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This paper by using examples of disubs tution cyclohexanes with different and identical functional groups, examines some stereochemistry problems puzzling to stuaents, such as the configuvation conformation, and enantiomorphism isomers, and presents some
中文意思:
摘要以基团相同和不同的二取代环己烷为例,分析了环己烷衍生物的构型、构象和对映异构等学生易模糊的立体化学问题。


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This paper brings out participatory governance approach to solving this problem, and analyzes the way to solve the problem. 本文根据“利益相关者管理”理论提出参与治理途径来解决城市生活垃圾问题,并且对参与治理城市生活垃圾进行了深入分析。
This paper brings together the consultation in many agents strategically, concept that bring up the “ equal divides the near stalk of time of axis”, be used as time the control the mode the research, and make brought together consultation can more validly 本文在多代理人撮合协商策略上,提出「等分趋近时间轴」之概念,作为时间控制模式研究,使撮合协商能更有效利用时间,以提高撮合协商的时间效益,并首次导入可拓工程方法中之优度评价法观念,以确定以买方观点对于卖方之各项条件之各项优度,并从中取出最优之方案,提供买方进行撮合及各项出价或让步策略。
This paper brought force questions to the above conceptions from three aspects: thought angle, theory field and theory methods. 本文从思维视角、理论视野及理论方法等三个方面对上述观点提出质疑。
This paper brought forward global optimized wave impedances mixed inversion based on genetic algorithms with binary character string coding, genetic operation is the best optional optimization preserving strategy operation, multipoint crossover and nonsym 摘要针对遗传算法用于波阻抗反演涉及多参数编码、以及对应遗传操作不易实现的问题,在广泛研究了遗传算法的各种编码方式、及其对应的选择方式、交叉方式以及变异方式特点的基础上,提出了采用二进制字符串编码、遗传操作为最优保存策略选择、多点交叉和非均匀变异的遗传算法,基于该算法形成了全局寻优的波阻抗混合反演方法。
This paper builds up a system optimal deployment model in accordance with the features of complex pump system and deployment requirements. 摘要文章根据复杂泵系统的特点和调度要求,建立了系统优化调度的模型。
This paper by using examples of disubs tution cyclohexanes with different and identical functional groups, examines some stereochemistry problems puzzling to stuaents, such as the configuvation conformation, and enantiomorphism isomers, and presents some 摘要以基团相同和不同的二取代环己烷为例,分析了环己烷衍生物的构型、构象和对映异构等学生易模糊的立体化学问题。
This paper calculates the thermal insulation thickness of the steal sheated stealdirectly buried steam pipe with air thermal insulation layer under the condition of different temperatures, and compares it with the system without air thermal insulation lay 摘要对不同介质温度条件下有空气保温层的“钢套钢”蒸汽直埋管保温结构厚度进行了数值计算,并将计算结果与无空气保温层的保温结构厚度进行了比较。
This paper calls for a multi-disciplinary approach to the research into issues of overseas Chinese villages. 摘要探讨如何在侨乡研究中运用多学科方法。
This paper carried out the preliminary inquiry about how to make Xinjiang forest park resources unity and share using modernized network technology, and provides one effective way to utilize the existing forest park resources. 本文就如何利用现代化的网络技术对新疆森林公园资源整合、共享进行初步的探索,为更加有效地利用现有的森林公园提供一个有效的途径。
This paper carries on the 3D finite element structure analysis for power house monolith with a bulb turbine hydropower station located in the upstream of Huang River as the carrier. 摘要以黄河上游拟建的某灯泡贯流式水电站为载体,对厂房坝段整体进行了三维有限元结构分析。
This paper categorizes Chinese Character Reference Database, which exists in different period, into three types: text file, database file and binary file, and presents some management technologies on these files. 根据实践的经验,文中将不同阶段的汉字码本数据库分成文本文件形式、数据库码本形式和二进制文件形式,并且分别讨论了对这些码本的管理技术。
 
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