您的位置: 标准下载 » 国内标准 » 行业标准 »

HB 998-1989 带支座的卡板端头制造典型图

时间:2024-05-23 15:40:10 来源: 标准资料网 作者:标准资料网 阅读:9690
下载地址: 点击此处下载
基本信息
标准名称:带支座的卡板端头制造典型图
中标分类: 航空、航天 >> 航空器与航天器制造用设备 >> 夹具
替代情况:HB 998-74
发布日期:1989-05-13
实施日期:1989-12-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:4页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 航空 航天 航空器与航天器制造用设备 夹具
【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】:Fluidsystems.Interfaceofmetriccouplings.
【原文标准名称】:液压系统.米制接头的界面
【标准号】:NFL40-120-1983
【标准状态】:现行
【国别】:法国
【发布日期】:1983-03-01
【实施或试行日期】:1983-03-22
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:法兰连接;柴油发动机;过滤器;燃油滤油器;道路车辆;连接尺寸;流体入口;组装;卧式连接;压燃式发动机;流体排出口;尺寸;法兰管件
【英文主题词】:Assembling;Compression-ignitionengines;Connectingdimensions;Dieselengines;Dimensions;Filters;Flangeconnections;Flangedfittings;Fluidinlets;Fluidoutlets;Fuelfilters;Horizontaljoints;Roadvehicles
【摘要】:
【中国标准分类号】:V38
【国际标准分类号】:43_060_40
【页数】:3P;A4
【正文语种】:其他