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・ Acqua Fuori Dal Ring
・ Acqua Grylli
・ Acqua Limone
・ Acqua Minerale San Benedetto
・ Acqua pazza
・ Acqua pazza (food)
・ Acqua pazza (wine)
・ Acqua Pia Antica Marcia
・ Acoustic music
・ Acoustic network
・ Acoustic Nights Montreal
・ Acoustic ohm
・ Acoustic paramagnetic resonance
・ Acoustic phase conjugation
・ Acoustic phonetics
Acoustic plaster
・ Acoustic quieting
・ Acoustic radiation
・ Acoustic radiation force
・ Acoustic radiation force impulse imaging
・ Acoustic radiation pressure
・ Acoustic reflex
・ Acoustic release
・ Acoustic Research
・ Acoustic resonance
・ Acoustic resonance spectroscopy
・ Acoustic resonance technology
・ Acoustic rheometer
・ Acoustic rhinometry
・ Acoustic Samurai


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Acoustic plaster : ウィキペディア英語版
Acoustic plaster
Acoustic plaster is plaster which contains fibres or aggregate so that it absorbs sound.
Such plaster is applied in thicknesses of up to 1.5 inches. As compared with other sound insulation, it is easy to apply and is fireproof but it can be more fragile, being affected by physical stress and humidity. Acoustic plaster is used in construction of rooms which require good acoustic qualities such as auditoria and libraries.
Proprietary types of acoustic plaster developed in the 1920s included Macoustic Plaster, Sabinite, Kalite, Wyodak, Old Newark and Sprayo-Flake produced by companies such as US Gypsum. These superseded felts and quilts as a common preference of architects but were difficult to apply and so were superseded in turn by acoustic tiles.
==References==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Acoustic plaster」の詳細全文を読む



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