1. QUANTITATIVE MEASUREMENT OF THE LEATHER DEGREE OF SWELLING. Authors: SIMONA POPA, SORINA BORAN.2. HEAT TRANSFER INFLUENCE ON FRACTIONATION IN FLOODED PACKED COLUMNS. Authors: SIMONA POPA, SORINA BORAN, GIANNIN MOȘOARCĂ, COSMIN VANCEA.3. STUDIES REGARDING COPPER IONS REMOVAL FROM WASTEWATERS USING OAK WOOD ASH AND THE EFFECT OF EXHAUSTED ASH AS SOIL AMENDMENT. Authors: GIANNIN MOSOARCA, COSMIN VANCEA, SIMONA POPA, SORINA BORAN, PETRU NEGREA, MARIA ELENA RADULESCU-GRAD.