超期服役

这架飞机已经超期服役很长时间了。

The plane has been kept in service far longer than originally intended

对已超期服役且中度球化的焦炭塔20g材质在常温下的疲劳裂纹扩展速率da/dN进行了试验研究。

Fatigue crack propagation rate on normal temperature for 20 g steel that has served a coke tower over its design life was studied .

同时费用数据指出了超期服役可能面临的不经济局面，为业主根据具体情况在FPSO超过设计寿命期后作出维护或退役决策提供参考依据。

The data of costs shows the probable uneconomical situation of FPSO during its overage service , which is helpful to make maintenance or retirement decision for owners when FPSO exceeds its designed service life .

超期服役铁路罐车罐体的剩余寿命评估

Residual life Assessment of the extra-served vessel on a tank wagon

对超期服役重整反应器采用正火加喷淋工艺进行恢复

The Restoration of Over-Service-Time Reforming Reactor by Normalizing under Spray Type Cooling

丁二烯萃取精馏塔超期服役安全评定

Safety assessment for an extended service of butadiene extraction and rectification tower

超期服役机组的损伤模型研究及寿命评估分析

Damage Model Study and Life Assessment for Aged Unit

超期服役机组寿命评估技术及研究进展住宅小区寿命期环境性能评估体系研究

Life Assessment Technology for Units With Extended Service Term Age and Its Research Progress

导弹超期服役的费用-效能分析

Cost-effectiveness analysis of missile in the extra-service

多层砖混房屋超期服役的风险分析

Risk Analysis for over-serviced multi-storied brick building

为了全面了解该门机超期服役的整体性态，对其在使用状态下的力学性能进行了研究。

Performance research is carried out in order to find out the whole performance of the crane under extended service .

通过分析，建立了计算多层砖混房屋超期服役风险度的计算机仿真模型。

By analysing , the author sets up the computer simulation model for calculating the risk degree of over-serviced multi-storied brick building .

应开展关键部件的瞬态监督，为核电站运行事故评估、超期服役评估提供依据。

To evaluate plants accident and provid the basis beyond the original design life , the transient monitoring of the key components should be built up .

从施工机械管理方面来看，机械设备陈旧、超期服役等原因造成机械性能下降，从而影响到工程质量。

From the point of construction machinery management , machinery and equipment obsolescence and extended service cause mechanical performance decline , thus affecting the quality of the project .

由于外部荷载、环境浸蚀、超期服役、自然灾害、设计初始缺陷等原因，这些建筑结构普遍存在损伤现象。

Almost all of these architecture structures are subjected to damage due to external loads , environmental effect , excessive service , natural disaster , initial design defect etc.

提出对超大修周期、超期服役、危及行车安全供电的设备在运行、检修方面应采取的对策；

Puts forward the counter-measures in respects of operation and repair of equipment in overhaul repair period , operation out of the service life period , or danger to the safety operation of train ;

由于多种原因，一半尾矿库未取得安全生产许可证，近一半处于病、险、危或超期服役状态。

Because of various reasons , half tailing ponds in our country have not obtained safety licenses for production , and nearly half of them are in disease , dangers , hazards or extra-service state .

目前港口流动机械在使用过程中由于磨损老化，许多机械都面临超期服役，再加上使用年限的增加，使得起动性、动力性、经济性逐渐下降。

Port mobile machinery currently in use because of wear and tear of aging , many are facing extended active duty , coupled with the increase of service life , making the starter , power and economy declined .

文章阐述了火电厂超期服役机组常用寿命评估方法的理论基础及步骤，分析了优缺点，并介绍了寿命评估领域的新理论和新技术。

The theoretical basis and performing steps of life assessment of thermal power plant units with extended service term age are reviewed , the advantages and disadvantages of these methods , and some new theories and technologies are discussed .

由于装置超期服役多年，装置的失效可能性等级逐年增加，且风险分布范围比较大，应当加大检测力度。

Because the devices have extended their service for many years and have a relative large range of risk distribution , the device failure probability level increases year by year , it is recommended to increase efforts to inspection .

主要采用数理统计理论的方法，结合工程实践，探索水工钢闸门结构在不同锈蚀条件下的剩余寿命估算方法，分析既有（包括超期服役）水工钢闸门剩余寿命的可靠性。

Mainly adopting mathematical-statistical method and in combination with engineering practice , this paper discusses the residual life estimation method of hydraulic steel gate structure under different rusty conditions and analyses the reliability of residual life of existing hydraulic steel gate ( including extended service ones ) .

对超期服役的铁路罐车技术评定应在常规检测的基础上，侧重于焊缝质量检查（无损探伤）、罐体材质检查（主要通过硬度测试）、壁厚测定及强度校核。

Technical evaluation of extended-service liquid chlorine tank-wagon should be based on routine testing while particular emphasis is laid on : weld quality inspection ( nondestructive testing ), retest of tank ′ s materials ( mainly by means of hardness testing ), survey of wall thickness and strength analysis .