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.
综述了在主链上含有过渡金属和刚性共轭有机桥的聚合物，即所谓的刚性棒状金属有机聚合物的种类、制备、性质及应用。
This paper summarizes the organic bridge polymers that contain transition metals and rigid rod-like organometallic polymers, i. e the cat…
综述了在主链上含有过渡金属和刚性共轭有机桥的聚合物，即所谓的刚性棒状金属有机聚合物的种类、制备、性质及应用。
This paper summarizes the organic bridge polymers that contain transition metals and rigid rod-like organometallic polymers, i. e the cat…
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