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2 2005

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The Study of the Micropolarity of the Interfaces in Iridescent Solutions of Tetradecyldimethylaminoxid

Jakubowska A., Dutkiewicz E.

Polish Journal of Chemistry

2005

Vol. 79 / nr 1

129-134

We have studied the micropolarity of the interfaces in iridescent solutions of tetradecyldimethylaminoxid (C14DMAO) on increasing the mean distance between the bilayers. The values of the effective dielectric constant have been determined both on and under the surface of the bilayers, i.e. on the bulk water side, and on the micelle hydrocarbon interior side, respectively. For the surface region and micelle interior, hexaldehyde and pyrene were used as the polarity probes, respectively. Interpretation of the obtained results indicates that the micropolarity of the interfaces depends on the thickness of the bilayers, and does not depend on the mean distance between the lamellar layers.

Reflection of plane waves from the boundaries of a micropolar thermoelastic half-space without energy dissipation

Kumar R., Sharma J. N.

International Journal of Applied Mechanics and Engineering

2005

Vol. 10, no 4

631-645

The present study is concerned with the reflection of plane waves in a micropolar thermoelastic half-space without energy dissipation. The reflection coefficients of various reflected waves with angle of incidence for thermaIly insulated and isothermal boundaries have been obtained. Thermal and micropolarity effects on these reflection coefficients have been shown graphicaIly. Some special cases have been deduced.