可靠度

The thesis also does the sensitivity analysis related to the input parameters for reliability.Qingxi River Bridge is a down-support Arch Steel Tube Bridge with rigid tie bar, its main span is 90 m.

同时采用相关性原理，分析桥梁的一些不确定因素对可靠度的敏感性，较好地描述了随机变量对桥梁结构影响，同类论文在国内还不多见。

Based on the theory of mechanical reliability design, the reliability of tapered interference joint of HSK toolholder is analyzed, the reliability model is established, and the general formula for reliability computation is presented.

采用机械零件强度可靠性设计的方法，对HSK工具系统锥面过盈配合的可靠性进行了分析，建立了刀柄锥面过盈配合的强度可靠性模型，并且应用应力—强度干涉理论推导出了可靠度的计算公式。

The process of random load action was described with the Poisson stochastic process and the time de pendent reliability models of series system, parallel system and k/n system were developed with the probability differential equation and total probability formula when strength degenerated as time, Taking the degeneration of strength following the exponential rule as an example, the relationships between the reliability and failure rate of system and time were studied.

采用泊松随机过程来描述载荷的作用过程，运用概率微分方程和全概率公式建立了强度随时间退化时的串联系统、并联系统以及k/n系统动态可靠性模型。以强度退化服从指数退化规律为例，研究了串联系统、并联系统以及k/n系统的可靠度和失效率随时间的变化规律。

Analyzing the dependent failure and stepwise computing the reliability of a parallel system, the reliability model of cumulative fatigue damage of a load sharing parallel system is developed according to the total probability formula and Miner theory.

为了有效处理载荷共享并联系统的可靠性问题，首先分析了并联系统的相关失效，并分步计算并联系统可靠度，应用全概率公式和Miner理论对并联系统进行了疲劳累积损伤可靠性建模。

This paper addresses the most commonly used function of trapezoid allocation and presentsthe general calculation formula about reliabil...

本文采用最常用的梯形分布隶属函数，给出了将应力及强度分别考虑为模糊变量时可靠度的一般计算式。

The truncated normal distribution is used to describe the bounded random variables, such as the hydrostatic load, thickness of web and thickness of flange.

采用截尾正态分布主梁可靠度分析中的随机变量（闸门水荷载及主梁的腹板及翼缘的厚度等）。

Therefore,a stress-strength interference model for the reliability calculation of rock mass under two-end truncated probability distribution was proposed with the help of distribution theories.

为此，借助理论分布，提出了两端截尾概率分布下围岩可靠度计算的应力—强度干涉模型。

Considering this problem,a method of direct constructing disjoint paths is adopted,at the same time network simplification technology and truncation error theory is combined.

针对这一问题，采用直接构造不交化通路集的方法，结合网络简化技术和截断误差理论，提出了一种快速确定大型通风网络可靠度的算法。

Keywords ventilation network;reliability;network simplification;truncation error

通风网络；可靠度；网络简化；截断误差

As to concrete structure of external prestressing , for it affects security and trustiness of structure, the antisepsis of external prestressing cable is extremely important.

对于体外预应力混凝土结构，预应力索的防腐十分重要，它关系到结构的安全性和可靠度。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。