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In this thesis, a series of derivatives of -Huperzine A and benzylpiperidine were designed and synthesized, including nonsteroidal anti-inflammatory drug derivatives, heterocycle derivatives, aromatic derivatives and its sckiff derivatives, etc.

全部目标化合物进行了胆碱酯酶的活性测试，石杉碱甲类衍生物的乙酰胆碱酯酶活性比母体差，说明该类取代基在胺基上取代可能会使石杉碱甲衍生物的活性降低。

The paper first investigated the history, present situation and existing problems of students'employment service system constructing in higher vocational college, realizes the views, suggestions and production by educational experts from both domestic and abroad, and then, based on consulting the general practice and evaluating the successful and failing experience of the graduates'employment service system constructing in the author"s school, combining with the history, present situation, existing problems and the relevant production, it put forward several suggestions on strengthening the students'employment service system constructing in higher vocational college: firstly, building college-department-class employment guiding framework; secondly, configuring high-test hardware and software establishments for employment guiding service; thirdly, setting up exact, rapid and perfectly serving employment guiding information system; fourthly, constructing a canonical, tridimensional, effective and convenient service market for students'employment guiding; fifthly, establishing a series of unitive and methodical policies promoting graduates'employment; sixthly, improving the talent training mode and showing the school"s feature; and finally, constituting and completing the employment guiding service's qualitative assessment system.

然后以笔者所在院校学生就业服务体系建设的基本做法为参照，在实事求是地评价本校学生就业服务体系建设成功经验与失败教训的基础上，结合高职院校学生就业服务体系建设历史、现状、存在问题的分析及相关的研究成果，提出了加强高职院校学生就业服务体系建设研究的对策建议，即：建立校系班三级职业指导运作服务机构；配置过硬的就业指导服务的软硬件设施；建立准确迅速、服务完备的就业指导信息系统；建立规范立体、高效便捷的就业指导服务市场；建立统一有序的扶持大学生就业政策；改进人才培养模式，办出学校品位特色；建立健全学生就业指导服务工作量化评价系统。

At the end of the month, I announced that the Veterans Administration would provide compensation to Vietnam veterans for a series of severe illnesses, including cancers, liver disorders, and Hodgkins disease, that were associated with exposure to Agent Orange, a cause long championed by Vietnam veterans, Senators John Kerry and John McCain, and by the late Admiral Bud Zumwalt.

当月月底，我宣布退伍军人管理局将对患有癌症、肝功能紊乱和何杰金氏病等一系列严重疾病的越战老兵进行补偿，这些疾病都与暴露在橙色落叶剂下有关系，越战老兵们、参议员约翰·克里和约翰·麦凯恩，以及已故的海军上将马德·朱姆沃尔特都曾长期为这项事业奔走。

A few years ago Karen Holl of the University of California, Santa Cruz, ran a series of similar experiments on the forest birds of Costa Rica.

数年前圣克鲁兹加州大学的卡伦·郝已对哥斯达黎加的森林中鸟类进行了一系列相似的实验。

After a series of programs, car stunt show, horse riding, came to a climax - the firework.

一连串的节目，汽车特技、骑马等，晚上达到了高潮－烟火秀。

Lucy accompany you to speak English is a series of human-computer intelligent real-time dialogue, brand name, Lucy was in a virtual foreign teachers, she was ...

Lucy陪你说英语》是一系列人机智能实时对话的品牌名称， Lucy 是中的一位虚拟外教，她是。。。

In this work, a series of antimicrobial agents containing the hydantoin structure such as AM, BM and AM-AN, were synthesized by changing the reaction conditions such as temperature, time, concentration of initiator and so on, and the N-halamine structure which possessed the ability of durable antimicrobial, was transformed through a chlorination process.

本文设计合成了一系列含乙内酰脲结构的再生抗菌剂。通过改变合成反应的条件，如反应温度、反应时间、引发剂浓度、加料方式等，制备了再生型抗菌剂前体AM、BM和AM-AN共聚物。

We have taken the advantage of this TICT behavior for the design of new fluoroionophores and synthesized a series of trans-4-(N-arylamino)stilbenes containing a hydrazone substituent, namely 1Hz、2Hz and 3Hz. According to literatures, the hydrazone and methoxyl groups can selectively interact with Cu2+ ion.

欲进一步应用於金属离子感应材料的设计，我们合成了一系列具腙取代基的反式-4-二苯乙烯胺的衍生物1Hz、2Hz、3Hz，因为文献报导腙官能基对铜有极高的选择性。

After that, we introduced a new approach to synthesis of valiolamine, by a series of reaction to the carbon-carbon double bond from the substrate of valienamine, including epoxidation, hydrogenolysis and so on, and obtained the aim product finally.

在完成上述合成路线后，本文通过提出了一条全新的合成伏格列波糖重要中间体valiolamine的路线，即采用对底物valienamine中的碳-碳双键进行环氧化、氢解等一系列反应，成功地制备出所需的中间体，研究全新的合成伏格列波糖的路线，研究结果证实：该新路线已经被打通。

Next, we study the case when the approximation spaces are the anisotropic linear triangular element and a new conforming triangular Hermite-type one, by taking advantage of a series of new approaches, the convergence analysis of hyperbolic type integro-differential equations is provided, the error estimates are also obtained .

其次，把逼近空间分别取成具有各向异性特征的协调线性三角形元和一个新的二次Hermite型三角形元，针对双曲型积分方程，给出了相应的收敛性分析及其误差估计。

Objective To investigate the effects of interleukin-1 β converting enzyme gene on the biologic characteristics of ovarian cancer cells.

目的 探讨白细胞介素-1 β转换酶的表达，对卵巢癌细胞生物学特性的影响。

Campylobacter: This illness is the most commonly identified cause of diarrheal illness in the world.

弯曲：这种病是最常见的原因查明腹泻病，在世界上。