NF L52-120-1978 一般用途的铜芯电缆
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【英文标准名称】:Generalpurposeelectriccableswithcoppercore.
【原文标准名称】:一般用途的铜芯电缆
【标准号】:NFL52-120-1978
【标准状态】:现行
【国别】:法国
【发布日期】:1978-07-01
【实施或试行日期】:1978-07-01
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;质量(物质);航空运输;规范;飞行器部件;铜;电缆;铜制品;飞行器设备;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:29_060_20;49_060
【页数】:2P;A4
【正文语种】:其他
【原文标准名称】:一般用途的铜芯电缆
【标准号】:NFL52-120-1978
【标准状态】:现行
【国别】:法国
【发布日期】:1978-07-01
【实施或试行日期】:1978-07-01
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;质量(物质);航空运输;规范;飞行器部件;铜;电缆;铜制品;飞行器设备;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:29_060_20;49_060
【页数】:2P;A4
【正文语种】:其他
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforDevelopingAppropriateStatisticalApproachesforGround-WaterDetectionMonitoringPrograms
【原文标准名称】:地下水探测监测程序用开发适当的统计近似值的标准指南
【标准号】:ASTMD6312-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:探测监测;预测限制;废弃物处理设施;控制图;统计学;地下水
【英文主题词】:controlcharts;detectionmonitoring;groundwater;predictionlimits;statistics;wastedisposalfacilities
【摘要】:Theprincipaluseofthisguideisinground-waterdetectionmonitoringofhazardousandmunicipalsolidwastedisposalfacilities.ThereisconsiderablevariabilityinthewayinwhichexistingGuideUSEPAregulationandguidanceareinterpretedandpracticed.Often,muchofcurrentpracticeleadstostatisticaldecisionrulesthatleadtoexcessivefalsepositiveorfalsenegativerates,orboth.Thesignificanceofthisproposedguideisthatitjointlyminimizesfalsepositiveandfalsenegativeratesatnominallevelswithoutsacrificingoneerrorforanother(whilemaintainingacceptablestatisticalpowertodetectactualimpactstoground-waterquality(4)).Usingthisguide,anowner/operatororregulatoryagencyshouldbeabletodevelopastatisticaldetectionmonitoringprogramthatwillnotfalselydetectcontaminationwhenitisabsentandwillnotfailtodetectcontaminationwhenitispresent.1.1Thisguidecoversthecontextofground-watermonitoringatwastedisposalfacilities,regulationshaverequiredstatisticalmethodsasthebasisforinvestigatingpotentialenvironmentalimpactduetowastedisposalfacilityoperation.Owner/operatorsmustperformastatisticalanalysisonaquarterlyorsemiannualbasis.Astatisticaltestisperformedoneachofmanyconstituents(forexample,10to50ormore)foreachofmanywells(5to100ormore).Theresultispotentiallyhundreds,andinsomecases,athousandormorestatisticalcomparisonsperformedoneachmonitoringevent.Evenifthefalsepositiverateforasingletestissmall(forexample,1%),thepossibilityoffailingatleastonetestonanymonitoringeventisvirtuallyguaranteed.Thisassumesyouhavedonethecorrectstatisticinthefirstplace.1.2Thisguideisintendedtoassistregulatorsandindustryindevelopingstatisticallypowerfulgound-watermonitoringprogramsforwastedisposalfacilities.Thepurposeofthesemethodsistodetectapotentialgound-waterimpactfromthefacilityattheearliestpossibletimewhilesimultaneouslyminimizingtheprobabilityoffalselyconcludingthatthefacilityhasimpactedgroundwaterwhenithasnot.1.3Whenappliedinappropriatelyexistingregulationandguidanceonstatisticalapproachestoground-watermonitoringoftensufferfromalackofstatisticalclarityandoftenimplementmethodsthatwilleitherfailtodetectcontaminationwhenitispresent(afalsenegativeresult)orconcludethatthefacilityhasimpactedgoundwaterwhenithasnot(afalsepositive).Historicalapproachestothisproblemhaveoftensacrificedonetypeoferrortomaintaincontrolovertheother.Forexample,someregulatoryapproacheserronthesideofconservatism,keepingfalsenegativeratesnearzerowhilefaslepositiveratesapproach100%.1.4Thepurposeofthisguideistoillustrateastatisticalground-watermonitoringstrategythatminimizesbothfalsenegativeandfalsepositiverateswithoutsacrificingonefortheother.1.5Thisguideisapplicabletostatisticalaspectsofground-waterdetectionmonitoringforhazardousandmunicipalsolidwastedisposalfacilities.1.6Itisofcriticalimportancetorealizethatonthebasisofastatisticalanalysisalone,itcanneverbeconcludedthatawastedisposalfacilityhasimpactedgroundwater.Astatisticallysignificantexceedanceoverbackgroundlevelsindicatesthatthenewmeasurementinaparticularmonitoringwellforaparticularconstituentisinconsistentwithchanceexpectationsbasedontheavailablesampleofbackgroundmeasurements.1.7Similarly,statisticalmethodscanneverovercomelimitationsofagroundwatermonitoringnetworkthatmightariseduetopoorsitecharacterization,wellinstallationandlocation,sampling,oranalysis.1.8Itisnotedthatwhenjustified,intra-wellcomparisonsarege......
【中国标准分类号】:Z16
【国际标准分类号】:13_030_40
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:Surfacesforsportsareas-Determinationoftensilepropertiesofsyntheticsportsareas.
【原文标准名称】:运动场表面.合成材料运动场表面延伸性能测定
【标准号】:NFP90-131-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-07-01
【实施或试行日期】:2003-07-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_220_10
【页数】:11P;A4
【正文语种】:其他
【原文标准名称】:地下水探测监测程序用开发适当的统计近似值的标准指南
【标准号】:ASTMD6312-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:探测监测;预测限制;废弃物处理设施;控制图;统计学;地下水
【英文主题词】:controlcharts;detectionmonitoring;groundwater;predictionlimits;statistics;wastedisposalfacilities
【摘要】:Theprincipaluseofthisguideisinground-waterdetectionmonitoringofhazardousandmunicipalsolidwastedisposalfacilities.ThereisconsiderablevariabilityinthewayinwhichexistingGuideUSEPAregulationandguidanceareinterpretedandpracticed.Often,muchofcurrentpracticeleadstostatisticaldecisionrulesthatleadtoexcessivefalsepositiveorfalsenegativerates,orboth.Thesignificanceofthisproposedguideisthatitjointlyminimizesfalsepositiveandfalsenegativeratesatnominallevelswithoutsacrificingoneerrorforanother(whilemaintainingacceptablestatisticalpowertodetectactualimpactstoground-waterquality(4)).Usingthisguide,anowner/operatororregulatoryagencyshouldbeabletodevelopastatisticaldetectionmonitoringprogramthatwillnotfalselydetectcontaminationwhenitisabsentandwillnotfailtodetectcontaminationwhenitispresent.1.1Thisguidecoversthecontextofground-watermonitoringatwastedisposalfacilities,regulationshaverequiredstatisticalmethodsasthebasisforinvestigatingpotentialenvironmentalimpactduetowastedisposalfacilityoperation.Owner/operatorsmustperformastatisticalanalysisonaquarterlyorsemiannualbasis.Astatisticaltestisperformedoneachofmanyconstituents(forexample,10to50ormore)foreachofmanywells(5to100ormore).Theresultispotentiallyhundreds,andinsomecases,athousandormorestatisticalcomparisonsperformedoneachmonitoringevent.Evenifthefalsepositiverateforasingletestissmall(forexample,1%),thepossibilityoffailingatleastonetestonanymonitoringeventisvirtuallyguaranteed.Thisassumesyouhavedonethecorrectstatisticinthefirstplace.1.2Thisguideisintendedtoassistregulatorsandindustryindevelopingstatisticallypowerfulgound-watermonitoringprogramsforwastedisposalfacilities.Thepurposeofthesemethodsistodetectapotentialgound-waterimpactfromthefacilityattheearliestpossibletimewhilesimultaneouslyminimizingtheprobabilityoffalselyconcludingthatthefacilityhasimpactedgroundwaterwhenithasnot.1.3Whenappliedinappropriatelyexistingregulationandguidanceonstatisticalapproachestoground-watermonitoringoftensufferfromalackofstatisticalclarityandoftenimplementmethodsthatwilleitherfailtodetectcontaminationwhenitispresent(afalsenegativeresult)orconcludethatthefacilityhasimpactedgoundwaterwhenithasnot(afalsepositive).Historicalapproachestothisproblemhaveoftensacrificedonetypeoferrortomaintaincontrolovertheother.Forexample,someregulatoryapproacheserronthesideofconservatism,keepingfalsenegativeratesnearzerowhilefaslepositiveratesapproach100%.1.4Thepurposeofthisguideistoillustrateastatisticalground-watermonitoringstrategythatminimizesbothfalsenegativeandfalsepositiverateswithoutsacrificingonefortheother.1.5Thisguideisapplicabletostatisticalaspectsofground-waterdetectionmonitoringforhazardousandmunicipalsolidwastedisposalfacilities.1.6Itisofcriticalimportancetorealizethatonthebasisofastatisticalanalysisalone,itcanneverbeconcludedthatawastedisposalfacilityhasimpactedgroundwater.Astatisticallysignificantexceedanceoverbackgroundlevelsindicatesthatthenewmeasurementinaparticularmonitoringwellforaparticularconstituentisinconsistentwithchanceexpectationsbasedontheavailablesampleofbackgroundmeasurements.1.7Similarly,statisticalmethodscanneverovercomelimitationsofagroundwatermonitoringnetworkthatmightariseduetopoorsitecharacterization,wellinstallationandlocation,sampling,oranalysis.1.8Itisnotedthatwhenjustified,intra-wellcomparisonsarege......
【中国标准分类号】:Z16
【国际标准分类号】:13_030_40
【页数】:14P.;A4
【正文语种】:
【英文标准名称】:Surfacesforsportsareas-Determinationoftensilepropertiesofsyntheticsportsareas.
【原文标准名称】:运动场表面.合成材料运动场表面延伸性能测定
【标准号】:NFP90-131-2003
【标准状态】:现行
【国别】:法国
【发布日期】:2003-07-01
【实施或试行日期】:2003-07-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_220_10
【页数】:11P;A4
【正文语种】:其他
