基本信息
标准名称: | 紧固件术语 螺纹紧固件、销及垫圈 |
英文名称: | Terminology of fasteners - Thread fasteners pin and washer |
中标分类: |
机械 >>
通用零部件 >>
紧固件 |
ICS分类: |
机械系统和通用件 >>
紧固件 >>
螺栓、螺钉、螺柱
|
替代情况: | 替代GB/T 3099-1982 |
发布部门: | 中国机械工业联合会 |
发布日期: | 2008-08-25 |
实施日期: | 2009-02-01 |
首发日期: | 1982-05-22 |
作废日期: | |
主管部门: | 中国机械工业联合会 |
提出单位: | 中国机械工业联合会 |
归口单位: | 全国紧固件标准化技术委员会 |
起草单位: | 中机生产力促进中心、北京标准件工业集团公司等 |
出版社: | 中国标准出版社 |
出版日期: | 2009-02-01 |
页数: | 【胶订-大印张】112页 |
计划单号: | 20061988-T-604 |
适用范围
GB/T 3099的本部分给出的紧固件术语可指导翻译工作。除非在产品标准中另有规定 推荐使用本部分(国际标准)以英文、法文、俄文、中文、德文、意大利文、日文、西班牙文和瑞典文给出的术语。
前言
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目录
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引用标准
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所属分类: 机械 通用零部件 紧固件 机械系统和通用件 紧固件 螺栓 螺钉 螺柱
【英文标准名称】:StandardPracticeforStatisticalAssessmentandImprovementofExpectedAgreementBetweenTwoTestMethodsthatPurporttoMeasuretheSamePropertyofaMaterial
【原文标准名称】:测量同一物质相同属性的两种测试方法间预期协定的统计评定与改进标准实施规程
【标准号】:ASTMD6708-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.94
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Agreement(testingmethods);Bias;Cross-methodreproducibility;Interlaboratorytesting;Linearbiascorrection;Quantifieddata;Statisticalmethods--petroleum;Testingmethods
【摘要】:Thispracticecanbeusedtodetermineifaconstant,proportional,orlinearbiascorrectioncanimprovethedegreeofagreementbetweentwomethodsthatpurporttomeasurethesamepropertyofamaterial.Thebiascorrectiondevelopedinthispracticecanbeappliedtoasingleresult(X)obtainedfromonetestmethod(methodX)toobtainapredictedresult(x02C6;Y)fortheothertestmethod(methodY).Note78212;Usersarecautionedtoensurethatx02C6;YiswithinthescopeofmethodYbeforeitsuse.Thebetweenmethodsreproducibilityestablishedbythispracticecanbeusedtoconstructanintervalaroundx02C6;YthatwouldcontaintheresultoftestmethodY,ifitwereconducted,withabout95%confidence.Thispracticecanbeusedtoguidecommercialagreementsandproductdispositiondecisionsinvolvingtestmethodsthathavebeenevaluatedrelativetoeachotherinaccordancewiththispractice.1.1Thispracticecoversstatisticalmethodologyforassessingtheexpectedagreementbetweentwostandardtestmethodsthatpurporttomeasurethesamepropertyofamaterial,anddecidingifasimplelinearbiascorrectioncanfurtherimprovetheexpectedagreement.ItisintendedforusewithresultscollectedfromaninterlaboratorystudymeetingtherequirementofPracticeD6300orequivalent(forexample,ISO4259).Theinterlaboratorystudymustbeconductedonatleasttenmaterialsthatspantheintersectingscopesofthetestmethods,andresultsmustbeobtainedfromatleastsixlaboratoriesusingeachmethod.Note18212;ExamplesofstandardtestmethodsarethosedevelopedbyvoluntaryconsensusstandardsbodiessuchasASTM,IP/BSI,DIN,AFNOR,CGSB.1.2Thestatisticalmethodologyisbasedonthepremisethatabiascorrectionwillnotbeneeded.Intheabsenceofstrongstatisticalevidencethatabiascorrectionwouldresultinbetteragreementbetweenthetwomethods,abiascorrectionisnotmade.Ifabiascorrectionisrequired,thentheparsimonyprincipleisfollowedwherebyasimplecorrectionistobefavoredoveramorecomplexone.Note28212;Failuretoadheretotheparsimonyprinciplegenerallyresultsinmodelsthatareover-fittedanddonotperformwellinpractice.1.3Thebiascorrectionsofthispracticearelimitedtoaconstantcorrection,proportionalcorrectionoralinear(proportional+constant)correction.1.4Thebias-correctionmethodsofthispracticearemethodsymmetric,inthesensethatequivalentcorrectionsareobtainedregardlessofwhichmethodisbias-correctedtomatchtheother.1.5Amethodologyispresentedforestablishingthe95%confidencelimit(designatedbythispracticeasthebetweenmethodsreproducibility)forthedifferencebetweentworesultswhereeachresultisobtainedbyadifferentoperatorusingdifferentapparatusandeachapplyingoneofthetwomethodsXandYonidenticalmaterial,whereoneofthemethodshasbeenappropriatelybias-correctedinaccordancewiththispractice.Note38212;Inearlierversionsofthisstandardpractice,thetermx201C;cro......
【中国标准分类号】:A41
【国际标准分类号】:75_080
【页数】:14P.;A4
【正文语种】:英语