FACTA UNIVERSITATIS
SERIES PHYSICS, CHEMISTRY AND TECHNOLOGY, Vol. 1, No 5, 1998

Contents
Vlastimir D. Pavlović, Zoran S. Veličković
MEASUREMENT OF THE SEISMIC WAVES PROPAGATION VELOCITY IN THE REAL MEDIUM
Nenad S. Simonović
ASYMMETRIC STRETCH COLLINEAR MODEL  FOR HYDROGEN NEGATIVE ION
I. Mendaš
AN OPERATOR CORRESPONDING TO THE PHASE OF HARMONIC OSCILLATOR
Lj. Simić, J. Milošević, I. Mendaš
PION INTERFEROMETRY IN C+C AND C+TA COLLISIONS  AT 4.2 A GEV/C
I. Mendaš
PANCHARATNAM PHASE AND  GALILEAN TRANSFORMATION
M. Blagojević, B. Sazdović, M. Vasilić
GENERALIZED CANONICAL ANALYSIS OF THE FREE RAMOND STRING FIELD THEORY
A. Balaž, A. Belić, A. Bogojević
AN IMPROVED GAUSSIAN APPROXIMATION  FOR QUANTUM FIELD THEORY
M. Magureanu, N. B. Mandache
HIGH VOLTAGE DISCHARGES AS ELECTRON BEAM SOURCE FOR CALIBRATION MEASUREMENTS
Vidosava Djurdjić, Srdjan Stojanović
A METHOD FOR SPECTROPHOTOMETRIC DETERMINATION OF ACETALDEHYDE WITH THIOSEMICARBAZIDE IN BLOOD
J. Kiurski, D. Ž. Obadović, A. Kapor E. Kiš, R. Marinković-Nedučin
STRUCTURAL AND TEXTURAL CHANGES  OF HYDRODESULFURIZATION CATALYSTS 
IN CONDITIONS OF ACCELERATING AGING