1. The dissolved oxygen had greater effects on heterotrophic bacteria,ammonifying bacteria and nitrifying bacteria.
   溶解氧对异养细菌、氨化细菌、硝化细菌有较大影响。
2. Short rod bacteria and spirillum were dominant in the denitrifying reactor.While cocci were the dominant bacteria in the nitrifying reactor.
   于脱硝槽中是以短杆菌和弯曲杆菌为优势菌，而于硝化槽中则是以球菌为主要的优势菌。
3. 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毫升硝化细菌液，需要一星期活化亚硝酸菌。

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