目的: 采用分光光度法,以芦丁为标准品测定异叶青兰中的总黄酮含量. Objective: Flavonoids in Dracocephalum heterophyllum was investigated by spectrometric method with rutin as standard material.
爆发地 宜阳 临近许多候鸟的聚集地洞庭湖.Yiyang , the site of the outbreak , lies next to Lake Dongting, which hosts many migratory birds.除了一人以外其余死者都在墨西哥, 此次疫情的爆发地.All but one of the deaths were in Mexico, the epicenter of the outbreak....
The Hayward exhibition has been curated by the artist Bernard Luthi.海沃德艺术展是由艺术家伯纳德·吕蒂组织的。For forty - eight hours, Hayward lived in an agony of indecision.海沃德足足有 四十八 小时坐卧不安,拿不定主意.Hayward could still talk delightfully abou...