Among 18 bacterial strains isolated from rotifer culture tank, one strain of Pseudomonas, TP4, a vitamin B12 producer, appeared a significant complementary effect on rotifer growth.
共18株细菌分离于轮虫培养池，其中，有一株产维生素b12的假单胞杆菌tp4对轮虫的生长繁殖有明显的促进作用。
Taking L-threonine Producing strain TRFC as bacterial strains, the effect of the growth factors and culture conditions on the L-threonine fermentation under high glucose concentration was studied.
以L -苏氨酸生产菌TRFC为供试菌株，研究了高葡萄糖浓度下各种生长因子和培养条件对L -苏氨酸发酵的影响。
Methods: 276 cases of pulmonary infection in the elderly patients with sputum specimens for bacterial culture and strain identification, and determination of drug susceptibility.
方法：对276例老年肺部感染患者的痰标本进行细菌培养和菌种鉴定，并作药敏测定。
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