MIL-D-81622A
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来源:标准资料网
MIL-D-81622A, MILITARY SPECIFICATION: DETECTING RANGING SET, SONAR AN/AQS-13A (17 JAN 1974)., The equipment covered by this specification shall provide a dipped underwater echo ranging system capable of rapid search of the area around the point of immersion of the transducer, determine the range and bearing of any objects located, and provide information to assist in classification of the object. (See 6.1.)
【英文标准名称】:StandardTestMethodforTuftElementLengthofUncoatedPileYarnFloorCoverings
【原文标准名称】:非包覆的绒头纱线地板覆盖物绒头长度的标准试验方法
【标准号】:ASTMD6283-2005
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:铺地织物;地毯;簇绒;线性测量;试验
【英文主题词】:carpets;textilefloorcoverings;tuftedpile;linearmeasurement;textilefloorcovering;testing
【摘要】:
【中国标准分类号】:W56
【国际标准分类号】:59_080_60
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforSewingThreads
【原文标准名称】:缝纫线的标准试验方法
【标准号】:ASTMD204-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:缝纫线;长度;尺寸变化;纺织纤维;物理性能;测试
【英文主题词】:breakingstrength;strand;colorfastness;diameter;dimensionalchange;length;sewingthread;textilestrand;twist;twistbalance;yarnnumber
【摘要】:AcceptanceTesting8212;ThetestmethodsinTestMethodsD204forthedeterminationofthepropertiesofsewingthreadareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsofsewingthread,unlessspecifiedintheindividualtestmethod.Thesetestmethodsarethebestavailableandareusedextensivelyinthetrade.4.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore)comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthemusingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchacomparativeteststhatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedindisparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshouldbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.1.1Thesetestmethodscanbeusedtoevaluatesewingthreadsofanyfiber.1.1.1Thetestmethodsinthisstandardareintendedtoevaluateonlysewingthreadtakenfromthreadholders.1.2Thesetestmethodsonlyprovideforthemeasurementofsewingthreadphysicalproperties.Thesetestmethodsdonotaddressanyotherpropertiesthatmaybeimportantforthesatisfactoryperformanceofsewingthreadsunderparticularenduseconditions.1.3Thesetestmethodscanbeusedtomeasurethefollowingproperties:SectionsColorfastnesstoDrycleaning73-83ColorfastnesstoLaundering62-72ColorfastnesstoWaterMigration84-94Diameter43-50LengthperThreadHolder34-42Shrinkage,SingleStrand51-61DryHeat58.1BoilingWater58.2StrengthandElongation15-21SingleStrand-Conditioned19.1.1SingleStrand-Wet19.1.2LoopStrength19.2KnotStrength19.3Twist22-27TwistBalance28-33YarnNumber7-14