Negative dispersion of high-frequency sound velocity in water solutions of nonelectrolytes
L. M. SabirovSamarkand State Univ. (Uzbekistan)Ya. T. TurakulovSamarkand State Univ. (Uzbekistan)
Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIEjournal2000en
ABI
Abstract
Temperature dependence of ultrasound and hypersound velocity close to singular point in acetone-water solution was studied. The method of simultaneous registration of Mandelshtam-Brillouin components on essentially different angles of light scattering allows to observe the negative dispersion of high-frequency sound.
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