常見例句雙語例句SEC2 was separated and purified successively by ultrafiltration, salting out with ammonium sulfate, ion- exchange chromatography and molecular exclusion chromatography.發(fā)酵液經(jīng)超濾濃縮、硫酸銨沉淀、陰離子交換色譜和分子篩色譜,獲得了純度為90%的SEC2,總收率23%。Size-exclusion chromatography, as a special liquid chromatography, is used to determine the molecular weight distribution and preparatively separate the samples according to the molecular weight.排阻色譜法做為一種特殊的液相色譜技術(shù)可用于分子量分布的測(cè)定及按分子量的不同進(jìn)行的制備分離。 返回 molecular exclusion chromatography