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Singular Perturbation of Two Points Boundary Value Problems for a Class of Third Order Quasilinear Differential Equations 被引量:1
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作者 谢峰 《Chinese Quarterly Journal of Mathematics》 CSCD 2001年第3期69-74,共6页
In this paper, the fixed-point Theorem i s used to estimate an asymptotic solution of boundary value problems for a class o f third order quasilinear differential equation and the uniformly valid asymptot ic expansio... In this paper, the fixed-point Theorem i s used to estimate an asymptotic solution of boundary value problems for a class o f third order quasilinear differential equation and the uniformly valid asymptot ic expansion of solution of any orders including boundary layer is obtained. 展开更多
关键词 fixed-point Theorem quasilinear differential eq uation asymptotic expansion singular perturbaiton
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谈对课本习题的再创造
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作者 李华君 《物理通报》 2000年第7期28-30,共3页
物理教学中,对作业的布置这一环节,并没有被教师所忽视。但是,这一环节是否真正或更好地体现和符合素质教育的要求,这一问题却有待于教师们去探索。在作业的布置上,一种常见的倾向就是机械地照搬课本中的习题,甚至还对其进行取舍。现行... 物理教学中,对作业的布置这一环节,并没有被教师所忽视。但是,这一环节是否真正或更好地体现和符合素质教育的要求,这一问题却有待于教师们去探索。在作业的布置上,一种常见的倾向就是机械地照搬课本中的习题,甚至还对其进行取舍。现行教材中的习题,题量少,形式单一,并且多数是识记和模仿性内容,而理解性、综合性、创造性等形式习题数目极少。只布置课本中现成的习题,一方面减轻了学生的负担,同时也减轻了教师的负担,因能'双重减负',所以教师便'照本宣题'。习题布置的另一种倾向则是以学生完成课本习题为前提,以知、能'达标'为出发点,以引用或自己编印习题资料的作业布置形式,用以增加习题的数量和难度,让学生在课本外的题海中去理解知识。 展开更多
关键词 原展式 课本习题 物理教学 异解 递进 中学
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Evaluation of Several Phases in the Development of Management Accounting
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作者 Chaomi Zhang Qinru Qian 《Journal of Modern Accounting and Auditing》 2005年第7期1-10,共10页
This paper discusses three issues, raised by Relevance Lost (Johnson & Kaplan, 1987), about historical evaluation of the development of management accounting. The first issue is when management accounting system wa... This paper discusses three issues, raised by Relevance Lost (Johnson & Kaplan, 1987), about historical evaluation of the development of management accounting. The first issue is when management accounting system was formed; the second is how to evaluate its development in subsequent decades; the third is how to evaluate the development of practice and research of management accounting in almost twenty years after Relevance Lost was published. The role of Relevance Lost in practice and theoretical research of management accounting is widely recognized, and the disagreement with it in this paper is in the specific area of the development history of management accounting. The authors of this paper believe that the development, through having its ups and downs over time, is generally speaking a continuous process, not separated by disconnected phases, leaping from one to another. Along with the progress in practice and research, researchers and practitioners are deepening their understanding about the theoretical foundation and practical development of management accounting. The history of development of management accounting is consistent with the process people gradually understand it. 展开更多
关键词 history of development of management accounting theory PRACTICE methods behavior
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Scalable Load-Adaptive Web-Based Network Management System: An Architectural Prototype
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作者 Kamal A. Ahmat Russell Robinson 《Computer Technology and Application》 2013年第3期127-136,共10页
With the advances in enterprise communication and web technologies, web has evolved into a platform for delivering interactive applications. Web-based applications are revolutionizing both the features that can be del... With the advances in enterprise communication and web technologies, web has evolved into a platform for delivering interactive applications. Web-based applications are revolutionizing both the features that can be delivered and the technologies for developing and deploying applications. In this paper, we present a web-based load-adaptive network management system framework. Our system is scalable, extendable, modular and based on open architecture. It is also load-adaptive as it can adapt to the increase in the number of incoming Web Service requests so that the systems performance will not degrade under heavy request loads. To evaluate the proposed architecture, we built a multi-tiered web application testbed with open-source components widely used in industry. Experimental studies conducted on the testbed demonstrated the effectiveness of the proposed approach. By developing the platform and making it available to the research community, we hope to catalyze the development of an open source stack for Web-based network management and monitoring. 展开更多
关键词 Network management systems load balancing SNMP (Simple Network Management Protocol) enterprise system architecture.
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The scientific outlook on development and changes in the mode of human existence
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作者 陈学明 罗骞 《Social Sciences in China》 2009年第1期54-67,共14页
The scientific outlook on development, a major strategic line of thought put forward in the report at the CPC Seventeenth National Congress, is a social development strategy based on serious reflection on modern histo... The scientific outlook on development, a major strategic line of thought put forward in the report at the CPC Seventeenth National Congress, is a social development strategy based on serious reflection on modern historical development models and views. It exhibits a profound historical consciousness and rational awareness of contemporary human existence in abandoning nihilistic denial of human development, modem developmentalism based on "objective dependence" and the path of alienated development with "objects" as its criterion. This strategy puts people first and promotes man's free and all-round development, with a view to exploring and establishing a new pattern of civilization and realizing a great change in the form of human existence. The far-reaching significance of the scientific outlook on development is to make people clear about how China should develop in modem times and what the path of future development will be. But that is not all, its historical value is yet more deeply embedded in its theoretical exploration of what form of existence human beings should choose. 展开更多
关键词 principle of capital form of existence development in a scientific way harmonioussociety
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