利用双层半固体培养基具有良好厌氧性的特性，在实验的基础上，提出了采用方形试管对双歧杆菌进行计数的方法，介绍了该方法的基本原理和操作步骤。
Based on the experiment, the enumeration method of Bifidobacterium by rectangular test tube was put forward, according to the anaerobic specificity of double layer half solid culture.
大肠菌群是指需氧和兼性厌氧的革兰氏阴性无芽孢杆菌。
The coliform group referred to the aerobic or facultative anaerobic gram-negative budless bacillus.
基于菌膜厌氧好氧工艺法流程试验，对附着微生物简短硝化的可行性进行了研究。
Based on the experiment of biofilm A/O process, the feasibility of brief-nitrification in attached microorganism system is studied.
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