【英文标准名称】:RecommendedPracticefortheClassificationofFlammableLiquids,Gases,orVaporsandofHazardous(Classified)LocationsforElectricalInstallationsinChemicalProcessAreas
【原文标准名称】:化学品生产场所易燃液体、气体或水蒸气和电气装置危险位置的分类用推荐实施规程
【标准号】:ANSI/NFPA497-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:化学设备;电驱动装置;安全工程;安全要求
【英文主题词】:Chemicalequipment;Electrically-operateddevices;Safetyengineering;Safetyrequirements
【摘要】:Thisrecommendedpracticeappliestothoselocationswhereflammablegasesorvapors,flammableliquids,orcombustibleliquidsareprocessedorhandled;andwheretheirreleaseintotheatmospherecouldresultintheirignitionbyelectricalsystemsorequipment.Thisrecommendedpracticeprovidesinformationonspecificflammablegasesandvapors,flammableliquids,andcombustibleliquids,whoserelevantcombustionpropertieshavebeensufficientlyidentifiedtoallowtheirclassificationintothegroupsestablishedbyNFPA70,NationalElectricalCoder(NECr),forproperselectionofelectricalequipmentinhazardous(classified)locations.Thetablesofselectedcombustiblematerialscontainedinthisdocumentarenotintendedtobeall-inclusive.Thisrecommendedpracticeappliestochemicalprocessareas.Asusedinthisdocument,achemicalprocessareacouldbealarge,integratedchemicalprocessplantoritcouldbeapartofsuchaplant.Itcouldbeapartofamanufacturingfacilitywhereflammablegasesorvapors,flammableliquids,orcombustibleliquidsareproducedorusedinchemicalreactions,orarehandledorusedincertainunitoperationssuchasmixing,filtration,coating,spraying,anddistillation.Thisrecommendedpracticedoesnotapplytosituationsthatcouldinvolvecatastrophicfailureoforcatastrophicdischargefromprocessvessels,pipelines,tanks,orsystems.Thisrecommendedpracticedoesnotapplytooxygen-enrichedatmospheresorpyrophoricmaterials.
【中国标准分类号】:G09
【国际标准分类号】:13_300;29_260_20
【页数】:
【正文语种】:英语


【英文标准名称】:Identificationcards-Contactlessintegratedcircuit(s)cards-Proximitycards-Initializationandanticollision
【原文标准名称】:识别卡.无触点集成电路卡.邻近卡.初始化和防撞
【标准号】:BSISO/IEC14443-3-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-05-15
【实施或试行日期】:2001-05-15
【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】:识别卡;通信设备;卡片;临近;识别方法;二进制数字;传播技术;磁性卡片
【英文主题词】:Contactless;Dataprocessing;Definition;Definitions;Identitycards;Initialization;Integratedcircuits;Memory;Printed-circuitcards
【摘要】:ThispartofISO/IEC14443describes:—pollingforproximitycards(PICCs)enteringthefieldofaproximitycouplingdevice(PCD);—thebyteformat,theframesandtimingusedduringtheinitialphaseofcommunicationbetweenPCDsandPICCs;—theinitialRequestandAnswertoRequestcommandcontent;—methodstodetectandcommunicatewithonePICCamongseveralPICCs(anticollision);—otherparametersrequiredtoinitializecommunicationsbetweenaPICCandPCD;—optionalmeanstoeaseandspeeduptheselectionofonePICCamongseveralPICCsbasedonapplicationcriteria.ProtocolandcommandsusedbyhigherlayersandbyapplicationsandwhichareusedaftertheinitialphasearedescribedinISO/IEC14443-4.ThispartofISO/IEC14443isapplicabletoPICCsofTypeAandofTypeB(asdescribedinISO/IEC14443-2).NOTEPartofthetimingofdatacommunicationisdefinedinISO/IEC14443-2.
【中国标准分类号】:L64
【国际标准分类号】:35_240_15
【页数】:64P.;A4
【正文语种】:英语