ANSI/ADA 14-1982 牙科用铬钴铸造合金

上一篇: DIN 57441-2-1982 标称电压>1KV系统用有机材料绝缘子试验.带玻璃纤维芯子的户外链式绝缘子的试验(VDE规范)
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【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-InteroperationofPISNswithIPnetworks
【原文标准名称】:信息技术系统间通信和信息交换PISNs与IP网络的互操作性
【标准号】:ISO/IECTR21890-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-10
【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;数据处理;电话局;电信;PISN;数据传送;定义;因特网;专业综合业务网;专业网络;信息交换;接口;电路网络;协议;合作;综合业务数字网
【英文主题词】:Circuitnetworks;Coordination;Dataprocessing;Datatransfer;Definition;Definitions;Informationinterchange;Informationtechnology;Interfaces(dataprocessing);Internet;ISDN;PISN;Privateintegratedservicesnetworking;Privatenetworks;Protocols;Telecommunications;Telephoneservices
【摘要】:ThepurposeofthisTechnicalReportistoinvestigatetheinteroperabilityofPrivateIntegratedServicesNetworks(PISNs)andInternetProtocol(IP)networks,withaviewtoidentifyingpossiblescenariosforinteroperation,problemsthatwillhavetobesolvedifparticularscenariosaretobepursuedfurther,andpossiblefuturestandardizationactivitiesinthisarea.Inparticular,thefollowingaspectsofinteroperabilityareinvestigated:·theinterworkingofPISNsandIPnetworksviaagateway;·theconnectionofPISNcomponentsviaIPnetworks.Foreachoftheabove,aspectsconsideredincludearchitecture,addressing(includinguseofIPaddressing),services,protocols,security,qualityofserviceandmobility.ThisisconductedwithinthecontextofleadingstandardsforvoiceandmultimediacommunicationoverIPnetworks,includingITU-TrecommendationH.323,IETFSessionInitiationProtocol(SIP)andITU-TrecommendationH.248.PossiblefuturestandardizationactivitiesresultingfromthisTechnicalReportcanincludeworkitemsrelatingtoIPnetworksandworkitemsrelatingtoPISNs,aswellasworkitemsconcernedspecificallywithinteroperability.ThedominanttrafficinPISNsisvoice,andthereforethisTechnicalReportfocusesoninteroperabilityconsiderationsforvoicetraffic.However,manyofthestandardsthatsupportvoiceinanIPnetworkarealsoapplicabletomulti-mediatraffic(e.g.,voice,videoanddata).Althoughinmanyrespectssimilartovoice,faxtraffichasslightlydifferentrequirementsandisnotexplicitlyconsideredinthisTechnicalReport.Itcouldbethesubjectoffurtherstudy.
【中国标准分类号】:M11
【国际标准分类号】:33_040_35
【页数】:47P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforTypeIIIPolymerModifiedAsphaltCementforUseinPavementConstruction
【原文标准名称】:铺路施工用III型高聚物改良沥青水泥标准规范
【标准号】:ASTMD5841-2000
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:路面;沥青水泥;高聚物;敷沥青
【英文主题词】:polymers;pavement;asphalticcement;asphaltpaving
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:93_080_20
【页数】:2P;A4
【正文语种】:英语