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【英文标准名称】:Determinationofthecharacteristiclimits(decisionthreshold,detectionlimitandlimitsoftheconfidenceinterval)formeasurementsofionizingradiation-Fundamentalsandapplication
【原文标准名称】:致电离辐射测量用特性限值(判断阈、探测限值和置信区间限值)的测定.基本原则和应用
【标准号】:ISO11929-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:放射性浓度;基础;置信区间;计数;定义;检测;检测极限;测定能力;解释;致电离辐射;测量;测量技术;计量学;核能;核辐射;核技术;辐射测量;放射能;放射性核素;额定值;试样;试样制备;波谱;光谱测定法;统计方法分析;验证
【英文主题词】:Activityconcentration;Basis;Confidenceintervals;Counting;Definitions;Detection;Detectionlimit;Detectionlimits;Determinationcapability;Interpretations;Ionizingradiation;Measurement;Measuringtechniques;Metrology;Nuclearenergy;Nuclearradiation;Nucleartechnology;Radiationmeasurement;Radioactivity;Radionuclides;Ratings;Samples;Specimenpreparation;Spectra;Spectrometry;Statisticalmethodsofanalysis;Verification
【摘要】:ThisInternationalStandardspecifiesaprocedure,inthefieldofionizingradiationmetrology,forthecalculationofthe“decisionthreshold”,the“detectionlimit”andthe“limitsoftheconfidenceinterval”foranonnegativeionizingradiationmeasurand,whencountingmeasurementswithpreselectionoftimeorcountsarecarriedout,andthemeasurandresultsfromagrosscountrateandabackgroundcountrateaswellasfromfurtherquantitiesonthebasisofamodeloftheevaluation.Inparticular,themeasurandcanbethenetcountrateasthedifferenceofthegrosscountrateandthebackgroundcountrate,orthenetactivityofasample.Itcanalsobeinfluencedbycalibrationofthemeasuringsystem,bysampletreatmentandbyotherfactors.
【中国标准分类号】:A58
【国际标准分类号】:17_240
【页数】:68P.;A4
【正文语种】:英语