MIL-P-43951A (NOTICE 1)
时间:2024-05-10 17:36:56 来源: 标准资料网 作者：标准资料网 阅读：9374
MIL-P-43951A (NOTICE 1), MILITARY SPECIFICATION: PADLOCK, KEY OPERATED, MEDIUM SECURITY, REGULAR SHACKLE (20 MAY 1994) [S/S BY FF-P-2827].,
【英文标准名称】:Telecontrolequipmentandsystem-Part6-701:TelecontrolprotocolscompatiblewithISOstandardsandITU-Trecommendations;functionalprofileforprovidingtheTASE.1applicationserviceinendsystems(IEC60870-6-701:1998);GermanversionEN60870-6-7
【原文标准名称】:远动控制设备和系统.第6-701部分:与ISO标准和ITU-T推荐规范相兼容的远动控制协议.在终端系统中提供TASE.1应用服务的功能性协议子集
【标准号】:EN60870-6-701-1998
【标准状态】:现行
【国别】:
【发布日期】:1999-12
【实施或试行日期】:1999-12-01
【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】:T字钢;国际标准化组织;信息处理;兼容性;远程控制系统;传送服务;连接模式;终端系统;电路网络;表示层;网络控制系统;遥控技术;传播技术;应用层;外形;电气工程;信号传输;国际电信联盟电信标准化部;钢靴型材;传输协议;信息交流;数据处理;协议
【英文主题词】:Applicationlayer;Circuitnetworks;Communicationtechnology;Compatibility;Connection-mode;Dataprocessing;Electricalengineering;Endsystems;Informationexchange;Informationprocessing;ISO;ITU-T;Networkcontrolsystem;Presentationlayers;Profile;Protocols;Records;Remotecontroltechnology;Signaltransmission;T-bars;Telecontrolsystems;Tophatsection;Transmissionprotocol;Transportservices
【摘要】:
【中国标准分类号】:M54
【国际标准分类号】:33_200
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAromaticCarbonContentsofHydrocarbonOilsbyHighResolutionNuclearMagneticResonanceSpectroscopy
【原文标准名称】:用高裂度核磁共振光谱法测定烃类油中芳香碳含量的标准试验方法
【标准号】:ASTMD5292-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D02.04.0F
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:光谱学;含量测定;矿物油
【英文主题词】:aromaticcarboncontent;aromatichydrogencontent;continuouswave;Fouriertransform;hydrocarbonoils;NMR;nuclearmagneticresonancespectroscopy;
【摘要】:1.1Thistestmethodcoversthedeterminationofthearomatichydrogencontent(ProceduresAandB)andaromaticcarboncontent(ProcedureC)ofhydrocarbonoilsusinghigh-resolutionnuclearmagneticresonance(NMR)spectrometers.Applicablesamplesincludekerosenes,gasoils,mineraloils,lubricatingoils,coalliquids,andotherdistillatesthatarecompletelysolubleinchloroformatambienttemperature.ForpulseFouriertransform(FT)spectrometers,thedetectionlimitistypically0.1mol%aromatichydrogenatomsand0.5mol%aromaticcarbonatoms.Forcontinuouswave(CW)spectrometers,whicharesuitableformeasuringaromatichydrogencontentsonly,thedetectionlimitisconsiderablyhigherandtypically0.5mol%aromatichydrogenatoms.1.2Thereportedunitsaremolepercentaromatichydrogenatomsandmolepercentaromaticcarbonatoms.1.3Thistestmethodisnotapplicabletosamplescontainingmorethan1mass%olefinicorphenoliccompounds.1.4ThistestmethoddoesnotcoverthedeterminationofthepercentagemassofaromaticcompoundsinoilssinceNMRsignalsfrombothsaturatedhydrocarbonsandaliphaticsubstituentsonaromaticringcompoundsappearinthesamechemicalshiftregion.Forthedeterminationofmassorvolumepercentaromaticsinhydrocarbonoils,chromatographic,ormassspectrometrymethodscanbeused.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.2and7.4.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】: