1. PORE STRUCTURE STABILITY OF ALUMINA BASED MEMBRANES. Authors: LIVIU LITERAT, LUCIA GAGEA.2. SYNTHESIS, CHARACTERIZATION AND OPTIMUM REACTION CONDITIONS FOR NANOSTRUCTURED ZINC OXIDE. Authors: OANA CADAR, CECILIA ROMAN, LUCIA GAGEA, ILEANA CERNICA, ALINA MATEI.3. RECOVERY POSSIBILITIES OF POWER PLANT FLY ASH FROM ZALĂU. Authors: ADRIANA GOG, MARIUS ROMAN, CECILIA ROMAN, TÓTH ANIKÓ, LUCIA GAGEA, VALENTINA CETEAN, LÁSZLÓ SZÉLL.