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Firstly, the combined characteristic of heat and mass transfer processes between air and liquid desiccant is carefully investigated.
首先,对溶液与空气热质交换过程中传热、传质作用相互耦合影响的现象以及原因进行了全面的分析。
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My paper is divided into three parts, firstly, introduces one — Person company in basic theory, including its conception, characteristics, dividends and relevant terms in other countries; Secondly, illustrates China should establish one — Person company system, discusses rationality to admit one-Person comPany from theoretical and practical sides, Points out group is not the essence of legal Person, mass organization as Legal Person is a legal Person based on Person; capital credit is the essence of a company, and one-Person company can also have it; limited liability of shareholders does not depend on detachedness of ownership and management, admitting one investor enjoy limited liability will not damage creditors' profits that much.
本文分为三部分,第一部分是一人公司理论与立法概要,主要介绍一人公司的概念、特征、类别及各国的立法例;第二部分全面论述我国应建立一人公司制度,首先,论述全面建立一人公司的理论依据,提出了团体性不是法人的本质特征,社团法人是以人为基础的法人;资本信用是公司的本质特征,一人公司可以具备资本信用;有限责任的基础不是所有权与经营权的分离,允许一人投资者享有有限责任并非对公司债权人极为不利的观点;接着论述全面建立一人公司的实践依据;最后进一步分析我国全面建立一人公司制度的必要性。
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Firstly, the physical and mechanical properties of Shapotou soft rock are detailedly analysed in this paper.
首先,本文对沙坡头坝基软岩的物理力学特性进行了详细的分析。
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Firstly, the determinative factor of one country's rise is economic power.
英美权力转移过程的和平实现对于中国的和平崛起有着积极的借鉴意义:第一,崛起的决定因素是经济力量。
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Firstly a formal syntactic of UML statechart diagrams was given and a series of auxiliary functions to describe the structure features of UML statechart diagrams were presented in which target determinator and source restriction were used to describe the inter-level transitions and open events and close events were used to describe the communication among UML statechart diagrams.
首先给出了UML状态图的形式化语法定义,其中用状态集合、转移集合、事件集合、条件集合、活动集合、对象集合和变量集合,定义了一系列辅助函数描述UML状态图特征,用确定目标状态和受限源状态表示层次关系,用开放事件和封闭事件表示对象之间的消息。
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Firstly the system need is determined based on the detail analysis for the management of high voltage test in this thesis.
在对高压试验管理的具体要求做了大量分析的基础上,确定了系统的详细需求。
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Chapter two proposes the unified form of Hojman"s conservation law and Lutzky"s conservation law. Firstly, the author introduces the general Lie group of transformations that the variations of both the time and the generalized coordinates are considered, derives the determining equation of Lie symmetry for the system, presents a new conservation law, which contains the Hojman"s and the Lutzky"s conservation law as two special cases, and obtains a condition to exclude trivial Hojmans conserved quantities.
第二章,Hojman定理和Lutzky定理的统一形式:首先,引入一般意义下的Lie变换群(即位型变量q_s和时间变量t同时变换),给出系统的Lie对称性确定方程,提出一个新的守恒律,Hojman定理与Lutzky定理则分别是这个新守恒律在两个特殊情况下的推论,导出一个可排除平凡Hojman守恒量的定理,并分别讨论了Birkhoff系统和非完整系统的Lie对称性和Hojman守恒量,最后,讨论了Hamilton系统的梅对称性与Lie对称性的关系,给出了由梅对称性求Hojman守恒量的方法。
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Firstly, based on the wave equation, determining reasonably its initial boundary condition, the paper establishes a computer diagnostic model of oil pumping mechanical well, the damping factor in the model has been reasonably determined, the implicit difference solutionis conducted to the model by changing of step width expression difference solves, and the half analytical solution is explored to the model - fine integral method; and realizes the transformation from dot indicator diagram to indicator diagram of any section.
首先从抽油机井计算机诊断技术的理论基础入手,考虑多级抽油杆连续性,建立了粘滞阻尼波动方程,合理确定模型中的阻尼系数,采用无条件稳定的隐式差分法及半解析方法求解方程,获得抽油杆柱任意断面和抽油泵处的示功图。
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Firstly, according to the difficulties in the optimization of chemical engineering and the intrinsic disadvantage of deterministic optimization algorithms, this work analyzed the importance and advantage of stochastic algorithms, and proposed some important aspects in research on them. Secondly, genetic algorithm was applied to two problems of data driven modeling, one of which was combination problem, the other was mixed integer nonlinear programming. Thirdly, systemic investigations were made on the basic structure, dynamic behavior and modifications of particle swarm optimization. Lastly, two kinds of proposed PSO algorithms were applied on calculation of phase equilibrium, which is nonconvex optimization.
本文首先根据化工优化中存在的困难和确定性优化算法内在的缺点,分析了随机优化算法的重要性,并提出研究随机优化算法应注意的问题;其次,将遗传算法应用于两个数据驱动建模问题,一为组合优化问题,一为混合整数优化问题;再次,从粒子群优化算法的基本结构、运动行为、改进方法做了系统的研究:最后,将提出的两种改进粒子群优化算法应用于相平衡计算问题,为非凸全局优化问题。
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The main contributions are summarized as the following.Firstly, assuming demand is segmented by order lead time, a joint pricing and capacity allocation model is formulated considering scenario-based demand. Due to the stochastic discrete variable in the model, robust optimization is used to solve the model. Numerical examples prove our model and method reflect the stochastic characteristics of demand and provide more pratical pricing and capacity allocation policies than other methods of deterministic and stochastic expectation programming methods especially when the capacity is tight.
本文的创新之处概括为如下几个方面:首先,假设制造企业根据交货提前期对市场细分,建立了考虑需求情境的BTO模式下制造企业定价与能力分配的集成模型,利用稳健优化规划方法对此随机模型进行转化和求解,算例仿真表明随机优化规划方法较确定性规划和随机期望值规划方法更好地反映了随机离散需求的分布和波动特征,更加接近实际运作情况;产能越紧张,各类需求的价格差距越大,三种规划方法给出的最优策略差距越大。
- 推荐网络例句
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。