目的探讨复方孕二烯酮与去氧孕烯炔雌醇治疗围绝经期功血的临床疗效及安全性。
OBJECTIVE To discuss the clinical curative effect and security of gestodene compound and gestodene-ethinylestradiol used to treat dysfunctional uterine bleeding(DUB) in peri-menopausal period.
本论文是关于共轭烯炔酮与硝酮化合物反应生成多取代的呋喃化合物的研究，主要从三个方面进行了研究。
In this thesis, we have focused on the synthesis of highly substituted furan by the cycloaddition reaction of conjugated enynones with nitrones.
毛细管柱，以邻苯二甲酸二丁酯为内标物，以氢火焰离子化检测器对杀虫剂氯烯炔菊酯原药进行定性定量分析。
A gas chromatographic method for quantitative and qualitative analysis of chlorempenthrin using a HP-5 capillary column and dibutyl phthalate as internal standard was described.
因此，深入研究含有供电子基团的共轭烯炔化合物各种性质，扩展其在各领域上的应用都是非常必要和有意义的。
So it is very necessary to study the characters and extend applications of this kind of conjugated enynes with electron-donating substitutes.
因此，深入研究含有供电子基团的共轭烯炔化合物各种性质，扩展其在各领域上的应用都是非常必要和有意义的。
So it is very necessary to study the characters and extend applications of this kind of conjugated enynes with electron-donating substitutes.
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