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【英文标准名称】:Methodsofmeasuringandexpressingtheperformanceofradioreceiversforsoundbroadcasting.Receiversforamplitude-modulatedsound-broadcastingemissions
【原文标准名称】:无线电声音广播接收机性能测量及表示方法.第3部分:调幅声音广播发射用接收机
【标准号】:BS4054-3-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-08-15
【实施或试行日期】:1996-08-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:性能试验;电气试验;放大;调制;信号失真;无线电设备;通信设备;电学测量;无线电接收机;试验设备;试验条件;振荡;信噪比;乱真信号;信号电平;频率响应;电子设备及元件;接收;接收机;音频设备;电功率;无线电干扰;电路;衰减;调幅;声音广播;灵敏度
【英文主题词】:attenuation;frequencyresponse;radiodisturbances;receivers;radioequipment;signaldistortion;signal-to-noiseratio;audioequipment;circuits;electricaltesting;performancetesting;sensitivity;soundbroadcasting;electronicequipmentandcomponents;modulation;oscillations;radioreceivers;amplitudemodulation;noise(spurioussignals);amplification;electricalmeasurement;testingconditions;signallevel;communicationequipment;electricpower(wattage);testequipment;reception
【摘要】:
【中国标准分类号】:M74
【国际标准分类号】:33_060_20
【页数】:44P.;A4
【正文语种】:英语


【英文标准名称】:Transportablegascylinders-Refillableweldedreceptaclesofacapacitynotexceeding150litres-Part3:Weldedcarbonsteelcylindersmadetoadesignjustifiedbyexperimentalmethods;GermanversionEN14638-3:2010+AC:2012
【原文标准名称】:可运输的气瓶.容量不超过150L的可再充气焊接插座.第3部分:实验方法证明设计制成的焊接碳钢气瓶
【标准号】:EN14638-3-2012
【标准状态】:现行
【国别】:
【发布日期】:2012-06-01
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Acceptanceinspection;Approval;Batchtesting;Bottles;Burstingtests;Capacity;Carbonsteels;Charpy;Charpyimpacttests;Compressedgasequipment;Compressedgases;Constructiontyperequirements;Containers;Cubicalcontents;Definitions;Design;Designdata;Examination(qualityassurance);Experimental;Fatigueanalysis;Forms(paper);Gascylinders;Gasholders;Gaspressurevessels;Gases;Heattreatment;Impacttesting;Industrialgas;Leaktests;Liquefiedpetroleumgas;Manufacturedgas;Marking;Materials;Mathematicalcalculations;Mechanicaltesting;Methods;Methodsofcalculation;Methodsofmanufacture;Minimumrequirements;Mobile;Non-destructivetesting;Notched-barimpactbendingtests;Operatability;Patterns;Portable;Pressure;Pressuretests;Principlesofdesign;Production;Productioncontrol;Qualificationtests;Refillable;Re-usable;Seamless;Specification(approval);Stainlesssteels;Steelcylinders;Steels;Stress;Tensilestrength;Tensiletesting;Testpressure;Testing;Types;Verification;Visualinspection(testing);Voltage;Welded;Welding;Welds
【摘要】:
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:40P;A4
【正文语种】:英语