Results 11 to 20 of about 9,353,121 (336)

The effect of surface structure on the sound absorption properties of porous glass

open access: yesXi'an Gongcheng Daxue xuebao, 2021
In order to study the influence of the surface structure of full-bore porous glass on its sound absorption properties, the surface was punched twice, the influence of surface structure parameters on the sound absorption properties of full-bore porous ...
Xubo ZHANG   +5 more
doaj   +1 more source

Acoustic Properties of Aerogels: Current Status and Prospects

open access: yesAdvanced Engineering Materials, 2022
Noise reduction remains an important priority in the modern society, in particular, for urban areas and highly populated cities. Insulation of buildings and transport systems such as cars, trains, and airplanes has accelerated the need to develop ...
T. Budtova   +7 more
semanticscholar   +1 more source

Factors Affecting Acoustic Properties of Natural-Fiber-Based Materials and Composites: A Review

open access: yesTextiles, 2021
Recently, very rapid growth has been observed in the innovations and use of natural-fiber-based materials and composites for acoustic applications due to their environmentally friendly nature, low cost, and good acoustic absorption capability.
Tufail Hassan   +6 more
semanticscholar   +1 more source

Depositional and Diagenetic Controls on Macroscopic Acoustic and Geomechanical Behaviors in Wufeng-Longmaxi Formation Shale

open access: yesFrontiers in Earth Science, 2021
This integrated study provides significant insight into parameters controlling the dynamic and static elastic behaviors of shale. Acoustic and geomechanical behaviors measurement from laboratory have been coupled with detailed petrographic and ...
Jixin Deng   +8 more
doaj   +1 more source

Acoustic properties across the human skull

open access: yesbioRxiv, 2021
Transcranial ultrasound is emerging as a noninvasive tool for targeted treatments of brain disorders. Transcranial ultrasound has been used for remotely mediated surgeries, transient opening of the blood-brain barrier, local drug delivery, and ...
T. Riis, Taylor D. Webb, J. Kubanek
semanticscholar   +1 more source

Acoustic Properties of Larch Bark Panels

open access: yesForests, 2021
The potential of tree bark, a by-product of the woodworking industry, has been studied for more than seven decades. Bark, as a sustainable raw material, can replace wood or other resources in numerous applications in construction.
E. Tudor   +6 more
semanticscholar   +1 more source

Mechanical and Acoustic Performance of Plantain (Musa Paradisiacal) Fibre Reinforced Epoxy Bio-Composite

open access: yesJournal of Natural Fibers, 2022
Natural fiber-reinforced polymer biocomposites are very attractive materials utilized for many applications owing to their high mechanical and acoustic properties.
Patrick Ehi Imoisili, Tien-Chien Jen
doaj   +1 more source

A blood-mimicking fluid with cholesterol as scatter particles for wall-less carotid artery phantom applications

open access: yesJournal of Ultrasonography, 2021
Aim of the study: At present, there are few scatter particles used in preparing blood-mimicking fluids, such as nylon, sephadex, polystyrene microsphere, and poly(4-methystyrene).
Dakok Kyermang Kyense   +4 more
doaj   +1 more source

ACOUSTIC PROPERTIES OF THE MODERN LANDSCAPE: PROBLEMS OF KNOWLEDGE AND PROSPECTS OF RESEARCH

open access: yesЛандшафтознавство, 2023
The problem of research of acoustic properties of a modern landscape is considered; the analysis of foreign and domestic experience of knowledge of these properties, and also understanding of concept «sound landscape» is carried out; It is noted that ...
Hryhoriy Denysyk   +2 more
doaj   +1 more source

The Swallowing and Voicing Characteristics of Pharyngeal Dystonia: A Single Case Report

open access: yesSouth African Journal of Communication Disorders, 2001
This paper describes the swallowing difficulty and abnormal voicing characteristics of a subject with pharyngeal dystonia. This rare form of dystonia, considered to be a neurological condition resulting in involuntary spasm of the muscles of the pharynx,
Loren Kahn, Heila Jordaan
doaj   +1 more source

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