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Chinese Chemical Letters 2001年第7期12卷 585-588页

作者： Xue Shi MAO a.a.volkers A.J.H.KLUNDER Binne ZWANENBURG Department of Organic Chemistry NSR Center for Molecular StructureDesign and SynthesisUniversity of NijmegenToernooiveld 16525 ED NijmegenThe Netherlands

Synthesis of highly strained tetracyclic ketones was achieved by cyclopropanation or epoxidation of tricyclodecenone 1. An unusual formation of α-methoxy β-hydroxy ketone from an α,β-unsaturated enone system via ... 详细信息

关键词： Nucleophilic addition Payne rearrangement α β-epoxycyclopentanone

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Facial Selectivity in the Nucleophilic Additions of endo-Tricyclo[5.2.1.0^(2,6)]deca-2(6),8-dien-3-one

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Chinese Chemical Letters 2001年第7期12卷 581-584页

Nucleophilic additions to endo-tricyclo[5.***.1.0^(2,6)]deca-2(6),8-dien-3-one 4 are described. Experimental results show high preference for exo-facial attack to the enone moiety of tricyclodecadienone. Steric hindrance is the main kinetically controlling factor in the nucleophilic reaction. The shielding effect and the stabilizing effect of the norbornene double bond favor the exo-facial attack also.

关键词： Stereochemistry nucleophilic addition

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精密测量电压用的直流变压器

电测与仪表 1966年第2期 12-16+49页

作者： Walter K.volkers 邵定蓉余俊雄

本文简单叙述了精密测量电压用直流变压器的原理、特点,某些计算以及由负载所引起的误差,最后还介绍了它的新用途。

关键词：直流变压器电容器电荷电器交流变压器测量电压输入电容

子宫动脉栓塞和子宫切除术在症状性子宫纤维瘤(EMMY临床试验)治疗中的比较:围手术期及术后结局的随机对照试验

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世界核心医学期刊文摘（妇产科学分册） 2006年第3期2卷 15-16页

作者： Hehenkamp W.J.K. volkers N.A. Donderwinkel P.F.J. 高雪莲 Academic Medical Center Department of Gynecology Meibergdreef 9 1105 AZ Amsterdam Netherlands Dr.

Objective: This was a randomized controlled trial to evaluate the safety of uterine artery embolization (UAE) compared with hysterectomy. Study design: Twenty-eight Dutch hospitals recruited 177 patients with symptomatic uterine fibroids and menorrhagia who were eligible for hysterectomy. Patients were randomized to UAE (n = 88) or hysterectomy (n = 89). In this paper we evaluate the peri-and postprocedural complications, length of hospital stay, unscheduled visits, and readmission rates up to 6 weeks’post-intervention. Analysis was by intention to treat. Results: Bilateral UAE failure occurred in 4 patients (4.9%). Major complications occurred in 4.9%(UAE) and 2.7%(hysterectomy) of cases (P = .68). The minor complication rate from discharge until 6 weeks after was significantly higher in the UAE group than in the hysterectomy group (58.0%vs 40.0%; RR 1.45 1.04-2.02 ; P = .024). UAE patients were more often readmitted (11.1%vs 0%; P = .003). Total length of hospital stay was significantly shorter in UAE patients (mean SD : 2.5 2.7 vs 5.1 1.3 , P < .001). Conclusion: UAE is a procedure similar to hysterectomy with a low major complication rate and with a reduced length of hospital stay. Higher readmission rates after UAE stress the need for careful postprocedural follow-up.

关键词：子宫纤维瘤 EMMY 子宫动脉栓塞子宫切除术随机对照试验围手术期再入院率月经过多就诊情况

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