biological denitrification meaning in English

生物的反硝化作用
生物脱氮

Mechanism and processes of biological denitrification and phosphorus removal
浅论生物除磷脱氮的机理及工艺
Mechanism and technology advances in biological denitrification and phosphorus removal
生物脱氮除磷机理及技术进展
Biological dephosphorization and biological denitrification applied to the deep disposition of sewage
生物脱磷与脱氮在废水深度处理中的应用
Chlorine was added in shocking and continuous mode respectively , so as to realize short - cut nitrification with a biological denitrification with a biofilm reactor
分别以冲击性和连续性方式投加氯，可以在生物膜法生物脱氮反应中实现短程硝化。
The mechanism of biological denitrification and phosphorus removal is briefly analyzed in this paper , and several effective and practical processes are also introduced
摘要对污水生物法除磷脱氮的机理作了简要分析，并介绍了几种高效、经济、实用的生物除磷脱氮工艺。