The effects of inoculums, fermentation temperature and time, and nitrogen source on production of citric acid from aged paddy rice by liquid-state fermentation of Aspergillus niger were studied.
研究了接种量、发酵温度与时间、氮源等因素对以陈化稻米为原料，黑曲霉液态发酵法生产柠檬酸的影响，并优化了工艺。
The kinetics of citric acid fermentation process was studied.
研究了柠檬酸发酵过程的动力学。
Citric acid is an important organic acid and mainly produced by fermentation method.
柠檬酸是一种重要的有机酸，主要通过发酵法生产。
This paper studies on the constant temperature fermentation, oscillatory temperature fermentation and the comparisons between the yields of fermented citric acid of the two.
研究了恒温发酵和变温发酵过程，并对二者发酵柠檬酸的产量进行了比较。
This article expounds the biosynthetic pathway and metabolic regulation mechanism of citric acid, and dis-cusses how the fermentation conditions affect the accumulation of citric acid.
本文主要阐述柠檬酸生物合成途径、代谢调控机理及发酵条件对柠檬酸累积的影响。
A new method is proposed for treatment of citric acid fermentation liquid with active carbon adsorption.
提出了用活性炭吸附处理柠檬酸发酵液的工艺条件及流程。
To carry out the fermentation, the tofu curd is cut into small chunks and dipped into a solution of salt and citric acid.
为了进行发酵，豆腐被切成小块，并且浸入盐和柠檬酸溶液中。
In this paper, the application of capillary electrophoresis in determination of citric acid in fermentation liquor and the effect of carbon powder absorbing to the results were studied.
本文研究了毛细管电泳在检测柠檬酸发酵液中的应用，比较了经炭吸附处理与不经炭吸附处理两种处理方法对毛细管电泳测定发酵液中柠檬酸含量实验的影响。
The dry potato was puffed in extruding type puffing machine and then was mixed with water and inoculum to produce citric acid through fermentation process directly.
薯干原料经挤压式膨化机膨化后直接加水配料接菌进行柠檬酸发酵。
The dry potato was puffed in extruding type puffing machine and then was mixed with water and inoculum to produce citric acid through fermentation process directly.
薯干原料经挤压式膨化机膨化后直接加水配料接菌进行柠檬酸发酵。
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