【英文标准名称】:StandardTestMethodforAnalysisofPolychlorinatedBiphenylsinInsulatingLiquidsbyGasChromatography
【原文标准名称】:气相色谱法分析无机绝缘油中多氯联苯含量的标准试验方法
【标准号】:ASTMD4059-2000(2005)e1
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D27.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:绝缘;分析;绝缘液体
【英文主题词】:gaschromatography;PCBs;polychlorinatedbiphenyls;transformerinsulatingliquids;transformermineraloils;transformersiliconeliquids
【摘要】:1.1Thistestmethoddescribesaquantitativedeterminationoftheconcentrationofpolychlorinatedbiphenyls(PCBs)inelectricalinsulatingliquidsbygaschromatography.ItalsoappliestothedeterminationofPCBpresentinmixturesknownasaskarels,usedaselectricalinsulatingliquids.1.2ThePCBmixturesknownasAroclorswereusedintheformulationofthePCB-containingaskarelsmanufacturedintheUnitedStates.ThistestmethodmaybeappliedtothedeterminationofPCBsininsulatingliquidscontaminatedbyeitherindividualAroclorsormixturesofAroclors.ThistechniquemaynotbeapplicabletothedeterminationofPCBsfromothersourcesofcontamination.1.3TheprecisionandbiasofthistestmethodhavebeenestablishedonlyforPCBconcentrationsinelectricalinsulatingmineraloilsandsilicones.Theuseofthistestmethodhasnotbeendemonstratedforallinsulatingfluids.Someinsulatingliquids,suchashalogenatedhydrocarbons,interferewiththedetectionofPCBsandcannotbetestedwithoutpretreatment.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E38
【国际标准分类号】:29_040_10
【页数】:11P.;A4
【正文语种】:


【英文标准名称】:TerrestrialTrunkedRadio(TETRA)-TechnicalrequirementsforDirectModeOperation(DMO)-Part3:MobileStationtoMobileStation(MS-MS)AirInterface(AI)protocol(EndorsementoftheEnglishversionEN300396-3V1.4.1(2011-12)asGermanstandard)
【原文标准名称】:地面中继无线电(TETRA).直接操作模式(DMO)的技术要求.第3部分:移动站之间(MS-MS)远程接口(AI)协议(英文版本EN300396-3V1.4.1(2011-12)的核准本作为德国标准)
【标准号】:EN300396-3-2011
【标准状态】:现行
【国别】:
【发布日期】:2012-07
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空中接口;通信技术;数据传送;电气工程;欧洲电信标准协会;信息处理;接口;链路层;移动无线电通信系统;移动通信站;网络层;工作状态;运作模式;包交换网络;协议;无线电传送;无线电设备;无线电广播网;规范(验收);通信;电信网;电信系统;电信;电话网;陆地的;TETRA;泛欧中继无线电;无线通信业务
【英文主题词】:Airinterfaces;Communicationtechnology;Datatransfer;Electricalengineering;ETSI;Informationprocessing;Interfaces;Linklayers;Mobileradiosystems;Mobilestations;Networklayers;Operatingmode;Operationalmode;Packetswitchingnetworks;Protocols;Radio;Radioequipment;Radionetworks;Specification(approval);Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Terrestrial;TETRA;Transeuropeantrunkedradio;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:M19
【国际标准分类号】:33_070_10
【页数】:2P;A4
【正文语种】:英语