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The model control methods for the multivariable processes are most based on the state space method. But the design procedure of this methid is considerably complex and the order of the result controller tends to be quite high.
目前,已发展的解耦方法大多基于状态空间的方法,设计过程复杂,控制器阶次较高,往往因技术或经济上的原因而难以在工业过程中实现。
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This research focused on the reform of china's higher medical education from 1976, using method of combination of document research and investigation, combination historical approach with reality and theoretical investigation, macroexamination and microexamination. We divide this period into five phases according to the time order and the important reform measure in that time.
在此基础上,对这五个时期重要的高等医学教育改革措施进行了总结、归纳和分析,对其发生、发展和取得的成效进行了回顾和反思,并对未来中国高等医学教育改革进行了展望,以期为中国高等医学教育进一步深化改革提供参考依据。
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Results showed that the kinetics of photocatalytic degradation of ethylene by TiO2/ACF desoposited Pt in the simulated cold storage environment for horticultural products could be described using the pseudo first-order equation. The prepared TiO2/ACF-Pt, in the process of which Pt was initially deposited on the surface of ACF and then TiO2 was coated, would promote the activity of ethylene decomposing. When ion sputtering time was 60 seconds (Pt/Ti atomic concentration ratio was 0.112), the apparent rate constant of the reaction of TiO2/ACF-Pt was 1.16 times as much as that of TiO2/ACF. The micrographic structure of ACF was not damaged and an excessive porous structure, which was contributive to absorbing the diluted ethylene, was obtained by the way of ion sputtering Pt.
结果表明:在模拟园艺产品冷藏环境中,TiO2 /ACF-Pt光催化降解乙烯的动力学可用表观一级速率方程来描述;ACF表面先溅射沉积Pt,再进行TiO2附着方案,能提高降解乙烯的能力,当溅射时间为60 s(Pt/Ti原子浓度比为0.112)时,表观一级速率常数是未溅射Pt的1.16倍;TiO2/ACF-Pt的制备方法,对ACF形貌结构没有破坏,并能得到有利于对微量乙烯的吸附的多孔结构。
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This research, on the reproduction of three species of Millepora at Hengchun Peninsula, was conducted between February, 1994 and July, 1995. In order to understand possible prezygotic isolation between them, I investigated reproductive periods, reproductive characters as well as the roles and functions of medusae in the life history of Millepora.
本研究自1994年2月到1995年7月期间,针对恒春半岛的三种火珊瑚(型态为板状、枝状、叉状),比较彼此生殖季及相关生殖形质,以了解三种火珊瑚是否达到交配前的生殖隔离;并了解水母体在火珊瑚生活史中可能扮演的角色与功能。
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In order to meet the requirement of new marketplace and be accompany with the steps of economy development, Tian He has remodelled itself. As a result, it has shown its brand new outlooks on the land of Ben Xi, such a mountainy city.
天和大酒店是座二星级酒店,酒店位于本溪火车站南侧,位临繁华永丰商业区,建筑面积5600平方米,距享誉中外的本溪水洞33公里,距桃仙国际机场50公里,交通便利,通讯快捷,是您旅游、度假、办公、购物的理想处所。
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Under the dual legal structure of subject and object,and under the legal order maintained by this structure,from the aspects of nomology and ethnics ,this article demonstrates the feasibility on the use of glossary of animal rights and animal welfare.
本文在主客二元法律结构和由该结构所维护的法律秩序之下,从法理学和伦理学的角度,对动物权利和动物福利在法学上的应用可行性进行了论证。
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Under the dual legal structure of subject and object,and under the legal order maintained by this structure,from the aspects of nomology and ethnics,this article demonstrates the feasibility on the use of glossary of animal right s and animal welfare.
本文在主客二元法律结构和由该结构所维护的法律秩序之下,从法理学和伦理学的角度,对动物权利和动物福利在法学上的应用可行性进行了论证。
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More experimental data of condensation heat transfer coefficient, especially ones obtained at some determined pressure of mixtures and concentration of noncondensable gases, are required in order to make a data bank. Therefore, the experiment is arranged for steam-air condensing on the outside of a horizontal smooth tube, and 405 data have been obtained for the pressure of the bulk mixture covering 0.1~0.5bar and the mass fraction of air 0.3%~10.0%.
得到了一些重要结论,尤其是首次得到了&同样含量的空气对压力较高的混合气体冷凝换热的削弱作用较小&、&蒸汽侧冷凝换热系数近似与空气质量成分的对数成正比关系&、&空气含量的增加对蒸汽侧冷凝换热系数的影响随壁面过冷度增大而减小&及&管内冷却水流速取值范围的上、下限随管外蒸汽侧空气含量的增大而减小&等结论,并验证了在本文实验范围内&蒸汽侧冷凝换热系数与相同温度下纯净饱和蒸汽凝结换热系数的Nusselt理论预测结果的比率随壁面过冷度增大而减小&的数值分析结论〓。
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Objective: On the basis of the random mutagenesis library of ARS, we wish to preparation by screening new ARS sequence which not only have higher ARS activity, but also display higher transformation frequency, in order to constructed new gene recombination vector which have higher efficiency in the Nonconventional yeast expression system.
目的:通过构建酵母ARS 随机突变体库,从中筛选出具有较强的转化效率的ARS序列,用以构建新型高效的克鲁维酵母基因工程载体。
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In order to describe the fatigue damage characteristic under multiaxial proportional and nonproportional loading, a new nonlinear multiaxial fatigue damage cumulative model was presented on the basis of combining multiaxial fatigue damage characteristic. The recurrence formula of multiaxial fatigue damage model was derived under multilevel loading.
为了描述多轴比例与非比例加载下的疲劳损伤特性,结合多轴疲劳损伤的特点,建立了一种新的非线性多轴疲劳损伤累积模型,并推导给出了该疲劳损伤累积模型在多级加载条件下的递推公式。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力