您的位置: 标准下载 » 国际标准 » NF 法国标准 »

NF S72-423-2003 防护服.旱冰运动设备使用者用腕部、掌部、膝部和肘部防护器.要求和试验方法

时间:2024-05-19 02:57:33 来源: 标准资料网 作者:标准资料网 阅读:9121
下载地址: 点击此处下载
【英文标准名称】:Protectiveclothing-Wrist,palm,kneeandelbowprotectorsforusersofrollersportsequipment-Requirementsandtestmethods.
【原文标准名称】:防护服.旱冰运动设备使用者用腕部、掌部、膝部和肘部防护器.要求和试验方法
【标准号】:NFS72-423-2003
【标准状态】:作废
【国别】:法国
【发布日期】:2003-08-01
【实施或试行日期】:2003-08-05
【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】:防护服装;设计;机械性能;事故预防;防护手套;体育器材;人类工效学;单排轮滑板;护垫(工作服);防护设备;手臂防护;腕关节防护套;定义;规范(验收);护腿;护手;运动衣;肘;膝垫;器械运动器材;人体测量特征;尺寸;滑板
【英文主题词】:
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_40;13_340_50
【页数】:21P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticeforValidationofthePerformanceofMultivariateOnline,At-Line,andLaboratoryInfraredSpectrophotometerBasedAnalyzerSystems
【原文标准名称】:多变量联机和实验室基于红外分光光度计的分析仪系统的性能确认的标准实施规程
【标准号】:ASTMD6122-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.25
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:controlchart;infraredanalyzer;infraredspectrophotometers;IRspectroscopy;multivariateprocess;NIRspectroscopy;statisticalqualityassurance;validation;Controlcharttechnique;Infraredspectrophotometry;IRspectroscopy;Multivariateanalyses;
【摘要】:Theprimarypurposeofthispracticeistopermittheusertovalidatenumericalvaluesproducedbyamultivariate,infraredornear-infraredlaboratoryorprocess(onlineorat-line)analyzercalibratedtomeasureaspecificchemicalconcentration,chemicalproperty,orphysicalproperty.Thevalidatedanalyzerresultsareexpectedtobeequivalent,overdiversesampleswhosespectraareneitheroutliersornearestneighborinliers,tothoseproducedbytheprimarytestmethodtowithincontrollimitsestablishedbycontrolchartsfortheprespecifiedstatisticalconfidencelevel.Proceduresaredescribedforverifyingthattheinstrument,themodel,andtheanalyzersystemarestableandproperlyoperating.Amultivariateanalyzersysteminherentlyutilizesamultivariatecalibrationmodel.Inpracticethemodelbothimplicitlyandexplicitlyspanssomesubsetofthepopulationofallpossiblesamplesthatcouldbeinthecompletemultivariatesamplespace.Themodelisapplicableonlytosamplesthatfallwithinthesubsetpopulationusedinthemodelconstruction.Asamplemeasurementcannotbevalidatedunlessapplicabilityisestablished.Applicabilitycannotbeassumed.Outlierdetectionmethodsareusedtodemonstrateapplicabilityofthecalibrationmodelfortheanalysisoftheprocesssamplespectrum.Theoutlierdetectionlimitsarebasedonhistoricalaswellastheoreticalcriteria.Theoutlierdetectionmethodsareusedtoestablishwhethertheresultsobtainedbyananalyzerarepotentiallyvalid.Thevalidationproceduresarebasedonmathematicaltestcriteriathatindicatewhethertheprocesssamplespectrumiswithintherangespannedbytheanalyzersystemcalibrationmodel.Ifthesamplespectrumisanoutlier,theanalyzerresultisinvalid.Ifthesamplespectrumisnotanoutlier,thentheanalyzerresultisvalidprovidingthatallotherrequirementsforvalidityaremet.Additional,optionaltestsmaybeperformedtodetermineiftheprocesssamplespectrumfallsinasparselypopulatedregionofthemultivariatespacecoveredbythecalibrationset,toofarfromneighboringcalibrationspectratoensuregoodinterpolation.Forexample,suchnearestneighbortestsarerecommendedifthecalibrationsamplespectraarehighlyclustered.Thispracticedoesnotdefinemathematicalcriteriatodeterminefromaspectroscopicmeasurementofasamplewhetherthesample,themodel,ortheinstrumentisthecauseofanoutliermeasurement.Thustheoperatorwhoismeasuringsamplesonaroutinebasiswillfindcriteriaintheoutlierdetectionmethodtodeterminewhetherasamplemeasurementlieswithintheexpectedcalibrationspace,butwillnothavespecificinformationastothecauseoftheoutlierwithoutadditionaltesting.1.1Thispracticecoversrequirementsforthevalidationofmeasurementsmadebylaboratoryorprocess(onlineorat-line)near-ormid-infraredanalyzers,orboth,usedinthecalculationofphysical,chemical,orqualityparameters(thatis,properties)ofliquidpetroleumproducts.Thepropertiesarecalculatedfromspectroscopicdatausingmultivariatemodelingmethods.Therequirementsincludeverificationofadequateinstrumentperformance,verificationoftheapplicabilityofthecalibrationmodeltothespectrumofthesampleundertest,andverificationofequivalencebetweentheresultcalculatedfromtheinfraredmeasurementsandtheresultproducedbytheprimarytestmethodusedforthedevelopmentofthecalibrationmodel.Whenthereisadequatevariationinpropertylevel,thestatisticalmethodologyofPracticeD6708isusedtoprovidegeneralvalidationofthisequivalenceoverthecompleteoperatingrangeoftheanalyzer.Forcaseswherethereisinadequatepropertyvariation,methodologyfor......
【中国标准分类号】:N33
【国际标准分类号】:17_180_30
【页数】:30P.;A4
【正文语种】:英语


【英文标准名称】:Samplingproceduresforinspectionbyattributes-Credit-basedaccept-zerosamplingschemesforthecontrolofoutgoingqualityforlot-by-lotinspection
【原文标准名称】:计数检验的取样程序.分批检验时出厂质量的控制的基于信任产品零抽样验收方案
【标准号】:BS6001-7-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:质量保证;统计质量控制;验收(鉴定);无损检验;质量控制;批量检验;统计方法分析;计数检查;验收检验;抽样方法;合格
【英文主题词】:
【摘要】:ThisBritishStandardspecifiesanacceptancesamplingsystemforlot-by-lotinspectionbyattributes.Allsamplingplansofthesystemarefornonconformingitemsandareoftheaccept-zeroform,i.e.nolotisacceptedifthesamplefromitcontainsoneormorenonconformingitems.ThisBritishStandardisonlyapplicablewheninspectionisnon-destructive.Theobjectiveofthisstandardistoprovideaccept-zeroschemesandproceduresforensuring,bymeansofthelowestpracticablesamplesizes,anupperlimittothelong-termpercentageofnonconformingitemsdeliveredtothemarket-place,i.e.asuitablydefinedaverageoutgoingqualitylimit(AOQL).Thisobjectiveisachievedbyaprogressivereductionofthesamplesizeinresponsetogoodqualityhistory,reversiontoarelativelylargesamplesizewheneveranonconformingitemisfound,and100%inspectionof:a)thefirstlotifitisnon-accepted;orb)anynon-acceptedlotthatimmediatelyfollowsanon-acceptedlot,withacceptanceofanyconformingitemsfoundinthoselots.NOTETheAOQLprotectionisonlyguaranteediftheclassificationofthesampleditemsasconformingornonconformingiserror-free.NorestrictionsareplacedonthechoiceofAOQL,oronthesizesofsuccessivelotsintheseries.ThisBritishStandardisdesignedforuseunderconditionswhere:a)itemsareofasimilartypeandvalue,allsuppliedbythesamesupplier;NOTEWheresuppliersdiffer,thisstandardshouldbeappliedtothelotsfromeachsupplierseparately.b)thecosttothesupplierforinspectionincreaseswiththenumberofitemsinspectedandthecostofinspectionofeachitem;c)itispossibletoaccuratelydeterminewhetherornotthesampleditemsconformtospecifications.
【中国标准分类号】:A00
【国际标准分类号】:03_120_30
【页数】:14P;A4
【正文语种】:英语