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1)  stem nuclei
母环
1.
The kinds of quinolone developed in recent years were described and classification and evolution of stem nuclei for quinolone were summarized.
介绍了近年来喹诺酮类药物的分类,总结了喹诺酮类药物母环的分类及其衍变,重点介绍了最新热门药物吉米沙星母环的常见的化学合成方法。
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2)  spent 1iquor
循环母液
3)  parents substance conditions
母质环境
4)  bicyclic nucleus
双环母核
1.
Two synthetic routes were caused out to construct 1β-methylcarbapenem bicyclic nucleus: the intramolecular carbene-inserting cyclization and the Dieckmann cy clization.
研究了 1β-甲基碳青霉烯双环母核的两种合成方法 :分子内卡宾插入环合法和 Dieckmann反应环合法。
5)  MCu IUD
爱母环
1.
Objective To evaluate acceptance,cost and effectiveness ratios of three kinds of intrauterine device(IUD): Yuangong IUD,GyneFix IUD and MCu IUD applied in rural areas.
目的了解元宫环、吉尼环、爱母环在农村推广的可接受性、效果和成本。
6)  Mothering environment
母亲环境
补充资料：子母环
1.大环中穿一小环，谓之子母环。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条