失效的

The fault tree of atmospheric-vacuum distillation unit is established with deductive method on the theory of fault tree analysis.

根据故障树分析理论，用演绎法建立了常减压装置的失效故障树，通过定性分析找到影响稠油加工常减压装置安全性的主要因素，通过定量分析计算出引起失效的各事件的概率和重要度。

In this flow a tradeoff of multiple test methods is adopted, which includes structural test, functional test and parametric test. Using the test mode of"stop as finding the fault"and based on the position of the first failure, we can label the faulty chips into different bins.

该流程综合采用结构测试、功能测试、参数测试等测试方法，采取"发现故障即停止"的测试方式，根据芯片首次失效的位置对失效芯片进行Bin的分类，有效增强了分析的针对性，缩短了测试时间。

The relative permittivity calculated from the high frequency value of impedance spectra,was used as the index to monitor properties variation with immersion time.

结果表明，涂层在流动的条件下加速失效，失效的原因是液体的流动加速了溶液中离子，而不是水分子向涂层中的渗透。

Lead-acid battery recovery techniques including activation with gel nano-carbon, pulse charge with variable current scope and scanning-frequency sympathetic vibration charge were reviewed. The battery may be disabled by water-lost, sulfated or battery case mechanically damaged by hit, beat and fall down. Recovery mechanism, methods and application range were discussed.

本文综合性地论述了用纳米碳溶胶活化剂、变幅脉冲充电技术、扫描共振频率充电技术，对因失水、严重的硫酸盐化而造成电性能失效的铅酸蓄电池及因碰撞、跌落、摔打导致铅酸蓄电池外壳破裂而失效的电池进行修复的机理、方法、适用范围以及试验结果。

Abstrac t: Lead-acid battery recovery techniques including activation with gel nano-carbon, pulse charge with variable current scope and scanning-frequency sympathetic vibration charge were reviewed. The battery may be disabled by water-lost, sulfated or battery case mechanically damaged by hit, beat and fall down. Recovery mechanism, methods and application range were discussed.

本文综合性地论述了用纳米碳溶胶活化剂、变幅脉冲充电技术、扫描共振频率充电技术，对因失水、严重的硫酸盐化而造成电性能失效的铅酸蓄电池及因碰撞、跌落、摔打导致铅酸蓄电池外壳破裂而失效的电池进行修复的机理、方法、适用范围以及试验结果。

It has been found that although electrical failure was caused by solder joint crack, it was the underfill related failures that cause the solder joint crack.

在此基础上，揭示了倒装芯片封装的失效机理：焊点断裂是导致封装电失效的原因，而下部填充料中的损伤是引起焊点断裂的主要原因。

Since general situation is that both environment load and component property are random variables,failure dependency is common for most redundant system s.

从可靠性数学的角度，以环境载荷与零件性能的特征及其相互关系为背景，探讨了k/n冗余系统共因失效的原因与机理，并致力于冗余系统共因失效概率预测的精确方法。

According to specific character of research object, via much study work, analyzing many cases of non-heat pressure vessel invalid and combining test result in electric power industry .It analyse and summarize the main reason of hydrogen pressure vessel of electric power plant.This essay carry out crazing performance test of hydrogen causing material .

根据研究对象的具体特点，通过大量的调研工作，分析了大量有关非热力压力容器失效的案例，结合电力行业内已有的检验结果，对电站氢气压力容器失效的主要原因进行了分析和总结；进行了氢致材料开裂性能实验。

Theoretically the pump blade failure mechanism was worn on, the impact of wear failure leaves the various factors was analyzed, combined with practice pumping station operation and maintenance experience, the focus at a reasonable selection, surface heat treatment, non-metallic protective coating alloy powder spray repair welding and welding six aspects, premature wear of the pump blade technical measures and repair methods was prevented in order to enhance its effective life.

理论上阐述了水泵叶片磨损失效的机制，具体分析了影响叶片磨损失效的各种因素，并结合泵站运行实践和维修经验，重点在合理选材、表面热处理、非金属涂层防护、合金粉末喷焊和补焊等6个方面，提出了防止水泵叶片过早磨损的技术措施和修补方法，以提高其有效的使用寿命。

To counter the case which worm gear lost efficacy of rotating screen barrel rice mill ,reliability design theory was applied to analyze it.

针对旋筛式碾米机蜗杆传动时有失效的情况，运用模糊可靠性设计理论对蜗轮的强度进行分析研究，找出了蜗轮接触疲劳强度可靠度不足而失效的原因，将蜗轮材料由铸铁改为铝铁青铜，提高了蜗轮—蜗杆接触强度可靠度和弯曲强度可靠度。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。