Relevant bibliographies by topics / Sound attenuation spectroscopy

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Sound attenuation spectroscopy'

Author: Grafiati
Published: 4 June 2021
Last updated: 19 February 2022

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Journal articles on the topic "Sound attenuation spectroscopy"

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Benassi, P., M. Nardone, and A. Giugni. "Sound dispersion and attenuation in concentrated H2SO4 by visible and ultraviolet Brillouin spectroscopy." Journal of Chemical Physics 135, no. 3 (2011): 034503. http://dx.doi.org/10.1063/1.3609975.

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Kubo, Kohjiro, Tomohisa Norisuye, Thao Nguyen Tran, Daisuke Shibata, Hideyuki Nakanishi, and Qui Tran-Cong-Miyata. "Sound velocity and attenuation coefficient of hard and hollow microparticle suspensions observed by ultrasound spectroscopy." Ultrasonics 62 (September 2015): 186–94. http://dx.doi.org/10.1016/j.ultras.2015.05.016.

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Zhou, Lu Jun, Qiang Chen, and Jian Qing Fang. "Acoustic Resonance Spectroscopy for Hazards Materials Classification." Applied Mechanics and Materials 427-429 (September 2013): 686–90. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.686.

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In this paper, a measure system based on acoustic resonance is developed for hazards materials classification. It employs the lock-in amplifier as core processor to collect the acoustic resonance spectroscopy (ARS) of sealed containers which storied hazards materials. The transmitter and receiver are coupled externally to the wall of the container. The transmitter generates the sound by using a swept frequency source. The receiver on the opposite side of the wall of the container can detect the transmitted signal. The acoustic properties of hazards materials such as velocity and attenuation ca
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Józefczak, Arkadiusz, Tomasz Hornowski, Anita Król, Matúš Molčan, Błażej Leszczyński, and Milan Timko. "The Effect of Sonication on Acoustic Properties of Biogenic Ferroparticle Suspension." Archives of Acoustics 41, no. 1 (2016): 161–68. http://dx.doi.org/10.1515/aoa-2016-0016.

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Abstract Superparamagnetic iron oxide nanoparticles (SPION) synthesised chemically usually need the modification of the particle surface. Other natural sources of magnetic particles are various magnetotactic bacteria. Magnetosomes isolated from magnetotactic bacteria are organelles consisting of magnetite (Fe3O4) or greigite (Fe3S4) crystals enclosed by a biological membrane. Magnetotactic bacteria produce their magnetic particles in chains. The process of isolation of magnetosome chains from the body of bacteria consists of a series of cycles of centrifugation and magnetic decantation. Using
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Spiekermann, Georg, Ilya Kupenko, Sylvain Petitgirard, et al. "A portable on-axis laser-heating system for near-90° X-ray spectroscopy: application to ferropericlase and iron silicide." Journal of Synchrotron Radiation 27, no. 2 (2020): 414–24. http://dx.doi.org/10.1107/s1600577519017041.

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A portable IR fiber laser-heating system, optimized for X-ray emission spectroscopy (XES) and nuclear inelastic scattering (NIS) spectroscopy with signal collection through the radial opening of diamond anvil cells near 90°with respect to the incident X-ray beam, is presented. The system offers double-sided on-axis heating by a single laser source and zero attenuation of incoming X-rays other than by the high-pressure environment. A description of the system, which has been tested for pressures above 100 GPa and temperatures up to 3000 K, is given. The XES spectra of laser-heated Mg0.67Fe0.33O
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Chukwunonye, C. U., Nicholas J. Jones, and Gabriela Petculescu. "Sensitization in Aluminum Alloys: Effect on Acoustic Parameters." Corrosion 74, no. 11 (2018): 1237–44. http://dx.doi.org/10.5006/2832.

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Velocity and attenuation of shear and longitudinal sound waves were measured as a function of sensitization level in AA5083-H116 and AA5456-H116 aluminum alloys using two different techniques: resonant ultrasound spectroscopy (RUS) and pulse echo (PE). The frequency range for RUS was 0.3 MHz to 1 MHz. For PE, longitudinal 3.5 MHz and shear 1 MHz transducers were used. Sensitization was artificially induced in the laboratory by isothermally heating specimens at temperatures of 120°C, 175°C, 185°C, and 240°C for fixed periods of time (12 h to 96 h, the longer times for the lower temperatures). M
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Hurtado-Aviles, Eric Abraham, Jesús Alejandro Torres, Martín Trejo-Valdez, Christopher René Torres-SanMiguel, Isaela Villalpando, and Carlos Torres-Torres. "Ultrasonic Influence on Plasmonic Effects Exhibited by Photoactive Bimetallic Au-Pt Nanoparticles Suspended in Ethanol." Materials 12, no. 11 (2019): 1791. http://dx.doi.org/10.3390/ma12111791.

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The optical behavior exhibited by bimetallic nanoparticles was analyzed by the influence of ultrasonic and nonlinear optical waves in propagation through the samples contained in an ethanol suspension. The Au-Pt nanoparticles were prepared by a sol-gel method. Optical characterization recorded by UV-vis spectrophotometer shows two absorption peaks correlated to the synergistic effects of the bimetallic alloy. The structure and nanocrystalline nature of the samples were confirmed by Scanning Transmission Electron Microscopy with X-ray energy dispersive spectroscopy evaluations. The absorption o
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Haghdoost, Fatemeh, Vahid Mottaghitalab, and Akbar Khodaparast Haghi. "Comfortable textile-based electrode for wearable electrocardiogram." Sensor Review 35, no. 1 (2015): 20–29. http://dx.doi.org/10.1108/sr-08-2013-719.

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Purpose – The purpose of the current study is to explore the potential possibility of acceleration in recognition, remedial process of heart disease and continuous electrocardiogram (ECG) signal acquisition. The textile-based ECG electrode is prepared by inkjet printing of activator followed by electroless plating of nickel (Ni) particle. Design/methodology/approach – The electrical resistance shows a range of around 0.1 Ω/sq, which sounds quite proper for ECG signal acquisition, as the potential difference according to heart activity on skin surface is in milivolt range. Surface modifications
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Kohutych, Anton, Ruslan Yevych, Sergij Perechinskii, and Yulian Vysochanskii. "Acoustic attenuation in ferroelectric Sn2P2S6 crystals." Open Physics 8, no. 6 (2010). http://dx.doi.org/10.2478/s11534-010-0016-x.

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AbstractThe temperature and frequency dependencies of sound attenuation for the proper uniaxial ferroelectric Sn2P2S6, which has a strong nonlinear interaction of the polar soft optic and fully symmetrical optic modes that is related to the triple well potential, were studied by Brillouin spectroscopy. It was found that the sound velocity anomaly is described in the Landau-Khalatnikov approximation with one relaxation time. For explanation of the observed temperature and frequency dependencies of the sound attenuation in the ferroelectrric phase, the accounting of several relaxation times is n
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10

Cutroni, M., and A. Mandanici. "Relaxation Dynamics of Glass-Forming Liquids Studied by Ultrasonic Spectroscopy: Stretched Response of Supercooled Ethylbenzene." MRS Proceedings 754 (2002). http://dx.doi.org/10.1557/proc-754-cc5.4.

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ABSTRACTGlass forming liquids exhibit their strong or fragile behaviour as a function of temperature, featuring a smaller or greater deviation from a simple Arrhenius law. The size of such deviation on a typical time scale of 10-6 s characterizes the ‘kinetic fragility’ F1/2 of a given material. Ultrasonic experiments in the MHz region are then suitable to show how the relaxational properties are influenced by the ‘fragile’ character of the liquid investigated. On this basis, measurements of acoustic attenuation at fixed frequency (15 MHz) have been performed on glass forming liquid ethylbenze
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Dissertations / Theses on the topic "Sound attenuation spectroscopy"

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Babick, Frank. "Schallspektroskopische Charakterisierung von submikronen Emulsionen." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1112809488055-07176.

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Zu den wenigen Methoden, die sich für eine prozessnahe Charakterisierung von dispersen Stoffsystemen bezüglich der Partikelgrößenverteilung eignen, zählt die Schalldämpfungsspektroskopie. Dennoch ist ihr Einsatz in der industriellen Praxis auf einen überschaubaren Bereich an Messaufgaben und Stoffsystemen beschränkt. Insbesondere findet sie kaum Einsatz für die Partikelgrößenanalyse von submikronen Emulsionen. Die vorliegende Arbeit macht es sich deshalb zum Ziel, ausgehend von grundsätzlichen Überlegungen die Eignung der Schalldämpfungsspektroskopie zur prozessnahen Charakterisierung des Disp
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Babick, Frank. "Schallspektroskopische Charakterisierung von submikronen Emulsionen." Doctoral thesis, [S.l.] : [s.n.], 2004. http://deposit.ddb.de/cgi-bin/dokserv?idn=974408689.

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