1. SYNTHESIS, STRUCTURE AND REACTIVITY INVESTIGATIONS OF SOME NEW MONO- AND BIS(5,5-DIBROMOMETHYL-1,3-DIOXAN-2-YL) DERIVATIVES. Authors: ION GROSU, ANAMARIA TEREC, ELENA BOGDAN, LIGIA MIRABELA GOLBAN, ALIN GRIG MIHIS.2. MORPHOLOGICAL AND STRUCTURAL INVESTIGATION OF THE POLY(VINYL CHLORIDE) / GRAPHENE OXIDE COMPOSITES. Authors: LUIZA STINGESCU, CALIN CADAR, LIVIU COSMIN COTET, LUCIAN BAIA, KATA SASZET, KLARA MAGYARI, ALIN GRIG MIHIS, CARMEN IOANA FORT, MALVINA STROE, ELENA MATEI, ANDREEA NILA, ION ANGHEL, MONICA BAIA, MIHAELA BAIBARAC, VIRGINIA DANCIU.3. THE EFFECT OF ALKALI AND SURFACTANT CONCENTRATION, TEMPERATURE AND STIRRING ON THE CLEANING EFFICIENCY OF THE CARBON STEEL SURFACE. Authors: L. BAIA, K. MAGYARI, LIVIU COSMIN COTET, SEPTIMIU CASSIAN TRIPON, M.V. RACOLȚA-PAINA, ISTVAN-ATTILA SZÉKELY, C.A. SALAGEAN, V. DANCIU, ALIN GRIG MIHIS.