您的位置: 标准下载 » 协会标准 » IEC 国际电工委员会 »

IEC 60830-1987 用作多路定标器的多通道分析器的试验方法

作者:标准资料网 时间:2024-05-21 04:44:38  浏览:8557   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Testmethodsformultichannelanalyzersasmultichannelscalers.
【原文标准名称】:用作多路定标器的多通道分析器的试验方法
【标准号】:IEC60830-1987
【标准状态】:作废
【国别】:国际
【发布日期】:1987
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:核技术;特性;试验;仪器装置;定义;分析器;电气工程
【英文主题词】:Analyzers;Definition;Definitions;Electricalengineering;Instrumentation;Nucleartechnology;Properties;Testing
【摘要】:Presentsspecifictermsrelatingtothemaincharacteristicsandestablishestestmethodsforthesecharacteristics.IEC-Publication659specifiestestproceduresformultichannelanalyzersusedforpulseheightanalysis.Referencetoitshouldbemadef
【中国标准分类号】:L88;F81
【国际标准分类号】:17_220_20
【页数】:10P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforSamplingofProcessVentsWithaPortableGasChromatograph
【原文标准名称】:使用便携式气相色层分析仪进行工艺通风孔取样的标准实施规程
【标准号】:ASTMD6060-1996(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:emissions;emissionmonitoring;gaschromatography;samplingandanalysis;Emissionmonitoring;Gaschromatography(GC)--gaseousfuels;Processvents;Samplingpetroleumproducts;Volatileorganiccompounds(VOC)--atmospheres
【摘要】:Thispracticehasbeenwidelyusedtoobtainmassbalancedataforprocessscrubbers,todeterminetheefficiencyofVOCemissioncontrolequipment,andtoobtaindatatosupportairpermitapplications.ThispracticewillhaveapplicationstotheMACTRuleandmayhaveapplicationstoComplianceAssuranceMonitoringverificationrequiredbythe1990CleanAirActTitleIIIAmendments.Thispractice,whenusedwithTestMethodsD3464orD3154oron-lineprocessflowmeterdata,canbeusedtocalculatedetailedemissionrateprofilesforVOCsfromprocessvents.Thispracticeprovidesnearlyrealtimeresultsthatcandetectprocesschangesorupsetsthatmaybemissedusingconventionalsorbenttubeorintegratedgassamplingbagsampling.1.1Thispracticedescribesamethodfordirectsamplingandanalysisofprocessventsforvolatileorganiccompound(VOC)vaporsandpermanentgasesusingaportablegaschromatograph(GC).1.2Thispracticeisapplicabletoanalysisofpermanentgasessuchasoxygen(O2),carbondioxide(CO2)andnitrogen(N2),aswellasvaporsfromorganiccompoundswithboilingpointsupto125x00B0;C.1.3Thedetectionlimitsobtainedwilldependontheportablegaschromatographanddetectorused.Detectorsavailableincludethermalconductivity,photoionization,argonionization,andelectroncapture.Forinstrumentsequippedwiththermalconductivitydetectors,typicaldetectionlimitsareonetotwopartspermillionbyvolume(ppm(v))withanapplicableconcentrationrangetohighpercentbyvolumelevels.Forinstrumentswithphotoionizationdetectorsdetectionlimitofonetotenpartsperbillionbyvolume(ppb(v))areobtainablewithaconcentrationrangefrom1000to2000ppm(v).Theargonionizationdetectorhasanachievabledetectionlimitofone(ppb(v)),whiletheelectroncapturedetectorhasanachievabledetectionlimitofonepartpertrillionbyvolume(ppt(v))forchlorinatedcompounds.1.4TheapplicabilityofthispracticeshouldbeevaluatedforeachVOCbydeterminingstability,reproducibility,andlinearity.1.5TheappropriateconcentrationrangemustalsobedeterminedforeachVOC,astherangewilldependonthevaporpressureoftheparticularVOC.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.RefertoSection8onHazardsforadditionalsafetyprecautions.
【中国标准分类号】:Z04
【国际标准分类号】:71_040_50
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Industrialcommunicationnetworks—Fieldbusspecifications—Part5-20:Applicationlayerservicedefinition—Type20elements
【原文标准名称】:工业通信网络.现场总线规范.应用层服务定义.20型元件
【标准号】:BSEN61158-5-20-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【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】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据服务;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;EDP;电气工程;电子仪器;电子系统;英语;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;OSI;物理层;过程控制工程;服务;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Physicallayers;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:ThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”ThispartofIEC61158providescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType20fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbythedifferentTypesofthefieldbusApplicationLayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto1)theFALuserattheboundarybetweentheuserandtheApplicationLayeroftheFieldbusReferenceModel,and2)SystemsManagementattheboundarybetweentheApplicationLayerandSystemsManagementoftheFieldbusReferenceModel.ThisstandardspecifiesthestructureandservicesoftheIECfieldbusApplicationLayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIApplicationLayerStructure(ISO/IEC9545).FALservicesandprotocolsareprovidedbyFALapplication-entities(AE)containedwithintheapplicationprocesses.TheFALAEiscomposedofasetofobject-orientedApplicationServiceElements(ASEs)andaLayerManagementEntity(LME)thatmanagestheAE.TheASEsprovidecommunicationservicesthatoperateonasetofrelatedapplicationprocessobject(APO)classes.OneoftheFALASEsisamanagementASEthatprovidesacommonsetofservicesforthemanagementoftheinstancesofFALclasses.Althoughtheseservicesspecify,fromtheperspectiveofapplications,howrequestandresponsesareissuedanddelivered,theydonotincludeaspecificationofwhattherequestingandrespondingapplicationsaretodowiththem.Thatis,thebehavioralaspectsoftheapplicationsarenotspecified;onlyadefinitionofwhatrequestsandresponsestheycansend/receiveisspecified.ThispermitsgreaterflexibilitytotheFALusersinstandardizingsuchobjectbehavior.Inadditiontotheseservices,somesupportingservicesarealsodefinedinthisstandardtoprovideaccesstotheFALtocontrolcertainaspectsofitsoperation.
【中国标准分类号】:P76
【国际标准分类号】:35_100_70;35_160;35_240_50
【页数】:50P.;A4
【正文语种】:英语