【英文标准名称】:Opticalcements;classificationandrequirements
【原文标准名称】:光学用细油灰.分类和要求
【标准号】:DIN58753Bb.1-1972
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:Assessmentofinadvertentignitionofflammableatmospheresbyradio-frequencyradiation.Guide
【原文标准名称】:由射频辐射引起的易燃气体意外着火的评定.指南
【标准号】:BS6656-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-10-30
【实施或试行日期】:2002-10-30
【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】:辐射防护;电磁辐射;雷达发射机;通信设备;防火安全;电火花;无线电发射机;可燃性环境;发射机;天线;无线电波危害;爆炸性环境;点火;电视发射机;火灾危险;射频;无线电波;易燃材料
【英文主题词】:Antennas;Communicationequipment;Electricsparks;Electromagneticradiation;Explosiveatmospheres;Firerisks;Firesafety;Flammableatmospheres;Flammablematerials;Ignition;Radartransmitters;Radiationprotection;Radiotransmitters;Radiowaves;Radiofrequencies;Radio-wavehazards;Televisiontransmitters;Transmitters
【摘要】:ThisBritishStandardprovidesguidanceonassessingthepotentialignitionhazardfromtheinadvertentextractionofenergyfromelectromagneticfields,propagatedfromcommunication,radarorothertransmittingantennastoplantwhereapotentiallyflammableatmospheremaybepresent.ThefrequencyrangecoveredbythisBritishStandardis9kHzto60GHz.ThisBritishStandarddoesnotapplytosimilarhazardsarisingfromelectromagneticfieldsgeneratedbyothermeans,suchaselectricstorms,electricitygeneratinginstallationsorotherradiatingelectricalequipment,nordoesitapplytoanyhazardarisingwithintelecommunicationorotherelectronicequipment.NOTE1Themethodsofassessmentfrom9GHzto60GHzarebasedonextrapolationofdataforfrequenciesbelow9GHz.NOTE2TheignitionofdustisnotcoveredinthisBritishStandard.ThisBritishStandardalsoprovidesadviceonhowtomitigatethehazardincaseswheretheassessmentindicatesthatahazardmayexist.ThisBritishStandarddoesnotcoverthehazardsassociatedwiththeuseofelectro-explosivedevices(EED)(seeBS6657),orthebiologicalhazardsofexposuretoRFfields.
【中国标准分类号】:C80
【国际标准分类号】:13_230;33_060_20
【页数】:92P.;A4
【正文语种】:英语