青霉素类 meaning in Chinese

pcs
penicillins

Residue analysis of six penicillins in milk by lc - ms ms
测定牛奶中六种青霉素类抗生素残留
Rapid detection of penicillin residues in chicken by radioimmunoassay method
放射免疫法快速检测鸡肉中青霉素类药物残留
Basing on the practical experience and processing principle , the optimization of producing process , in which the butyl alcohol is abstracted from the water phase by the azeotropic distillation of the partly and mutually dissolved , is studied in this paper by utilizing the properties of the azeotropic distillation of the partly and mutually dissolved system of butyl alcohol and water , from the some questions such as rearranging of the equipments , dissolving with sodium hydroxide , treating of the wasted water , separating water and so on
摘要结合实践经验和工艺原理，利用丁醇和水组成的部分互溶系统的共沸特性，对从青霉素类结晶母液中提纯丁醇的生产工艺进行了分析研究，从设备布局、碱洗、废液处理和分水滞后等方面进行了优化处理。