顶事件的英文

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用"顶事件"造句

top event

顶事: be useful; serve the purpose ...
件: piece; article; item
故障树的顶事件: top event
顶事: (有用; 能解决问题) be useful; serve the purpose; be effective 对我来说这本新词典很顶事。 this new dictionary is very useful [helpful] to me. 多穿件毛衣也还顶事。 it does serve the purpose to put on another woollen sweater. 孩子太小, 不顶事。 the child is too young to help
冒顶事故: roof-fall accident

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The probability and unconditional failure intensity of top event was computed in the quantitative analysis of fta based on bdd
在基于bdd的故障树定量分析研究中，实现了顶事件发生概率和绝对失效强度的求解。
It is concluded that the analysis is conducive to setting up an effective risk protection and management for the oil depot
依据故障树分析的结论提出了降低顶事件概率的防范措施，为油库的风险管理提供科学依据，并可为其它油库项目的火灾爆炸事故分析提供参考。
This thesis focuses on techniques of dynamic fault tree in system reliability modeling and its qualitative and quantitative analysis . it studies bdd solution for static sub trees 、 markov chain solution for dynamic sub tree briefly and the modularization of dynamic fault tree ; presents the algorithm for top event occurrence rate of dynamic fault tree based on weibull distribution . then this thesis presents a new approach to solve top event occurrence rate and a new generation algorithm of minimal cut sequence of dynamic fault tree that deviate from markov model completely
本文着眼于动态故障树在系统可靠性建模及定性定量分析中的技术,研究了基于bdd的静态子树分析方法、基于马尔可夫模型的动态子树分析方法以及动态故障树模块化方法,并提出了基于威布尔分布的动态故障树顶事件发生概率计算方法;提出了一种完全脱离马尔可夫模型的求解动态故障树顶事件发生概率的方法和一种最小顺序割集的生成方法。
From top level event fault , every level events " ineffective rate and unreliability limit are calculated and sorted by maximum probability of occurred faults in each level , the sequence of the bottom - event is arranged , and then the most probably happened bottom - event correspond to the specific top - event is found rapidly
从顶事件开始，计算各级故障的失效率和不可靠度，按照各级故障发生的最大概率，排列出底事件序列，迅速找到某一顶事件最可能对应的底事件，实现智能故障分析与诊断。
A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis . in this paper , based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis , according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp , the top events of the fault trees of reactor protection system and the success criteria were established . by using risk - spectrum procedure , the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained
本文在阅读了大量的大亚湾核电站pra报告和各种系统手册等资料的基础上，采用fmea (故障模式和影响分析)和fta (故障树分析)可靠性分析方法，依据大亚湾核电站pra事件树分析的结果，建立了以紧急停堆失效和专设安全设施驱动失效为顶事件的故障树，利用risk - spectrum程序，对所建的故障树进行定量分析，计算，得到系统故障树的失效概率和最小割集，从而为大亚湾核电站可视化风险分析软件提供数据支持。

顶事件的英文

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