1. REACTIVITY OF A COAL IN GASIFICATION REACTIONS. A THERMODYNAMIC CASE STUDY. Authors: GAVRIL NIAC, OSSI HOROVITZ, ELENA MARIA PICĂ.2. KINETIC DETERMINATION OF B1, B2 AND B6 VITAMINS. Authors: SIMONA BUNGĂU, LUCIAN COPOLOVICI, GAVRIL NIAC, I. BALDEA.3. THERMODYNAMIC EVALUATION OF COAL REACTIVITY. Authors: OSSI HOROVITZ, ELENA MARIA PICĂ, GAVRIL NIAC.