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【英文标准名称】:Acoustics.Determinationofsoundpowerlevelsofnoisesourcesusingsoundpressure.Surveymethodusinganenvelopingmeasurementsurfaceoverareflectingplane.
【原文标准名称】:声学.使用声压法对噪声源声强级的测定.在反射平面上利用包封测量表面的测量法
【标准号】:NFS31-027-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-05-01
【实施或试行日期】:1996-05-20
【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】:Absorption;Acousticmeasurement;Acoustictesting;Acoustics;Calibration;Determination;Earprotectors;Envelopingsurfacemethods;Environment;Externalnoise;Fixings;Inspection;Installations;Machinenoise;Measurement;Measuringenvironment;Measuringinstruments;Measuringsurfaces;Methods;Microphones;Noise;Noise(environmental);Noisemeasurement;Noisemeasurements;Noisesources;Operation;Performancetests;Position;Precision;Reflective;Sonictesting;Soundabsorption;Soundlevel;Soundpower;Soundpressure;Soundsources;Specification(approval)
【摘要】:
【中国标准分类号】:N65
【国际标准分类号】:17_140_01
【页数】:37P.;A4
【正文语种】:其他


Product Code:SAE AMS3573
Title:Resin, Polyurethane (EU) Casting, Polyether-Type, Flexible, Solid, Low-Temperature Resistant, 80 to 90 (STABILIZED Aug 2011)
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a plasticized, polyether-type, urethane (EU) resin and hardener which, when mixed and cured, produces elastomeric polyurethane products.