JIS T5204-2001 牙科旋转仪器.心轴

上一篇: BS EN 50291-2001 探测住宅内一氧化碳用电气装置.试验方法和性能要求
下一篇: NF S93-020-2-2001 医疗用笔式注射器.第2部分:针头.要求和试验方法

【英文标准名称】:Informationtechnology-UseofX.25packetlayerprotocolinconjunctionwithX.21/X.21bistoprovidetheOSIconnection-modenetworkservice
【原文标准名称】:信息技术.使用X.25包层协议及X.21/X.21二度提供开放式系统互连(OSI)连接方式网络服务
【标准号】:BSISO/IEC10588-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-08-15
【实施或试行日期】:1993-08-15
【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】:数据链路层;数据处理;开放系统互连;网络层;数据传输控制规程;计算机网络;信息交流;包交换网络;通信规程;数据传输;线路交换网络
【英文主题词】:Datacommunication;Dataprocessing;Informationinterchange;Informationtechnology;Networkinterconnection;Networklayers;Networkservices;Opensystemsinterconnection;OSI;Packetswitchingnetworks;Telecommunications;X.21;X.25
【摘要】:ThisCCITTRecommendation|InternationalStandardisapplicabletotheenvironmentswhereRecommendationX.21orX.21bisisusedandwheretheX.25packetlayerprotocol(PLP),asstandardizedinISO/IEC8208,isoperatedduringtheX.21/X.21bisdataphasetoprovidetheOSIConnection-modeNetworkService(CONS).TheseenvironmentsincludeaCSDNandanISDNTerminalAdaptorcomplyingwithRecommendationX.30whichprovidesanX.21access.TheX.25PLPoperateseitherintheDTE/DTEorDTE/DCEmode.ThisprovisionisachievedbyspecifyingthemappingoftheCONSprimitivesandparameterstoandfromtheelementsoftheprotocolsused(i.e.X.25PLPandX.21).
【中国标准分类号】:L78
【国际标准分类号】:33_080;35_100_01
【页数】:20P;A4
【正文语种】:英语


【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Part2-99:Particularrequirementsforcommercialelectrichoods
【原文标准名称】:家用和类似用途电器.安全.第2-99部分:商用电炉罩的特殊要求
【标准号】:IEC60335-2-99-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC61E
【标准类型】:()
【标准水平】:()
【中文主题词】:通风系统;商业的;电气工程;控制装置;电气器具;家庭安全;安全;炉灶通风罩;家用;定义;使用说明;电气安全;家用电器;安全要求
【英文主题词】:Commercial;Controldevices;Cookerhoods;Definitions;Domesticsafety;Electricappliances;Electrichouseholdappliance;Electrichouseholdappliances;Electricalengineering;Electricalsafety;Householduse;Inscription;Instructionsforuse;Maintenance;Safety;Safetyrequirements;Strengthofmaterials;Ventilationsystems
【摘要】:ThisclauseofPart1isreplacedbythefollowing.ThisInternationalStandarddealswiththesafetyofelectricallyoperatedcommercialhoodsintendedforinstallationabovecommercialcookingappliancessuchasranges,griddles,griddlegrillsanddeepfatfryers,andnotintendedforhouseholduse,theirratedvoltagebeingnotmorethan250Vforsinglephasehoodsconnectedbetweenonephaseandneutral,and480Vforotherhoods.Onlysinglecompleteunitsandhoodssuppliedasseparatepartswhichwhenassembledformacompleteworkinghood,incorporatingafan,arewithinthescopeofthestandard,NOTE101Hoodsareused,forexampleinrestaurants,canteens,hospitalsandcommercialenterprisessuchasbakeries,butcheries,etcThehoodmaybeusedaboveoneormoreapplianceofthesameordifferenttypesSofarasispracticable,thisstandarddealswiththecommonhazardspresentedbythesetypesofappliancesNOTE102Attentionisdrawntothefactthat;-forhoodsintendedtobeusedinvehiclesoronboardshipsoraircraft,additionalrequirementsmaybenecessary;-inmanycountriesadditionalrequirementsincludingventilationrequirementsarespecifiedbythenationalhealthauthorities,thenationalauthoritiesresponsiblefortheprotectionoflabourandsimilarauthorities;NOTE103Thisstandarddoesnotapplyto:-domesticrangehoods(IEC60335-2-31);-purpose-builthoods,althoughthisstandardcanbeusedasaguide(apurpose-builthoodiseitherconstructedon-siteorspeciallyconstructedinthefactoryandisnotmassproduced);-hoodsnotincorporatingafan;-hoodsdesignedexclusivelyforindustrialpurposes;-hoodsintendedtobeusedinlocationswherespecialconditionsprevail,suchasthepresenceofacorrosiveorexplosiveatmosphere(dust,vapourorgas).NOTE104Requirementsforhoodswithexternallymountedfansareunderconsideration.
【中国标准分类号】:Y63
【国际标准分类号】:97_040_20
【页数】:22P.;A4
【正文语种】:英语