The reactor has some zymogen and acetogen, but no methanogen bacteria.

反应器中有一定量的发酵菌和产乙酸菌，但无产甲烷菌。

In this paper we studied the simple history,principle,process and selective method of carrier and medium of production of acetone and butanol with fermentive method of clostridium aceto-butylicum.

本了丁菌发酵法生产酮和丁醇的简史、原理、,及载体和培养基的选择方法。

This test use the fermental liquid of the caproic-acid filtering,filling and conserving mud,analyze the influence of the caproic-acid on the luzhou-flavor liquor.

本实验利用己酸菌液淋窖、灌窖及其养护窖,使用前后对照分析己酸菌发酵液对浓香型大曲酒的影响。