Some features of the temperature dependence of the hypersonic velocity in an aqueous solution of tertiary butyl alcohol
L. M. SabirovNavoi Samarkand State University, Universitetskii bul’ v. 15, Samarkand, 140104, UzbekistanD. I. SemenovNavoi Samarkand State University, Universitetskii bul’ v. 15, Samarkand, 140104, UzbekistanT. M. UtarovaNavoi Samarkand State University, Universitetskii bul’ v. 15, Samarkand, 140104, UzbekistanK. KhaidarovNavoi Samarkand State University, Universitetskii bul’ v. 15, Samarkand, 140104, Uzbekistan
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Аннотация
The dependence of the hypersonic velocity V in an aqueous solution of tertiary butyl alcohol on the solution temperature t has been measured from the Mandelshtam-Brillouin scattering spectra. A change in the temperature derivative of the velocity, dV/dt, in a narrow range from ≈43 to ≈44°C, with jumps at its boundaries, is revealed. The measurement results and their comparison with the previous data indicate the existence of structural transitions with respect to temperature and concentration in these solutions.
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