Glycerin is validated as a good solvent in extracting DEM-ethanol liquid-liquidly, and thus the necessary basic data has been provided for industry extracting devices.

验证了丙三醇是分离二乙氧基甲烷-乙醇的良好溶剂，为工业装置设计提供了必要的基础数据。

The macroreticular resin to adsorb leucomycin( LM) as the better method to replace the solvent extraction method was designed.

用状树脂吸附法代替溶媒法,分离纯化柱晶白霉素。