【英文标准名称】:ULStandardforSafetyElectrically-ActuatedTransmittersSeventhEdition
【原文标准名称】:电驱动发射机
【标准号】:UL632-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000-03-29
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电的;发射机;指示装置;故障信号;信号变换器;编码;信号发送器;报警信号
【英文主题词】:signalconverters;troublesignal;electrical;indicatingdevices;transmitters;signaltransmitters;encoding;alarmsignals
【摘要】:Theserequirementscoverelectrically-actuatedtransmittersintendedforpermanentinstallationanduseinordinaryindoorlocationinaccordancewiththeNationalElectricalCode,NFPA70,andtheNationalFireAlarmCode,NFPA72.
【中国标准分类号】:A91
【国际标准分类号】:13_320
【页数】:58P.;A4
【正文语种】:英语


【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsandsoundenergylevelsofnoisesourcesusingsoundpressure-Precisionmethodsforreverberationtestrooms.
【原文标准名称】:声学.使用声压进行噪声源的声音功率级测定.混响室精确法
【标准号】:NFS31-022-2012
【标准状态】:现行
【国别】:法国
【发布日期】:2012-02-01
【实施或试行日期】:2012-02-04
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoiseemitted;Audiosystems;Calibration;Concentration;Definitions;Determination;Earprotectors;Environment;Ergonomics;Filters;Frequencies;Handling;Hearingabilitytests;Humidity;Indications;Information;Loudnesslevels;Loudspeakers;Lowfrequencies;Machines;Mathematicalcalculations;Measurement;Measuringenvironment;Measuringinstruments;Measuringrooms;Measuringtechniques;Measuringuncertainty;Microphones;Noise;Noise(environmental);Noisemeasurements;Noisesources;Observation;Operatingconditions;Position;Powerlevels;Precision;Reverberation;Reverberationroommethod;Reverberationrooms;Rooms;Safetyofmachinery;Sound;Soundabsorption;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundsources;Specification(approval);Standarddeviation;Surfaces;Temperature;Testing;Volume(sound)
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:73P;A4
【正文语种】:其他