SAE AMS2473 Chemical Film Treatment for Aluminum Alloys, General Purpose Coating
时间:2024-05-15 12:57:48 来源: 标准资料网 作者：标准资料网 阅读：8637
Product Code:SAE AMS2473
Title:Chemical Film Treatment for Aluminum Alloys, General Purpose Coating
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification establishes the engineering requirements for producing chemical-film coatings on aluminum alloys and the properties of such coatings.
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Localandmetropolitanareanetworks-Commonspecifications-Part3:MediaAccessControl(MAC)Bridges
【原文标准名称】:信息技术系统间远程通信和信息交换局域网和城域网通用规范第3部分:媒体访问控制(MAC)网桥
【标准号】:ISO/IEC15802-3-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-12
【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】:记录;协议;信息技术;局域网;信息交换;多路存取计算机;数据传送;数据处理设备;局部地区网络;网络;定义
【英文主题词】:Dataprocessingequipment;Datatransfer;Definitions;Informationinterchange;Informationtechnology;LAN;Localareanetworks;MAC;Network;Protocols;Records
【摘要】:ForthepurposeofcompatibleinterconnectionofdataprocessingequipmentusingtheIEEE802MACSer-vicesupportedbyinterconnectedIEEE802LANs(see3.4)usingdifferentoridenticalMediaAccessCon-trolmethods,thisstandardspecifiesageneralmethodfortheoperationofMACBridges.Tothisendita)PositionsthebridgingfunctionwithinanarchitecturaldescriptionoftheMACSublayer.b)DefinestheprinciplesofoperationoftheMACBridgeintermsofthesupportandpreservationoftheMACService,andthemaintenanceofQualityofService.c)SpecifiestheMACInternalSublayerServiceprovidedbyindividualLANstotheMediaAccessMethodIndependentFunctionsthatprovideframerelayintheBridge.d)IdentifiesthefunctionstobeperformedbyBridges,andprovidesanarchitecturalmodeloftheinter-naloperationofaBridgeintermsofProcessesandEntitiesthatprovidethosefunctions.e)EstablishestherequirementsforaprotocolbetweentheBridgesinaBridgedLANtoconfigurethenetwork,andspecifiesthedistributedcomputationofaSpanningTreeactivetopology.f)SpecifiestheencodingoftheBridgeProtocolDataUnits(BPDUs).g)EstablishestherequirementsforBridgeManagementintheBridgedLAN,identifyingthemanagedobjectsanddefiningthemanagementoperations.h)Specifieshowthemanagementoperationsaremadeavailabletoaremotemanagerusingtheproto-colandarchitecturaldescriptionprovidedbyISO/IEC15802-2:1995.i)SpecifiesperformancerequirementsandrecommendsdefaultvaluesandapplicablerangesfortheoperationalparametersofaBridge.j)Specifiestherequirementstobesatisfiedbyequipmentclaimingconformancetothisstandard.k)SpecifiescriteriafortheuseofMAC-specificbridgingmethods.ThisstandardspecifiestheoperationofMACBridgesthatattachdirectlytoIEEE802LANs,asspecifiedintherelevantMACstandardsfortheMACtechnologyortechnologiesimplemented.ThespecificationofRemoteBridges,whichinterconnectLANsusingWideAreaNetwork(WAN)mediaforthetransmissionofframesbetweenBridges,isoutsidethescopeofthisstandard.NOTE—RemoteMACBridgingisspecifiedinISO/IEC15802-5:1997[ANSI/IEEEStd802.1G,1997Edition].
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:378P.;A4
【正文语种】:英语
【英文标准名称】:Backwatervalves
【原文标准名称】:回水逆止阀
【标准号】:ANSIA112.14.1-1975
【标准状态】:作废
【国别】:美国
【发布日期】:1975
【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】:给水设施;装置;减震系统(防护);阀门;定义;卫生设施;性能;分类系统
【英文主题词】:shuttlevalves;restraintsystems(protective);installations;classificationsystems;performance;watersupplyinstallations;valves;definitions;sanitaryfacilities
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:91_140_70
【页数】:13P;A4
【正文语种】:英语