step chromatography造句

例句与造句

1. By two - step chromatography , rhigf - i was purified to 90 % of purity . western blot indicated that the recombinant protein could react with antibodies against higf - i
   蛋白纯度用tris - tricinesds - page鉴定， westernblot检测纯化的重组蛋白的免疫学活性。
2. It's difficult to find step chromatography in a sentence. 用step chromatography造句挺难的