失效分析

In addition, the authors also investigated the mechanism of pitting failure of spraying weld tappets, the anti-pitting properties of surface spraying weld overlying strata and the influence of spraying weld technique on the anti-pitting property of tappet.

文章还就喷焊挺杆的点蚀失效机理、挺杆表面喷焊覆层的抗点蚀性能和喷焊工艺对挺杆抗点蚀性能的影响等进行了比较系统而深入的分析和讨论，指出这种喷焊上艺可以应用于斯太尔挺杆的国产化批量生产。

The failure modes of the optical switch were analyzed, which includes:stiction, mechanical fracture, delamination, fatigue and so on. The package ofthe optical switch array was designed.

分析了引起光开关失效的几种主要形式：粘连、机械断裂、分层、疲劳等，并对光开关阵列的封装进行了设计。

To examine and analyze the fracture of spring made of 55CrSi oil-tempered spring steel wire as pre-pressing.

对55CrS i油淬火回火弹簧钢丝绕制的弹簧在压并时出现的断裂进行检测分析，研究结果显示，如果工艺或操作不当、磨削力量过大会产生马氏体及裂纹，导致弹簧早期失效。

Afterwards, one-foot standing position was simulated to conduct the loading and constraint of the model,the Mises and shear force distributing of the cup were analyzed,forecasting the mechanical risk of prosthetic failure.

模拟人体单足站立状态，而后对重建的人体骨盆模型进行力的加载与约束，分析髋臼内Mises 应力及剪切应力的分布情况，预测术后假体失效的力学危险性。

Taking one kind of specification boiler pipe as the object of study, the cracking parent metal, the cracking fragment and the primary goods were analyzed by vertical and horizontal directions.

以某种规格锅炉炉管为研究对象，在炉管爆裂处的母材、撕裂碎块以及供货原材料的纵横两个方向分别取样进行分析，探讨锅炉管爆裂处的金相变化对炉管失效的影响，并给出锅炉炉管爆裂破坏的金相学原因。

This paper mainly discusses the life characteristic and failure mechanism of the muhilayer ceramic capacitor under various working conditions such as charge-discharge frequency, charge voltage, charge-discharge duty radio and discharge inverse peak factor.

主要研究了高储能密度多层陶瓷电容器在不同充放电频率、充电电压、充放电占空比和放电反峰系数等条件下的寿命特性，并对其失效机理进行分析。

Through analyzing the relation with the failure of system and the method of ESD simulator discharge to coupling plate and system placing method, we elementarily summarize some rules about the coupling of ESD and typical electronic devices.

该单片机系统具有故障自动检测功能，在对其进行了效应试验后得出了系统对静电放电的敏感放电电压，分析了系统的失效与静电放电模拟器对耦合板的放电方式、系统的放置方式之间的关系，初步总结了静电放电与典型电子器件的能量耦合规律，并在此基础上对电子系统的静电放电防护措施进行了探讨。

In the present work,Cu nanoparticles with an average size of 20-50 nm were dispersed in diesel fuel oil . A injection pump plunger was in-situ repaired on a 12PSDB75 fuel injection pump by applying auto-reconditioning function of Cu nanoparticles. Mophologies and typicle element distributions of the plunger piston surface before and after repair were analyzed by scanning electron microscopy and energy dispersive X-ray spectroscopy.

将平均粒径为20~50nm的铜粉均匀分散到柴油中，在12PSDB75型喷油泵试验台上利用纳米铜微粒的磨损自修复性能，在不拆卸零件的情况下对磨损失效的喷油泵柱塞偶件进行了原位修复，利用扫描电镜、能谱仪等对修复前后柱塞表面进行了形貌与微区成分分析。

Company, modified and improved the failure of the system. familiar withthe single / double sides, multilayer, blind / buried holes, carbon, plugholes etc. Awealth of experience of analysing anomaly for quality,improvement and prevention, use various types of quality control methodto regulate the product quality.3. Be able to skillfully use the seven QC practices, IE seven practices

熟悉PCB行业的相关标准和系统化管理，能结合公司整体系统运行情况和实际生产的需求，对失效的系统进行修改和完善；熟悉PCB单/双面、多层、盲/埋孔、碳油、塞孔等工艺制程，对品质异常的分析、改善和预防有丰富的经验，能熟练运用各类品管手法对制程品质进行管控。

In order to strengthen their products' market competitive ability and improve pressure gauge's measure accuracy and working reliability, many gauge enterprise expect to analyze and study elasticity character of sensitive elastic element so that they can solve the ineffective problem in process of Type-C spring Tube inducting and measuring stress.

近年来，随着国内外市场的竞争加剧，对压力仪表的质量参数和性能指标有了更高的要求，许多仪表企业为增强其产品的市场竞争能力，提高压力仪表的测量精度及其工作的可靠性，期望运用现代设计理论和方法对敏感弹性元件的弹性特性进行分析与研究，以解决C型弹簧管在感测压力过程中的失效问题。

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。