“ammonia nitrogen”造句，怎麼用ammonia nitrogen造句

Objective: to screen nitrobacter that could be used to treat ammonia nitrogen pollution, dejecta and sewage in military tunnel.

The removal rates of ammonia nitrogen, denitrification ability and anammox ability were investigated in three bioreactors.

It is found that HRT, influent ammonia nitrogen and external carbon source have significant effect on biological nitrification and denitrification.