟仿真的结构疲劳寿命分析方法;采用多种虚拟仿真手段,对过山车进行了多体动力学分析,对轮架结构进行了有限元分析及动态响应分析,对比了多轴疲劳理论的各种损伤模型的特点和适用范围,分别依据最大剪应变准则和Brown-Miller组合应变准则对轮架结构进行了寿命分析,给出了疲劳寿命,并找出了轮架结构的薄弱部位。
5) 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。
6) 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。
补充资料：东汉分段锦铜马
东汉分段锦铜马 东汉时期铜制品。1975、1976年，贵州兴仁、兴义东汉墓出土。铜马系分段铸造，装配而成。全马分头、耳、颈、身躯、尾四肢十一段。除两耳外，其余九段皆砂模空心铸造，装配接头为子母口，由十七个销拴固定。两耳及尾铸成子母口投合后，再涂上一种白色粘合料加以固定。从耳至足通高88厘米。昂首翘尾，左前肢提起，张嘴露齿作嘶鸣状。两耳直立，耳内涂朱。辱涂朱，上唇外残留有涂金痕迹，面具涂金。腹部丰满，臀部方圆，长肢，肘腋开豁，方膝，厚蹄，尾打结，这种分段铸造，镶接成形的铜马，在四川也曾出土过，但不多见。
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