【英文标准名称】:Dentistry;dentalmaterials;determinationofcolourstabilityofdentalpolymericmaterials(ISO7491:1985);germanversionEN27491:1991
【原文标准名称】:口腔医学.牙科材料.牙科聚合材料颜色稳定性的测定
【标准号】:DINEN27491-1991
【标准状态】:作废
【国别】:德国
【发布日期】:1991-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:牙科学;色牢度;牙科的;彩色稳定性;材料;试验设备;色牢度试验;染色试验;牙科材料;塑料;试验
【英文主题词】:colourfastness;plastics;testing;colourtests;materials;dentistry;colour-fastnesstests;dental;colourstability;dentalmaterials;testequipment
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:0675
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems;PrivateintegratedServicesNetwork-Mappingfunctionsfortheemploymentof64-kbit/scircuitmodeconnectionswith16-kbit/ssub-multiplexing
【原文标准名称】:信息技术系统间远程通信和信息交换专用综合业务网使用带有16kbit/s子复用的64kbit/s电路方式连接的映射功能
【标准号】:ISO/IEC17310-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-09
【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】:电路网络;电路;传播技术;复接;专业综合业务网;信息处理;无线电电路;数据处理;电信;宽带网络
【英文主题词】:Broadbandnetwork;Circuitnetworks;Circuits;Communicationtechnology;Dataprocessing;Informationprocessing;Multiplexing;PISN;Privateintegratedservicesnetworking;Radiocircuits;Telecommunication;Telecommunications
【摘要】:ThisInternationalStandarddefinesthemappingfunctionsinexchangesofPrivateIntegratedServicesNetworks(PISNs)requiredfortheutilizationofscenariosinwhich64kbit/scircuitmodeconnectionsaresub-multiplexedinto4×16kbit/schannelsforcarryinginter-PINXsignallinganduserinformation.NOTE1-ThisInternationalStandardhasbeenpreparedtomeetthespecificneedsofanapplicationforaparticularuserorganisation.However,itmayalsobeapplicableelsewhere.TherequirementscontainedinthisInternationalStandardwillbeincorporatedinanyfuturestandardspecifyingamoregenericapproachtobearerconditioning.InordertoconnectaPrivateIntegratedServicesNetworkExchange(PINX)toanotherPINX,mappingfunctionsarerequiredtoadaptthespecificinterfacesattheCreferencepointtotheapplicationattheQreferencepoint.Assuch,mappingfunctionsprovideforphysicaladaptationtotheinterfaceattheCreferencepoint.MappingfunctionsalsoprovideforthemappingofuserchannelsandsignallinginformationattheQreferencepointtotheappropriatechannelsortimeslotsattheCreferencepoint.TheCandQreferencepointsaredefinedinISO/IEC11579-1.ThetypeofinterfaceattheCreferencepointcoveredbythisInternationalStandardisthe64kbit/sUnrestrictedDigitalLeasedLine(D64U)TerminalEquipmentInterface,inaccordancewithITU-TRec.G.703.AttheQreferencepointthemappingprovidesa16kbit/sserviceforuserchannelstosupportthetransferofunrestricteddigitalinformationandtosupportthetransferofspeech,andapacketmodeserviceforthesignallingchannel.Theappliedmappingisastaticmapping,i.e.thereisafixedrelationshipbetweenuserandsignallingchannelsattheQreferencepointandtheinterfaceattheCreferencepoint.ManagementfunctionsrelatingtofailuremanagementareoutsidethescopeofthisInternationalStandard.ThisInternationalStandardisapplicabletoPINXsthatcanbeinterconnectedtoformaPrivateIntegratedServicesNetwork(PISN)andthatsupportsignallingprotocolsattheQreferencepoint.
【中国标准分类号】:L78
【国际标准分类号】:33_040_35
【页数】:10P;A4
【正文语种】:英语