BS 5640-2-1978 频率范围为30MHz-1GHz的电台与电视广播接收天线.第2部分:电气性能参数测量方法
时间:2024-05-06 11:19:03 来源: 标准资料网 作者：标准资料网 阅读：8264
【英文标准名称】:Aerialsforthereceptionofsoundandtelevisionbroadcastinginthefrequencyrange30MHzto1GHz-Methodsofmeasurementofelectricalperformanceparameters
【原文标准名称】:频率范围为30MHz-1GHz的电台与电视广播接收天线.第2部分:电气性能参数测量方法
【标准号】:BS5640-2-1978
【标准状态】:作废
【国别】:英国
【发布日期】:1978-11-30
【实施或试行日期】:1978-11-30
【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】:无线电天线;无线电设备;家用的;电学测量;通信设备;电视天线;接收机;电视设备;天线;接收;放大;频率;试验条件;试验设备;电路;性能试验
【英文主题词】:Adaptation;Antennas;Broadcasting;Calibration;Damping;Electricalengineering;Electricalimpedance;Electronicengineering;Lowvoltage;Measurement;Properties;Ratings;Receivers;Reception;Reflectionfactor;Signalgenerators;Soundbroadcasting;Television;Transmitters;Wavelengths
【摘要】:Conditionsandmethodsofmeasurementofperformancecharacteristicsincludingreflectioncoefficient,gain,directivitypatternanddirectivityprotection.Describesasuitablemeasuringsite.
【中国标准分类号】:M74
【国际标准分类号】:33_120_40
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Generalsafetycodeforindustrialcombustionfurnaces
【原文标准名称】:工业燃烧炉用一般安全规则
【标准号】:JISB8415-2008
【标准状态】:现行
【国别】:日本
【发布日期】:2008-11-20
【实施或试行日期】:2008-11-20
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonIndustrialMachinery
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardspecifiesthesafetyrequirementsfortheheatutilizationequipment(industrialcombustionfurnacesandsoon)heatedbygaseousfuelandliquidfuelintheindustrialfieldasshowninthefollowinga)tod).Further,thisStandardspecifiestherequirementsforthemanufacturertosecurethesafetyofpersonandequipmentagainstserioushazardsspecifiedinAnnexBsuchaspredictablemistakesandmalfunctionswhichcanoccurinthecourseoftrialoperation,operation,andmaintenance.a)Equipmentofmetallurgicandmetallicprocessingplantb)EquipmentofglassmanufacturingplantEquipmentinceramicsmanufacturingplantd)Equipmentincement,quicklimeandgypsummanufacturingplantThedetailsofheatutilizationequipmentintheindustrialfieldshallbeinaccordancewithAnnexA.ThisStandardshallnotbeappliedtotheequipmentinchemicalplantandpetroleumplant,theincinerationsystemofwaste,theblastfurnaceandconverterinironmanufacturingplant,theambientgasgeneratingequipmentgeneratingflammablegasandtheambientgas,theequipmentforburninginopenspace,andtheequipmentcontainingthecombustiblesgeneratedfromheatedmaterials.
【中国标准分类号】:J66
【国际标准分类号】:25_180_20
【页数】:57P.;A4
【正文语种】:日语