buran questo l'hai postato tu ...nella pima pagina , e a te l' ha dato zucchen: By means of
denitrification, oxidized inorganic nitrogen compounds, such as nitrite and nitrate are reduced to elemental nitrogen (N2). The
process is conducted by facultative anaerobic microorganisms with electron donors derived from either organic ...
------------------------------------------------------------------------
penso che con questo , si č chiusa la partita
