英汉词典

1.The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties(strain) and 4 staminiferous plant type single clone.

采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

2.AIM: to study the relationship between the lactone forms of 10-hydroxycamptothecin (HCPT) and their antitumor activities.

目的：研究10 -羟基喜树碱(HCPT)的内酯环形式与抗癌活性之间的关系。

3.The content of flavanone and lactone in leaf and the leaf output were studied by randomizing block arrangement of 31 gingko female varieties(strain) and 4 staminiferous plant type single clone.

采用31个银杏雌性品种和4个雄株类型的单株无性系，随机区组排列，对叶产量性状及其与叶产量的相关性，叶黄酮、内酯含量进行了研究。

4.The invention provides a large ring lactone compound and a preparation method thereof.

本发明提供了一种大环内酯类化合物及其制备方法。

5.Its molecular structure is made up of a five member, unsaturated lactone ring with two hydroxyl groups.

其分子结构是由五个成员国，不饱和内酯环两个羟基。

6.Method Plasma concentrations of 9-nc lactone form (lactone 9-nc) and the total of lactone and carboxylate forms (total 9-nc) were determined by the validated HPLC method.

方法：采用hplc法测定大鼠尾静脉注射给药后不同时间点9 - NC的内酯型浓度和总浓度并进行药物动力学拟合。