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

反应器中有一定量的发酵和产乙，但无产甲烷。

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.

验利用液淋窖、灌窖其养护窖,使用前后对照分发酵液对浓香型大曲酒的影响。

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.

文研究了丙丁发酵法生产丙酮和丁醇的简史、原理、过程,以载体和培养基的选择方法。