【英文标准名称】:Roadvehicles-Heatratingofsparkplugs
【原文标准名称】:道路车辆.火花塞的热量额定值
【标准号】:ISO/TR15409-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC22
【标准类型】:()
【标准水平】:()
【中文主题词】:使用条件;火花塞;汽车;摩托车;试验;热性能;道路车辆;定义
【英文主题词】:definitions;testing;thermalproperties;roadvehicles;operatingconditions;motorvehicles;definition;sparkplugs;tests;automobiles
【摘要】:ThisTechnicalReportdescribestheheat-ratingmethodsofsparkplugsusedwithspark-ignitionengines.
【中国标准分类号】:T13
【国际标准分类号】:43_060_50
【页数】:96P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Opendistributedprocessing-Referencemodel:Architecturalsemantics
【原文标准名称】:信息技术.开放分布式处理.参考模型:体系结构语义
【标准号】:ISO/IEC10746-4-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-12
【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
【标准类型】:()
【标准水平】:()
【中文主题词】:开放系统互连;参考模型;分布式数据处理;数据处理;OSI开放系统互连;信息交换;网络互连;定义
【英文主题词】:Dataprocessing;Definition;Definitions;Distributeddataprocessing;Informationinterchange;Networkinterconnection;Opensystemsinterconnection;OSI;Referencemodel
【摘要】:TherapidgrowthofdistributedprocessinghasleadtoaneedforacoordinatingframeworkforthestandardizationofOpenDistributedProcessing(ODP).ThisReferenceModelofODPprovidessuchaframework.Itcreatesanarchitecturewithinwhichsupportofdistribution,interworking,interoperabilityandportabilitycanbeintegrated.TheBasicReferenceModelofOpenDistributedProcessing(RM-ODP),(seeITU-TRecs.X.901toX.904|ISO/IEC10746),isbasedonpreciseconceptsderivedfromcurrentdistributedprocessingdevelopmentsand,asfaraspossible,ontheuseofformaldescriptiontechniquesforspecificationofthearchitecture.TheRM-ODPconsistsof:-ITU-TRec.X.901|ISO/IEC10746-1:Overview:ContainsamotivationaloverviewofODPgivingscooping,justificationandexplanationofkeyconcepts,andanoutlineofODParchitecture.Thispartisnotnormative.-ITU-TRec.X.902|ISO/IEC10746-2:Foundations:Containsthedefinitionoftheconceptsandanalyticalframeworkandnotationfornormalizeddescriptionof(arbitrary)distributedprocessingsystems.ThisisonlytoalevelofdetailsufficienttosupportITU-TRec.X.903|ISO/IEC10746-3andtoestablishrequirementsfornewspecificationtechniques.Thispartisnormative.-ITU-TRec.X.903|ISO/IEC10746-3:Architecture:Containsthespecificationoftherequiredcharacteristicsthatqualifydistributedprocessingasopen.ThesearetheconstraintstowhichODPstandardsmustconform.ItusesthedescriptivetechniquesfromITU-TRec.X.902|ISO/IEC10746-2.Thispartisnormative.-ITU-TRec.X.904|ISO/IEC10746-4:ArchitecturalSemantics:ContainsaformalisationoftheODPmodelingconceptsdefinedinITU-TRec.X.902|ISO/IEC10746-2,clauses8and9,andaformalisationoftheviewpointlanguagesofITU-TRec.X.903|ISO/IEC10746-3.Theformalisationisachievedbyinterpretingeachconceptintermsoftheconstructsofthedifferentstandardizedformaldescriptiontechniques.Thispartisnormative.ThepurposeofthisRecommendation|InternationalStandardistoprovideanarchitecturalsemanticsforODP.ThisessentiallytakestheformofaninterpretationofthebasicmodelingandspecificationconceptsofITU-TRec.X.902|ISO/IEC10746-2andviewpointlanguagesofITU-TRec.X.903|ISO/IEC10746-3,usingthevariousfeaturesofdifferentformalspecificationlanguages.Anarchitecturalsemanticsisdevelopedinfourdifferentformalspecificationlanguages:LOTOS,ESTELLE,SDLandZ.TheresultisaformalizationofODP'sarchitecture.Throughaprocessofiterativedevelopmentandfeedback,thishasimprovedtheconsistencyofITU-TRec.X.902|ISO/IEC10746-2andITU-TRec.X.903|ISO/IEC10746-3.Anarchitecturalsemanticsprovidestheadditionalbenefitsof:-assistingthesoundanduniformdevelopmentofformaldescriptionsofODPsystems;and-ofpermittinguniformandconsistentcomparisonofformaldescriptionsofthesamestandardindifferentformalspecificationlanguages.RatherthanprovideamappingfromalltheconceptsofITU-TRec.X.902|ISO/IEC10746-2,thisRecommendation|InternationalStandardfocusesonthemostbasic.AsemanticsforthehigherlevelarchitecturalconceptsisprovidedindirectlythroughtheirdefinitionintermsofthebasicODPconcepts.ExamplesoftheuseofsomeoftheformalspecificationlanguagesinthisreportcanbefoundinTR10167(GuidelinesfortheApplicationofESTELLE,LOTOSandSDL).Inthefollowingclauses,theconceptsarenumberedinaccordancewiththeschemeusedinITU-TRec.X.902|ISO/IEC10746-2.ThisRecommendation|InternationalStandardspecifiesanarchitecturalsemanticsforODP.Thisisrequiredto:-provideformalisationoftheODPmodellingconcepts;-assistsoundanduniformdevelopmentofformaldescriptionsofstandardsfordistributedsystems;-actasabridgebetweentheODPmodellingconceptsandtheseman
【中国标准分类号】:L97
【国际标准分类号】:35_100_01
【页数】:29P.;A4
【正文语种】:英语