【英文标准名称】:Flammabilityspraytestforhydraulicfluids
【原文标准名称】:液压流体可燃性喷雾试验
【标准号】:DD61-1979
【标准状态】:作废
【国别】:英国
【发布日期】:1979-02-28
【实施或试行日期】:1979-02-28
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:热量测量;试验条件;试验设备;物理试验;喷雾;热输出;液压液;燃烧试验;温度测量;试验室;设计;易燃性
【英文主题词】:testlaboratories;flammability;physicaltesting;hydraulicfluids;firetests;temperaturemeasurement;sprays;heatmeasurement;thermaloutput;design;testingconditions;testequipment
【摘要】:
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:Electroacoustics-Audiologicalequipment-Part1:Pure-toneaudiometers
【原文标准名称】:电声学听力设备第1部分：纯音听力计
【标准号】:IEC60645-1-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-06
【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/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:听力试验;声学测量;校正;安全;听觉;听力计;医用电气设备;听觉阈;听度;纯普听力图;仿真耳;仿真乳突;计量学;电医学;文献工作;定义;定义;测量仪器;电声学;电气工程;试验;试验;试验;试验;声学设备;规范(验收);使用说明;作标记;检验;声级;声学
【英文主题词】:Acousticequipment;Acousticmeasurement;Acoustics;Adjustingelements;Airtubes;Artificialears;Artificialmastoids;Audiobility;Audiometers;Audiometry;Auditorythreshold;Batteries;Boneconduction;Calibration;Chaincases;Classes;Commissioning;Contact;Definitions;Density;Diagnosticequipment;Distortionfactors;Duration;Earprotectors;Earsimulators;Ears;Electricpowersystems;Electricalengineering;Electricalmedicalequipment;Electricalsafety;Electroacoustics;Electromagnetism;Electromedicine;Electrostatics;Environment;Environmentalcondition;Equipment;Fluctuation;Force;Frequencies;Headphones;Hearingabilitytests;Hearing(auditoryperception);Hearingtests;Humidity;Inspection;Instructionsforuse;Interferences;Letterings;Loudspeakers;Mainspowersupply;Marking;Maskingnoise;Measurementofthresholdofaudibility;Measuringincertainity;Measuringinstruments;Metrology;Modulation;Noise;Noise(environmental);Operation;Operationalinstructions;Precision;Pure-toneaudiometers;References;Safety;Safetyrequirements;Sensitivity;Signals;Sound;Soundabsorption;Soundintensity;Soundlevels;Soundpressure;Soundradiation;Soundtransducer;Specification(approval);Steps;Strips;Switches;Testsignals;Testing;Velocity;Zonesofreach
【摘要】:ThispartofIEC60645specifiesgeneralrequirementsforaudiometersandparticularrequirementsforpure-toneaudiometersdesignedforuseindetermininghearingthresholdlevels,incomparisonwithstandardreferencethresholdlevelsbymeansofpsychoacoustictestmethods.TheobjectofthisInternationalStandardistoensure:a)thattestsofhearing,particularlythreshold,inthefrequencyrange125Hzto8000HzonagivenhumanearperformedwithdifferentaudiometerswhichcomplywiththisInternationalStandardusingmethodsdescribedinISO8253-1andISO6189shallgivesubstantiallythesameresults;b)thattheresultsobtainedrepresentavalidcomparisonbetweenthehearingoftheeartestedandthereferencethresholdofhearing;c)thataudiometersareclassifiedaccordingtotherangeoftestsignalstheygenerate,accordingtothemodeofoperationoraccordingtothecomplexityoftherangeofauditoryfunctionstheytest.
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:69P.;A4
【正文语种】:英语