P.S.B.1. The influence of changes in Ca/Y concentration ratio on the spectroscopic properties of europium doped Ca₉Y(PO₄)₇ phosphor for white light emitting diodes
Natalia Gorecka, K. Szczodrowski, A. Lazarowska, J. Barzowska, M. Grinberg
Institute of Experimental Physics, Faculty of Mathematics, Physics and Informatics, University of Gdansk, Wita Stwosza 57, 80-308 Gdansk, Poland

P.S.B.2. Spectroscopic properties of Eu²⁺ and Eu³⁺ doped barium potassium phosphate
Anna Baran¹, Sebastian Mahlik¹, Marek Grinberg¹, Adam Watras², Robert Pazik², Przemyslaw Deren^2
1Institute of Experimental Physics, Faculty of Mathematics, Physics and Informatics, University of Gdansk, Wita Stwosza 57, 80-308 Gdansk, Poland, ²Institute of Low Temperature and Structure Research, Polish Academy of Sciences, 2 Okólna Street, 50-422 Wroclaw, Poland

P.S.B.3.  Effect of external influences on Fe- Cr - based alloys studied by positron annihilation spectroscopy
Jarmila Degmová, Jana Šimeg Veterniková, Veronika Sabelová, Július Dekan, Milan Pavúk, Stanislav Sojak, Martin Petriska, Vladimír Slugeň
Institute of Nuclear and Physical Engineering, Slovak University of Technology, Ilkovičova 3, 812 19 Bratislava, Slovakia

P.S.B.4.  The optimization of EVA monolith synthesis for effective immobilization of Candida rugosa lipase
Zorica Veličić¹, Nataša Tomić², Nevena Prlainović², Jelena Rusmirović², Aleksandar D. Marinković³, Milka Vidović^1
1Institute of Chemistry, Technology and Metallurgy, University of Belgrade, Njegoševa 4, 11000, Serbia, ²Innovation Center of the Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia, ³Faculty of Technology and Metallurgy, University of Belgrade, Karnegijeva 4, 11120 Belgrade, Serbia

P.S.B.5.  Transport properties of Ar⁺ in Ar/CF₄ mixtures for technological applications
Željka Nikitović, Zoran Raspopović and Vladimir Stojanović
Institute of Physics University of Belgrade, Pregrevica 118, 11080 Belgrade, Serbia

P.S.B.6.  Optimization of magnetoimpedance sensing properties of FeCuNbSiB amorphous microwires
Nebojša Mitrović, Jelena Orelj, Siniša Randjić, Slobodan Djukić
Faculty of Technical Sciences Čačak, University of Kragujevac, Serbia

P.S.B.7.  Improvement of cup anemometer class by bearing design
Miodrag Zlatanović and Ivan Popović
School of Electrical Engineering, University of Belgrade, Serbia