Based on the Barnard system under mixed flow condition for biological nitrogen control,the maximum anaerobic time of nitrobacter was first put forward,and a mathematic model for the system was established. ?

• 针对完全混合式Barnard系统的流态及系统中微生物的特点，首次提出硝化菌极限缺氧时间的概念，为这种生物脱氮系统建立了一套数学模型。