发现乙醛在发酵状况将要出现异常前，其浓度会发生急剧的下降。
The results indicated that the concentration of aldehyde would drop sharply before the occurrence of exceptional fermentation.
通过考察补加方式发现：恒速连续补加方式比批次补加的效果好，镜检发现发酵过程中批次补加容易导致菌体形态异常。
As far as the feeding mode was concerned, constant-speed feed was more effective than batch-wise feed. The abnormal cellular form was often observed when glucose was batch-wise fed.
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