【英文标准名称】:TerrestrialTrunkedRadio(TETRA)-TechnicalrequirementsforDirectModeOperation(DMO)-Part5:Gatewayairinterface(EndorsementoftheEnglishversionEN300396-5V1.2.1(2006-05)asGermanstandard)
【原文标准名称】:陆地集群无线电(TETRA).直接模式操作(DMO)的技术要求.第5部分:网关空中接口
【标准号】:EN300396-5-2006
【标准状态】:现行
【国别】:
【发布日期】:2006-11
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空中接口;数据传送;链路层;移动站;网络层;包交换网络;无线电设备;无线电广播网;规范(验收);电信;TETRA;泛欧集群无线电;无线通信业务
【英文主题词】:Airinterfaces;Datatransfer;Linklayers;Mobilestations;Networklayers;Packetswitchingnetworks;Radioequipment;Radionetworks;Specification(approval);Telecommunication;Telecommunications;TETRA;Transeuropeantrunkedradio;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_070_10
【页数】:2P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforImpactResistanceofPlasticSew-ThroughFlangeButtons
【原文标准名称】:塑料熔合法兰按扭耐冲击的标准试验方法
【标准号】:ASTMD5171-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:button;impactresistance;strength
【摘要】:Thistestmethodmaybeusedtodeterminetheabilityofabuttontoresistbreakingunderimpact,forexampleinpressingtheenditem,whichcouldcausethebuttontofail.Note18212;Inthedevelopmentofthistestmethoditwasfoundthatthefollowingfactorsinfluencedtheabilityofabuttontoresistfailureunderimpactconditions:resinformulation,shapelignesize,thickness,numberandspacingofholes.Buttonsmayalsopassthistestbutfailduringthepressingofagarmentduetothepresenceofheatduringpressing.5.1.1Iftherearedifferencesofpracticalsignificancebetweenthereportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,testsamplesshouldbeusedthatareashomogeneousaspossible,thataredrawnfromthematerialfromwhichthedisparaterestresultswereobtained,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddata,ataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orfuturetestresultsmustbeadjustedinconsiderationoftheknownbias.TestMethodD5171forthedeterminationoftheimpactresistanceofbuttonsmaybeusedforacceptancetestingofcommercialshipmentsofbuttonsbutcautionisadvisablesinceinformationislackingonprecision.1.1Thistestmethodcoversthedeterminationofimpactresistanceofplasticsew-throughflangebuttons.1.2Thevaluesstatedineitheracceptablemetricunitsorotherunitsshallberegardedseparatelyasstandard.Thevaluesexpressedineachsystemmayormaynotbeexactequivalents:therefore,eachsystemmustbeusedindependentlyoftheother,withoutcombiningvaluesinanyway.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J15;G33
【国际标准分类号】:61_040
【页数】:3P.;A4
【正文语种】: