失效分析

The paper introduces in brief the service condition and invalidation type of chain in cement clinker apron converyor, and gives an overall analysis of wearing-out failure principle of the chain.

简要介绍了裙板输送机用水泥熟料链条的服役工况和失效形式；全面分析了该链条的磨损失效机理。

The results show that desquamation is the main failure form of the cooling roll,and some correlative preventive measure s are given.

通过对冷轧辊失效机理的论述及案例的宏观断口与微观组织分析，指明剥落是冷轧辊的主要失效形式，并提出相应的预防措施。

Basing on failure mode and mechanism analysis of power plant boiler tubes, the author built the failure models and estimated their remaining life; and then, with the theory of fault diagnosis and other relatable theories, the author established the condition-based maintenance system.

本文通过对电站四管失效方式和机理的分析，建立失效模型，估算出管道剩余寿命；结合故障诊断等相关理论，对于锅炉四管状态检修系统的建立进行了研究。

Through analyzing the s tressed state of each part of the drill string in borehole,the four main charact eristics and basic reasons of the drill string failure that often occurs and is of general character are analyzed and the feasible,scientific and effective meas ures for preventing these common drill string failure accidents are emphatically proposed in this paper.

文章从分析钻具在使用过程中的受力情况出发，根据钻柱各部位在井内的受力情况，剖析了四种经常发生的、带共性的钻柱失效的主要特征及根本原因，重点提出了比较可行的、科学的预防这几种常发性钻具失效事故的有效措施和看法。

Through analyzing the failure reason of double row tapered hole cylindrical roller bearing , the problem of bearing early failure which is due to unproper installment and usage during installing, debugging and trail running is solved.

通过对双列锥孔圆柱滚子轴承的失效原因进行分析，解决装机、调试和试车过程中经常出现的因安装使用不当造成轴承早期失效的问题。

So I choose to analyze the company managing from the angle of the internal control, to find out how it abates and why it happened. Then I will put forward the advisories which are very specific and operable on the basis of COSO. I hope that this will provide some experience for enterprises to make their internal control system effective.

因此，本文选择从研究内部控制的角度，分析我国上市公司内部控制失效的现象，并对此进行深入研究，挖掘背后的成因，并以COSO报告为框架，提出具体的、十分具有可操作性的完善对策，希望有助于改善上市公司内部控制失效的状况，对上市公司完善内部控制起到借鉴作用。

So I choose to analyze the company managing from the angle of the internal control, to find out how it abates and why it happened. Then I will put forward the advisories which are very specific and operable on the basis of COSO. I hope that this will provide some experience for enterprises to make their internal control system effective.

因此，本文选择从研究内部控制的角度，分析我国上市公司内部控制失效的现象，并对此进行深入研究，挖掘背后的成因，并以COSO报告为框架，提出具体的、10分具有可操作性的完善对策，希望有助于改善上市公司内部控制失效的状况，对上市公司完善内部控制起到借鉴作用。

This paper has done analysis about the saw blade in first contact and steady incising state by means of theory and limited cell method , and got significative results .

针对热锯机锯片磨损较快，使用寿命过短等主要失效形式，为摸清失效机理，找出预防办法，进行了锯齿初始接触状态和稳定锯切状态下齿尖应力的理论分析和有限元研究，并且得到有意义的结果。

The shortcoming of determining failure distribution in intuition is pointed out, and an idea of quantitating similarity between theoretic curve and testing curve to determine the failure distribution of samples is presented, which is based on analyzing the traditional leaf-figure method. Furthermore, the correlation coefficient method is considered to quantitate similarity between two curves.

在分析传统树叶图方法的基础上，指明了直观判断失效分布的弊端，提出了用量化理论曲线和试验曲线间相似度的方法来确定样本失效分布的思想，进而考虑用相关系数方法来量化曲线间的相似度。

Using the experimental data obtained in this paper,the validity of severalscuffing medels in literature have been analyzed,the results indicate that none of the models canexplain various scuffing behaviors observed in the tests of this paper.

根据所获试验结果对文献报道的几种表面胶合失效理论模型的适用性作了详细分析，发现这些都不能解释本试验中所发生的各种胶合失效现象。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。