英语语法分析

Recent studies on chemical constituents of Veratrum plants and their pharmacological activities and clinical application were reviewed.

综述我国藜芦属植物在化学成分和药理及临床方面的研究进展。

The toxicity test indicated that of all 9 species of plant, the substances extracted from Chelidonium majus, Radix angelica dahurica , Pulsatillae Chinensis, Veratrum dah uricum Loes.

通过对林木害虫毒力测定结果表明：9种天然杀虫植物中白屈菜、兴安白芷、白头翁、兴安藜芦、白藓、走马芹粗提物杀虫效果较好。

In the end, on the basis of our previous work, a summary of research on the pregnane alkaloids from plants of family Buxaceae, genus pachysandra and family Liliaceae, genus Veratrum. were reviewed.

在综述部分结合我们的工作，分别对黄杨科板凳果属和百合科藜芦属植物中的甾体生物碱类化合物的研究概况进行了一个小结。