设计寿命

分析了LPG球罐改造成天然气球罐的有关技术问题：强度和刚度的复核、球罐检验、接管和人孔的改造、设计寿命计算。

The related technological problems in changing LPG spherical tank to natural gas spherical tank , including check of strength and rigidity , test of spherical tank , reform of connector and manhole , calculation of design life are analyzed .

LNG船作为一种高技术、高难度、高附加值的新型船舶，设计寿命周期长，更易产生疲劳问题。

LNG carrier is recognized as a kind of complex ship with high tech , high difficulty and high appended value and with large scale . Its design life has 40 years , which makes it more vulnerable to fatigue loads .

国家航天局表示，8月23日，“祝融号”火星车在火星表面行驶里程已突破1000米，已完成全部预定任务，且超出其3个月的设计寿命。

China 's Mars rover Zhurong had traveled more than 1000 meters on the surface of the red planet as of Monday , the Lunar Exploration and Space Program Center of the China National Space Administration ( CNSA ) said . The Mars rover has outlived its three-month life expectancy with all of its predetermined tasks completed .

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 .

结果表明，该对接区能满足L11飞机设计寿命指标要求。

The results have shown that the butt-joint structure area can meet the design life index of L11 jet trainer .

大庆石化总厂炼油厂F-401加氢反应器自1966年投入运行至今已达30多年，超过了设计寿命（12年）。

The F-401 hydrogenated reactor in Daqing oil refinery has been put into operation , for more than 30 years far beyond its design life limit .

珠海电厂一期2台700MW机组锅炉所配置的MVM25R磨煤机的7个辊套未到设计寿命12000h便先后发生断裂。

Seven roller-casings of MVM 25R type coal pulverizers allocated to boilers of two units in Zhuhai Power Plant have been broken early or later before reaching the designed service-life of 12000h .

法国兴业银行（SociétéGénérale）分析师提出：如果这些富裕国家不再建造更多的反应堆，并让现有反应堆在其设计寿命到期后关闭的话，在2010至2030年间，平均每年将额外排放8.6亿吨碳。

Analysts at Soci é t é G é n é rale , a French bank , argue that if these rich countries built no more reactors and allowed existing ones to close at the end of their planned lives , an extra 860m tonnes of carbon a year would be emitted , on average , from 2010 to 2030 .

在自动化测试集的3年设计寿命到达时，客户的投资收益比已经达到236%之高。

And after 3 years , the ROI is 236 % .

满足系统设计寿命和系统应用性的要求；

Designed life and applicability demand of the system shall be satisfied .

完整的零件设计寿命数据。

Complete design life data at component level .

电站锅炉高温部件2×105h设计寿命研究

Fitness Study for 2 × 10 5h Design Life of High Temperature Components in Utility Boiler

而且，其实际的寿命比设计寿命低得多。

Further more , the actual service life is almost much shorter than the design life .

卫星的设计寿命必须要大于卫星在轨工作寿命。

The artificial satellite design life-span must need greater than artificial satellite in the orbit working life .

海洋级铝泵体与丽绚衬砌是一个强有力的证明，泵的设计寿命长。

Marine grade aluminium pump body with Rilsan lining is a proven robust pump design for long life .

这种全新的银行卡上的迷你显示屏由一块小电池供电，电池的设计寿命为三年。

The mini-screen on the new cards is powered by a small battery designed to last three years .

规范要求的主要目的是确保设备在设计寿命期的完整性和机械（力学）稳定性。

Main objectives of Code Requirements are to ensure the integrity and mechanical stability over the equipment design life .

采用电弧喷涂铝复合涂层来解决反应釜的腐蚀问题，可使其达到或超过设计寿命。

Arc sprayed aluminium composite coating can increase the service life of reaction caldron up to the design life .

我国空间站的设计寿命为10年，在距地面400公里的轨道上运行。

The space station has a designed life of 10 years in orbit 400 km above the earth surface .

再按40年的核电厂设计寿命（年负荷因子为0.8）折算，则可多发76亿度的电。

During 40 years ( 0.8 loadfactor ) plant design lifetime , it may give out 7600 GMW extra power production .

从而得出支座连接结构在正常养护维修情况下，设计寿命期内不会发生疲劳开裂的结论。

So the conclusion that it can not appear fatigue cracks during design life period with normal periodic maintenance is provided .

这颗卫星由中国航天科技集团负责研制，设计寿命为15年。

The satellite was produced by China Aerospace Science and Technology Corporation ( CASC ) with a designed longevity of 15 years .

该模型的最优准则是：管道在设计寿命期内所需的总费用现值最小。

In the model , the minimum total discounted cost during the whole life of the pipeline is taken as the optimal criterion .

海洋工程系泊链设计寿命为20年以上，所以材料必须要有较高的力学性能要求和较好的耐蚀性能。

The life-span of offshore engineering mooring chain is more than 20 years . So the mooring chain need has good integrated mechanical and chemical properties .

但是，如果旧沥青路面裂缝太多，这些裂缝可能会在设计寿命内迅速地反射到新罩面层。

However , If the pavement shows too much cracking , these cracks rapidly make their way through the new overlay before design life has been reached .

该种模型考虑了由于风速的不稳定所带来的作用在风力机叶片上分布载荷的不确定因素，并假定风力机的设计寿命为20年。

This model accounts for the uncertainty about the loads acting on the wind-turbine rotor blade by the unstable wind distribution . A 20-year design lifetime is considered .

优化结果标明，修改后的路面结构设计寿命增加了6年，修改后的压应变比原来降低了10倍；

The results of optimal structure show that the design life of asphalt pavement structure increases 6 years , and the compress strain is 10 times lower than before .

裂解炉炉管运行很多已远远超过其设计寿命，这些炉管是否还可继续运行和运行多久，是亟待解决的问题。

Cracking furnace tube run many has far exceeded its design life , the furnacetube still can continue to run and run long , it is the problem that solves urgently .

在现阶段，桥梁健康检测、桥梁损伤识别和状态评估来确保结构设计寿命内的安全运营已成为关注的课题。

At this stage , the bridge health monitoring , damage identification and condition assessment to ensure that the structure of the safe operation within the design life has become a concern .

计算结果与起重机设计寿命基本相符，表明计算结果满足工程上精度要求，该寿命模型是实用和可行的。

The results accords with the designed life of the crane by and large , showing that calculation results meet required precision for engineering , and that life fatigue model is practicable .