Non-destructive testing. Acoustic emission testing. Examination of metallic pressure equipment during proof testing. Planar location of AE sources
发布日期:2013-05-31 实施日期:2013-05-31
实施日期:2004-11-01
Textile machinery -- Noise test code -- Part 7: Dyeing and finishing machinery
发布日期:2001-03-01 实施日期:2001-03-01
Akustik. Messung und Modellbildung der Schallausbreitungskurven in Arbeitsraeumen zum Zweck der Beurteilung ihrer akustischen Qualitaet Acoustics-Measurement and Parametric Description of Spatial Sound...
适用范围:This International Standard specifies a method for measuring the spatial sound distribution curve(s) of a given workroom. A method is given for determining, from the measured data, two descriptors of t...
实施日期:2001-11-14
Elektrische Ger?te für den Hausgebrauch und ?hnliche Zwecke. Prüfvorschrift für die Bestimmung der Luftschallemission. Allgemeine Anforderungen Household and similar electrical appliances. Test code fo...
适用范围:This part of IEC 60704 applies to electric appliances (including their accessories orcomponents) for household and similar use, supplied from mains or from batteries.By similar use is understood the us...
实施日期:2010-04-30
Acoustics -- Determination of sound power levels of noise sources -- Guidelines for the use of basic standards
发布日期:2000-11-01 实施日期:2000-11-01
发布日期:2012-05-31
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using an enveloping measurement surface over a reflecting plane
适用范围:总则 本标准规定了在包络声源的测量表面上测量声压级以计算噪声源声功率级的方法。同时给出了测试环境、测量仪器的要求以及表面声功率级的计算方法。声功率级的测定结果准确度等级为3级。 对于各种类型的设备,根据本标准...
发布日期:1996-05-27 实施日期:1996-12-01
Acoustics--Determination of sound power levels of noise sources using vibration velocity--Measurement for seal machinery
适用范围:本标准规定了用测量表面振动来确定机器表面振动所辐射的空气声功率的测量方法。此方法特别适用于那些由于背景噪声很高或其他环境影响较大而不可能按GB 3767,GB 3768,GB 6881,GB 6882,GB 10069等用声压法测定机器噪声的...
发布日期:1996-09-09 实施日期:1997-03-01
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method
适用范围:The document specifies a method for the simplified determination of the insertion loss of duct silencers intended for use with flows with velocities of 15 m/s or less. It is applicable for silencers wi...
实施日期:2010-01-01
Road traffic noise reducing devices. Test method for determining the acoustic performance. Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions
发布日期:2012-11-30 实施日期:2012-11-30
Acoustics -- Measurement and parametric description of spatial sound distribution curves in workrooms for evaluation of their acoustical performance
发布日期:2001-10-01 实施日期:2001-10-01
Noise abatement in town planning; noise maps; graphical representation of noise pollution
适用范围:This standard describes the manner in which the level of noise pollution at present and in future in any geographical area may be presented cartographically. The use of standardized cartographical symb...
Acoustics -- Measurement of room acoustic parameters -- Part 2: Reverberation time in ordinary rooms
适用范围:ISO 3382-2:2008 specifies methods for the measurement of reverberation time in ordinary rooms. It describes the measurement procedure, the apparatus needed, the required number of measurement positions...
发布日期:2008-06-01 实施日期:2008-06-01
Acoustics--Determination of sound power levels of noise sources--Precision methods and engineering methods for reverberation rooms
实施日期:1987-06-30
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