DIN VDE 0298 T.300-1991 电力设备电缆及绝缘线路的使用.协调一致的电缆使用指南

上一篇: DIN VDE 0278 T.6-1991 额定电压U小于30KV电力电缆的配件.插接的或旋入的.封闭电缆连接U./V0.6/1Kv以上
下一篇: DIN VDE 0530 T.1-1991 旋转电机.设计参数和运行性能

【英文标准名称】:Pedologicsiteassessment-Designation,classificationanddeductionofsoilparameters(normativeandnominalscaling)
【原文标准名称】:土壤学现场评估.土壤参数的标识、分级和推导(标准的和标称的换算)
【标准号】:DIN4220-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:土壤特性;特性记述;特性;分类;土壤组分;排放物;评估;应用;土地利用;场所;作标记;性能;评定;记录;换算;现场测量;土壤学;土壤普查;土壤;水常规
【英文主题词】:Characterofsoil;Characterisations;Characteristics;Classification;Compositionoftheground;Discharges;Evaluations;Exploitation;Landuse;Locations;Marking;Properties;Ratings;Recordings;Scaling;Sitesurveys;Soilcharacteristic;Soilscience;Soilsurveys;Soils;Waterpractice
【摘要】:
【中国标准分类号】:B10
【国际标准分类号】:13_080_01
【页数】:50P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforLife-CycleCostAnalysisofPlasticPipeUsedforCulverts,StormSewers,andOtherBuriedConduits
【原文标准名称】:涵管,雨水管和其他埋设导管用塑料管的使用寿命成本分析标准实施规程
【标准号】:ASTMF1675-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F17.62
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:costanalysis;discountrate;drainagesystem;engineeringeconomics;leastcost;life-cyclecost;materialservicelife;presentvalueanalysis;projectdesignlife;Reinforcedthermosetting-resinpipe(RTRP);Stormsewer/drainagepipe;Terminalvalue;T
【摘要】:LCCanalysisisaneconomicmethodtoevaluatealternativesthatarecharacterizedbydifferingcashflowsoverthedesignatedprojectdesignlife.ThemethodentailscalculatingtheLCCofeachalternativecapableofsatisfyingthefunctionalrequirementsoftheprojectandcomparingthemtodeterminewhichhavethelowestestimatedLCCovertheprojectdesignlife.TheLCCmethodisparticularlysuitablefordeterminingwhetherthehigherinitialcostofanalternativeiseconomicallyjustifiedbyreductionsinfuturecosts(forexample,operatingmaintenance,rehabilitation,orreplacement)whencomparedtoanalternativewithlowerinitialcostsbuthigherfuturecosts.Ifadesignalternativehasbothalowerinitialcostandlowerfuturecoststhanotheralternatives,anLCCanalysisisnotnecessarytoshowtheformeristheeconomicallypreferablechoice.1.1Thispracticeestablishesaprocedureforusinglifecyclecost(LCC)analysistechniquestoevaluatealternativedrainagesystemdesigns,usingplasticpipethatsatisfythesamefunctionalrequirements.1.2TheLCCtechniquemeasuresthepresentvalueofallrelevantcoststoinstall,operate,andmaintainalternativedrainagesystemssuchasengineering,construction,maintenance,rehabilitation,orreplacementoveraspecifiedperiodoftime.Thepracticealsoaccommodatesanyremainingresidualorsalvagevalue.1.3Thedecisionmaker,usingtheresultsoftheLCCanalysis,canthenidentifythealternative(s)withthelowestestimatedtotalcostbasedonthepresentvalueofallcosts.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81
【国际标准分类号】:23_040_20
【页数】:5P.;A4
【正文语种】:英语