关于正定矩阵子矩阵的范数不等式

对于两个正定矩阵的子阵的奇异值之间的关系,给出了一个范数不等式。     

大学生反刍思维对积极情绪和消极情绪的影响

采用反刍思维量表和积极情绪消极情绪量表对大学生进行问卷调查,探讨大学生反刍思维对积极情绪和消极情绪的影响。研究结果表明目前大学生反刍思维倾向普遍不严重;男女反刍思维倾向不存在显著性差异;来自农村的大学生比来自城镇的大学生的反刍思维倾向严重;反刍思维会使人产生消极情绪;反省深思对积极情绪的产生有一定促进作用。     

Beauty of“Deviance”:A Study of Hills Like White Elephants from the Per-spective of Motivated Prominence

Ernest Hemingway’s short story of Hills Like White Elephants is a masterpiece with an open ending depicted with virtu-osity. While it has attracted much discussion from different perspectives, one part...     

Kummer判别法的改进和推论

对于正项级数,判定其敛散性有许多方法,常用的有达朗贝尔判别法,柯西判别法等,但有些级数用此二法不能判定其敛散性,比如在此二法中极限为1的正项级数.在这篇文章中,将给出判定正项级数敛散性的另外一种方法以及一些相关的推论,解决了以上的问题.     

不定方程mx+2y+z=n(m≥3,n≥m+3)的正整数解数

给出了不定方程mx+2y+z=n(m≥3,n≥m+3)的正整数解以及非负整数解的个数的计算公式.同时也给出了将正整数n拆分成若干个1,2和m的拆分数的表达式.进一步给出了x1+2x2+3x3+4x4=n的正整数解的个数以及关于一般情形下的不定方程的正整数解的个数的递推关系.     

构建高校“积极、体验式”心理健康课堂教学

积极心理学是心理学研究的一股新兴力量,致力于研究人类的积极心理品质,对心理学重新进行诠释。学习体验既是一种生命体验,又是建构知识意义、焕发生命活力、提升生命价值的手段和途径。该文旨在吸收、整合积极心理学及学习体验理论的精华,探索高校“积极、体验式”心理健康课堂教学的构建。     

大学英语四级考试听力障碍分析

本文从大学英语四级考试听力出发,分析了学生听力中存在的心理因素、语言因素和题材因素等方面的障碍,并对克服这些障碍提供了积极建议。     

Facilitators or suppressors: Effects of experimentally induced emotions on multimedia learning

The present study investigated the influence of experimentally induced emotions (positive, neutral, negative) on learning with multimedia instruction with N = 75 university students. In order to provide sound explanations about how emotional state might impact learning, measures of motivation, cognitive load, and attentional processes (eye tracking) were integrated. Results showed that while emotions did not influence retention, emotions did influence outcomes of the comprehension and transfer test. Specifically, a facilitating effect of an induced negative emotional state on learning outcomes was observed, which could be attributed to a more focused and detailed information processing. In contrast, an induced positive emotional state had a suppressing effect on learning outcomes since learners were distracted from the learning materials by their emotions. Motivational measures were not influenced by learners' different emotional states, but overall, controlled motivation increased and autonomous motivation decreased during learning. In sum, the learners' emotional state should be considered in learning research as an important predictor for learning success.     

一类连续控制SI模型的动力学分析

建立并研究了一类连续释放害虫策略的SI模型,讨论了SI模型边界平衡点的存在性和局部稳定性,证明了系统在一定条件下存在唯一的全局渐进稳定的正平衡点．最后通过数值模拟进行了验证．