Results 121 to 130 of about 8,794 (236)
Modern, electrically operated heat pumps are characterized by a high degree of efficiency and represent an attractive alternative to conventional heating systems. However, the noise emissions from heat pumps installed outside can lead to increasing noise
Sebastian Wagner, Yohko Aoki
doaj +1 more source
Predicting the sound reduction of building elements from material data
The airborne and impact sound reduction of building elements are important quantities to compare the acoustic performance of products and to apply as input for prediction models for the acoustic performance of buildings.
Eddy Gerretsen +2 more
core +1 more source
When Cubic is Not Isotropic: Phonon–Exciton Decoupling in CuInSnS4 Single Crystals
A cubic CuInSnS4 crystal does not fully play by cubic rules. While phonons follow the average iso‐tropic lattice symmetry, the disorder‐localized excitons break away, showing strong, and reproduci‐ble polarization‐dependent emission. This work shows how intrinsic cation disorder can turn a mac‐roscopically cubic material into a source of hidden ...
Lara Kim Linke +11 more
wiley +1 more source
XIV International Conference Noise Control'07 Elbląg, Poland, June 3-6, 2007
Noise Control is the most important international acoustics conference regularly organized in Poland. The XIV International Conference Noise Control'07 is taking place between June 3 and 6, 2007 in Elbląg.
Wiktor M. ZAWIESKA
doaj
Origin and early activities in acoustics at the Technical University of Denmark⋆
Acoustic research and other activities at the Technical University of Denmark can be traced back to 1935, although it was not until 1966 that the university established an acoustical laboratory with new laboratory facilities of very high quality.
Rindel Jens Holger +1 more
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In a first treatise on vowel acoustics, entitled Preliminaries, intellectual, methodological and empirical reasoning was exposed that gives rise to scepticism about the prevailing acoustic theory of the vowel, the formant theory. In this second treatise,
Maurer, Dieter
core +1 more source
Design and simulation of a benchmark room for room acoustic auralizations
In order to achieve accurate acoustic simulations of a room for obtaining an authentic auralization, the following aspects need to be quantified: the geometrical details of the room, all material properties and the characteristics of the source and the ...
Robinson, Philip W. +6 more
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Contribution of Prof. I. Malecki to the Polish School of Acoustics
A detailed study of the history of the Polish acoustics does not exist. The easiest way to present such a history might consist in describing the activity of separate teams, gathered around several leading personalities.
J. RANACHOWSKI
doaj
Introduction: In Iran country, there is a lack of reliable data on acoustic characteristics of building materials applied in the offices and industrial rooms.
Mohsen Aliabadi +3 more
doaj
A Building Design and Evaluation System
Within the field of architectural design there is a growing awareness of imbalance among the professionalism, the experience, and the creativity of the designers'response to the up-to-date requirements of all parties interested in the design process. The
E. Hacfoort, J. Veldhuisen
core

