1·The ointment contains polymixin B and oxytetracycline in a petroleum base.
美中不足包含在一个多粘菌素B和石油基地土霉素。
2·The extracting conditions and methods of oxytetracycline from honey were studied, and the best extracting method and conditions were obtained.
对蜂蜜中土霉素的提取方法进行了研究，得出了它们的最佳提取方法和条件。
3·The method for determining oxytetracycline residues in milk by RP-HPLC was established.
建立了测定牛奶中土霉素残留的RP -HPLC方法。
4·Tetracyclines (tetracycline, oxytetracycline and chlortetracycline) may be used for either prevention or treatment of bacterial infections.
可能用四环素类抗生素(四环素、土霉素和氯四环素)预防或治疗细菌感染。
5·Prescription and dissolving condition for long-acting oxytetracycline injection were altered and proper stabilizer was added to improve its productive technology.
本试验适当改变长效土霉素注射液的处方和溶解条件，加入适当稳定剂，调整常规的生产工艺。