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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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
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
Acoustique - Absorbants pour l'utilisation dans les bâtiments - Évaluation de l'absorption acoustique.
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
Acoustics-Sound absorbers for use in buildings-Rating of sound absorption
Fibrous Sound Absorber Materials
本标准规定了用脉冲管法、自由场法和压力罐近场法测量水声材料样品插入损失、回声降低和吸声系数的测量方法、测量条件、测量装置和测量不确定度。 本标准适用于水声材料及构件样品插入损失、回声降低和吸声系数的测量,其中脉冲管法适用于小样品的测量,自由场法和压力罐近场法适用于不同频段的大样品测量
Acoustics.Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samples
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
1 This International Standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted
Acoustics — Sound absorbers for use in buildings — Rating of sound absorption
Prezentul standard se refer? la determinarea coeficientului de absorb?ie acustic?, a0 ?i a impedan?ei acustice ale materialelor, prin metoda ir
Builiding acoustics. Determination of absorption coefficient and acoustic impedance of materials by sound interferometer method
1 This International Standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted
Acoustics - Sound absorbers for use in buildings - Rating of sound absorption
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
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
Acoustique - Absorbants pour l'utilisation dans les bâtiments - Évaluation de l'absorption acoustique.
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
Acoustics-Sound absorbers for use in buildings-Rating of sound absorption
Fibrous Sound Absorber Materials
本标准规定了用脉冲管法、自由场法和压力罐近场法测量水声材料样品插入损失、回声降低和吸声系数的测量方法、测量条件、测量装置和测量不确定度。 本标准适用于水声材料及构件样品插入损失、回声降低和吸声系数的测量,其中脉冲管法适用于小样品的测量,自由场法和压力罐近场法适用于不同频段的大样品测量
Acoustics.Measurement methods of insertion loss,echo reduction and sound absorption coefficient for underwater acoustical material samples
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
1 This International Standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted
Acoustics — Sound absorbers for use in buildings — Rating of sound absorption
Prezentul standard se refer? la determinarea coeficientului de absorb?ie acustic?, a0 ?i a impedan?ei acustice ale materialelor, prin metoda ir
Builiding acoustics. Determination of absorption coefficient and acoustic impedance of materials by sound interferometer method
1 This International Standard specifies a method by which the frequency-dependent values of the sound absorption coefficient can be converted
Acoustics - Sound absorbers for use in buildings - Rating of sound absorption