Results 51 to 60 of about 1,533 (215)
Reliable Data Transmission Scheme for Perception Layer of Internet of Underwater Things (IoUT)
IEEE Access, 2022 Internet of Underwater things (IoUT) is growing into one of the most important research interests since the last few decades. The primary objective of IoUT is to develop a worldwide network of smart underwater-interconnected objects.
Noshina Ishaque, Muhammad Awais Azam
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Advanced Intelligent Systems, Volume 7, Issue 3, March 2025.A novel method for generating versatile standing wave fields using an acoustic metasurface deflector and retroreflector is introduced. By overcoming traditional constraints of parallel surfaces, the approach enables customizable wave patterns and enhances applications in particle manipulation.
Chadi Ellouzi +4 more
wiley +1 more source
Phononic glass: A robust acoustic-absorption material [PDF]
, 2012 In order to achieve strong wide band acoustic absorption under high hydrostatic pressure, an interpenetrating network structure is introduced into the locally resonant phononic crystal to fabricate a type of phononic composite material called " ...
Chinese Acad Sci, Inst Mech, Key Lab Micrograv Sci, Beijing 100190, Peoples R China. +3 more
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Guiding and Manipulating Light Fields in Microstructured Liquid Crystals
Advanced Physics Research, EarlyView.This review summarizes recent advances in guided‐wave optics enabled by microstructured liquid crystal (LC) devices, covering their fundamental material properties, key degree of freedom for dynamic light field manipulations. The advances of linear guided‐wave optics, nonlinear‐optics with spatial optical solitons, and microlasers in LC‐based devices ...
Shan‐shan Chang +2 more
wiley +1 more source
Estudo de modelos de propagação sonora no oceano para calculo da perda de transmissão a longa distancia em lamina de aguas rasas [PDF]
, 1993 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro TecnologicoA propagação de ondas sonoras em águas oceânicas é objeto de estudo de vários segmentos de pesquisadores no âmbito mundial.
Reinas, Joseval
core
, 2021 We present a low-frequency sound-absorbing metamaterial for underwater applications and verify that its sound-absorbing coefficient reaches above 0.7 within 45 to 300 Hz bandwidth and remains more than 0.9 within 110 to 300 Hz bandwidth by finite element
Qi, Zhengpan +7 more
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Advanced Physics Research, EarlyView.This comprehensive density functional theory analysis investigates the structural, electronic, optical, mechanical, and thermoelectric properties of FeSi, c‐RhSi, and o‐RhSi. Results reveal distinct electronic and optical contrasts among the materials.
Md Farhan Hassan +4 more
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Does ESG Performance Reduce Default Risk in Insurance Firms? Evidence From Life and Non‐Life Sectors
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT This study examines whether environmental, social, and governance performance is associated with lower default risk in European insurance firms, and whether the strength of this association differs between life and non‐life business models.
S. Miani, M. Mantovani, E. Palmieri
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Results in EngineeringThis study explores the application of double-walled carbon nanotubes (DWCNTs) in underwater acoustic materials, aiming to overcome the low-frequency absorption limitations of traditional materials.
Junyu Li +4 more
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Surface hydration‐induced damage in tight oil‐bearing sandy conglomerate reservoirs
Deep Underground Science and Engineering, EarlyView.A series of techniques such as X‐ray diffraction, scanning electron microscopy, energy‐dispersive spectroscopy, conductivity tests, and infrared thermal imaging were used. The key findings are the identification of a two‐stage surface hydration process and the elucidation of the effects of various minerals and elements on the hydration process ...
Anbang Zhao +5 more
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