【英文标准名称】:Sodiumsulphateforindustrialuse.Determinationofacid-insolublematter.
【原文标准名称】:工业用硫酸钠.酸不溶解的物质的测定
【标准号】:NFT20-452-1976
【标准状态】:作废
【国别】:法国
【发布日期】:1976-01-01
【实施或试行日期】:1976-01-16
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;测定;非溶物质测定;硫酸盐;化学分析和试验;非溶物质;钠无机化合物;盐酸;酸;化学分析;甲基橙;硫酸钠;试验
【英文主题词】:Acidconditions;Acid-insoluble;Chemicalanalysisandtesting;Chemicals;Components;Determinationofcontent;Sodium
【摘要】:
【中国标准分类号】:G12
【国际标准分类号】:71_060_50
【页数】:3P.;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforHighwayTrafficMonitoringTruth-in-Data
【原文标准名称】:公路交通监控真实数据标准实施规程
【标准号】:ASTME2759-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:E17.52
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:basedataintegrity;trafficmonitoring;truth-in-data
【摘要】:Therearegeneralreferencestotheprincipleoftruth-in-dataasfoundinGuideE2259andPracticeE2667.Whilethesereferencesarehelpful,withoutclarificationdifferencesoccurwithinagenciesovertimeaswellasamongagenciesinhowtruth-in-dataisimplemented.Intheabsenceofastandardpracticefortruth-in-data,documentationinsomegovernmentalagenciesisneithercomprehensivenorconsistent.Forsomeorganizations,truth-in-dataisanexceptiontocommonpracticeandoccursonlyinresponsetoaspecificrequesttounderstandaspecifictrafficdatasetorsummarystatisticfromatrafficdataset.Thispracticeprovidesconsistentapproachtotruth-in-dataimplementation.TrafficMonitoringStages8212;Trafficmonitoringtruth-in-datadescribeshowbasedataaretreatedateachtrafficmonitoringstagefromfielddatacollectionthroughevaluation,acceptance,summarizationandreporting.Benefits8212;Truthindataprovidesameansofaddressingifandhowmissingorquestionabledataaremodifiedaspartofdataacceptanceanduse.Thebenefitarisesfromunderstandingwhatdataassumptionsoradjustmentfactors,ifany,wereappliedtoreportedtrafficsummarystatistics.Ifanadjustmentfactororfactorswereapplied,consistentwithtruth-in-datathesourceandadjustmentfactorsourcecharacteristicsaredisclosed.Withthistypeofinformation,thedatauserisinabetterpositiontounderstandthedatasetandsummarystatistics,askquestions,andappropriatelyapplythedata.Truth-in-dataensuresthattrafficdatacanbecorrectlyinterpretedandappropriatelyusedtoimprovehighwayoperationssafetyandefficiency.Exceptions8212;Trafficmonitoringtruth-in-datadoesnotaddresssubsequentuseofthedataandsummarystatisticsasinlongitudinalstudies.Trafficmonitoringtruth-in-dataestablishesthebasisforappropriatecurrentandlonger-termuseofbasedataandsummarystatistics.Criticaluseoftrafficmonitoringdatasuchasinsafetyanalysisdependsonthedataclarityandintegrityidentifiedbyimplementingtruth-in-data.Trafficmonitoringtruth-in-datadoesnotaddressdatastorage.Trafficmonitoringtruth-in-datadescribestheconditionsleadingtoacceptanceofdataforstorageandthereportingofdataretrievedfromstorage.Themetadatastructureforarchiveddatamanagementsystems(ADMS)recommendedfortrafficmonitoringdataispresentedinPracticeE2665.AnADMSistheinformationmanagementsystemusedtostoretrafficdatawithintegrityovertime.1.1Trafficmonitoringtruth-in-dataisthedisclosureofhowdataaremanagedfromfielddatacollectionthroughevaluation,acceptance,summarizationandreporting.Throughthisdisclosure,truth-in-datapermitstrafficmonitoringsummarystatisticstoberecalculatedfromthebasedata.1.1.1Truth-in-datacanbeappliedinalltrafficmonitoringprogramsatalllevelsofinvestmentanddevelopment.Temporarymanualfieldactivitiesandpermanentdatagatheringinstallationsshareacommoninterestinandneedfortheabilitytocheckandconfirmreportedtrafficstatistics.Thisistheirreducibleminimumforbothsharingtrafficdataovertimewithinanagency,andatapointoftimeandovertimeamongagencies.1.1.2Truth-in-dataalsopermitsalternativeassessmentofthebasedata.Theabilitytorecalculatetrafficstatisticsfrombasedataprovidestheopportunitytousedifferentassumptionso......
【中国标准分类号】:R85
【国际标准分类号】:03_220_20
【页数】:5P.;A4
【正文语种】:英语