失效分析

A comprehensive maintenance tactics system is therefore established,with strategically guiding significance to the air fleet management and to the comprehensive maintenance of airlines.

因此，以分析失效故障的原因，制定系统的预防措施，作为航线维护程序的补充和技术管理的参考策略，将显著提高并持续改进 A PU 的航线使用维护水平，提高在翼使用时间和派遣可靠

According to the failure style of the air valve of industrial compressor,the fracture and static stress are analyzed.

针对工艺用压缩机气阀的失效形式，对损坏的阀片进行了断口及静态应力分析。

Then in the first chapter, the device is modeled to get approximate value of each parameter.

最后对流水中可能出现的器件失效机理进行分析，并提出改进方法。

At last, the atomic elastic model is firstly applied to explain the reason why FBG loses its grating characteristic at high temperature.

通过分析研究，提出了用原子弹性模型解释FBG在高温状态下失效原因的新观点。

The basic properties of the importance measure of the basic variable effect on the failure probability are discussed in this paper. Since the saddlepoint based line sampling method is independent of the distribution types of the random variables, and has the advantages of high accuracy and efficiency, this method is employed to estimate the defined importance measure.

文中分析了所定义基本变量对失效概率影响重要性测度的基本性质，并基于鞍点线抽样在求解可靠度时不受随机变量分布形式的限制及其效率和精度较高的优点，提出了求解该重要性测度的鞍点线抽样方法。

Numerical simulation research of strain localization phenomena can provide a new method for analysis of borehole failure,and for its forecast or control.

采用变形局部化的数值模拟研究可对井眼失效的机理分析、预测和控制提供新的思路

Brownout test;(12)、Storage test

失效模式分析测试

In this work, the failure problem analysis was carried out based on self developed carbon fiber and carbon composite heating elements, with the purpose of process optimization, the twisting and winding equipment for ply yarn carbon fiber heat ...

本文首先进行了碳素电热元件的失效问题分析，以优化工艺为目的研制了碳素纤维电热体股线的捻制缠绕设备和碳素复合材料电热体的高温定型装备，在制备出高质量碳素电热元件的基础上测试其相关的电热性能并进行机理分析，之后系统研究碳素纤维及其复合材料电热体热辐射性能的变化规律，最后从工程应用出发，进行碳素复合材料电热元件辐射热流密度分布的数值模拟。

In order to design the rod string and analyze failure mechanism, the dynamics analysis on rod string of surface driving screw pump must be conducted.

地面驱动螺杆泵抽油杆柱动力学分析是杆柱设计、失效机理分析的关键技术。

Aiming at the frequent occurrence of drill-string fracture during gas drilling in the Puguang gas field, this paper, based on the statistical analysis of accidents on fields, makes in-depth investigation into the origins of drill-string accidents in aspects of peculiar drilling medium, different rock-breaking methods, and the vibration of drill string during the drilling process. Through macro, micro and material analysis of the fracture surface of drill string, the law of drill-string failure due to fracture is discovered and the fatigue fracture is found out to be the main type of drill-string fracture.

针对普光气田气体钻井过程中存在的钻具断裂频繁的问题，在对现场事故统计分析的基础上，从特殊的钻井介质、不同的破岩方式以及钻井过程中钻柱共振等方面定性分析了钻具断裂的原因；通过对钻具断口宏观、微观及材质分析，找到了钻具断裂失效的规律和主要形式－疲劳断裂。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。