buran ,si l ultimo.
fappio,questo va bene ? 
qui ce nč un altro usato nel trattamento delle acque reflue dove distingue le 2 zone e non dire che non capisci perchč č facile.
An integrated sludge reduction method for biooxidation of wastewater comprising the steps of: providing an anaerobic wastewater treatment zone, an anoxic waste water treatment zone, and one or more aerobic wastewater treatment zones.
http://www.freepatentsonline.com/6676836.html
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"The coral itself has more energy for growth because the reduced zooxanthellae density requires less energy."
Ultima modifica di zucchen; 14-01-2012 alle ore 17:14.
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