ASTM UOP407-2009 使用干灰化法测定有机物中的痕量金属.电感耦合等离子体发射光谱仪(ICP-OES)

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【英文标准名称】:TraceMetalsinOrganicsbyDryAshing-ICP-OES
【原文标准名称】:使用干灰化法测定有机物中的痕量金属.电感耦合等离子体发射光谱仪(ICP-OES)
【标准号】:ASTMUOP407-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisfordeterminingtheconcentrationsofthemetalsaluminum(Al),calcium(Ca),cobalt(Co),chromium(Cr),copper(Cu),iron(Fe),lead(Pb),lithium(Li),magnesium(Mg),manganese(Mn),molybdenum(Mo),nickel(Ni),palladium(Pd),phosphorus(P),platinum(Pt),potassium(K),sodium(Na),strontium(Sr),tin(Sn),titanium(Ti),vanadium(V),andzinc(Zn)inorganicmatricessuchascrudepetroleum,asphalts,vacuumtowerbottoms,vacuumgasoils,atmosphericgasoils,dieselandjetfuelsandtheirblendingcomponents,andpolymers,byInductivelyCoupledPlasma?OpticalEmissionSpectrometry(ICP-OES).Mostoftheelementscanbedeterminedwithintheconcentrationrangeof0.02to200mg/kgwhena50-gsampleisashed.Higherorlowerconcentrationscanbedeterminedbychangingsampleweight,dilutionvolume,and/ormodifyingtheinstrumentoperatingparameters.Determinationofadditionalelementsispossibleiftheyarenotvolatilizedduringtheashingstep.SeeNote.Alternatively,someoftheelementslistedabovemaybeanalyzedbyAtomicAbsorptionSpectroscopy(AAS).SeeUOPMethod391,"TraceMetalsinPetroleumProductsorOrganicsbyAAS,"forspecificmetalsandtheirrangeofquantitation.
【中国标准分类号】:
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:


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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part4-2:Data-linklayerprotocolspecification-Type2elements(IEC61158-4-2:2007);EnglishversionEN61158-4-2:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第4-2部分:数据联络层协议规范.2型元件.仅为CD-ROM
【标准号】:DINEN61158-4-2-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【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】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据设备;数据传送;定义;数字的;数字数据;数字工程;数字信号;电子数据处理;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;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;协议规范;协议;信号;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;Digitalsignals;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThedata-linklayerprovidesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Thisprotocolprovidescommunicationopportunitiestoallparticipatingdata-linkentities,sequentiallyandinacyclicsynchronousmanner.Foregroundscheduledaccessisavailablefortime-criticalactivitiestogetherwithbackgroundunscheduledaccessforlesscriticalactivities.Deterministicandsynchronizedtransferscanbeprovidedatcyclicintervalsupto1msanddeviceseparationsof25km.Thisperformanceisadjustabledynamicallyandon-linebyre-configuringtheparametersofthelocallinkwhilstnormaloperationcontinues.Bysimilarmeans,DLconnectionsandnewdevicesmaybeaddedorremovedduringnormaloperation.Thisprotocolprovidesmeanstomaintainclocksynchronizationacrossanextendedlinkwithaprecisionbetterthan10μs.ThisprotocoloptimizeseachaccessopportunitybyconcatenatingmultipleDLSDUsandassociatedDLPCIintoasingleDLPDU,therebyimprovingdatatransferefficiencyfordata-linkentitiesthatactivelysourcemultiplestreamsofdata.Themaximumsystemsizeisanunlimitednumberoflinksof99nodes,eachwith255DLSAPaddresses.Eachlinkhasamaximumof224relatedpeerandpublisherDLCEPs.1.2SpecificationsThisstandardspecifiesa)proceduresforthetimelytransferofdataandcontrolinformationfromonedata-linkuserentitytoapeeruserentity,andamongthedata-linkentitiesformingthedistributeddata-linkserviceprovider;b)thestructureofthefieldbusDLPDUsusedforthetransferofdataandcontrolinformationbytheprotocolofthisstandard,andtheirrepresentationasphysicalinterfacedataunits.1.3ProceduresTheproceduresaredefinedintermsofa)theinteractionsbetweenpeerDL-entities(DLEs)throughtheexchangeoffieldbusDLPDUs;b)theinteractionsbetweenaDL-service(DLS)providerandaDLS-userinthesamesystemthroughtheexchangeofDLSprimitives;c)theinteractionsbetweenaDLS-providerandaPh-serviceproviderinthesamesystemthroughtheexchangeofPh-serviceprimitives.1.4ApplicabilityTheseproceduresareapplicabletoinstancesofcommunicationbetweensystemswhichsupporttime-criticalcommunicationsserviceswithinthedata-linklayeroftheOSIorfieldbusreferencemodels,andwhichrequiretheabilitytointerconnectinanopensystemsinterconnectionenvironment.Profilesprovideasimplemulti-attributemeansofsummarizinganimplementation’scapabilities,andthusitsapplicabilitytovarioustime-criticalcommunicationsneeds.1.5ConformanceThisstandardalsospecifiesconformancerequirementsforsystemsimplementingtheseprocedures.Thisstandarddoesnotcontainteststodemonstratecompliancewithsuchrequirements.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:229P.;A4
【正文语种】:英语


【英文标准名称】:Micrographics-Vocabulary-Part3:Filmprocessing
【原文标准名称】:缩微摄影技术.词汇.第3部分:胶片处理
【标准号】:ISO6196-3-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC171
【标准类型】:()
【标准水平】:()
【中文主题词】:缩微胶卷;缩微照相;词汇;定义;处理;摄影胶片
【英文主题词】:Definitions;Microfilm;Micrographics;Microphotography;Photographicfilm;Processing;Vocabulary
【摘要】:ThispartofISO6196isintendedtofacilitateinternationalcommunicationinmicrographics.Itpresents,intwolanguages,definitionsofselectedconceptsusedinmicrographicsandidentifiesrelationshipsbetweentheentries.Inordertofacilitatetheirtranslationintootherlanguages,thedefinitionsaredraftedsoastoavoid,asfaraspossible,anypeculiarityattachedtoalanguage.
【中国标准分类号】:A15
【国际标准分类号】:01_040_37;37_080
【页数】:10P.;A4
【正文语种】:英语