therefore, more and more attentions are paid to heterotrophic nitrification bacteria for wastewater treatment.
因此, 这类细菌已成为废水处理中生物脱氮新工艺的重要研究对象。
the heterotrophic nitrification bacteria existed in mbr system possessing snd effect of 80% was isolated and cultured; and its mortifying characteristic was studied.