1. OPTIMIZATION OF SOME WATER TREATMENT CONTAINING ORGANIC DYES (BROWN VOPSIDER DNRL 101) BY OXIDATION WITH HYDROGEN PEROXIDE ASSOCIATED WITH UV IRRADIATION. Authors: CARMEN ZAHARIA, MIOARA SURPĂŢEANU, M. MACOVEANU.2. ULTRASONIC EXTRACTION FOR PREPARATION OF PLANT EXTRACTS WITH BIOINSECTICIDAL EFFECTS ON PEST FROM SEED DEPOSITS. Authors: GABRIEL MIHAITA DARABAN, CARMEN ZAHARIA, LACRAMIOARA RUSU, ADRIAN CATALIN PUITEL, MARINELA BADEANU, DANIELA SUTEU.