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Local Sound Speed Estimation for Pulse-Echo Ultrasound in Layered Media [PDF]
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, 2022 Ramasamy Paulmurugan +2 more
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Biopolymers, 1984
AbstractWe have used Brillouin scattering to determine the speed of sound in (and hence longitudinal modulus of) A‐ and B‐DNA fibers. The speed of sound is very sensitive to the degree of hydration of the fibers, and measurements have to be made at laser powers below 5 mW to avoid local heating and dehydration.
M B, Hakim, S M, Lindsay, J, Powell
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AbstractWe have used Brillouin scattering to determine the speed of sound in (and hence longitudinal modulus of) A‐ and B‐DNA fibers. The speed of sound is very sensitive to the degree of hydration of the fibers, and measurements have to be made at laser powers below 5 mW to avoid local heating and dehydration.
M B, Hakim, S M, Lindsay, J, Powell
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The Physics of Fluids, 1959
In a high-temperature gas, the speed of sound depends upon the chemical composition, sound frequency, and chemical reaction rates. Two limiting sound speeds are normally distinguished: that of ``frozen'' or constant chemical composition, and the ``equilibrium'' sound speed.
Gross, R. A., Eisen, C. L.
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In a high-temperature gas, the speed of sound depends upon the chemical composition, sound frequency, and chemical reaction rates. Two limiting sound speeds are normally distinguished: that of ``frozen'' or constant chemical composition, and the ``equilibrium'' sound speed.
Gross, R. A., Eisen, C. L.
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Laplace and the Speed of Sound
Isis, 1964OR A CENTURY and a quarter after Isaac Newton initially posed the problem in the Principia, there was a very apparent discrepancy of almost 20 per cent between theoretical and experimental values of the speed of sound. To remedy such an intolerable situation, some, like Newton, optimistically framed additional hypotheses to make up the difference ...
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2017
This chapter sketches the history of U.S–French electronic communications prior to the rise of U.S.–French radio broadcasting. Focusing primarily on France, it analyzes the anticipatory and reactive discourses to live interwar transatlantic broadcast connectivity with the United States.
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This chapter sketches the history of U.S–French electronic communications prior to the rise of U.S.–French radio broadcasting. Focusing primarily on France, it analyzes the anticipatory and reactive discourses to live interwar transatlantic broadcast connectivity with the United States.
openaire +2 more sources