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BS ISO/IEC 8649-1997 信息技术.开放式系统互连.相关控制工作元件的工作定义

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【英文标准名称】:Informationtechnology.Opensystemsinterconnection.Servicedefinitionfortheassociationcontrolserviceelement
【原文标准名称】:信息技术.开放式系统互连.相关控制工作元件的工作定义
【标准号】:BSISO/IEC8649-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传输控制规程;定义;连接模式(OSI);开放系统互连;协议;相关控制服务元件;验证;数据处理;无中继(OSI);计算机技术;应用层(开放系统互连);控制功能;数据传送;数据传输
【英文主题词】:
【摘要】:ThisServiceDefinitiondefinesACSEservicesforapplication-associationcontrolinanopensystemsinterconnectionenvironment.ACSEsupportstwomodesofcommunicationservice:connection-orientedandconnectionless.TheACSEconnection-orientedserviceisprovidedbytheuseoftheconnection-orientedACSEprotocol(seeITü-TRec.X.227IISOAEC8650-1)inconjunctionwiththeconnection-orientedpresentation-service(seeITü-TRec.X.216IISOiEC8822).TheACSEconnection-orientedserviceassumesasaminimumtheuseofthepresentation-serviceconnection-orientedKernelfunctionalunit.TheACSEconnectionlessservice(A-UNIT-DATA)isprovidedbytheuseoftheconnectionlessACSEprotocol(seeITU-TRec.X.237IISO/IEC10035-1)inconjunctionwiththeconnectionlesspresentation-service(P-UNT-DATA).ThreefunctionalunitsaredefinedintheACSE.ThemandatoryKernelfunctionalunitisusedtoestablishandreleaseapplication-associations.TheACSEincludestwooptionalfunctionalunits.TheoptionalAuthenticationfunctionalunitsupportstheexchangeofinformationinsupportofauthenticationduringassociationestablishment.Itprovidesadditionalfacilitiesforexchanginginformationinsupportofauthenticationduringassociationestablishmentwithoutaddingservices.TheACSEauthenticationfacilitiesmaybeusedtosupportalimitedclassofauthenticationmethods.Thesecondoptionalfunctionalunitsupportsthenegotiationofapplicationcontextduringassociationestablishment.TheACSEservicesapplytoawiderangeofapplication-processcommunications.ThisServiceDefinitiondoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationofentitiesandinterfaceswithinacomputersystem.NorequirementismadeforconformancetothisServiceDefinition.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:30P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforFunctionalandWearEvaluationofMotion-PreservingLumbarTotalFacetProstheses
【原文标准名称】:活动腰椎全椎间盘假体的功能及磨损评定的标准实施规程
【标准号】:ASTMF2694-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F04.25
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:评定;外科植入物;医疗技术学;运动;外科学;磨损
【英文主题词】:dynamictest;facetarthroplasty;posteriorinstrumentation;spinalimplants;statictest;wearassessment;weightlossmethod
【摘要】:TotalFacetProsthesisComponents8212;Thetotalfacetreplacementmaycompriseavarietyofshapesandconfigurations.Itsformsmayinclude,butarenotlimitedto,ballandsocketarticulatingjoints,jointshavingafree-floatingorsemi-constrainedthirdbody,metallicload-bearingsurfaces,andspringanddampeningmechanisms.Additionally,itmaybeaunilateralorbilateraldesign.SpinalTestingApparatus:TestChambers8212;Incaseofamultispecimenmachine,eachchambershallbeisolatedtopreventcross-contaminationofthetestspecimens.Thechambershallbemadeentirelyofcorrosionresistantmaterials,suchasacrylicplasticorstainlesssteel,andshallberemovablefromthemachineforthoroughcleaningbetweentests.ComponentClamping/Fixturing8212;Sincethepurposeofthetestistocharacterizethewearandkinematicfunctionofthetotalfacetprosthesis,themethodformountingcomponentsinthetestchambershallnotcompromisetheaccuracyofassessmentoftheweightlossorstiffnessvariationduringthetest.Forexample,prostheseshavingcomplicatedsuperiorandinferiorsurfacesforcontactingbone(forexample,sinteredbeads,hydroxylapatite(HA)coating,plasmaspray)maybespeciallymanufacturedtomodifythatsurfaceinamannerthatdoesnotaffectthewearsimulation.Thedeviceshouldbesecurely(rigidly)attachedatitsbone-implantinterfacetothematingtestfixtures.Themotionofthesuperiortestfixture(moreposteriorfixtureinFigs.1and2)relativetotheinferiortestingfixtureshallbeconstrainedinthree-dimensionalspaceexceptforthecomponentsinthedirectionofspecifiedtestmotions/loads.LoadandMotion:Facetloads(fx)areinitiallyappliedinthedirectionofthepositiveX-axis.FlexionloadandmotionarepositivemomentandrotationabouttheY-axis.ExtensionloadandmotionarenegativemomentandrotationabouttheY-axis.LateralbendloadandmotionarepositiveandnegativemomentsandrotationsabouttheX-axis.AxialrotationloadandmotionarepositiveandnegativemomentsandrotationsabouttheZ-axis.Frequency8212;Testfrequencyistobedeterminedandjustifiedbytheuserofthispractice,andshallnotexceed2Hzwithoutadequatejustificationensuringthattheappliedmotion(load)profilesremainwithinspecifiedtolerancesandthatthetotalfacetprosthesisx2019;swearandfunctionalcharacteristicsarenotsignificantlyaffected.SeeX1.6.CycleCounter8212;Onecompletemotionistheentirerangefromstartingpositionthroughtherangeofmotion(orloadwheninloadcontrol)andreturningtothestartingposition(load).Cyclesaretobecountedusinganautomatedcountingdevice.Note8212;Thissetupwouldrequiretworotationalactuatorsandonetranslationalactuator.FIG.1DiagramsofPossibleTestApparatusforAllowingSimultaneousLateralBendingandAxialRotationMotionswithAnterior-PosteriorDirectedFacetLoading【英文标准名称】:DimensionalMeasuringInterfaceStandard
【原文标准名称】:尺寸测量接口标准
【标准号】:ANSI/DMIS105.12007Part1-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:接口(数据处理);测量
【英文主题词】:Interfaces(dataprocessing);Measuring
【摘要】:TheDMISstandardprovidesforthebi-directionalcommunicationofinspectiondatabetweencomputersystemsandinspectionequipment.DMISprovidesthevocabularytopassinspectionprogramstomeasuringequipmentandtopassmeasurementandprocessdatabacktoananalysis,collection,orarchivingsystem.DMISdefinesaneutralformatfordataexchange,andisdesignedtobemanreadableandmanwritable.
【中国标准分类号】:L65
【国际标准分类号】:17_040_30
【页数】:
【正文语种】:英语