水平沟道场控晶闸管的设计与制作

水平沟道场控晶闸管是一种新型结构的场控晶闸管,它与一般晶闸管相比具有开关速度快、制作工艺简单、与集成电路工艺兼容等优点.本文概述了这种器件的原理、设计与制作工艺.     

我国目前数学活动经验研究综述

数学活动经验是近几年数学课程改革研究的热点话题之一。我国数学教育研究工作者和实践工作者对数学活动经验的研究,目前主要集中在数学活动经验的内涵、类型、主要作用和教育价值、促进学生积累数学活动经验的教学策略等方面。未来研究应该注重清楚简洁地界定数学活动经验及其所包含的内容,研究、实践使学生获得并积累数学活动经验的策略,在研究、实验的基础上提出数学活动、数学活动经验的基本要求,积极开展实证性研究和评价研究等。     

What are the major impact factors on research performance of young doctorate holders in science in China: a USTC survey

Doctoral graduate research performance (DRP) is recognized as one of the most critical indices for evaluation of the success of doctoral education. Doctoral graduates with high research performance directly reflect a higher ability in academic research and academic achievement. Consequently, identifying which factors influence DRP is potentially of great value. This topic is also challenging because of difficulties in identifying the impact factors on research performance and the feasibility of the relative data collection. This paper first examines the relationships between the indicators and DRP. After a review of previous literature, the focus is on the doctoral graduates’ individual factors, advisor factors and learning performance. Data is collected from graduated doctors from the Science Schools of University of Science and Technology of China (USTC). Contrary to expectations, our findings indicate that, based on the Chinese context, learning performance does not appear to be strongly associated with research performance. Individual factors (status of academic origin) do have significant effect on DRP. The advisor factors (including academic status, academic experience and allocation of energy) show a relatively strong association with DRP, in terms of both the number of publications and the impact factor of Science Citation Index (SCI) cited journals.     

Mother–child joint writing in Chinese kindergarteners: metalinguistic awareness,maternal mediation and literacy acquisition

The present study examined the relations of Chinese word reading and writing to both maternal mediation of writing and a number of metalinguistic and cognitive skills in 63 Hong Kong Chinese kindergarteners. The whole process of maternal mediation of writing, in which mothers individually facilitated their children's writing of 12 two‐character words in their own ways, was videotaped. This study replicated and extended previous work on the cognitive strategies mothers use to help children in writing Chinese words. Mothers' typical mediation strategies were positively and significantly associated with both children's independent word reading and writing. In addition, maternal mediation of writing was uniquely associated with Chinese word reading, but not word writing, even with metalinguistic and cognitive skills, including phonological awareness, morphological awareness, orthographic processing and visual knowledge, statistically controlled. Findings underscore the importance of mothers' early scaffolding in facilitating children's literacy acquisition.     

试论自然辩证法课程的教育功能

自然辩证法课程是研究生教育的基础课、通识课,其教育功能不能仅仅定位为经济社会的发展培养人才,而应着眼于人的自由全面发展。自然辩证法课程教育具体体现为认知世界、能力培养、态度转变三大育人功能,其中认知世界、能力培养是途径,态度转变是核心,最终实现服务社会,也服务个人的教育目的。     

闽南语“逆序词”探析

通过对闽南语"逆序词"的界定、类型、特点等方面进行的分析,预测了它的发展趋势,希望人们理性地看待它存在的问题。     

高等职业教育国际合作质量的基本要素分析

本篇文章从四项基本要素,既教育思维国际化、合作目标清晰化、职业能力国际化、教育资源最优化等,论述了高等职业教育国际合作质量的问题。     

基于应用性的高职英语课程改革探究

高职教育的目标是为社会培养应用性人才,以此为背景的高职英语课程改革要以应用性为基本原则,从高职英语教学目标、教学内容、教学方法和教学成果四个方面加以推进,从而培养学生的英语综合应用能力。     

二语学习的课堂应该使用L1还是L2

本文的目的在于反对教师和学生应该在课堂上只使用L2(第二语言)而不使用第一语言来学习英语的观点。本文主要讨论一下两个问题:1.为什么在课堂上使用L1;2.为什么要在课堂上加大第二语言的使用以及如何做到。     

关于牛顿迭代公式的改进

经典的牛顿迭代公式是求解非线性方程的一个基本方法,它在单根具有平方收敛,在重根处只具有线性收敛,这里给出解非线性方程的牛顿迭代公式的一种改进,使得牛顿迭代公式在重根处也具有二阶收敛速度.