目的是在棒状链霉菌的发酵过程中，去除产物头霉素 C。
The objective is to delete cephamycin C in the fermentation of Streptomyces clavuligerus.
目的提高棒状链霉菌的克拉维酸生产能力，去除副产物头霉素C。
Objective To improve the production of clavulanic acid and to genetically delete cephamycin C in the fermentation of Streptomyces clavuligerus.
SEM观察结果表明：刚性链PAM在尼龙—6中的存在形式为：以链或链束为核，以尼龙—6结晶为表的棒状结晶体。
The observation by means of SEM show that the state in which the rigid chain PAM in nylon — 6 is rod shape crystal which use chain or chain — bunch as core, and nylon —6 as coating.
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