Session 1B - Nuclear science and technology, influence of irradiation on physical properties of materials, radiation detection II. V. Sabelová, M. Petriska, J. Veterníková, V. Slugeň, S. Sojak Application of Doppler Broadening Spectroscopy for detection of vacancy defects J. Veterníková, V. Slugeň, J. Degmová, V. Sabelová, M. Petriska, S. Stanček Positron study of implanted ODS steels J. Lüley, B. Vrban, G. Farkas, J. Haščík, R. Hinca, M. Petriska, V. Slugeň Determination of thermal reactivity coefficients for the first fuel loading of MO34 B. Vrban, J. Lüley, G. Farkas, J. Haščík, R. Hinca, M. Petriska, V. Slugeň MNCP calculation of the critical H3BO3 concentrations for the first fuel loading into the reactor core of NPP MO-3-4 units S. Sojak, V. Slugeň, V. Kršjak, W. Egger, L. Ravelli, M. Petriska, S. Stanček, M. Skarba, P. Priputen, K. Vitázek, M. Stacho, J. Veterníková, V. Sabelová PLEPS study of thermal annealing influence on binary Fe-11.62%Cr alloys M. Stacho, Š. Krnáč, V. Slugeň, R. Hinca, S. Sojak Analysis of high energy gamma ray spectra using whole spectrum processing J. Dekan, J. Degmová, V. Slugeň, M. Maláč Phase analysis of iron containing corrosion products at NPP secondary circuit using Mőssbauer spectrometry T. Hatala, M. Miglierini Nuclear forward scattering of synchrotron radiation Š. Čerba, V. Nečas Determination of the isotopic composition of neutron irradiated nuclear fuel materials by MCNPX