Acta Physica Academiae Scientiarum Hungaricae 45. (1978)

1978 / 1. szám

Tomus 45 R. Cavalheiro and M. M. Shukla: Lattice Dynamics of Magnesium on Extended de Launay Model ...................................................................................................................................... 3 A. Rai, M. Gaur and R. Ram: Propagation of Weak MHD Discontinuities in an Optically Thin Medium ................................................................................................................... 9 A. Basa: Some Boundary Value Problems in Magneto-Elastodynamics............................... 15 R. Gáspár and R. Gáspár Jr.: Bond Orbital Model of Molecules. The Model Potential Approach ................................................................................................................................ 27 N. M. Plakida and T. Siklós: Lattice Dynamics and Stability of Anharmonic Crystals ... 37 R. Cavalheiro and M. M. Shukla: Lattice Dynamics of Chromium on Extended de Launay Model ...................................................................................................................................... 75 P. Singh and D. K. Bhattacharya: Application of G.P.D.P. to Thermal Boundary Layer 81 Д. Л. Беке, Ф. Ревес, Ф. Й. Redeem, Й. Геденъ и Й. Фелсерфами: О движении и кинети­ческих формах пор в диффузионной зоне чистемы КС1—КВг................................. 87 K. S. Shirkot and S. Singh: Unsteady Combined Free and Forced Convection Effects on the Flow in a Horizontal Channel............................................................................................ 97 T. Singh and R. B. S. Yadav: Cylindrically Symmetric Self-Gravitating Fluids with Pressure Equal to Energy Density .................................................................................... 107 R. Shankar and S. K. Jain: Formation of Shock Waves in Dissociating Gases................... 113 R. Gáspár and I. Koós: Calculations in a Model Potential Field for the Isoelectronic Scries of the Li Atom .................................................................................................................... 123 R. Kçpa: The Analysis of the Herzberg System in the 13CleO and Partly in the 12CleO Mo­lecules ........................................................................................................................................ 133 L. B. Rédei: Bound for the Harmonic Oscillator Greens Function ...................................... 149 M. K. El-Mously, M. F. Kotkata and S. A. Mäzen: Effect of Bi on the Annealing Kinetics of Amorphous As2Se3 ........................................................................................................... 153 L. M. Srivastava and R. P. Agarwal: On Unsteady Viscous MHD Flow through a Porous Channel with Constant Suction ...................................................................................... 163 T. M. Karade: On Stationary Spherically Symmetric Cluster of Particles........................... 171 V. Vidyanidhi and V. Dhananjaya Rao: Heat Transfer through a Kotating Channel in Porous Medium ............................................................................................................... 179 Y. Thomas et P. Six: Sur l’équivalence des théories de Grüneisen et de Brillouin pour la dilatation thermique des solides........................................................................................ 191 P. Singh and K. K. Srivastava : Variational Solution of Heat Convection in the Channel Flow with the Help of GPDP............................................................................................ 201 R. C. Sharma and K. C. Sharma: Rayleigh—Taylor Instability of Two Viscoelastic Super­posed Fluids........................................................................................................................... 213 C. Malinoivska-Adamska: Potential Energy Parameters from Crystalline State Properties 221 M. Saleh and M. S. Zafar: Electron and Hole Generation in Anthracene under Electron Bombardment......................................................................................................................... 233 M. F. Tóiba, S. A. Wahab and A. M. Salem: On the Diurnal Variation Coefficients of the Nucleonic Component of Cosmic Rays............................................................................ 243

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