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在准生产条件下研究了青霉素发酵过程中搅拌转速ｎ和空气流量Ｑ即空气表现线速度Ｗｓ对过程氧传递系数Ｋ（Ｌａ）的影响，得到如下表达式：Ｋ（Ｌａ）＝０．００２９ｎ１．７２３·Ｑ０．３６６＝０．００２５６ｎ１．７２３·ｗｓ０．３６６
Under the conditions of quasi-production, the effect of agitation speed n and air flow rate Q on the process air oxygen transfer coefficient K (La) was investigated in the process of penicillin fermentation, and the following expression was obtained: K (La) = 0.0029n1. 723 · Q0.366 = 0.00256n1.723 · ws0.366