Greub-Rheinboldt不等式和Polya-Szego不等式的积分形式

本文给出了Greub—Rheinboldt不等式和Polya—Szego不等式的一种易一一积分形式。     

“Sport for Development” in developing countries: The case of the Vilas Olímpicas do Rio de Janeiro

The benefits of sport for general social outcomes has permeated sport policy in Brazil since the beginning of the twentieth century, but recently the jargon of “development through sport” is more overtly informing public policy and government action in this field. Despite increased uptake of the positive discourse of “sport as a development tool”, the reality for government-funded and -run “sport for development” programs is one far removed from enjoying the attention and financial investment needed to reach their stated development goals. This paper focuses on one such program: the Vilas Olímpicas do Rio de Janeiro. When analysing the specific matters associated with the management of this program three themes were identified that encapsulate the main issues that emerged during the analysis: partnerships, conflicting aims, and community involvement. These themes are analysed in light of the literature that discusses the application of “sport for development” programs worldwide and we conclude with some questions on the applicability of well-defined frameworks and approaches to such programs when these programs themselves tend to operate in very ill-defined and unstable environments.     

人格发展的稳定性与可变性

长期以来,人格的稳定性与可变性是心理学中一个富有争议的主题。文章从人格发展稳定性与可变性的内涵、机制、相互关系等方面的理论和研究进行了探讨,并对未来研究方向提出若干看法。     

关于积分问题的一题多解

本文拟从换元法角度对无理函数的不定积分的解题方法作一定探讨。     

椭圆形建筑场馆放样方法探讨

分析了椭圆形建筑场馆施工点位坐标获取方法,进而阐述了智能全站仪坐标放样法在场馆中的实施方法。     

语言的嬗变及语用特点

世界各民族语言,作为文化传播的重要载体,随着社会民族历史的变迁和政治、经济、文化的发展,也在不断地发展变化且历经了复杂、漫长的演变过程.     

再论向量场X(v)=Av+f(v)v的极限环

得到了向量场有极限环的必要条件是2×2矩阵A有复特征值,以及讨论了极限环存在和唯一的一些充分条件,这里f(v)也许是非齐次函数。     

布什政府的“民主改造”战略探析

“9.11”事件之后,美国加大了向第三世界国家推行民主自由价值的力度。布什政府借“反恐”之机,向第三世界国家特别是所谓的“流氓国家”与“失败国家”实施“民主改造”战略,不但采取政治、经济、军事等各种手段对这些国家进行“政权变更”,而且企图主导它们的“国家建设”进程。布什政府的“民主改造”战略本质上是为美国霸权服务的,必将遭到第三世界国家的强烈抵制,最终难逃失败的命运。     

单调有界数列一定收敛的新证法

单调有界数列一定有极限 ,采用对区间进行平分再平分 (用二进制表示 )的方法巧妙地给出了有效的证明。用这种方法也可以来证明其它的几个基本定理。     

一类重极限不存在的路径选取方法

通过对函数的幂次、直线路径与曲线路径、无穷小的阶三方关系的分析，提出了一类证明重极限不存在的路径选取方法——无穷小的阶的幂次平衡法．