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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·Least effective were chlortetracycline, oxytetracycline, and tetracycline.

效力最差的是金霉素、土霉素和四环素。

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·A new, easy and rapid method screening the oxytetracycline (OTC) in catfish is developed.

本文介绍了一种全新的、简便和快速筛选鱼肉中土霉素残留量的方法。

5·Oxytetracycline is suggested on prevention of the disease because of its high efficacy and cheapness.

土霉素碱具有高效性，价廉物美，对疾病的预防具有推荐价值；

6·Variability of degradation rate of oxytetracycline in feces of chicken was studied under the light and without light.

研究了光照和避光条件下，鸡粪中土霉素降解率的差异性。

7·An emulsion liquid membrane extraction process was performed to recover oxytetracycline from the fermentation wastewater.

在萃取的基础上，进行了乳状液膜分离萃取发酵废液中土霉素的试验研究。

8·The results of the accumulative toxicity experiment show that Oxytetracycline was medium accumulative toxicity to chicken.

蓄积性毒性试验结果表明，土霉素对鸡有中等蓄积作用。

9·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。

10·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。

土霉素

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。