作者:标准资料网 时间:2024-05-09 19:22:35   浏览:9909   来源:标准资料网

【英文标准名称】:Liquidpumpsandpumpunits-Noisetestcode-Grade2andgrade3ofaccuracy.
【原文标准名称】:液体泵和泵装置.噪音试验规程.2级或3级精确度
【标准号】:NFE44-420-2000
【标准状态】:作废
【国别】:法国
【发布日期】:2000-12-01
【实施或试行日期】:2000-12-20
【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】:Acousticmeasurement;Acoustics;Airbornenoise;Airbornenoiseemitted;Applications;Centrifugalpumps;Checkpoint;Classificationsystems;Definitions;Eductors;Envelopingsurfacemethods;Environment;Externalnoise;Handling;Interpretations;Layout;Liquidpumps;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringenvironment;Measuringincertainity;Measuringinstruments;Measuringobjects;Measuringresults;Measuringsurfaces;Measuringtechniques;Mechanicalengineering;Microphones;Noise;Noiseabatement;Noiseemissions;Noise(environmental);Noisemeasurements;Operatingconditions;Pollutioncontrol;Positive-displacementpumps;Precision;Pumpunit;Pumps;Referencecubes;Soundlevel;Soundpower;Soundpressure;Soundpressurelevel;Soundpressurespectrum;Testreport;Testingshop;Usage;Vibrationengineering
【摘要】:
【中国标准分类号】:J20
【国际标准分类号】:17_040_20;17_140_20;23_080
【页数】:26P.;A4
【正文语种】:其他