ASTM D1294-2005 1英寸(25.4毫米)规准长度羊毛纤维束的拉伸强度和断裂强度的标准试验方法

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【英文标准名称】:StandardTestMethodforTensileStrengthandBreakingTenacityofWoolFiberBundles1-in.(25.4-mm)GageLength
【原文标准名称】:1英寸(25.4毫米)规准长度羊毛纤维束的拉伸强度和断裂强度的标准试验方法
【标准号】:ASTMD1294-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:纤维束断裂强度;试验;纺织纤维;纺织材料;羊毛;纤维;拉伸强度
【英文主题词】:breakingstrength;wool
【摘要】:TestMethodD1294forthedeterminationoftensilestrengthmaybeusedfortheacceptancetestingofcommercialshipmentsofwool,butcautionisadvisedsincetechniciansmayfailtogetgoodagreementbetweenresults.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativetestthatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifbiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thistestmethodisusefulinstudyingtherelationshipbetweenfiberstrengthandproductquality;resultsshouldbeconsideredcomparativeratherthanfundamentalsincethestrengthfoundwillbelowerthanthesumofthestrengthsoftheindividualfiberspresentduetoslightdifferencesintensioning.Elongationmaybeobtainedalsobuttheaccuracyofelongationmeasurementsislimitedandtheirdeterminationis,therefore,notincludedasaformalpartofthistestmethod.ThebasicdifferencesbetweentheproceduresemployedinthistestmethodandthoseofTestMethodD2524areinthegagelengthsemployedandthemethodsofclamping.InTestMethodD2524,specificclampsarerequiredwhereasinTestMethodD1294,anyconventionalclampsmaybeused.ResultsforbreakingloaddeterminedbyTestMethodD2524average30%higherthanthoseobtainedbyTestMethodD1294.1.1Thistestmethodcoversthedeterminationofthebreakingforce(orload)andestimationofthetensilestrengthandtenacityofwoolfiberbundleswitha1-in.(25.4-mm)gagelength.Aprocedureforpreparationofthefiberbundleisincluded.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard;thevaluesinSIunitsareprovidedforinformationonly.Becausetheinstrumentiscalibratedininch-poundunits,inch-poundunitsareshownfirst,contrarytoCommitteeD13policy.Note1--Forothermethodsofmeasuringbreakingtenacityoffiberbundles,refertoTestMethodsD1445andD2524.Note2--Thistestmethodcanbeusedforotherfibersthatlendthemselvestothesamekindofpreparationbutthedifferenceindensitymustbetakenintoaccountwhencalculatingthetensilestrength.Itisnotnecessarytoknoworcorrectforthedensityofafiberwhencalculatingbreakingtenacity.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibiltiyoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Aerospaceseries.Elementsofelectricalandopticalconnection.Testmethods.Part312:airleakage.
【原文标准名称】:航空航天系列.电气及光学连接元件.试验方法.第312部分:空气泄漏
【标准号】:NFL54-002-031-1998
【标准状态】:现行
【国别】:法国
【发布日期】:1998-04-01
【实施或试行日期】:1998-04-05
【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】:V25
【国际标准分类号】:49_060
【页数】:7P;A4
【正文语种】:其他


【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-CallForwardingUnconditional(CFU)supplementaryservice-Functionalcapabilitiesandinformationflows;EnglishversionETS300204:1994
【原文标准名称】:综合服务数字网络.转呼无条件的补充业务.功能效率和信息流通;英文版本ETS300204:1994
【标准号】:DINETS300204-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:综合服务数字网络;信号传输;数字信号;电话中继线路;电信;附加服务;数字的;电话网;信息交换;电信设备;通信网;呼叫传输;信息流
【英文主题词】:Callforwardings;Calltransmission;Communicationnetworks;Communicationservice;Digital;Digitalsignals;Informationflow;Informationinterchange;Integratedservicesdigitalnetwork;ISDN;Signaltransmission;Supplementaryservices;Telecommunication;Telecommunications;Telephonenetworks
【摘要】:Thedocumentdefinesthestage2oftheCallForwardingUnconditional(CFU)supplementaryservice.
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:59P.;A4
【正文语种】:德语