失效分析

Systematically analysing the method on the failure approach of patten recognition of the flood control hydro-project system, combining the social economical efficiency of the flood control system"s invalidation losses, the paper provides the concept "flood disaster risk " and constitutes the failure analysis approach of patten recognition system on the base of the flood progress. Combining with the subsystem functions and the failure probabilistic analysis of the hydro structure, the paper discusses the main failure approach of patten recognition and calculus of failure probability, calculates flood control hydro-project"s total risk.

3系统分析了防洪工程系统失效模式识别的方法，结合防洪抗灾系统失效损失的社会经济性，引入洪灾风险概念，建立了基于洪水过程的系统失效模式识别体系，结合各水工结构子系统功能和失效概率分析，讨论了主要失效模式识别和失效概率计算，对防洪工程系统总风险进行了计算。

Established reliability solution calculation model of composite foundation improved by Dry Jet Mixing, looked for main failure mode of system, and analyzied correlation among every failure mode, calculated correlation coefficient among every failure mode, applied narrow bound method to calculate general failure probability of composite foundation improved by Dry Jet Mixing.

2建立粉喷桩复合地基系统可靠度求解的计算模型，找出系统的主要失效模式，并分析各个失效模式之间的相关性，求解各个失效模式之间的相关系数，并运用窄界限范围法求解粉喷桩复合地基系统的总失效概率。

Based on the function and reliability, the design principle for thepermanent magnetic bearing in rotating machine is put forward. FailureMode Effect and Criticality Analysis is studied for thepermanent magnetic bearing, and corresponding designs for magneticbearing are made to enhance the reliability. In addition, the main failuremode and failure causes are found by FMECA, it is found that theadditional alternate magnetic field within the machine causing thepermanent magnet to demagnetize is the main failure mode of thepermanent magnetic bearing in rotating machine.

本文提出了基于功能和可靠性的旋转机械永磁轴承的设计原理，对旋转机械永磁轴承进行了失效模式影响及危害度分析，并相应地提出可靠性设计措施，以提高永磁轴承的可靠性，同时通过FMECA找出了影响永磁轴承可靠性的主要失效模式及失效因素。

In the first part, it is concluded that load is the most fundamentally reason leading to disablement of die after experimentation research, manufacture experience and stat.

第一部分是在锻模的实验研究、生产经验和调查统计的基础上，分析其失效形式和失效机理，得出引起锻模失效的最根本原因是负荷。

By using Visual Basic, based on NASTRAN finite element analysis, this paper developed an efficient and convenient software which can process automatically the result of NASTRAN analysis and establish the database, and compute the failure probability of structural element and system, plot the contour of failure probability.

在NASTRAN有限元分析结果的基础上，以Windows95为开发平台，以VisualBasic为开发工具，开发了一个效率高，使用方便的结构可靠性分析软件该软件可以自动处理NASTRAN的计算结果，建立数据库，计算结构单元和系统的失效概率，绘制结构失效概率分布云图等，为工程人员在有限元计算的基础上进一步进行可靠性分析提供了一个方便、快捷的工具

In brief, these relevant fundamental made by western scholars could by traced in three aspects: first, to define the essential connotation of "government voidance"; second, to analyze its manifestation and cause; third, to put forward a series of remedy measures.

概括地讲，西方学者对政府失效有关理论的阐述，从三个方面进行：界定政府失效的基本内涵；分析政府失效表现及原因；提出一系列补救政府失效的措施。

This paper introduces the related concepts and methods of survival analysis and QTL mapping in detail. This study uses accelerated failure time model for Bayesian QTL mapping, combining the survival analysis and biometrical genetics, and studies on the principle of Bayesian mapping analysis for Genomic Architecture of Survival Traits based on the accelerated failure time model.

本文对生存分析及QTL定位相关概念方法进行了详细介绍，并将生存分析中的加速失效时间模型应用于生物遗传领域的QTL定位分析中，与Bayes作图方法相结合，探讨了基于加速失效时间模型生存性状遗传结构的Bayes定位分析原理。

Tear-down analysis indicates that for VRLA battery, water loss ,negative plate sulphation and positive active material softening are the main causes of failure.

通过对失效的VRLA电池的解剖分析，电池失水、负极板硫酸盐化和正极板活性物质软化是导致VRLA失效的主要原因，介绍了一种使失效电池容量恢复的方法，并对该方法的有效性机理进行了简单分析。

The simulations of microstructure evolution at the interface between the superalloy and the bond coat were made through using the software packages of Thermo-Calc and DICTRA. TBC failure mechanisms and the relation between the failure and interfacial reaction were investigated, and some measures of improving the TBC were then put forward.

包括热障涂层结构和成份设计、样品制备工艺及参数优化；显微组织、相结构和成份分布分析；用Thermo-Calc和DICTRA软件对相变和扩散进行模拟计算；分析涂层的高温氧化失效和热震失效机理以及界面反应与失效的关系，对提高涂层寿命的措施提出自己的见解。

In order to research the ship ultimate strength, the ultimate strength of stiffened panel must be considered. And the web buckling and the stiffener tripping are the two main failure forms of stiffened panel. Based on the two main failure forms in this paper, according to the six failure modes of stiffened panel, the ultimate strength is solved by programming, and the failure mode is presented.

船体梁可近似看作是由加筋板组成的薄壁箱型结构，要研究船舶的极限强度，必须考虑加筋板的临界应力，而腹板屈曲和扶强材侧倾是加筋板的两种主要失效模式，本文在分析这两种失效模式的基础上，根据加筋板的六种失效模式，编程求解加筋板的临界应力，并给出其失效模式。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。