DIN 41640 T.2-1980 机电元件的测量和试验方法；试验la.目测.试验lb.尺寸和重量试验
时间:2024-05-14 18:25:23 来源: 标准资料网 作者：标准资料网 阅读：8141
【英文标准名称】:Measuringmethodsandtestingproceduresforelectromechanicalcomponents;test1a:visualexamination,test1b:examinationofdimensionandmass
【原文标准名称】:机电元件的测量和试验方法；试验la.目测.试验lb.尺寸和重量试验
【标准号】:DIN41640T.2-1980
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
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【英文标准名称】:StandardPracticeforUsingPneumaticTubingforRoadwayTrafficCountersandClassifiers
【原文标准名称】:用于道路交通计数器和分级器的气动管道系统的使用de1标准操作规程
【标准号】:ASTME1957-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【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】:轴碰撞;气动道路管道系统;交通计数器;车辆轴;车辆分级器;运载工具
【英文主题词】:axlehits;pneumaticroadtubing;trafficcounters;vehicleaxles;vehicleclassifiers;vehicles
【摘要】:
【中国标准分类号】:P66
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Corporatetelecommunicationnetworks;SignallinginterworkingbetweenQSIGandH.323;Genericfunctionalprotocolforthesupportofsupplementaryservices
【原文标准名称】:信息技术系统间通信和信息交换团体电信网QSIG和H.323之间信号互通支持补充业务的一般功能协议
【标准号】:ISO/IEC21409-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-08
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;定义;通信规程;信息交换;协议;专业网;信号发送系统;网络互连;电信;数据处理;数据传输;发信号
【英文主题词】:Communicationprocedures;Dataprocessing;Datatransmission;Definitions;Informationinterchange;Informationtechnology;Networkinterconnection;Privatenetworks;Protocols;Signalling;Signallingsystems;Telecommunications
【摘要】:ThisInternationalStandardspecifiessignallinginterworkingbetween"QSIG"and"H.323"insupportofgenericfunctionalproceduresforsupplementaryserviceswithinaCorporatetelecommunicationNetwork(CN)."QSIG"isasignallingprotocolthatoperatesattheQreferencepointbetweenPrivateIntegratedServicesexchanges(PINX)withinaPrivateIntegratedServicesNetwork(PISN).TheQreferencepointisdefinedinISO/IEC11579-1.APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinotherStandards,inparticularISO/IEC11572(callcontrolinsupportofbasicservices),ISO/IEC11582(genericfunctionalprotocolforthesupportofsupplementaryservices)andanumberofstandardsspecifyingindividualsupplementaryservices."H.323"isasetofsignallingprotocolsforthesupportofvoiceormultimediacommunicationwithinapacketnetwork,inparticularapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocol(IPnetwork).H.323signallingprotocolsoperatebetweenendpointsinanIPnetwork,eitherindirectlyviaoneormoregatekeepers,ordirectly.Anendpointcanbeaterminaloragatewaytoanothernetwork.H.323isan"umbrella"recommendation,referringtovariousITU-Trecommendations,inparticularRecommendationsH.225.0andH.245(basiccommunicationcapabilities)andRecommendationH.450.1(genericfunctionalprotocolforthesupportofsupplementaryservices).NOTE-H.450.1appliestothe1998versionofH.323(alsoknownasH.323version2)andtolaterversions.InterworkingbetweenQSIGandH.323permitsacalloriginatingatauserofaPISNtoterminateatauserofanIPnetwork,oracalloriginatingatauserofanIPnetworktoterminateatauserofaPISN.InadditionthisInternationalStandardenablestheparticipantsofacalltoexchangesupplementaryservicecontrolinformationinagenericway.ThemorespecificaspectsofinterworkingparticularsupplementaryservicesarespecifiedinotherStandards.ThisInternationalStandardisapplicabletoanyinterworkingunitthatcanactasagatewaybetweenaPISNemployingQSIGandanIPnetworkemployingH.323.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35;33_160_60
【页数】:19P;A4
【正文语种】:英语