Methods: Using polyacrylamide gel electrophoresis ( PAGE).

方法：垂直板电泳法。

The purity was identified by polyacrylamide gel electrophoresis.

用聚丙烯酰胺凝胶电泳鉴定其纯度。

Polyacrylamide gel filtration was used as the method for comparison.

以聚丙烯酰胺凝胶过滤作为参比方法。

The paper researches the concrete property effect modified by polyacrylamide.

研究了聚丙烯酰胺对混凝土性能的改性效果。

The protein composition of sericin have been studied by polyacrylamide gel electrophoresis.

用聚丙烯酰胺凝胶电泳法研究丝胶的蛋白质组成问题。