烯酮

Because after the selection the endometriosis conservative surgery still the painful menstruation case of illness 100 examples, stochastically divided into the treatment group 68 examples and the control group 32 examples, took orally the Chinese native medicine preparation separately and is pregnant three ketene capsule for 3 months.

选取因子宫内膜异位症保守性手术后仍痛经的病例100例，随机分为治疗组68例和对照组32例，分别口服中药制剂及孕三烯酮胶囊3个月。

In the second chapter, the mechanism of the gold-catalyzed cycloisomerization of bromoallenyl ketone was investigated and discussed.

在第二章中，通过理论计算对金催化的溴代连二烯酮环异构化反应的机理进行了研究和讨论。

Therefore, studies and applications of the ring-opening reaction of 1, 3-dithiolancycolpentyl moiety should be a valuable research project.

因此，α-羰基环二硫缩烯酮的1， 3-二硫戊环的开环反应及其在合成中的应用研究是一重要的研究课题。

Objective To discuss the clinical value of laparoscopic operation plus progestin for the therapy of endometriosis.

目的 探讨腹腔镜联合孕三烯酮治疗子宫内膜异位症的临床价值。

Methods A total of 86 patients with endometriosis were performed laparoscopic operation, and then some of them were administered progestin (2.5mg) twice per week for 3-6 months.

对86例子宫内膜异位症患者在腹腔镜下行手术治疗后，加用孕三烯酮2.5mg/次，每周2次，治疗3~6月。

We used the reported chiral ligand QD-4 derived from quinidine to catalyze the reaction of aldehydes and methyl vinyl ketone in the presence of various additives and found that the highest e.

用喹尼叮衍生物QD-4分别催化醛和丁烯酮以及醛和丙烯酸-萘酚酯的不对称Baylis-Hillman反应，通过改变添加剂和优化反应条件，最终分别取得了最高为49％和70％的e.e值。

Because of their strong nucleophility of NHCs, the asymmetric Staudinger reaction between ketenes and imines catalyzed by chiral NHC was achieved, gave -lactams with excellent enantioselectivities.

中文摘要我们组利用氮杂环卡宾的亲核性，成功地实现了氮杂环卡宾催化的烯酮与亚胺的Staudinger反应。

In this paper, the effects of different catalyst combinations on the synthesis of α-chloro-dodecanoic acid were investigated, in which a series of acyl chlorides such as 4-toluene sulfonyl chloride, dodecanoyl chloride, chlorosulphonic acid , etc.

本文从烯酮式反应机理出发，以α-氯代十二酸的合成为模型，对酰氯化试剂(对甲苯磺酰氯、十二酰氯、氯磺酸等)和质子酸催化剂(如H型离子交换树脂、氯磺酸、对甲苯磺酸、醋酸等)进行组合和选择，并与文献报道的特殊添加剂乙酐比较，研究不同催化体系在酸催化合成α-氯代脂肪酸时的催化作用。

Atherosclerosis: a redox-sensitive lipid imbalance suppressible by cyclopentenone prostaglandins.

动脉粥样硬化：环戊烯酮前列腺素抑制氧化还原敏感的脂质失衡

The inhibition of the cells during 60 hours was determined by melhylthiazolyl tetrazolium assay, and the cell growth curve was made.

目的：研究米非司酮和孕三烯酮对体外培养的异位的和正常的子宫内膜间质细胞生长增殖的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。