发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了在混响室中测量航空材料、机舱壁板或装饰板的吸声系数,以及测量座椅、人、空间吸声体的吸声量的方法。 本标准适用于在混响室中对材料、构件、空间吸声体的吸声系数声量测量,但不适用于测量弱阻尼共振器的吸声特性
Measurement of Sound Absorption Coefficient of Aeronautical Materials and Components by Reverberation Chamber Method
Sound Absorptive Prefabricated Acoustical Units
Sound Absorptive Prefabricated Acoustical Units
Fibrous Sound Absorber Materials
Acoustics-Sound absorbers for use in buildings-Rating of sound absorption
Air borne sound absorbent 8683 Sound absorbent with and without adhesive Luftljudsabsorbent 8683 Ljudabsorbent med och utan h鋐t鋗ne English/Swedish
이 규격은 다공성 음향 재료의 공기 흐름 저항을 결정하기 위한 두 가지 방법에 대해 규정하
Determination of airflow resistance for acoustical materials
This International Standard specifies two methods for the determination of the airflow resistance of porous materials for acoustical applications
Acoustics; materials for acoustical applications; determination of airflow resistance
Determination of airflow resistance for acoustical materials
Drapeability of Sound Absorber Material
本标准规定了多孔吸声材料流阻测量的两种方法。 试件可直接从多孔材料产品上裁切得到
Acoustics.Materials for acoustical applications.Determination of airflow resistance
Acoustic Absorbing Material for Exhaust Applications
Acoustic Emission Testing Method for Composite Structural Parts
Sound insulation and sound absorption materials. Methods of testing
This standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted into a single number
Acoustics - Sound absorbers for use in buildings - Rating of sound absorption
本标准规定了在混响室中测量航空材料、机舱壁板或装饰板的吸声系数,以及测量座椅、人、空间吸声体的吸声量的方法。 本标准适用于在混响室中对材料、构件、空间吸声体的吸声系数声量测量,但不适用于测量弱阻尼共振器的吸声特性
Measurement of Sound Absorption Coefficient of Aeronautical Materials and Components by Reverberation Chamber Method
Sound Absorptive Prefabricated Acoustical Units
Sound Absorptive Prefabricated Acoustical Units
Fibrous Sound Absorber Materials
Acoustics-Sound absorbers for use in buildings-Rating of sound absorption
Air borne sound absorbent 8683 Sound absorbent with and without adhesive Luftljudsabsorbent 8683 Ljudabsorbent med och utan h鋐t鋗ne English/Swedish
이 규격은 다공성 음향 재료의 공기 흐름 저항을 결정하기 위한 두 가지 방법에 대해 규정하
Determination of airflow resistance for acoustical materials
This International Standard specifies two methods for the determination of the airflow resistance of porous materials for acoustical applications
Acoustics; materials for acoustical applications; determination of airflow resistance
Determination of airflow resistance for acoustical materials
Drapeability of Sound Absorber Material
本标准规定了多孔吸声材料流阻测量的两种方法。 试件可直接从多孔材料产品上裁切得到
Acoustics.Materials for acoustical applications.Determination of airflow resistance
Acoustic Absorbing Material for Exhaust Applications
Acoustic Emission Testing Method for Composite Structural Parts
Sound insulation and sound absorption materials. Methods of testing
This standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted into a single number
Acoustics - Sound absorbers for use in buildings - Rating of sound absorption