生物硝化 meaning in English

bio-nitrification
biological nitrification

Study of factors influencing ammonia nitrification
氨氮生物硝化过程影响因素研究
Commissioning the bio - nitrification plant at the shenzhen reservoir in early 1999
深圳水库的生物硝化站已于一九九九年年初启用。
To remove nitrogen from wastewater using biological nitrification , biological de - nitrification , biological nitrification de - nitrification , chlorination and ion exchange , etc
除氮：去除废污水中氮成分，常用的方法有：生物硝化法、生物脱硝法、生物硝化