英语语法分析

Series of new diffusing film cercariciding were made from praziquantel. These compounds were filtrated by experimentation and some strong cercaricidal activity pharmaceuticals were obtained.

吡喹酮改性后可以得到一系列新型薄膜扩散灭蚴剂。本实验对其进行了筛选，并得到了几种灭蚴效果较好的药物。