【英文标准名称】:Devicestopreventpollutionbybackflowofpotablewater-Unrestrictedairgap-FamilyA.TypeA
【原文标准名称】:利用饮用水回流进行防污的装置.不限空隙.A系列A型
【标准号】:BSEN13076-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-04-01
【实施或试行日期】:2003-04-01
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisEuropeanstandardspecifiesthecharacteristicsandtherequirementsofunrestrictedairgapsFamilyATypeAintendedforprotectionofpotablewaterinwaterinstallationsfrompollution.Thisstandardappliestoairgapsinfactoryassembledproductsandtoconstructedairgapsinsitu,anddefinesthephysico-chemicalcharacteristicsofmaterialsofconstructionusedforthepurposeandapplicationtoensurecompliancewiththisstandardduringnormalworkinguse.
【中国标准分类号】:J88;Q81
【国际标准分类号】:13_060_20;23_060_01
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:Methodsofmeasurementforradiotransmitters;part5:performancecharacteristicsoftelevisiontransmitters
【原文标准名称】:无线电发射机的测量方法第5部分:电视发射机的性能特性
【标准号】:IEC60244-5-1992
【标准状态】:现行
【国别】:国际
【发布日期】:1992-10
【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/TC103
【标准类型】:()
【标准水平】:()
【中文主题词】:工作特性;测量技术;电气工程;性能;额定值;广播发射机;无线电发射机;电视发射机
【英文主题词】:Broadcastingtransmitters;Channels;Colourtelevision;Data;Definitions;Distortion;Electricalappliances;Electricalengineering;Electricalmeasurement;Electronicinstruments;Figures;Frequencies;Frequencymodulation;Levels;Linear;Measurement;Measuringtechniques;Methodsformeasuring;Modulation;Monochrometelevision;Non-linear;Performance;Performancecharacteristics;Powerconsumption;Powerfactor;Poweroutput;Properties;Radioequipment;Radiotransmitters;Ratings;Signaldistortion;Signaltransmission;Signals;Soundchannels;Spuriousmodulation;Telecommunication;Television;Televisiontransmitters;Testing;Transmissioncharacteristics;Transmissionperformance;Transposers;Visualsignals
【摘要】:Measurementsareconcernedwith:outputpower,powerconsumptionandpowerfactor;characteristicvisionlevels;lineardistortion;non-lineardistortion;waveformdistortion;unwantedmodulation;specialmeasurementsfordatasignalsinthevideosignal
【中国标准分类号】:M74
【国际标准分类号】:33_170
【页数】:168P.;A4
【正文语种】:英语