失效

Electric power system station blackout fault tree top event failure mode component importance

电力系统；全厂断电；故障树；顶事件；失效模式；重要度

Event tree method is the basic technology of safety risk analysis, but the credi bility of analysis mainly depends on the precision of failure probability parame ters'o estimate of control systems.

事件树方法是安全风险分析的基本技术，其分析结果的可信度在很大程度上取决于控制系统失效概率估计的精度。

By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool .

为了达到较好的防斜目的，必须增大钻进时钻头的转速，在高转速的作用下，偏轴接头加剧了钻具先期疲劳失效。

It can protect the excluder from being destroyed by distorted bushing and ravel out the deflective fray and guide problems,reduce destruction of the tubing string coupling and the tubing string,extend the expectancy of tubing string.

设计了一种新型采油工艺管柱导向器，通过应用该导向器，在作业中实现管柱铰接，可有效解决由套管套变引起的封隔器损坏、失效现象，起到保护封隔器胶筒的作用。

On the basis of above research, this paper designs an effective, flexible, expansible Cluster Monitor solution according to the aim and principle of Cluster Server.

在上面的分析研究的基础上，根据集群服务器的设计原则和目标，设计了一个高效、灵活、可扩展的集群监控系统方案，可以最大程度的屏蔽集群服务器的单点失效，具有易于扩展的特点。

Neumann series expansion in Monte-Carlo finite element is used to find the stress of fiber winded composite structures with stochastic factor; Structure reliability formula are then given by Monte-Carlo comparison method and Tsai-Hill failure criteria.

将纽曼级数展开的蒙特卡罗随机有限元应用于具有随机因素的纤维缠绕结构的应力求解；然后利用蒙特卡罗直接比较法和蔡希尔失效判据给出该结构的可靠性算式。

The failure analysis on the leaked bellows expansion joint in catalytic cracking unit was investigated.

对某石化公司催化裂化装置中泄漏的大型波纹管膨胀节进行了失效分析。

The results show that the stress corrosion is the main failure causing of the bellows expansion joint,while the local pit corrosion,residual stress and the working stress is the necessary condition.

结果表明，应力腐蚀是该膨胀节失效的主要原因，而局部的点蚀和残余应力、工作应力是应力腐蚀的必要条件。

The technical aspects of the device explantation are discussed as well as issues pertinent to early failure.

本文适当地讨论了早期失效后假体取出及翻修的技术。

The results show that, the main reason for the ammunition exploder falure is that PVAC is degraded to HAc, and HAc diffuses to exploder inside leading to its corrosion.

结果表明，某引信失效的主要原因是弹药中炸药组分聚醋酸乙烯酯降解为醋酸，醋酸扩散至引信内部导致金属材料的腐蚀。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。