Through investigation,the authors figure that the average lifetime of the concrete dams in China is about 30-50 years.
闡述了壩工混凝土及其建筑物壽命的現(xiàn)狀 ,指出國外壩工界認(rèn)為混凝土壩的耐久壽命至少為 10 0 a,而我國混凝土壩的平均壽命為 3 0～ 5 0 a,2 1世紀(jì)我國將要付出高昂代價去加固修復(fù)病壩、危壩。
In this paper a topologic analysis on the reliebility index system for power plant s protective devices is outlined, in it proposed a concept and algorithm on average life s corrent value to refrain from some weakness of the average life value.
對電站保護(hù)裝置可靠性指標(biāo)體系引用拓?fù)淅碚撨M(jìn)行了概要分析，其中針對平均壽命值的弊端提出了平均壽命當(dāng)時值的概念及算法。
This paper applys Bayes method and historic testing datas and the informations provived by industral technique to make Bayesian demostration test sampling plans of mean life θ=1/λ,thus decreasing working times.
采用Bayes方法,利用歷史試驗數(shù)據(jù)及工程技術(shù)經(jīng)驗所提供的先驗信息,制訂了平均壽命θ=1/λ的Bayes驗證試驗抽樣方案,以達(dá)到減少試驗工作量的目的。
Aiming at the problem how to determine whether the samples are IID, this paper analyzes the test of IID samples and discusses the statistic analysis of reliability under IID and non-IID conditions by taking the mean life for example.
如何判別樣本是獨立同分布 ?針對此問題 ,本文討論了樣本獨立同分布的檢驗 ,并以平均壽命為例 ,對樣本獨立同分布和非獨立同分布條件下可靠性統(tǒng)計分析進(jìn)行了討論。
This paper gives an assessment method for the mean life of complex system based on component test information.
提出了一種利用復(fù)雜系統(tǒng)組成設(shè)備的試驗信息,對復(fù)雜系統(tǒng)平均壽命進(jìn)行綜合評估的方法。
Minor accidents can shorten the life of a car.
小事故會縮短汽車壽命。
Ball bearings, and sometimes automotive parts, are designed on the basis of finite life.
球軸承和汽車零件有時是按無限壽命設(shè)計的。
Fatigue Analysis and Fatigue Life Estimation Method Research of Automobile Wheel;
汽車鋼圈疲勞分析與壽命估算方法研究
Analysis of Intensity and Stiffness and Fatigue Life for the Hydrobulging Automobile Axle Housing;
液壓脹形汽車橋殼強度剛度及疲勞壽命分析
Research on the Lubricant Cooling System of the Automobile s Transmission Life-span;
汽車變速器壽命試驗臺潤滑冷卻系統(tǒng)的研究
Monitoring System Research and Development for Automobile Transmission Life Testing;
汽車變速器壽命試驗監(jiān)控系統(tǒng)的研究開發(fā)
The Life Prediction of Automobile Front Axle Using Part Load Spectra;
基于載荷譜進(jìn)行汽車前軸壽命估算方法研究
Research on the Key Technologies of Real Axle Fatigue Life Testing
汽車驅(qū)動橋總成疲勞壽命試驗關(guān)鍵技術(shù)的研究
The Finite Element Analysis of Dynamic Performance of the Automotive Drive Axle Housing and Its Fatigue Life Prediction
汽車驅(qū)動橋橋殼動力特性分析與疲勞壽命預(yù)測
The Prediction of Vehicle’s Service Life With BP Neural Network
基于BP神經(jīng)網(wǎng)絡(luò)的汽車發(fā)動機壽命預(yù)測
TD Cladding and Production Verification of the Serving Life of Tube Bending Mold of the Vehicle
TD覆層與汽車彎管模具使用壽命的生產(chǎn)驗證
Research testing equipment for automobile relay life based on PLC control
基于PLC控制的汽車?yán)^電器電壽命試驗裝置研究
How to Extend Service Life of Electrical Car Weighing Instrument Weigh Sensor
如何延長電子汽車衡稱重傳感器的使用壽命
Research on Intelligent Analysis System for Cold Extrusion Process and Fatigue Life of Automobile Part;
汽車件的冷擠壓工藝與疲勞壽命智能分析系統(tǒng)的研究
The Virtual Instrument Development and Application in Automobile Transmission Life Testing Condition Monitoring;
虛擬儀器在汽車變速器壽命試驗臺狀態(tài)監(jiān)控中的開發(fā)與應(yīng)用
A Design of Vehicle Steering Gear Performance and Life Test Devices Based on an Embedded Real-time Operating System;
基于嵌入式實時操作系統(tǒng)的汽車轉(zhuǎn)向器性能及壽命試驗
Analysis on Model of Life Cycle Cost of Electric Vehicle Based on Consumer Perspective
基于消費者視角的電動汽車全壽命周期成本模型及分析
Experimental Study on the Influence of Shot Peening on Fatigue Life of Automobile Clutch Diaphragm Spring
噴丸強化對汽車離合器膜片彈簧疲勞壽命影響的實驗研究