Researches on the delimitation between the water aeration and oxygenation processes Rasha Cusma, Nicolae Băran, Nicolae Vlad Sima, Mihaela Petroşel, Remus Voicu, Mariana Mirela Stoican (Prisecaru) and Mihaela Constantin E3S Web Conf., 180 (2020) 01002 Published online: 24 July 2020 DOI: 10.1051/e3sconf/202018001002