Acta Physica Hungarica 63. (1988)

CONTENTS VOLUME 63 OBITUARY In memóriám Sándor SZALAY. D. Berényi................................................................................................ 3 GENERAL PHYSICS A nonlinear extension of the local form of Gyarmati’s governing principle of dissipative processes. B. Nyíri...................................................................................................................................................... 13 Ernst coordinates. Z. Perjés.............................................................................................................................. 89 Instability and non-linearity. I. Kirschner...................................................................................................... 271 ELEMENTARY PARTICLES AND FIELDS Coulomb pair-creation I. P. Hraskó, L. Földy and A. Tóth................................................................... 55 Coulomb pair-creation II. P. Hraskó, L. Földy and A. Tóth ................................................................. 71 A model of charge. L. Parragh........................................................................................................................ 219 Eleven dimensional cosmology and dynamical scale symmetry breaking. C. Wolf.......................... 303 Some solutions of Einstein-Born-Infeld field equations. Z. K. Vad....................................................... 353 NUCLEAR PHYSICS On the validity of the discontinuous stopping technique in Doppler shift attenuation measurements. M. M. Abdel Hady, A. Z. Kiss, E. Koltay and B. Nyakó........................................................... 233 ATOMIC AND MOLEKULAR PHYSICS A proposed model for the photoluminescence of ZnS: CdS: Ag: Ni: Co phosphors. Z. S. El Mandouh 7 Effects of the polarisation potentials on positron-hydrogen inelastic scattering. M. A. Abdel-Raouf 21 Vibrational transition probability data for the band system А‘П-> X' £* of AsP. N. Rajamanickam 51 Quantitative determination of the quartz content of respirable dust by infrared spectrophotometry. J. Hlavay, L. Antal, I. Vassányi and J. Kárpáti............................................................................ 109 Investigation of the interaction of silicon-organic compounds and Ca(OH)2. T. Gábor, B. N. Vinogradov, V. P. Knyazeva, K. Pálossy-Becker, M. N. Valieva, O. D. Gratseva, J. Nagy and V. I. Sidorov............................................................................................................................................. 115 Identification of concrete additives by pattern recognition using IR spectra. K. Eröss-Kiss, Gy. Szakálas, G. Veress and D. Valtinyi.......................................................................................... 119 Infrared spectroscopic investigation of propylene oxide-ethylene oxide polymers. G. Meszlényi, M Sipos, É. Juhász, M. Eröss-Lelkes and Gy. Poszmik............................................................. 137 A computer data acquisition and processing system for Raman spectroscopy. J. Varga, G. Jalsovszky and S. Holly ................................................................................................................ 141 A new treatment of the ring-puckering motions by periodic functions in the Hamiltonian. L. Sztraka ................................................................................................................................................ 143 Vibrational spectroscopic calculations on difluorophosphine-borane and its isotope-substituted derivatives (F2XP • BX3, X = H,D; B=UB, 10B). A. Sebestyén................................................ 151

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