BS ISO 4392-2-2002 液压流体动力.电动机特性的测定.稳定性
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【英文标准名称】:Hydraulicfluidpower-Determinationofcharacteristicsofmotors-Startability
【原文标准名称】:液压流体动力.电动机特性的测定.稳定性
【标准号】:BSISO4392-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-23
【实施或试行日期】:2002-04-23
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;测量;测量技术;电动机;流体技术;定义;液压传动;液力发动机;起动性能;特性曲线;性能试验;液压设备;机械工程;液压传动系统
【英文主题词】:Characteristiccurves;Definition;Definitions;Fluidtechnologies;Hydraulicequipment;Hydraulicfluidpower;Hydraulicmotors;Hydraulictransmissionsystems;Measurement;Measuringtechniques;Mechanicalengineering;Motors;Performancetesting;Performancetests;Startingperformance;Testing;Tests
【摘要】:Owingtotheheterogeneousstructuralcompositionofthemajorityofthesebearingmetals,aBrinelltestispreferred.TheVickerstestshouldbeusedinthecaseofverysmalllayerthicknesses.
【中国标准分类号】:J20
【国际标准分类号】:23_100_10
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:Installationofelectricdischargelampswithvoltagesexceeding1000VVDESpecification
【原文标准名称】:额定电压1kV以上的日光灯设备的安装
【标准号】:DINVDE0128-1981
【标准状态】:作废
【国别】:德国
【发布日期】:1981-06
【实施或试行日期】:1981-06-00
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:作标记;温度;电气工程;规范(审批);安全工程;电路;漏电路径;定义;管式放电灯;功率输出;避雷装置;防火;过电流保护装置;接地
【英文主题词】:leakagepaths;firesafety;lightningprotection;earthing;specification(approval);marking;circuits;poweroutput;temperature;electricalengineering;tubulardischargelamps;safetyengineering;definitions
【摘要】:
【中国标准分类号】:K70;P91
【国际标准分类号】:1180
【页数】:24P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforMeasuringLife-CycleCostsofBuildingsandBuildingSystems
【原文标准名称】:建筑物和建筑物系统周期成本测算的标准实施规程
【标准号】:ASTME917-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E06.81
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:buildingeconomics;buildingsystems;costanalysis;engineering-economics;life-cyclecosts;present-valueanalysis;Presentvalue(PV)analysis;Buildingeconomics;Costanalysis(ofbuildingconstructions);Engineeringeconomics;Life-cyclecost(LCC)
【摘要】:LCCanalysisisaneconomicmethodforevaluatingaprojectorprojectalternativesoveradesignatedstudyperiod.ThemethodentailscomputingtheLCCforalternativebuildingdesignsorsystemspecificationshavingthesamepurposeandthencomparingthemtodeterminewhichhasthelowestLCCoverthestudyperiod.TheLCCmethodisparticularlysuitablefordeterminingwhetherthehigherinitialcostofabuildingorbuildingsystemiseconomicallyjustifiedbyreductionsinfuturecosts(forexample,operating,maintenance,repair,orreplacementcosts)whencomparedwithanalternativethathasalowerinitialcostbuthigherfuturecosts.Ifabuildingdesignorsystemspecificationhasbothalowerinitialcostandlowerfuturecostsrelativetoanalternative,anLCCanalysisisnotneededtoshowthattheformeristheeconomicallypreferablechoice.Ifaninvestmentprojectisnotessentialtothebuildingoperation(forexample,replacementofexistingsingle-panewindowswithnewdouble-panewindows),theprojectmustbecomparedagainstthex201C;donothingx201D;alternative(thatis,keepingthesinglepanewindows)inordertodetermineifitiscosteffective.Typicallythex201C;donothingx201D;alternativeentailsnoinitialinvestmentcostbuthashigherfuturecoststhantheproposedproject.1.1Thispracticeestablishesaprocedureforevaluatingthelife-cyclecost(LCC)ofabuildingorbuildingsystemandcomparingtheLCCsofalternativebuildingdesignsorsystemsthatsatisfythesamefunctionalrequirements.1.2TheLCCmethodmeasures,inpresent-valueorannual-valueterms,thesumofallrelevantcostsassociatedwithowningandoperatingabuildingorbuildingsystemoveraspecifiedtimeperiod.1.3ThebasicpremiseoftheLCCmethodisthattoaninvestorordecisionmakerallcostsarisingfromaninvestmentdecisionarepotentiallyimportanttothatdecision,includingfutureaswellaspresentcosts.Appliedtobuildingsorbuildingsystems,theLCCencompassesallrelevantcostsoveradesignatedstudyperiod,includingthecostsofdesigning,purchasing/leasing,constructing/installing,operating,maintaining,repairing,replacing,anddisposingofaparticularbuildingdesignorsystem.
【中国标准分类号】:P02
【国际标准分类号】:91_010_20
【页数】:19P.;A4
【正文语种】:英语
