ANSI/IEEE 802.11v-2011 信息技术标准.系统间电信和信息交换.城域网.特殊要求.第II部分:无线局域网媒介通路控制(MAC)和物理层(PHY)规范.修改件

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【英文标准名称】:StandardforInformationTechnology-TelecommunicationsandInformationExchangeBetweenSystems-LocalandMetropolitanNetworks-SpecificRequirements-PartII:WirelessLANMediumAccessControl(MAC)andPhysicalLayer(PHY)Specifications-Amendm
【原文标准名称】:信息技术标准.系统间电信和信息交换.城域网.特殊要求.第II部分:无线局域网媒介通路控制(MAC)和物理层(PHY)规范.修改件
【标准号】:ANSI/IEEE802.11v-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationprocesses;Datanetwork;Dataprocessing;Datatransfer;Definitions;Informationprocessing;Interfaces(dataprocessing);LAN;Localareanetworks;MAN;Networkinterconnection;Opensystemsinterconnection;OSI;Physicallayers
【摘要】:ThisamendmentprovidesWirelessNetworkManagementenhancementstotheIEEE802.11MAC,andPHY,extendingradiomeasurementstoeffectacompleteandcoherentupperlayerinterfaceformanagingIEEE802.11devicesinwirelessnetworks.
【中国标准分类号】:L78
【国际标准分类号】:35_100_10;35_110
【页数】:
【正文语种】:英语

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【英文标准名称】:Safetyofpowertransformers,powersupplyunitsandsimilar-Part2-2:particularrequirementsforcontroltransformers.
【原文标准名称】:功率变压器、电源设备及类似装置的安全性.第2-2部分:控制变压器的特殊要求
【标准号】:NFC52-558-2-2-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-10-01
【实施或试行日期】:1999-10-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:11P;A4
【正文语种】:其他

Product Code:SAE ARP1401
Title:Aircraft Fuel System and Component Icing Test
Issuing Committee:Ae-5 Aerospace Fuel, Oil And Oxidizer Systems Committee
Scope: This Aerospace Recommended Practice (ARP) covers a brief discussion of the icing problem in aircraft fuel systems and different means that have been used to test for icing. Fuel preparation procedures and icing tests for aircraft fuel system and components are proposed herein as a recommended practice to be used in the aircraft industry for fixed wing aircraft and their operational environment only. In the context of this ARP, the engine is not considered to be a component of the aircraft fuel system, for the engine fuel system is subjected to icing tests by the engine manufacturer for commercial and particular military applications.
Rationale: This Aerospace Recommended Practice (ARP) covers a brief discussion of the icing problem in aircraft fuel systems and different means that have been used to test for icing. Fuel preparation procedures and icing tests for aircraft fuel system and components are proposed herein as a recommended practice to be used in the aircraft industry for fixed wing aircraft and their operational environment only. In the context of this ARP, the engine is not considered to be a component of the aircraft fuel system, for the engine fuel system is subjected to icing tests by the engine manufacturer for commercial and particular military applications.