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1·The contents of coumarin were determined by HPLC.

用HPL C法测定羟甲香豆素含量。

2·AIM To prepare a serious new coumarin-6-sulfonylureas.

目的合成新的香豆素磺酰脲类化合物供药理筛选。

3·Ingredients: Salvia Officinalis Saga, Coumarin, Geraniol.

主要成分：凤梨鼠尾草，香豆素，香叶醇。

4·RESULTS: The content of coumarin was higher in woody than in herbal.

结果：木本自然群中香豆精成分含量较高。

5·So right in ionic liquid medium of coumarin synthesis of high significance.

因此对在离子液体介质中的香豆素合成具有很高的研究意义。

6·Objective To study the antitumor activity of otiose and coumarin in novobiocin.

目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。

7·Objective To study the antitumor activity of noviose and coumarin in novobiocin.

目的研究新生霉素的结构单元诺维糖和香豆素的抗肿瘤活性。

8·Umbelliferae plants mainly contain essential oil, coumarin, chromone and glycoside.

伞形科植物的成分主要有挥发油、香豆素、色原酮及其苷类。

9·Results: The recent progress of study on Coumarin of Angelicae dahuricae were displayed.

结果展示了中药白芷香豆素类成分的最新研究进展。

10·The dye Rhodamine B and coumarin mixture is used to sensitize nanocrystalline porous films.

采用罗丹明- B与香豆素混合的方法，配制成敏化剂修饰纳米晶薄膜。