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pro vyhledávání: '"Ethan Brush"'
Autor:
Ethan Brush, Matthew Golden
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 264:717-726
Previous work by Golden and others have shown that a specialized drop tower measurement setup can be used to repeatedly test fitness flooring performance in a controlled environment. Such measurements provide a force time history for heavy weights dr
Autor:
Ethan Brush, Marc Newmark
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 264:727-734
Construction sites can be a significant source of noise and vibration. This can be a particular concern to nearby facilities that are sensitive to noise and vibration (healthcare, laboratory, museum, data centers, etc.). Managing the impact on neighb
Publikováno v:
The Journal of the Acoustical Society of America. 144:1787-1788
Spin classes utilize sound systems that generate levels in excess of 115 dBA, with subwoofers to match. Gyms located in office buildings feature Olympics style weight lifting technique that involves dropping 200 lb (or more) barbells from shoulder or