Results 201 to 210 of about 6,886 (258)

Moth-Wing-Inspired Multifunctional Metamaterials. [PDF]

Adv Mater
Pei H, Yang H, Zhang N, Li T, Wang X, Zhao M, Ding S, Wang X, Lv Q, Xu Z, Chen Y, Li X, Zhai W.   +12 more
europepmc   +1 more source

The Last Line

Critical Quarterly, EarlyView.
Beci Carver
wiley   +1 more source

Jorge Luis Borges' Medieval Aesthetics of Failure

Critical Quarterly, EarlyView.
Irina Dumitrescu
wiley   +1 more source

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Absorption of Sound in Insulators

Physical Review, 1961
The theory of sound attenuation in structurally perfect dielectric crystals is extended and applied to recent experiments on the absorption of acoustic waves in crystalline quartz at frequencies from ${10}^{9}$ cps to 2.4\ifmmode\times\else\texttimes\fi{}${10}^{10}$ cps.
Woodruff, T. O., Ehrenreich, H.
openaire   +1 more source

Sound insulating apparatus

The Journal of the Acoustical Society of America, 1987
A sound insulating apparatus. Heretofore, the sound insulating apparatus to be installed in a ventilator, etc. of an architecture requires a long duct, and becomes large in its size and heavy in its weight, and is not sufficient in its sound absorbing performance. The sound insulating apparatus according to the present invention comprises a closed
K. Iida, K. Mizuno, M. Yamaguchi, K. Kondo   +3 more
openaire   +1 more source

Sound Insulation of Multi-Storey Houses — A Summary of Finnish Impact Sound Insulation Results

Building Acoustics, 2000
Evidently a wooden house can be built so that modern requirements for both airborne and impact sound insulation are met with sufficient margins. However, low-frequency impact sounds produced by walking may be either audible to the building occupants or felt by them as non-audible vibrations. It is clear that the present rating methods
openaire   +2 more sources

Bench Studies of Sound Insulation Materials and Vacuum Sound Insulation Panel

Material and Mechanical Engineering Technology
There is a problem of protection from high-level sound of city residents, employees of enterprises; to a greater extent, in the workshops of machine-building factories, for example, during stamping, forging and other metalworking processes. Specialists and maintenance personnel are exposed to high-intensity noise near powerful agitators, pumps, engines
M Lemeshko, I Zanina, E Kostromina, N Salikova   +3 more
openaire   +1 more source

Sound insulation system

The Journal of the Acoustical Society of America, 2006
A sound insulation system for use with a vehicle includes a layer of fibrous padding material having a first surface and an opposite second surface. The first surface includes multiple spaced apart recesses. The second surface includes a substantially flat surface portion that extends over two adjacent recesses.
openaire   +1 more source

Sound Insulating Board

The Journal of the Acoustical Society of America, 2012
The invention relates to a sound-insulating board, in particular a footfall insulating board for laminate floors or similar applications. The sound-insulating board is distinguished by a continuous transition of its density from the one large-area side to the other large-area side of the board and comprises a mixture of unglued wood fibers, a binder ...
openaire   +1 more source

Sound Insulation

Noise Control Engineering Journal, 2009
Carl Hopkins, Heinrich A. Metzen
openaire   +2 more sources