BS 6339-1983 通用工业风机用圆形法兰盘尺寸规范
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【英文标准名称】:Specificationfordimensionsofcircularflangesforgeneralpurposeindustrialfans
【原文标准名称】:通用工业风机用圆形法兰盘尺寸规范
【标准号】:BS6339-1983
【标准状态】:作废
【国别】:英国
【发布日期】:1983-01-31
【实施或试行日期】:1983-01-31
【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】:尺寸;工业的;流体设备;法兰;基座;风扇;孔;圆形
【英文主题词】:Dimensions;Fans;Flanges;Ventilation;Ventilationequipment;Ventilators
【摘要】:Specifiesthedimensionsofcircularflangesforgeneralpurposefansdefinedasfansforhandlingairwhichisnon-toxic,non-saturated,non-corrosive,non-flammable,freefromabrasiveparticlesandnotexceedingatemperatureof80Cor40Cifthemotororthefanbearingsareintheairstream.
【中国标准分类号】:J72
【国际标准分类号】:23_120
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Coatedabrasives-Vulcanizedfibrediscs
【原文标准名称】:涂覆磨料.硫化纤维砂轮
【标准号】:ISO16057-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);磨料;扁平砂轮;定义;支撑砂轮;硫化纤维砂轮;设计;工具;覆层;名称与符号;材料;作标记;形状;轻便磨床;固定件;尺寸;砂轮;刚纸;磨削工具;硬化材料;试验条件
【英文主题词】:Abrasiveflapwheels;Abrasives;Coatings;Definitions;Design;Designations;Dimensions;Fixings;Grindingtools;Grindingwheels;Marking;Materials;Portablegrindingmachines;Shape;Specification(approval);Supportdiscs;Testingconditions;Tools;Vulcanizedfibre;Vulcanizedfibredisk;Vulcanizedmaterials
【摘要】:ThisInternationalStandardspecifiesthenominaldimensionsofvulcanizedfibrediscs.Thesevulcanizedfibrediscsareintendedforuseonhand-heldgrindingmachines.VulcanizedfibrediscsareforusewithsupportdiscsinaccordancewithISO15636.
【中国标准分类号】:J43
【国际标准分类号】:25_100_70
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:PracticeforStatisticalAssessmentandImprovementoftheExpectedAgreementBetweenTwoTestMethodsThatPurporttoMeasuretheSamePropertyofaMaterial
【原文标准名称】:测量某种材料相同性质的两种试验方法间预期一致性的统计学评估和改进措施的实施规程
【标准号】:ANSI/ASTMD6708-2007
【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】:协议;评估;改进;材料性能;材料试验;石油产品;特性;统计;统计学;试验方法;测试
【英文主题词】:Agreements;Assessment;Improvement;Materialbehaviour;Materialtests;Petroleumproducts;Property;Statistical;Statistics;Testmethods;Testing
【摘要】:Thispracticecoversstatisticalmethodologyforassessingtheexpectedagreementbetweentwostandardtestmethodsthatpurporttomeasurethesamepropertyofamaterial,anddecidingifasimplelinearbiascorrectioncanfurtherimprovetheexpectedagreement.ItisintendedforusewithresultscollectedfromaninterlaboratorystudymeetingtherequirementofPracticeD6300orequivalent(forexample,ISO4259).Theinterlaboratorystudymustbeconductedonatleasttenmaterialsthatspantheintersectingscopesofthetestmethods,andresultsmustbeobtainedfromatleastsixlaboratoriesusingeachmethod.Note1-ExamplesofstandardtestmethodsarethosedevelopedbyvoluntaryconsensusstandardsbodiessuchasASTM,IP/BSI,DIN,AFNOR,CGSB.Thestatisticalmethodologyisbasedonthepremisethatabiascorrectionwillnotbeneeded.Intheabsenceofstrongstatisticalevidencethatabiascorrectionwouldresultinbetteragreementbetweenthetwomethods,abiascorrectionisnotmade.Ifabiascorrectionisrequired,thentheparsimonyprincipleisfollowedwherebyasimplecorrectionistobefavoredoveramorecomplexone.Note2-Failuretoadheretotheparsimonyprinciplegenerallyresultsinmodelsthatareover-fittedanddonotperformwellinpractice.Thebiascorrectionsofthispracticearelimitedtoaconstantcorrection,proportionalcorrectionoralinear(proportional+constant)correction.Thebias-correctionmethodsofthispracticearemethodsymmetric,inthesensethatequivalentcorrectionsareobtainedregardlessofwhichmethodisbias-correctedtomatchtheother.Amethodologyispresentedforestablishingthe95%confidencelimit(designatedbythispracticeasthebetweenmethodsreproducibility)forthedifferencebetweentworesultswhereeachresultisobtainedbyadifferentoperatorusingdifferentapparatusandeachapplyingoneofthetwomethodsXandYonidenticalmaterial,whereoneofthemethodshasbeenappropriatelybias-correctedinaccordancewiththispractice.Note3-Inearlierversionsofthisstandardpractice,theterm"cross-methodreproducibility"wasusedinplaceoftheterm"betweenmethodsreproducibility."Thechangewasmadebecausethe"betweenmethodsreproducibility"termismoreintuitiveandlessconfusing.Itisimportanttonotethatthesetwotermsaresynonymousandinterchangeablewithoneanother,especiallyincaseswherethe"cross-methodreproducibility"termwassubsequentlyreferencedbynameinmethodswhereaD6708assessmentwasperformed,beforethechangeinterminologyinthisstandardpracticewasadopted.Note4-Usersarecautionedagainstapplyingthebetweenmethodsreproducibilityascalculatedfromthispracticetomaterialsthataresignificantlydifferentincompositionfromthoseactuallystudied,astheabilityofthispracticetodetectandaddresssample-specificbiases(see6.8)isdependentonthematerialsselectedfortheinterlaboratorystudy.Whensample-specificbiasesarepresent,thetypesandrangesofsamplesmayneedtobeexpandedsignificantlyfromtheminimumoftenasspecifiedinthispracticeinordertoobtainamorecomprehensiveandreliable95%confidencelimitsforbetweenmethodsreproducibilitythatadequatelycovertherangeofsamplespecificbiasesfordifferenttypesofmaterials.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语
