The dissolved oxygen had greater effects on heterotrophic bacteria,ammonifying bacteria and nitrifying bacteria.

溶解氧对异、氨化、硝化有较大影响。

If the wastewater concentration was too high, it would stimulate fungus, aminate bacteria, denitrifying bacteria and some anaerobic bacteria to propagate.

污水浓度过大，会激土壤中真、氨化、反硝化及一些厌气繁殖。

It alsoshowed that more than one week was needed to activate Nitrosomonas by dailyaddition of 1.5 g NH4Cl and another 50 ml nitrifying bacteria to this system.

继续添加1.5克氯化铵和50毫升硝化液，需要一星期活化亚硝酸。