The drug will lose its potency when exposed to moisture.

这药一受潮就会失效。

Titles to the estate has not been extinguished.

财产的所有权尚未失效。

The drugs work well at first but gradually lose their effectiveness.

这些药的效果起初非常好，但后来逐渐失效。

China regrets the abrogation of the Anti-Ballistic Missile Treaty.

中国对《反弹道导弹条约》失效感到遗憾。

These outages must be tracked to build a record of failed service delivery.

对这些中断必须跟踪，以建立失效的服务提供记录。

Remarriage would revoke all previous wills.

再婚会原有的一切遗嘱失效。

Lightpathes of WDM ring using share protect and wavelength reuse will be easy to misconnect when multi-fiber-fault or node-fault happen.

采用用和共享保护的分复用(WDM)环网在多点故障或节点失效时将产生错连。

Elastic statics mainly relates to the connection between force and transmogrification, elastic body's invalidation, the guide line of design in invalidation.

弹性静力学主要涉及力和变形之间的物性系，以及弹性体的失效、与失效有的设计准则。

Because of this, the unyielding grip of totalism appears more and more like its stereotype and it will continue to fail.

基于全能主义的强硬管制，随着权利意识的普遍复苏和公民力量的成，越来越显得老套，越来越失效。

4 In multicoat systems adhesion failure may occur betweennbspnbspcoats so that the adhesion of the coating system to thenbspnbspsubstrate is not determined.

多层系统的失效发生层之间，以层与基层之间的粘附性无法确定。

Distorsion,corrosion,erosion and abrasion mechanisms,concerning the faulty section,of the boiler s secondary superheater were studied by on-site measurements and by samples,cut from the tubes.

分别采取现场实测和割管取样2种方法对锅炉二次过热器的变形、腐蚀、冲刷与磨损等主要失效机理进行了分析,并由此得出预防管子失效的对策。

The failure of directly buried heat-supply pipeline is discussed, and the design essentials are put forward in accordance with local buckling and ovalization deformation.

探讨了直埋供热管道的失效,针对局部失稳和椭圆化变形,提出了设计要点。

In this paper, the possible reasons for Cd-Ni secondary battery to be out of work were discussed，and the nonserviceable Cd-Ni secondary batteries were successfully restored.

探讨了镉镍二次电池失效的原因,并报道了修复失效的镉镍电池的方法.

Therefore, it is studied and analyzed in details the reason for the vitiation of TEG solution by many kinds of testing methods and means.

为此,通过多种试验方法和手段,详细分析研究了三甘醇溶液的失效原因,并通过室内试验确定了三甘醇溶液的废弃标准。

Analysis on leakage reasons of chlorine liquefier were anlysed from manufacture, test and application. The liquefier was failure, and the protective measures were put forward.

从制造、检验、用等方面对氯气液化器的泄漏、失效原因进行了详细分析,针对失效原因提出了防护措施。

Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis.

采用宏、微观分析、化学成分分析等手段,对冷却水管的腐蚀穿孔进行了失效分析。

In order to prevent failure of packer and provide theoretical basis for selection of unsetting shear pin, the unsetting force of packer must he calculated in design.

为了防止封隔器在工作过程中失效，并为解封剪钉（或剪环）的选择提供理论依据，必须进行解封力的设计计算。

The results show that the failure is mainly attributed to the inappropriate heat-treatment technology of the locking nut and the hydrogen brittlement from electroplating of the stopping pad.

构件失效的主要原因是：锁紧螺母的热处理工艺不当，止动垫电镀过程发生氢脆。

This heating helps to break down weak spots in the dielectric that otherwise might pass through the electrode undetected, only to fail during a later spark or hipot test.

这热量帮助击穿电线绝缘较薄的地方﹐否则线材通过电极而没有被检测到﹐结果在以后的火花测试和高压绝缘试验将会失效。

To sum up the effect of chlorion corrosion on the process equipments and index in Bayer process alumina production,and analyse the main reasons of equipments unefficient caused by chlorion corrosion.

综述拜耳法生产氧化铝过程中氯离子对工艺指标及生产设备腐蚀的影响，分析了有氯离子存在时造成设备腐蚀失效的主要原因。