【英文标准名称】:StandardGuideforApplicationofBasicStatisticalMethodstoWeatheringTests
【原文标准名称】:自然老化试验基本统计方法应用的标准指南
【标准号】:ASTMG169-2001(2008)e1
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:G03.93
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:experimentaldesign;statistics;weathering;Application;Statisticalmethods;Weathering
【摘要】:Thecorrectuseofstatisticsaspartofaweatheringprogramcangreatlyincreasetheusefulnessofresults.Abasicunderstandingofstatisticsisrequiredforthestudyofweatheringperformancedata.Properexperimentaldesignandstatisticalanalysisstronglyenhancesdecision-makingability.Inweathering,therearemanyuncertaintiesbroughtaboutbyexposurevariability,methodprecisionandbias,measurementerror,andmaterialvariability.Statisticalanalysisisusedtohelpdecidewhichproductsarebetter,whichtestmethodsaremostappropriatetogaugeenduseperformance,andhowreliabletheresultsare.Resultsfromweatheringexposurescanshowdifferencesbetweenproductsorbetweenrepeatedtesting.Theseresultsmayshowdifferenceswhicharenotstatisticallysignificant.Thecorrectuseofstatisticsonweatheringdatacanincreasetheprobabilitythatvalidconclusionsarederived.1.1Thisguidecoverselementarystatisticalmethodsfortheanalysisofdatacommontoweatheringexperiments.Themethodsarefordecisionmaking,inwhichtheexperimentsaredesignedtotestahypothesisonasingleresponsevariable.Themethodsworkforeithernaturalorlaboratoryweathering.1.2Onlybasicstatisticalmethodsarepresented.Therearemanyadditionalmethodswhichmayormaynotbeapplicabletoweatheringteststhatarenotcoveredinthisguide.1.3Thisguideisnotintendedtobeamanualonstatistics,andthereforesomegeneralknowledgeofbasicandintermediatestatisticsisnecessary.Thetextbooksreferencedattheendofthisguideareusefulforbasictraining.1.4Thisguidedoesnotprovidearigoroustreatmentofthematerial.Itisintendedtobeareferencetoolfortheapplicationofpracticalstatisticalmethodstoreal-worldproblemsthatariseinthefieldofdurabilityandweathering.Thefocusisontheinterpretationofresults.Manybookshavebeenwrittenonintroductorystatisticalconceptsandstatisticalformulasandtables.Thereaderisreferredtotheseformoredetailedinformation.Examplesofthevariousmethodsareincluded.Theexamplesshowtypicalweatheringdataforillustrativepurposes,andarenotintendedtoberepresentativeofspecificmaterialsorexposures.^REFERENCE:ASTMStandards:E41TerminologyRelatingToConditioningG113TerminologyRelatingtoNaturalandArtificialWeatheringTestsofNonmetallicMaterialsG141GuideforAddressingVariabilityinExposureTestingofNonmetallicMaterialsISODocuments:ISO3534/1VocabularyandSymbolsx2013;Part1:ProbabilityandGeneralStatisticalTermsISO3534/3VocabularyandSymbolsx2013;Part3:DesignofExperiments^KEYWORDS:experimentaldesign;statistics;weathering^INDEXTERMS:Application;Statisticalmethods;Weathering^STATUS:DnCnSnNnMn^APPROVAL:20080601^PAGES:11^COMMITTEE:G03^SUBCOMMITTEE:9300^BOS:14.04^ORGINFO:none^ACTION:REAPPR_EDITS^MISCPUB:^PDESIG:G0169^PYEAR:2001R2008E01^CLASS:Guide
【中国标准分类号】:A41
【国际标准分类号】:19_040
【页数】:11P.;A4
【正文语种】:英语

标准名称：	电气化铁路接触网零部件 第16部分：软横跨支撑固定装置
替代情况：	替代TB/T 2075.11-2002;TB/T 2075.44-2002
发布部门：	中华人民共和国铁道部
发布日期：	2010-06-09
实施日期：	2010-12-01
首发日期：
作废日期：
出版社：	中国铁道出版社
出版日期：	2010-12-01

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