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【英文标准名称】:Informationtechnology-BusinessOperationalView-Part2:Registrationofscenariosandtheircomponentsasbusinessobjects
【原文标准名称】:信息技术.商务运作视图.第2部分:商业项目的脚本及其附件注册
【标准号】:ISO/IEC15944-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-07
【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/IECJTC1/SC32
【标准类型】:()
【标准水平】:()
【中文主题词】:使用;商务电信;商务电讯;数据交换;数据项目;数据处理;数据存储;定义;电子商务;电子经济;电子数据交换;识别;信息交换;信息技术;开式系统;开放系统互连;注册;语义学
【英文主题词】:Applications;Businesstelecommunications;Dataexchange;Dataobjekt;Dataprocessing;Datastorage;Definition;Definitions;E-business;EDI;Electroniccommerce;ElectronicDataInterchanges;Identification;Informationinterchange;Informationtechnology;Opensystems;Opensystemsinterconnection;OSI;Registration;Semantics
【摘要】:ThispartofISO/IEC15944specifiesprocedurestobefollowedinestablishing,maintaining,andpublishingregistersofunique,unambiguousandpermanentidentifiersandmeaningsthatareassignedtoOpen-ediscenariosandscenariocomponents.Inordertoaccomplishthispurpose,partofISO/IEC15944specifieselementsofinformationthatarenecessarytoprovideidentificationandmeaningtotheregistereditemsandtomanagetheregistrationoftheseitems.ThispartofISO/IEC15944definestheprocedurestobeappliedbyqualifiedJTC1RegistrationAuthority(ies)appointedbytheISOandIECcounciltomaintainaregister(s)ofOpen-ediscenariosand/orscenariocomponentsforthepurposeoftheirreusability.
【中国标准分类号】:L70
【国际标准分类号】:35_240_60
【页数】:107P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasurementofSmokeObscurationUsingaConicalRadiantSourceinaSingleClosedChamber,WiththeTestSpecimenOrientedHorizontally
【原文标准名称】:在单个闭室中利用带水平试样的锥形辐射源测量烟雾昏暗度的标准试验方法
【标准号】:ASTME1995-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coneheater;fire;fire-test-responsecharacteristic;opticaldensity;smoke;smokeobscuration;Calibration--air/atmosphericanalysisinstruments;Calibration--temperatureanalysisinstrumentation;Closedchambertesting;Conicalradiantheater;Fir
【摘要】:Thistestmethodprovidesameansfordeterminingthespecificopticaldensityofthesmokegeneratedbyspecimensofmaterials,products,orassembliesunderthespecifiedexposureconditions.Valuesdeterminedbythistestarespecifictothespecimenintheformandthicknesstestedandarenotinherentfundamentalpropertiesofthematerial,product,orassemblytested.Thistestmethodusesaphotometricscaletomeasuresmokeobscuration,whichissimilartotheopticaldensityscaleforhumanvision.Thetestmethoddoesnotmeasurephysiologicalaspectsassociatedwithvision.Atthepresenttimenobasisexistsforpredictingthesmokeobscurationtobegeneratedbythespecimensuponexposuretoheatorflameunderanyfireconditionsotherthanthosespecified.Moreover,aswithmanysmokeobscurationtestmethods,thecorrelationwithmeasurementsbyothertestmethodshasnotbeenestablished.Thecurrentsmokedensitychambertest,TestMethodE662,isusedbyspecifiersoffloorcoveringsandintherailtransportationindustries.Themeasurementofsmokeobscurationisimportanttotheresearcherandtheproductdevelopmentscientist.Thistestmethod,whichincorporatesimprovementsoverTestMethodE662,alsowillincreasetheusefulnessofsmokeobscurationmeasurementstothespecifierandtoproductmanufacturers.ThefollowingareimprovementsofferedbythistestmethodoverTestMethodE662:thehorizontalspecimenorientationsolvestheproblemofmeltingandflamingdripsfromverticallyorientedspecimens;theconicalheatsourceprovidesamoreuniformheatinput;theheatinputcanbevariedoverarangeofupto50kW/m2,ratherthanhavingafixedvalueof25kW/m2;and,the(optional)loadcellpermitscalculationstobemadeofmassopticaldensity,whichassociatesthesmokeobscurationfire-test-responsecharacteristicmeasuredwiththemassloss.Limitations:Thefollowingbehaviorduringatestrendersthattestinvalid:aspecimenbeingdisplacedfromthezoneofcontrolledirradiancesoastotouchthepilotburnerorthepilotflame;extinctionofthepilotflame(evenforashortperiodoftime)intheflamingmode;moltenmaterialoverflowingthespecimenholder;or,self-ignitioninthenonflamingmode.Asisusualinsmall-scaletestmethods,resultsobtainedfromthistestmethodhaveproventobeaffectedbyvariationsinspecimengeometry,surfaceorientation,thickness(eitheroverallorindividuallayer),mass,andcomposition.Theresultsofthetestapplyonlytothethicknessofthespecimenastested.Nosimplemathematicalformulaexiststocalculatethespecificopticaldensityofaspecimenataspecimenthicknessdifferentfromthethicknessatwhichitwastested.Theliteraturecontainssomeinformationonarelationshipbetweenopticaldensityandspecimenthickness[1].Resultsobtainedfromthistestmethodareaffectedbyvariationsinthepositionofthespecimenandradiometerrelativetotheradiantheatsource,sincetherelativepositioningaffectstheradiantheatflux(seealsoAppendixX2).Thetestresultshaveprovensensitivetoexcessiveaccumulationsofresidueinthechamber,whichserveasadditionalinsulators,tendingtoreducenormallyexpectedcondensationoftheaerosol,therebyraisingthemeasuredspecificopticaldensity(see5.5.8.3and11.1.2).Themeasurementsobtainedhavealsoprovensensitivetodifferencesinconditioning(seeSection10).Manymaterials,products,orassemblies,suchassomecarpeting,wood,plastics,ortextiles,requirelongperiodstoattainequilibrium(constantweight)eveninaforced-draftconditioningchamber.Thissensitivityreflectstheinherentnatu......
【中国标准分类号】:C80
【国际标准分类号】:13_220_40
【页数】:24P.;A4
【正文语种】:英语