ASTM E1970-2006 热分析数据的统计处理的标准操作规程
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【英文标准名称】:StandardPracticeforStatisticalTreatmentofThermoanalyticalData
【原文标准名称】:热分析数据的统计处理的标准操作规程
【标准号】:ASTME1970-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E37.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析;均值;精密度;质量;斜度;标准差;统计学;热分析
【英文主题词】:intercept;mean;precision;relativestandarddeviation;slope;standarddeviation
【摘要】:Thestandarddeviation,oroneofitsderivatives,suchasrelativestandarddeviationorpooledstandarddeviation,derivedfromthispractice,providesanestimateofprecisioninameasuredvalue.Suchresultsareordinarilyexpressedasthemeanvaluex00B1;thestandarddeviation,thatis,Xx00B1;s.Ifthemeasuredvaluesare,inthestatisticalsense,x201C;normallyx201D;distributedabouttheirmean,thenthemeaningofthestandarddeviationisthatthereisa67%chance,thatis2in3,thatagivenvaluewillliewithintherangeofx00B1;onestandarddeviationofthemeanvalue.Similarly,thereisa95%chance,thatis19in20,thatagivenvaluewillliewithintherangeofx00B1;twostandarddeviationsofthemean.Thetwostandarddeviationrangeissometimesusedasatestforoutlyingmeasurements.Thecalculationofprecisionintheslopeandinterceptofaline,derivedfromexperimentaldata,commonlyisrequiredinthedeterminationofkineticparameters,vaporpressureorenthalpyofvaporization.Thispracticedescribeshowtoobtaintheseandotherstatisticallyderivedvaluesassociatedwithmeasurementsbythermalanalysis.1.1Thispracticedetailsthestatisticaldatatreatmentusedinsomethermalanalysismethods.1.2Themethoddescribesthecommonlyencounteredstatisticaltoolsofthemean,standardderivation,relativestandarddeviation,pooledstandarddeviation,pooledrelativestandarddeviationandthebestfittoastraightline,allcalculationsencounteredinthermalanalysismethods.1.3Somethermalanalysismethodsderivetheanalyticalvaluefromtheslopeorinterceptofabestfitstraightlineassignedtothreeormoresetsofdatapairs.Suchmethodsmayrequireanestimationoftheprecisioninthedeterminedslopeorintercept.Thedeterminationofthisprecisionisnotacommonstatisticaltool.Thispracticedetailstheprocessforobtainingsuchinformationaboutprecision.1.4SIunitsarethestandard.1.5TherearenoISOmethodsequivalenttothispractice.
【中国标准分类号】:A54
【国际标准分类号】:03_120_30;17_200_10
【页数】:4P.;A4
【正文语种】:
【原文标准名称】:热分析数据的统计处理的标准操作规程
【标准号】:ASTME1970-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E37.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:分析;均值;精密度;质量;斜度;标准差;统计学;热分析
【英文主题词】:intercept;mean;precision;relativestandarddeviation;slope;standarddeviation
【摘要】:Thestandarddeviation,oroneofitsderivatives,suchasrelativestandarddeviationorpooledstandarddeviation,derivedfromthispractice,providesanestimateofprecisioninameasuredvalue.Suchresultsareordinarilyexpressedasthemeanvaluex00B1;thestandarddeviation,thatis,Xx00B1;s.Ifthemeasuredvaluesare,inthestatisticalsense,x201C;normallyx201D;distributedabouttheirmean,thenthemeaningofthestandarddeviationisthatthereisa67%chance,thatis2in3,thatagivenvaluewillliewithintherangeofx00B1;onestandarddeviationofthemeanvalue.Similarly,thereisa95%chance,thatis19in20,thatagivenvaluewillliewithintherangeofx00B1;twostandarddeviationsofthemean.Thetwostandarddeviationrangeissometimesusedasatestforoutlyingmeasurements.Thecalculationofprecisionintheslopeandinterceptofaline,derivedfromexperimentaldata,commonlyisrequiredinthedeterminationofkineticparameters,vaporpressureorenthalpyofvaporization.Thispracticedescribeshowtoobtaintheseandotherstatisticallyderivedvaluesassociatedwithmeasurementsbythermalanalysis.1.1Thispracticedetailsthestatisticaldatatreatmentusedinsomethermalanalysismethods.1.2Themethoddescribesthecommonlyencounteredstatisticaltoolsofthemean,standardderivation,relativestandarddeviation,pooledstandarddeviation,pooledrelativestandarddeviationandthebestfittoastraightline,allcalculationsencounteredinthermalanalysismethods.1.3Somethermalanalysismethodsderivetheanalyticalvaluefromtheslopeorinterceptofabestfitstraightlineassignedtothreeormoresetsofdatapairs.Suchmethodsmayrequireanestimationoftheprecisioninthedeterminedslopeorintercept.Thedeterminationofthisprecisionisnotacommonstatisticaltool.Thispracticedetailstheprocessforobtainingsuchinformationaboutprecision.1.4SIunitsarethestandard.1.5TherearenoISOmethodsequivalenttothispractice.
【中国标准分类号】:A54
【国际标准分类号】:03_120_30;17_200_10
【页数】:4P.;A4
【正文语种】:
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