1. NANO- AND MICROPARTICLE DISTRIBUTION ON SOLID AND FLEXIBLE SUBSTRATES – PART I. Authors: DORIN IOAN MANCIULA, IULIU-OVIDIU MARIAN, BARBU-RADU-HORAŢIU MIŞCA.2. SOME ASPECTS REGARDING MICROWAVE DRYING OF MATERIALS. Authors: DORIN IOAN MANCIULA, BARBU-RADU-HORAŢIU MIŞCA.3. CONDUCTOMETRIC TESTS AND TOTAL CHROMIUM LEACHABILITY IN AQUEOUS SOLUTION, FROM TANNED LEATHER WASTE. Authors: CRISTINA ROŞU, ANTOANELA POPOVICI, DORIN IOAN MANCIULA, GABRIELA-EMILIA POPIŢA.