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

溶解对异、氨化、硝化有较大影响。

Bio - degradation role of aerobiotic organic substance and relationships between biological degradation and dissolved oxygen were stated, which provided theoretical basis for waste water reatment.

本文论述了需有机物的物降解作用以及与溶解平衡的关系,从而为污水治理提供理论依据。