失效

Influencing reliability of oil well pump can be determined with this method.

故障树分析可以描绘出系统失效和零部件失效的逻辑因果关系，能够给出抽油泵中影响可靠性的一些共性因素。

In this paper the conception of remanufacturing machining is described, and analyze qualification for worn parts remanufacturing machining, then classify the remanufacturing machining methods, finally discuss the remanufacturing features of some mechanical machining methods, such as restore dimension method, rabbet part method, part replacing method, conversion and plasticity distortion method.

本文叙述了再制造加工的概念，分析了失效零件进行再制造加工的条件，并对再制造加工技术方法进行了分类；重点分析了失效零件机械加工法再制造的特点，并探讨了常用的修理尺寸法、钳工再制造恢复法、镶加零件法、局部更换法、换位法和塑性变形法等再制造修复方法。

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。

Reliability model in series of motor driving system in vehicle was established.

直流母线支撑电容、大功率电子器件、控制电路、轴承和绝缘的失效是电动汽车电机驱动系统的主要失效模式。

Application level multicast design (3) Node failure processing Most designs are care about how to use multicast tree to provide service, but few have considered how to cope with node failure.

2应用层多播方案设计(3)节点失效处理现在关于多播路由的研究大多着眼于多播树的生成以提供多播服务，但很少关注怎么样处理节点失效的问题。

The paper outlines the general design method for the minimum beat systems, an discussion on the role of the staleness weighting factor in improving transient response performance of digital control systems and the method to introduce the staleness weighting factor alongwith examples applied in practical engineering systems.

本文概述了最少拍系统的一般设计方法，讨论了失效加因子改善数字控制系统瞬态响应性能的作用，以及引入失效加权因子的方法、并给出了它们在实际工程系统设计中应用的例子、对完善最少拍系统设计方法在工程上的应用具有一定的价值。

The result from the two methods, it is very close and good for the bridge. We also do correlation to the stochastic variable with the stress of the failure models.

同时采用数理统计的方法，分别随机变量和失效模式所对应的应力值进行相关性分析，分析随机变量对失效模式的应力值的敏感性。

Clean and check 1 slowly loosen the gland nut stuffing, packing the release of residual pressure of all components; 2 Remove all old packing, thoroughly clean axle / rod stuffing; 3 Check the shaft / bar have corrosion, dents, scratches or excessive wear; 4 Check whether there are other WATER POWER CONTROL VALVE parts burr, cracks, wear, they will reduce the packing life; 5 Check whether there is too much stuffing the gap, and the shaft / rod eccentric degree; 6 the replacement of defective parts larger; 7 Check the old packing, as BALANCING VALVES the basis of failure analysis to find the reasons for early failure of packing.

缓慢松开填料函的压盖螺母，释放盘根组件内所有的残余压力； 2）移去所有旧的盘根，彻底清洁轴/杆的填料函； 3）检查轴/杆是否有腐蚀、凹痕、划伤或过度磨损； 4）检查其他零件是否有毛刺、裂纹、磨损，它们会减少盘根的寿命； 5）检查填料函是否有过大的间隙，以及轴/杆的偏心程度； 6）更换有较大缺陷的零部件； 7）检查旧盘根，作为失效分析的依据，球阀以找到盘根早期失效的原因。

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。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。