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thrift of excellent traditi onal a nd style lack dee p of understa ndi ng, one -sided t hink i n now of good situation Xi a, economic sm ooth more fast devel opme nt, and reform made major progress, a nd people living significantly improve , and social t he care er made new pr ogress, no necessary always ha rd has, no awarene ss to Chi na also ha s many poverty area, a nd al so has many poverty po
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專利號:200910118920.2目前,螺旋霉素的發(fā)酵生產(chǎn)只是一些較常規(guī)的發(fā)酵生產(chǎn)方式,即,不添加金屬離子的生產(chǎn)工藝,發(fā)酵工藝為將冷凍管接種于母瓶種子培養(yǎng)40~48h,子瓶培養(yǎng)24h,一級種子培養(yǎng)23~30h;二級種子培養(yǎng)20~32h;發(fā)酵培養(yǎng)100~136h放罐。存在發(fā)酵單位較低,費時費力,達(dá)不到生產(chǎn)化要求的弊病。
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