【英文标准名称】:Manualmetalarcwelding.Coveredelectrodesforcastiron.Symbolization.
【原文标准名称】:手工电弧焊接.铸铁用药皮焊条的符号和规范
【标准号】:NFA81-342-1987
【标准状态】:作废
【国别】:法国
【发布日期】:1987-12-01
【实施或试行日期】:1987-12-05
【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】:手工金属极电弧焊;金属弧焊;人力驱动装置;铸铁;涂剂焊条;电焊条;符号;电焊;化学成份
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:6P;A4
【正文语种】:其他


【英文标准名称】:PracticeforApplyingStatisticalQualityAssuranceTechniquestoEvaluateAnalyticalMeasurementSystemPerformance
【原文标准名称】:分析测量系统性能评估用应用统计质量保证技术的实施规程
【标准号】:ANSI/ASTMD6299-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-11-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析方法;分析的;测量;性能;质量;质量保证;质量管理;统计的;统计方法分析;统计质量控制;统计学
【英文主题词】:Analysismethods;Analytical;Measurement;Performance;Quality;Qualityassurance;Qualitymanagement;Statistical;Statisticalmethodsofanalysis;Statisticalqualitycontrol;Statistics
【摘要】:Thispracticecoversinformationforthedesignandoperationofaprogramtomonitorandcontrolongoingstabilityandprecisionandbiasperformanceofselectedanalyticalmeasurementsystemsusingacollectionofgenerallyacceptedstatisticalqualitycontrol(SQC)proceduresandtools.Note1-Acompletelistofcriteriaforselectingmeasurementsystemstowhichthispracticeshouldbeappliedandfordeterminingthefrequencyatwhichitshouldbeappliedisbeyondthescopeofthispractice.However,somefactorstobeconsideredinclude(1)frequencyofuseoftheanalyticalmeasurementsystem,(2)criticalityoftheparameterbeingmeasured,(3)systemstabilityandprecisionperformancebasedonhistoricaldata,(4)businesseconomics,and(5)regulatory,contractual,ortestmethodrequirements.Thispracticeisapplicabletostableanalyticalmeasurementsystemsthatproduceresultsonacontinuousnumericalscale.Thispracticeisapplicabletolaboratorytestmethods.Thispracticeisapplicabletovalidatedprocessstreamanalyzers.ThispracticeisapplicabletomonitoringthedifferencesbetweentwoanalyticalmeasurementsystemsthatpurporttomeasurethesamepropertyprovidedthatbothsystemshavebeenassessedinaccordancewiththestatisticalmethodologyinPracticeD6708andtheappropriatebiasapplied.Note2-Forvalidationofunivariateprocessstreamanalyzers,seealsoPracticeD3764.Note3-Oneorbothoftheanalyticalsystemsincanbelaboratorytestmethodsorvalidatedprocessstreamanalyzers.Thispracticeassumesthatthenormal(Gaussian)modelisadequateforthedescriptionandpredictionofmeasurementsystembehaviorwhenitisinastateofstatisticalcontrol.Note4-Fornon-Gaussianprocesses,transformationsoftestresultsmaypermitproperapplicationofthesetools.Consultastatisticianforfurtherguidanceandinformation.
【中国标准分类号】:A00
【国际标准分类号】:03_120_30
【页数】:
【正文语种】:英语