IEEE 802.17-2004 信息技术.电信和系统间的信息交换.局域网和城域网.具体要求.第17部分:弹性分组环存取法和物理层规范

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【英文标准名称】:Informationtechnology-Telecommunicaitonsandinformationexchangebetweensystems-Localandmetropolitanareanetworks-Specificrequirements-Part17:Resilientpacketring(RPR)accessmethodandphysicallayerspecifications
【原文标准名称】:信息技术.电信和系统间的信息交换.局域网和城域网.具体要求.第17部分:弹性分组环存取法和物理层规范
【标准号】:IEEE802.17-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:局域网;接口(数据处理);数据传送;信息技术;分组交换网络;物理层;空中接口;定义;局部地区网络;数据处理;MAN;无线通信业务;城域网;数据网络
【英文主题词】:Airinterfaces;Datanetwork;Dataprocessing;Datatransfer;Definitions;Informationtechnology;Interfaces(dataprocessing);LAN;Localareanetworks;MAN;Metropolitanareanetworks;Packetswitchingnetworks;Physicallayers;Wirelesscommunicationservices
【摘要】:Definesaresilientpacketringaccessprotocolforuseinlocal,metropolitan,andwideareanetworks,alongwithappropriatephysicallayerspecificationsfortransferofdatapacketsatratesscalabletomultiplegigabitspersecond.
【中国标准分类号】:L78
【国际标准分类号】:35_100_10;35_110
【页数】:689P.;A4
【正文语种】:英语

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上一篇: DIN EN 61000-4-21-2004 电磁兼容性.第4-21部分:试验和测量技术.混响室试验法
下一篇: NF Z84-178-1-2004 电磁兼容性和无线电频谱情况.(非GMDSS专用的)工作在甚高频带的海上移动业务用甚高频无线电话设备.第1部分:技术特性和测量方法

【英文标准名称】:Characterizationofwaste-Determinationofselectedpolychlorinatedbiphenyls(PCB)insolidwastebyusingcapillarygaschromatographywithelectroncaptureormassspectrometricdetection;EnglishversionofDINEN15308:2008-05
【原文标准名称】:废弃物的特性.用带电子俘获或质谱检测的毛细管气相色谱法测定固体废弃物中选择的多氯化联二苯(PCB)
【标准号】:DINEN15308-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-05
【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】:特性记述;化学分析和试验;化学元素;氯;定义;衍生物;有害健康;电子俘获探测器;元件;气相色谱法;健康危害;损害健康;质量浓度;质谱学;数学计算;分析方法;PCB;光度测量法(化学分析);多氯化联二苯;污泥;土壤普查;土壤;固体;测试;痕量元素;废弃物处置;废弃物处理;废弃物
【英文主题词】:Characterisations;Chemicalanalysisandtesting;Chemicalelements;Chlorine;Definition;Definitions;Derivatives;Detrimentaltohealth;Electroncapturedetectors;Elements;Gaschromatography;Healthhazards;Injurytohealth;Massconcentration;Massspectrometry;Mathematicalcalculations;Methodsofanalysis;PCB;Photometry(chemicalanalysis);Polychlorinatedbiphenyls;Sludge;Soilsurveys;Soils;Solids;Testing;Traceelements;Wastedisposal;Wastehandling;Wastes
【摘要】:Thisdocumentspecifiesamethodforquantitativedeterminationofsevenpolychlorinatedbiphenylcongeners(PCB-28,PCB-52,PCB-101,PCB-118,PCB-138,PCB-153andPCB-180)insolidwasteusinghigh-resolutiongaschromatographywithelectroncaptureormassspectrometricdetection.ThebasiccontentofthisstandardisidenticaltothatoftheHorizontalPCB-standardandisthereforealsoapplicabletosoil.sludgeandtreatedbio-waste.Thedetectionandthequantificationlimitsinthismethodaredependentonsampleintake,thelevelofinterferencesaswellasinstrumentallimitations.Undertheconditionsspecifiedinthisstandard,minimumconcentrationsofindividualPCBcongenersequalorabove0,01mg/kgdrymattercantypicallybedeterminedwithnointerferencespresent.NOTE1FortheanalysisofPCBininsulatingliquids,petroleumproducts,usedoilsandaqueoussamplesisreferredtoEN61619,EN12766-1andENISO6468,respectively.NOTE2ThemethodmaybeappliedtotheanalysisofotherPCBcongenersnotspecifiedinthescope,butitssuitabilityshouldbeprovenbyproperin-housevalidationexperiments.
【中国标准分类号】:Z13
【国际标准分类号】:13_030_10;13_030_20;13_080_10
【页数】:40P.;A4
【正文语种】:英语

Product Code:SAE AIR1660
Title:Fuel Level Control Valves/Systems
Issuing Committee:Ae-5 Aerospace Fuel, Oil And Oxidizer Systems Committee
Scope:A fuel level control valve/system controls the quantity of fuel in a tank being filled or emptied. This document provides a general familiarization with these mechanisms (e.g. forms they take, functions, system design considerations). This document provides the aircraft fuel system designer with information about these mechanisms/devices, so that he can prescribe the types of level control valves/systems which are best suited for his particular fuel system configuration.