【英文标准名称】:Europeandigitalcellulartelecommunicationssystem(phase2).Numbering,addressingandidentification(GSM03.03).
【原文标准名称】:欧洲蜂窝式数字电信系统(第2段).编号、寻址和识别(GSM03.03)
【标准号】:NFZ83-523-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-08-01
【实施或试行日期】:1996-08-20
【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】:数字的;数;无线通信业务;通信网;电气工程;识别;电信设备;欧洲的;电信;公共的;远程通信;移动无线电通信系统;寻址;无线电话业务;通信系统;数字标志;地址;地面流动服务设施
【英文主题词】:
【摘要】:
【中国标准分类号】:M12
【国际标准分类号】:33_070_50
【页数】:17P;A4
【正文语种】:其他


【英文标准名称】:StandardGuideforPreparationofFlatCompositePanelswithProcessingGuidelinesforSpecimenPreparation
【原文标准名称】:附有试样准备加工指南的扁平复合板准备的标准指南
【标准号】:ASTMD5687/D5687M-1995(2007)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D30.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:compositematerials;laminates;panelpreparation;polymermatrixcomposites;specimenpreparation
【摘要】:Thetechniquesdescribedinthisguide,ifproperlyusedinconjunctionwithaknowledgeofbehaviorofparticularmaterialsystems,willaidintheproperpreparationofconsolidatedlaminatesformechanicalpropertytesting.Thetechniquesdescribedarerecommendedtofacilitatetheconsistentproductionofsatisfactorytestspecimensbyminimizinguncontrolledprocessingvarianceduringspecimenfabrication.Steps3through8ofthe8-stepprocessmaynotberequiredforparticularspecimenortesttypes.Ifthespecimenortestdoesnotrequireagivenstepintheprocessofspecimenfabrication,thatparticularstepmaybeskipped.Atestspecimenrepresentsasimplificationofthestructuralpart.Thetestspecimenrsquo;valueliesintheabilityofseveralsitestobeabletotestthespecimenusingstandardtechniques.Testdatamaynotshowidenticalpropertiestothoseobtainedinalargestructure,butacorrelationcanbemadebetweentestresultsandpartperformance.Thismaybedue,inpart,tothedifficultyofcreatingaprocessingenvironmentfortestspecimensthatidenticallyduplicatesthatoflargerscaleprocesses.Tolerancesareguidelinesbasedoncurrentlabpractices.Thisguidedoesnotattempttogivedetailedinstructionsduetothevarietyofpossiblepanelsandspecimensthatcouldbemade.Thetolerancesshouldbeusedasastartingreferencefromwhichrefinementscanbemade.1.1Thisguideprovidesguidelinestofacilitatetheproperpreparationoflaminatesandtestspecimensfromfiber-reinforcedorganicmatrixcompositeprepregs.Thescopeislimitedtoorganicmatricesandfiberreinforcementinunidirectional(tape)ororthagonalweavepatterns.Otherformsmayrequiredeviationsfromthesegeneralguidelines.Otherprocessingtechniquesfortestcouponpreparation,forexample,pultrusion,filamentwindingandresin-transfermolding,arenotaddressed.1.2Specimenpreparationismodeledasan8-stepprocessthatispresentedinandSection.Laminateconsolidationtechniquesareassumedtobebypressorautoclave.Thispracticeassumesthatthematerialsareproperlyhandledbythetestfacilitytomeettherequirementsspecifiedbythematerialsupplier(s)orspecification,orboth.IdentificationandinformationgatheringguidelinesaremodeledafterGuideE1309.TestspecimensshallbedirectlytraceabletomaterialusedasdesignatedinGuideE1434.Propertestspecimenidentificationalsoincludesdesignationofprocessequipment,processsteps,andanyirregularitiesidentifiedduringprocessing.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Withinthetexttheinch-poundunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:16P.;A4
【正文语种】:英语