The effect of yeast and yeast management on the acetaldehyde content at the end of fermentation was studied.
研究了酵母及其管理对发酵末期乙醛含量的影响。
Shake-flask fermentation under optimal conditions showed that glucoamylase secreted by the transformant GB0506 was 17.5% higher than parental strain F0410 at the end of fermentation.
对转化子进行摇瓶发酵研究，发酵终止时转化子GB0506的糖化酶活力比出发菌株F0410提高了17.5%。
Yeast strains had the important effect on the acetaldehyde content at the end of fermentation.
酵母菌株对发酵后期乙醛的含量影响很大。
Extractive fermentation is a technique that can be used to reduce end-product inhibition by removing fermentation products in situ or in an external recycle loop.
萃取发酵耦合过程是用于减少产物抑制的技术，它可以通过原位方式或外部循环不断移走发酵产物。
By the end of fermentation, the contents of cellulose and hemicellulose reduced 7.39% and 43.76% respectively, while the lignin content had little change.
发酵结束时，纤维素和半纤维素含量分别降低了7.39%和43.76%，而木质素在整个发酵过程中分解很少。
The polarimetry was is used to control the fermentation process and the end point of substrate (RSA) transformation. This method is more effective than colorimetry.
通过对氢化可的松发酵过程中用比色法控制发酵过程和终点改为旋光法控制，使测定过程的控制更加合理有效。
Because of butyric acid fermentation inhibited by its end products, microbial fermentation is both low productive and expensive nowadays and difficult to compete with chemical synthesis.
丁酸发酵是一种终产物抑制发酵，因此微生物发酵法生产丁酸收率低而经济效益差，目前尚难替代化学合成法。
The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast.
上面酵母比下面酵母的乙醛含量低。
The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast.
上面酵母比下面酵母的乙醛含量低。
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