1. MASS AND HEAT TRANSFER ON B7 STRUCTURED PACKING AT SEPARATION OF HYDROGEN ISOTOPES BY DISTILLATION. Authors: CORNELIA CROITORU, FLOAREA POP, GHEORGHE TITESCU, IOAN STEFANESCU, MARIUS PECULEA.2. DILUTION FACTOR FOR DANUBE - BLACK SEA CANAL WATER IN AGIGEA - BLACK SEA AREA USING TRITIATED WASTEWATER FROM NPP CERNAVODA. Authors: CARMEN VARLAM, IOAN STEFANESCU, IONUĊ˘ FAURESCU, DENISA DOBRINESCU, IRINA POPESCU.