A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sound absorbent treatments
Noise reduction by absorbents; types of absorbent, viz., porous materials, resonant panels and cavity resonators; composite absorbent treatment by using porous materials on solid backing; absorption of 3/8-in. plywood panels and of perforated plasterboard. Bldg Research Station Digest n 26.
Sound absorbent treatments
Noise reduction by absorbents; types of absorbent, viz., porous materials, resonant panels and cavity resonators; composite absorbent treatment by using porous materials on solid backing; absorption of 3/8-in. plywood panels and of perforated plasterboard. Bldg Research Station Digest n 26.
Sound absorbent treatments
Surveyor
1951
4 pages
Article (Journal)
English
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