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NF E85-050-1-1993 梯子.术语、型号和功能尺寸

作者:标准资料网 时间:2024-05-17 04:36:57  浏览:8965   来源:标准资料网
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【英文标准名称】:Ladders.Terms,types,functionalsizes.
【原文标准名称】:梯子.术语、型号和功能尺寸
【标准号】:NFE85-050-1-1993
【标准状态】:作废
【国别】:法国
【发布日期】:1993-06-01
【实施或试行日期】:1993-06-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:P96
【国际标准分类号】:01_040_97;97_145
【页数】:18P;A4
【正文语种】:其他


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【英文标准名称】:PracticeforValidationofMultivariateProcessInfraredSpectrophotometers
【原文标准名称】:多变量过程红外分光光度计确认惯例
【标准号】:ANSI/ASTMD6122-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:2006-07-18
【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】:分光光度计;证实
【英文主题词】:Controlcharts;Optics;Processinstruments;Spectrophotometers;Validation
【摘要】:Thispracticecoversrequirementsforthevalidationofmeasurementsmadebyonline,processnear-ormid-infraredanalyzers,orboth,usedinthecalculationofphysical,chemical,orqualityparameters(thatis,properties)ofliquidpetroleumproducts.Thepropertiesarecalculatedfromspectroscopicdatausingmultivariatemodelingmethods.Therequirementsincludeverificationofadequateinstrumentperformance,verificationoftheapplicabilityofthecalibrationmodeltothespectrumofthesampleundertest,andverificationofequivalencebetweentheresultcalculatedfromtheinfraredmeasurementsandtheresultproducedbytheprimarytestmethodusedforthedevelopmentofthecalibrationmodel.Whenthereisadequatevariationinpropertylevel,thestatisticalmethodologyofPracticeD6708isusedtoprovidegeneralvalidationofthisequivalenceoverthecompleteoperatingrangeoftheanalyzer.Forcaseswherethereisinadequatepropertyvariation,methodologyforlevelspecificvalidationisused.PerformanceValidationisconductedbycalculatingtheprecisionandbiasofthedifferencesbetweenresultsfromtheanalyzersystem(orsubsystem)producedbyapplicationofthemultivariatemodel,(suchresultsarehereinreferredtoasPredictedPrimaryTestMethodResults(PPTMRs)),versusthePrimaryTestMethodResults(PTMRs)forthesamesampleset.Resultsusedinthecalculationareforsamplesthatarenotusedinthedevelopmentofthemultivariatemodel.Thecalculatedprecisionandbiasarestatisticallycomparedtouser-specifiedrequirementsfortheanalyzersystemapplication.Foranalyzersusedinproductreleaseorproductqualitycertificationapplications,theprecisionandbiasrequirementforthedegreeofagreementaretypicallybasedonthesiteorpublishedprecisionofthePrimaryTestMethod.Note1Inmostapplicationsofthistype,thePTMisthespecification-citedtestmethod.Thispracticedoesnotdoesnotdescribeproceduresforestablishingprecisionandbiasrequirementsforanalyzersystemapplications.Suchrequirementsmustbebasedonthecriticalityoftheresultstotheintendedbusinessapplicationandoncontractualandregulatoryrequirements.Theusermustestablishprecisionandbiasrequirementspriortoinitiatingthevalidationproceduresdescribedherein.Thispracticedoesnotcoverproceduresforestablishingthecalibrationmodel(correlation)usedbytheanalyzer.CalibrationproceduresarecoveredinPracticesE1655andreferencestherein.Thispracticeisintendedasareviewforexperiencedpersons.Fornovices,thispracticewillserveasanoverviewoftechniquesusedtoverifyinstrumentperformance,toverifymodelapplicabilitytothespectrumofthesampleundertest,andtoverifyequivalencebetweentheparameterscalculatedfromtheinfraredmeasurementandtheresultsoftheprimarytestmethodmeasurement.Thispracticeteachesandrecommendsappropriatestatisticaltools,outlierdetectionmethods,fordeterminingwhetherthespectrumofthesampleundertestisamemberofthepopulationofspectrausedfortheanalyzercalibration.Thestatisticaltoolsareusedtodetermineiftheinfraredmeasurementresultsinavalidpropertyorparameterestimate.Theoutlierdetectionmethodsdonotdefinecriteriatodeterminewhetherthesampleortheinstrumentisthecauseofanoutliermeasurement.Thus,theoperatorwhoismeasuringsamplesonaroutinebasiswillfindcriteriatodeterminethataspectralmeasurementliesoutsidethecalibration,butwillnothavespecificinformationonthecauseoftheoutlier.Thispracticedoessuggestmethodsbywhichinstrumentperformancetestscanbeusedtoindicateiftheoutliermethodsarerespondingtochangesintheinstrumentresponse.
【中国标准分类号】:N50
【国际标准分类号】:17_180_30
【页数】:
【正文语种】:英语


【英文标准名称】:TerminologyRelatingtoSolidRocketPropulsion
【原文标准名称】:固态火箭推进剂方面的术语
【标准号】:ASTMD2506-1980
【标准状态】:现行
【国别】:美国
【发布日期】:1980
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;航天技术;推进剂;航空航天运输;火箭发动机;术语;航空运输
【英文主题词】:airtransport;spacetechnology;terminology;rocketengines;aerospacetransport;definitions;propellants
【摘要】:
【中国标准分类号】:V15
【国际标准分类号】:75_160_20
【页数】:4P;A4
【正文语种】:英语



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