Fleming Martínez

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The solubility of naproxen in binary mixtures of polyethylene glycol 200 (PEG 200) + water at the temperature range from 298.0 K to 318.0 K were reported. The combinations of Jouyban-Acree model + van't Hoff and Jouyban-Acree model + partial solubility parameters were used to predict the solubility of naproxen in PEG 200 + water mixtures at different(More)
The molar (K(C)(o/w)) and rational (K(X)(o/w)) partition coefficients in the octanol/buffer, i-propyl myristate/buffer, chloroform/buffer, and cyclohexane/buffer systems were determined for acetanilide and phenacetin at 25.0, 30.0, 35.0, and 40.0 degrees C. In all cases except for cyclohexane, the K(C)(o/w) and K(X)(o/w) values were greater than unity. This(More)
Speech can be considered as being generated by mechanical systems with inherently nonlinear dynamics. Recently, several techniques are applied in the analysis of dynamic nonlinear systems in order to evidence and analyze some short-time nonlinear characteristics of speech production. In order to obtain an estimation of the system complexity, in this paper(More)
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