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【英文标准名称】:MethodsofSamplingPetroleumandPetroleumProducts
【原文标准名称】:用电势滴定法测定石油烃类的溴的指数的试验方法(05.02)
【标准号】:ASTMD271-1970
【标准状态】:作废
【国别】:
【发布日期】:1970
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:石油产品;试验;烃类
【英文主题词】:
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:TrafficandTravelInformation(TTI).TTImessagesviacellularnetworks.Basicinformationelements
【原文标准名称】:交通和旅游信息(TTI).通过蜂窝网络的TTI文电.基础信息要素
【标准号】:BSDDCEN/TS14821-3-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-07-08
【实施或试行日期】:2003-07-08
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:交通业务;数据传输;规范(验收);定义;远程信息管理;交通和旅客信息;无线电通信;协议;电路网络;信息交换;道路运输;数据传送;文电;交通管制;远程处理
【英文主题词】:ASN.1;Circuitnetworks;Codes;Dataelements;Datatransfer;Datatransmission;Definition;Definitions;Encoding;Englishlanguage;Informationinterchange;Interfaces;Messages;Mobile;Mobileradiosystems;Motorvehicles;Protocols;Radiocommunication;Roadtransport;Specification(approval);Telematics;Teleprocessing;Traffic;Trafficandtravellerinformations;Trafficcontrol;Vehicles
【摘要】:ThisTechnicalSpecificationdefinesthespecificinterfacesandfunctionalityoftraffictelematics(TT)servicesbasedontheuseofcellularnetworks.DevicemanufacturersareenabledtodevelopterminalequipmentcompatibletoservicesbasedonthisTechnicalSpecification.Thiswillallowforinteroperabilityofdifferentterminalequipmentandserviceproviderswhichallowscompetitionbetweenserviceprovidersandterminalmanufacturers.Furthermoreitsetsthesceneforinternationalavailabilityoftheseservices.ThisTechnicalSpecificationspecifies·TT-specificinterfacesbetweenterminalandservicecentre.Thisespeciallyincorporatesthemessagesetsoftheapplicationdataprotocolsandtheservice-independentcommunicationhandling(includingconditionalaccessandtransportprotocols).·Functionality,proceduresandrequirementsofbasicterminalcomponentsaswellastheirinteractionwiththeservicecentre.Thisespeciallycomprisesconditionalaccessandsecuritymechanisms.·ServiceSpecifications,whichareessentialtoensureconsistentbehaviourofterminalandservicecentre.Theservicesincorporatedwithinthisissuecomprise:·breakdownandemergencyservices·interactivetrafficinformationservices·broadcasttrafficinformationservices·navigationservices(routeassistance,routeadvice,homing)·operatorservices·generalinformationservices·floatingcardatacollectionItisenvisagedthatfutureresearchanddevelopmentwillleadtoimprovementsontheserviceslistedaboveaswellastothecreationofnewservices.NeverthelessthisTechnicalSpecificationprovidestheframeworkforseamlessintegrationofnewfeaturesandservicesintotheexistingarchitecture.Licensed
【中国标准分类号】:R07
【国际标准分类号】:35_240_60
【页数】:94P.;A4
【正文语种】:英语