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1·Angelica black spot is considered as a new and destructive disease of Angelica Dahurica in Sichuan in recent years.

白芷黑斑病是近年来在四川遂宁等白芷种植区普遍发生的一种新病害。

2·The additive with anti-acne efficacy of the invention is obtained by extracting raw materials such as salvia miltiorrhiza, angelica dahurica and rhubarb by organic solvent.

本发明的祛痘功效添加剂，是用有机溶剂 从丹参、白芷和大黄的原料中提取得到。

3·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。