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1·[Abstract] Objective To investigate the factors, doxycycline hyclate Ningmitai curative effect in the treatment of Mycoplasma infection.

[摘 要] 目的 探讨盐酸多西环素、宁泌泰治疗支原体感染的疗效比较。

2·A simple, rapid and accurate method was developed for simultaneous determination of florfenicol, doxycycline hyclate and trimethoprim lactate in compound florfenicol powder.

用高效液相色谱法同时测定复方氟苯尼考粉剂中氟苯尼考、盐酸多西环素、甲氧苄啶乳酸盐的含量。

3·The recovered hydrogenate has more impurity, so a new purification method was usedwhichsettl-ed the tail peak problem in finished Doxycycline Hyclate. The optimal purification condition is obtained.

本文采用新的成品精制方法，解决了成品拖尾峰问题，确定了成品精制的最佳工艺。