奇异拟线性椭圆方程的正整体有界解

设β≥0是常数,f:RN×R ×RN→RN是一个连续函数．本文研究形如△u f(x,u,▽u)u-β=0,x∈RN(N≥3)的奇异拟线性椭圆方程的正整体解,给出了该类方程具有界的正整体解的若干充分条件．     

The effects of college students’ positive thinking,learning motivation and self-regulation through a self-reflection intervention in Taiwan

This quasi-experimental study examined the effects of a self-reflection intervention on college (college in this article refers to university-level education) students’ positive thinking, learning motivation and self-regulation in Taiwan. One hundred and two college students were selected to participate in an 18-week intervention forming the experimental group (EG) which emphasized providing main lecture, role-play, self-reflection activity, group discussion and group work. Another 179 college students from two other courses were selected as a comparison group. This study showed that supportive, resourced discussion with peers and instructor, self-reflection activities and assignment as a facilitative agent improved the EG students’ positive thinking, learning motivation and self-regulation. In addition, three structural equation models revealed that positive thinking had a strong and direct relation to Taiwanese college students’ pretest learning motivation (β?=?.85) and self-regulation (β?=?.77); learning motivation had a strong and direct relation to students’ pretest positive thinking (β?=?.86) and self-regulation (β?=?.81); and self-regulation had a strong and direct relation to students’ pretest positive thinking (β?=?.83) and learning motivation (β?=?.86). Instructional implications and research recommendations are discussed.     

关于指数Diophantine方程a~x+b~y=c~z的一个猜想

设r是大于1的奇数,m是偶数,U_r和V_r是适合的整数,证明了:当r=3(mod4),m=2(mod4),m>r/Ⅱ且c是素数方幂时,方程口。a~x+b~y=c~x仅有正整数解(x,y,z)一(2,2,r).     

从非经常性损益看上市公司的盈余管理--对上市公司信息披露中的非经常性损益的实证分析

针对上市公司所披露的非经常性损益，章运用统计分析方法，从上市公司盈利质量的总体特征、非经常性损益与配股线、委托理财与上市公司的盈余管理3个方面进行了实证分析。     

大学生心态状况调查及其积极心态培养对策研究

文章利用一般自我效能感量表和简易应对方式量表，对某校大学生作抽样调查，结果显示：不同性别和专业的大学生在自我效能感和应对方式上无显著差异；大学生自我效能感的来源存在偏差，主导性的应对方式也有错位。这表明当代大学生的心态并非都是积极的。因此，高校思想政治工作者要高度关注和研究大学生的心态问题。要培养大学生基于能力的自我效能感，要形成以行动为主导的应对方式，要建立起积极心态培训机制。     

一类非线性方程奇异边值问题正解存在性及熄灭现象

本文讨论了一类非线性方程奇异边值问题正解存在性和唯一性，还给出了解有熄灭现象的充分必要条件．     

语篇的主谓推进模式分析

主位推进模式理论是分析篇章段落中连续分句中主位、述位之间关系的一种理论,是分析篇章微观结构的重要手段.Halliday将信息结构与主述位结构分离的观点以及Danes的主位述位出现顺序决定语篇信息结构的观点为进一步划分主位推进模式提供了理论基础.通过了接主位推进模式,可以帮助作者们更好的构建篇章的整体框架.因此主述位推进理论对英语的写作、阅读等教学工作有重要的指导意义.     

一种基于正区域及其分类纯度的决策树算法

本文分析了基于正区域的决策树生成算法的不足,针对这些不足,提出了基于正区域及其分类纯度的决策树算法。该方法计算简单,易于理解,并用实例说明了该方法的优越性。     

Translation Analysis from Functional Linguistics Perspective

As a branch of linguistics,Functional Grammar plays an important role in translation analysis.From the perspective of patterns of progression and cohesion,a text and its translation from TEM8 examination is studied as an example to get some general rules,and thus,a new approach of translation analysis is offered.     

一类三阶n点边值问题的正解的存在性

令ai≥0,i=1,…,m-3且am-2>0.再令ξi满足0<ξ1<ξ2<…<ξm-2<1且∑m-2i=1aiξi<1.我们研究下面边值问题正解的存在性u?(t)+a(t)f(t)=0,t∈(0,1),u(0)=u′(0)=0,u′(1)=∑m-2i=1aiu′(ξi)其中a(t)∈C([0,1],[0,∞]),f(t)∈C([0,1],[0,∞]).通过锥上的不动点定理证明了在f满足超线性或次线性条件下,上述问题至少存在一个正解.