Results 41 to 50 of about 444,257 (298)

Acoustic properties of /h/ [PDF]

open access: yesThe Journal of the Acoustical Society of America, 1989
The aim of this paper is twofold: (1) to investigate the physical mechanisms of sound generation for the consonant /h/ and (2) to examine the timing of supraglottal and glottal movements of /h/. Utterances in which /h/ was present or absent (e.g., “new heart” versus “new art”) were analyzed acoustically and contrasted.
Sharon Y. Manuel, Kenneth N. Stevens
openaire   +1 more source

Confinement effects on the vibrational properties of III-V and II-VI nanoclusters

open access: yes, 2012
We present a first-principles study of the confinement effects on the vibrational properties of thousand atoms (radii up to 16.2 {\AA}) colloidal III-V and II-VI nanoclusters.
Bester, Gabriel, Han, Peng
core   +1 more source

Photoacoustic technique for the characterization of plasmonic properties of 2D periodic arrays of gold nanoholes [PDF]

open access: yes, 2017
We apply photo-acoustic (PA) technique to examine plasmonic properties of 2D periodic arrays of nanoholes etched in gold/chromium layer upon a glass ...
Bovino, FABIO ANTONIO   +4 more
core   +2 more sources

Nano-crystalline inclusions as a low-pass filter for thermal transport in a-Si

open access: yes, 2015
We use atomistic simulations to study the resonant acoustic modes and compare different calculations of the acoustic mean-free path in amorphous systems with nanometric crystalline spherical inclusions.
Damart, Tanguy   +2 more
core   +3 more sources

Influence of cross-section geometry and wire orientation on the phonon shifts in ultra-scaled Si nanowires [PDF]

open access: yes, 2011
Engineering of the cross-section shape and size of ultra-scaled Si nanowires (SiNWs) provides an attractive way for tuning their structural properties. The acoustic and optical phonon shifts of the free-standing circular, hexagonal, square and triangular
Klimeck, Gerhard   +2 more
core   +3 more sources

Acoustic properties of 15-5 PH maraging steel after energy deposition

open access: yesFrontier Materials & Technologies
The study of the acoustic properties of maraging steels operated under various energy force and temperature actions is a critical task, since it is the method of acoustic structuroscopy that provides the most reliable connection with the structure ...
Olga V. Muravieva   +4 more
doaj   +1 more source

Electric, Magnetic, Acoustic Properties and Viscosity of Liquid Crystals [PDF]

open access: yesBiuletyn Wojskowej Akademii Technicznej
In the paper, the viscosity and the electric, magnetic and acoustic properties of liquid crystals, especially nematics, are discussed.All these properties are very important for applications of liquid crystals, and all of them are anisotropic.
Stanisław Kłosowicz   +2 more
doaj   +1 more source

Sound-Absorbing and Thermal-Insulating Properties of Cement Composite Based on Recycled Rubber from Waste Tires

open access: yesApplied Sciences, 2021
This article describes an experimental study aimed at investigating the potential use of recycled rubber granulate from waste tires of fractions 0/1 and 1/3 mm in cement composites as a 100% replacement for natural aggregates.
Jakub Svoboda   +6 more
doaj   +1 more source

Assessment of acoustic and thermal properties of airtight wooden windows used in Baltic and Scandinavian countries

open access: yesJournal of Environmental Engineering and Landscape Management, 2019
Windows are the one of the most important elements of a building envelope. Windows with appropriate acoustic and thermal properties can guarantee comfort and protection of indoor environment.
Kęstutis Miškinis   +3 more
doaj   +1 more source

Physical Properties and Environmental Impact of Sound Barrier Materials Based on Fly Ash Cenosphere

open access: yesBuildings, 2022
Traffic noise and solid waste pollution are two major problems that restrict urban development and affect urban environments. In this study, a new kind of cement-based material for sound barriers was prepared using industrial waste fly ash cenosphere to ...
Hui Xie   +5 more
doaj   +1 more source

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