The oxygen transfer rate and volumetric mass transfer coefficient of the second step of the fermentation process were measured.
测定了第二步发酵过程的氧传递速率和体积传质系数。
2
Capillary - column gas chromatography was applied successfully to determine the ethanol in the xylose fermentation broth, the coefficient variation was less than 2 percent.
介绍了利用毛细管柱气相色谱法测定木糖发酵液中乙醇含量，其变异系数小于2 %。
3
By means of the all-coefficient adaptive control method presented in literature and an empirical formula, the authors are capable of controlling the fermentation temperature of beer brewery.