关于粘性导数的几个性质的探讨

M .G .Crandall等人在文 [1]中给出了函数的粘性导数的概念。在这个概念的基础上我们讨论了函数的粘性导数的上 (下 )导集的几个性质 :在函数可微点处的性质、闭凸性质、与C1类函数的和的性质、与C2 类函数的差在严格局部极大 (小 )值点的性质。     

新词新语研究中的几个问题

文章对新词新语的界定问题,旧词产生新义算不算新词语的问题,字母构成、数字构成算不算词的问题,新词新语应用中的特殊语法现象问题,多音节词和缩略词的同步滋生以及缩略词与原词语结构的不等同性问题以及新词新语的规范等相关问题进行了思考和探讨.     

Simple groups with orders 2^a3^b5^cp^d, 2^a3^b7^cp^d and 2^a3^b5^c7^d

This work deals with the power exponent r1 and r2 respectively of the maximal and second-maximal prime factors ofthe order of simple K4-group, and the classification for simple {5,7}′-K4-group G (i.e. ｜G｜ can not be divided by 5 nor by 7 or ｜π(G)｜ = 4 ), simple 5′ -K4-group G (i.e. ｜G｜ can not divided by 5 and ｜π(G)｜ =4) and simple 7′-Ea-group G (i.e. ｜G｜ can notdivided by 7 and ｜π(G)｜ =4). It is derived that r1 =1, 2 and 4, and r2 is not greater than 4. All the simple K4-groups with order 2^a3^b5^cp^d, 2^a3^b7^cp^d and 2^a3^b5^c7^d are obtained.     

中国动漫产业的现状分析

动漫产业是融艺术、科技、出版、玩具制造、商业、旅游、服装等于一体的综合性现代化大型产业.目前,中国社会需求结构和消费结构正在发生深刻的变化.人们开始追求一种精神文化含量更高的生活和消费,社会经济开始向精神--文化消费转型.从世界范围看.动漫早己成为满足人们精神文化生活的产品.动漫产业因此成为发达国家的重要支柱产业.因此有必要采取动态的研究方法,对动漫产业链的构造与互动问题加以研究.     

《商君书》中单音词的通假义初探

本文主要考察《商君书》五十五个通假字 ,分析这些通假义产生的途径和方法及使用情况     

我国非法证据排除规则疑难问题解析

十八大指出全面推进依法治国建设,注重司法人权保障成为刑事诉讼法的重要内容之一,非法证据排除规则正是在这一理念指引下产生,本文针对我国目前非法证据排除规则中的一些疑难问题进行解析,指出我国目前存在的不足之处以及未来完善之构想。     

BDNF介导运动对脑高级功能——学习记忆能力的促进作用

对BDNF在运动促进学习记忆能力过程中的作用进行综述，并探讨其可能的机制。研究认为，体育运动有助于学习记忆能力的提高，其机制之一可能是运动加强海马等与学习记忆相关脑区BDNF mRNA表达，使BDNF含量增加。BDNF在学习记忆过程中起重要的调控作用。BDNF主要作用于TrkB受体，可能经MAPK和IP3-K信号途径，易化神经递质合成与释放，增强突触传递效能，从而对学习记忆起到促进作用。     

从谐音流行语看谐音与衔接

谐音衔接作为一种语篇衔接手段,可以分为“显性谐音衔接”和“隐性谐音衔接”两大类。文章运用从网络上收集．到的“杯具”及衍生的谐音流行语,对这两大类谐音衔接机制进行了分析和探讨,认为谐音衔接在本质上是语义的,语音只是衔接的表层手段,深层目的是实现篇章的语义连贯。     

Relationship of Brain-Derived Neurotrophic Factor with Interleukin-23, Testosterone and Disease Severity in Schizophrenia

Hormonal imbalance, inflammation and alteration in synaptic plasticity are reported to play a crucial role in the pathogenesis of schizophrenia. The objective of the study was to assess the serum levels of brain derived neurotrophic factor (BDNF) and its association with interleukin-23 (IL-23), testosterone and disease severity in schizophrenia. 40 cases and 40 controls were included in the study. Serum levels of BDNF, IL-23 and testosterone were estimated in all the subjects. Disease severity was assessed using Positive and Negative Syndrome Scale (PANSS). The study was designed in Tertiary care hospital, South India. The results were compared between two groups using Mann–Whitney U test. Spearman Correlation analysis was used to assess the association between biochemical parameters and PANSS. Interleukin-23 and testosterone were significantly increased and BDNF was significantly reduced in schizophrenia cases when compared with controls. BDNF was negatively correlated with IL-23 (r = − 400, p = 0.011), positive symptom subscale (r = − 0.393, p = 0.012), general psychopathology score subscale (r = − 407, p = 0.009) and total symptom subscale (r = − 404, p = 0.010). There was no significant association of IL-23 and testosterone with disease severity in schizophrenia cases. BDNF was reduced in schizophrenia cases and negatively associated with interleukin-23 and disease severity scores.     

数学思想及其教学之我见

从一个崭新的角度分析了“数学思想” ,并对其基本特征进行了揭示