BS ISO/IEC 11570-1993 信息技术.系统间电信和信息交换.开放式系统互连.传输协议识别机制
时间:2024-05-09 12:54:12 来源: 标准资料网 作者：标准资料网 阅读：9203
【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Opensystemsinterconnection-Transportprotocolidentificationmechanism
【原文标准名称】:信息技术.系统间电信和信息交换.开放式系统互连.传输协议识别机制
【标准号】:BSISO/IEC11570-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-08-15
【实施或试行日期】:1993-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:通信网;合格;数据处理;识别方法;开放系统互连;数据传输控制规程;数据传送;信息交流;通信规程;数据传输;数据布置;传送层
【英文主题词】:Communicationsystems;Dataprocessing;Datatransfer;Datatransmissionmethods;Definitions;Identification;Informationexchange;Informationinterchange;Informationprocessing;Informationtechnology;Networkinterconnection;Opensystems;Opensystemsinterconnection;OSI;Procedures;Properties;Protocols;Specification(approval);Systemology;Telecommunication;Telecommunications;Transportlayers;Transportprotocol
【摘要】:TheproceduresspecifieddonotpreventcommunicationbetweentransportentitiesconformingtoISO/IEC8073onlyandthoseconformingtoISO/IEC8073aswellastothisstandard.TheuseofaprotocolidentificationprocedureallowstransportentitiestobeimplementedwhichcansupportboththeOSItransportprotocolsandnon-OSItransportprotocolsabovetheOSInetworklayer.
【中国标准分类号】:L79
【国际标准分类号】:35_100_40
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:CENELECstandardvoltages
【原文标准名称】:CENELEC标准电压
【标准号】:BSEN60038-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-12-31
【实施或试行日期】:2011-12-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:ACnetwork;Alternatingcurrent;Alternatingvoltages;Definitions;Designations;Directcurrent;Directvoltage;Direct-currentsystem;Electricpowerdistribution;Electricpowernetworks;Electricsockets;Electricalengineering;Electricalinstallations;Electrically-operateddevices;Equipment;Highvoltage;IECstandardvoltage;Lowvoltage;Lowvoltagemains;Marking;Operatingconditions;Ratedvoltage;Ratedvoltages;Ratings;Standardvoltages;Supplyvoltage;Three-phasecurrent;Three-phasenetworks;Tractionnetwork;Voltage
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:29_020
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:PracticeforSamplingTwo-PhaseGeothermalFluidforPurposesofChemicalAnalysis
【原文标准名称】:化学分析用两相地热流体取样惯例
【标准号】:ANSI/ASTME1675-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:1998-06-15
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:蒸汽
【英文主题词】:steam
【摘要】:Thepurposeofthispracticeistoobtainrepresentativesamplesofliquidandsteamastheyexistinapipelinetransportingtwo-phasegeothermalfluids.Theliquidandsteamsamplesarecollectedandproperlypreservedforsubsequentchemicalanalysisinthefieldoranoff-siteanalyticallaboratory.Thechemicalcompositiondatageneratedfromtheanalysisofliquidandsteamsamplesmaybeusedformanyapplicationsimportanttogeothermalenergyexploration,development,andthelong-termmanagedexploitationofgeothermalresources.Theseapplicationsinclude,butarenotlimitedto,resourceevaluationssuchasdeterminingreservoirtemperatureandtheoriginofreservoirfluids,compatibilityofproducedfluidswithproduction,powergenerationandreinjectionhardwareexposedtothefluids(corrosivityandscaledepositionpotential),long-termreservoirmonitoringduringfieldexploitation,andenvironmentalimpactevaluationsincludingemissionstesting.Tofullyutilizethechemicalcompositiondataintheapplicationsstatedin,specificphysicaldatarelatedtothetwo-phasedischarge,wellbore,andgeothermalreservoirmayberequired.Mathematicalreconstructionofthefluidchemistry(liquidandsteam)toreservoirconditionsisaprimaryrequirementinmanyapplications.Ataminimum,thisrequirespreciseknowledgeofthetotalfluidenthalpyandpressureortemperatureatthesamplepoint.Fluidreconstructionandcomputationstoconditionsdifferentfromthesamplecollectionpointarebeyondthescopeofthispractice.Thispracticeislimitedtothecollectionofsamplesfromtwo-phaseflowstreamsatpressuresgreaterthan70kPagauge(10psig)andhavingavolumetricvaporfractionofatleast20%.Thispracticeisnotapplicabletosingle-phaseflowstreamssuchaspumpedliquiddischargesatpressuresabovetheflashpointorsuperheatedsteamflows.RefertoSpecificationE947forsamplingsingle-phasegeothermalfluids.Thesamplingofgeothermalfluidtwo-phaseflowstreams(liquidandsteam)requiresspecializedsamplingequipmentandproperorientationofsampleportswithrespecttothetwo-phaseflowline.Thispracticeisapplicabletowellsnotequippedwithindividualproductionseparators.Inmanycases,thesetechniquesaretheonlypossiblewaytoobtainrepresentativesteamandliquidsamplesfromindividualproducinggeothermalwells.Thesamplingproblemsthatexistincludethefollowing:Unstableproductionflowratesthathavealargedegreeofsurging,Unknownpercentageoftotalflowthatisflashedtosteamoriscontinuouslyflashingthroughtheproductionsystem,Mineraldepositionduringandafterflashingoftheproducedfluidinwellbores,productionpiping,andsamplingtrains,Stratificationofflowinsidethepipelineandunusualflowregimesatthesamplingports,andInsufficientflashfractiontoobtainasteamsample.Thispracticecoversthesamplelocations,specializedsamplingequipment,andproceduresneededtoobtainrepresentativeliquidandsteamsamplesforchemicalanalysis.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:G04
【国际标准分类号】:75_020
【页数】:
【正文语种】:英语