英语语法分析

The polyethyleneimine is a water-soluble polymer which can be well dissolved in the slurry using water as the mixing medium.

聚乙烯亚胺为水溶性聚合物，可很好地溶于水为混料介质的料浆中。

Anionic sites of glomerular were studied with a cationic probe-polyethyleneimine (PEI) and ultrastructure was observed under electron microscope in renal I-RI rats.

以聚乙烯亚胺(PEI)为阳离子探针标记肾小球滤过膜负电荷位点，透射电镜观察肾i - RI对大鼠肾小球超微结构及负电荷位点的影响。