【英文标准名称】:CorrosionCharacteristicsofDrySolidFilmLubricants,MethodforDetermining(05.02)
【原文标准名称】:干性固体薄膜润滑剂的耐腐蚀特性的测定方法
【标准号】:ANSI/ASTMD2649-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;润滑剂;腐蚀;石油产品;试验
【英文主题词】:testing;petroleumproducts;lubricants;properties;corrosion
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语
基本信息
| 标准名称： | 压紧器座 |
| 中标分类： |
航空、航天 >>
航空器与航天器制造用设备 >>
夹具 |
| 替代情况： | HB 591-74 |
| 发布日期： | 1989-05-13 |
| 实施日期： | 1989-12-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 2页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器制造用设备 夹具
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Corporatetelecommunicationnetworks;SignallinginterworkingbetweenQSIGandH.323;Basicservices
【原文标准名称】:信息技术.远程通信及系统间的信息交换.通用通信网络.QSIG和H.323间的信令互动.基本业务
【标准号】:ISO/IEC23289-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-12
【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】:QSIG;电路网络;补充业务;电信设备;远程通信;信号传输;通信网;信息交换;电信;信息技术;网络互连
【英文主题词】:Circuitnetworks;Communicationnetworks;Communicationservice;Informationinterchange;Informationtechnology;Networkinterconnection;QSIG;Signaltransmission;Supplementaryservices;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandardspecifiessignallinginterworkingbetween"QSIG"and"H.323"insupportofbasicserviceswithinacorporatetelecommunicationnetwork(CN)."QSIG"isasignallingprotocolthatoperatesattheQreferencepointbetweenPrivateIntegratedservicesNetworkeXchange(PINX)withinaPrivateIntegratedServicesNetwork(PISN).TheQreferencepointisdefinedinISO/IEC11579-1.APISNprovidescircuit-switchedbasicservicesandsupplementaryservicestoitsusers.QSIGisspecifiedinotherInternationalStandards,inparticularISO/IEC11572(callcontrolinsupportofbasicservices)."H.323"isasetofsignallingprotocolsforthesupportofvoiceormultimediacommunicationwithinapacketnetwork,inparticularapacketnetworkthatusestheInternetProtocol(IP)asitsnetworklayerprotocol(IPnetwork).H.323signallingprotocolsoperatebetweenendpointsinanIPnetwork,eitherindirectlyviaoneormoregatekeepers,ordirectly.Anendpointcanbeaterminaloragatewaytoanothernetwork.H.323isan"umbrella"recommendationreferringtovariousITU-Trecommendations,inparticularrecommendationsH.225.0andH.245(basiccommunicationcapabilities).ThisInternationalStandardspecifiessignallinginterworkingforbasicservicesthatprovideabidirectionaltransfercapabilityforspeech,DTMF,facsimileandmodemmediabetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.ThisInternationalStandardspecifiesrequirementsforestablishinguserinformation(audio)connectionsbetweenthePISNandtheIPnetwork,butprotocolsfortransmittingaudiointheIPnetworkandforsignallinginordertoestablishandclosedownaudiotransmissionintheIPnetworkareoutsidethescopeofthisInternationalStandard.SupplementaryservicesareoutsidethescopeofthisInternationalStandard.InterworkingbetweenQSIGandH.323permitsacalloriginatingatauserofaPISNtoterminateatauserofaprivateIPnetwork,oracalloriginatingatauserofaprivateIPnetworktoterminateatauserofaPISN.InterworkingbetweenaPISNemployingQSIGandapublicIPnetworkemployingH.323isoutsidethescopeofthisInternationalStandard.However,thefunctionalityspecifiedinthisInternationalStandardisinprincipleapplicabletosuchascenariowhendeployedinconjunctionwithotherrelevantfunctionality(e.g.,numbertranslation,securityfunctions,etc.).AlthoughtwosuchgatewayscanoperateaspeersoneithersideofanIPnetwork(wherebytheIPnetworkprovidesinterconnectionbetweentwoPISNs),specialsupportforthissituation(e.g.,tunnellingofQSIGinformationthroughtheIPnetwork)isoutsidethescopeofthisInternationalStandard.AlthoughtwosuchgatewayscanoperateaspeersoneithersideofaPISN(wherebythePISNprovidesinterconnectionbetweentwoIPnetworks),specialsupportforthissituation(e.g.,tunnellingofH.323informationthroughthePISN)isoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoanyinterworkingunitthatcanactasagatewaybetweenaPISNemployingQSIGandaprivateIPnetworkemployingH.323.
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:39P;A4
【正文语种】:英语