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【英文标准名称】:Audiometers-Part3:Auditorytestsignalsofshortdurationforaudiometricandneuro-otologicalpurposes(IEC60645-3:1994);GermanversionEN60645-3:1995
【原文标准名称】:听力计.第3部分:声学和耳神经学用短持续试验信号
【标准号】:DINEN60645-3-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:文献工作;短期测量;声学;校正;测量仪器;听力测定;声强;声学的;测试信号;听力计;定义;听力试验;电气工程;声信号
【英文主题词】:Acoustic;Acousticsignals;Acoustictesting;Acoustics;Adjustments;Audiograms;Audiometers;Audiometry;Auditorythreshold;Bonevibrator;Calibration;Definition;Definitions;Electricalengineering;Electroacoustics;Headphones;Hearingabilitytests;Highfrequencies;Letterings;Loudspeakers;Measuringinstruments;Operationalinstructions;Radiofrequencyapparatus;Short-termmeasurement;Signallevel;Soundintensity;Soundtransducer;Testsignals;Testing
【摘要】:Thedocumentsspecifiesmeansofdescribingthephysicalcharaterisitcsofaudiometrictestandreferencesignalsofshortdurationandmethodsfortheirmeasurement.Thedocumentalsospecifiesapsychoacousticmethodofdeterminingthelevelofthetestsignalintermsofhearinglevel.Theobjectofthisdocumentistoensurethataudiometricstimuliofshortdurationarespecifiedandmeasuredinthesamewayandthatcalibrationsarecarriedoutusingdefinedmethods.
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:8P.;A4
【正文语种】:德语


【英文标准名称】:Acoustics-Measurementattheoperator'spositionofnoiseemittedbyearth-movingmachinery-Stationarytestconditions
【原文标准名称】:声学在操作者位置测定推土机发射的噪声稳态试验条件
【标准号】:ISO6394-1998
【标准状态】:作废
【国别】:国际
【发布日期】:1998-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:发射值;测量;噪声;噪声;声强;测量条件;操作台;耕地机器;声学试验;声学测量;声功率;连续声级;声学试验;噪声测量;噪声辐射;噪声(环境的);静态试验;空气噪声测量;声学;自然工作条件;工作地点;试验;试验;发出的空气噪声;土方机械;声压;测定;定义;操作者
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airbornenoiseemitted;Continuoussoundlevels;Definition;Definitions;Determination;Earth-movingequipment;Emissionvalues;Measurement;Measurementconditions;Measurementofairbornenoise;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingstations;Operators(personnel);Soil-movingmachine;Soundintensity;Soundpower;Testing;Tests;Workingconditions(physical);Workingplaces
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingthenoiseemittedbyearth-movingmachinery,measuredattheoperator'sposition,intermsofthetime-averagedA-weightedsoundpressurelevelwhilethemachineisstationarywiththeengineoperatingatratedspeedunderno-loadconditions.ThisInternationalStandardisapplicabletothefollowingspecifictypesofearth-movingmachinery:—excavators(hydraulicorrope-operated);—crawlerandwheeltractor-dozers;—crawlerandwheelloaders;and—backhoeloaders(alsoknownasexcavatorloaders).
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20;53_100
【页数】:9P.;A4
【正文语种】:英语