齿轮范成实验的一种图形仿真系统   总被引：1，自引：0，他引：1  

谭伟明  唐东炜  吴楷 《实验技术与管理》2011,28(8):73-75

介绍一种面向齿轮范成原理实验教学的图形仿真CAI软件。借助于计算机图形学工具,直观、动态地模拟齿轮范成加工的情况,充分展示齿轮设计参数对于渐开线齿廓曲线的影响规律。多年的实践证明,利用该软件进行实验教学,不但能够提高实验效率,还能使学生更容易理解和掌握齿轮传动理论。与传统的机械式齿轮范成仪实验相结合,二者相得益彰,能够得到最好的教学效果。  相似文献   

女性教育对艾滋病在全球蔓延的有力回应——基于女性主义性别观的视角     

谭菲  李俐 《佳木斯教育学院学报》2011,(3):473-474

实现两性平等是女性主义理论的核心思想,也是女性教育的总体目标。随着艾滋病在全球蔓延及女性感染艾滋病数量的增多,女性教育面临着巨大的挑战,防艾教育已成为一个不可回避的话题。基于女性主义性别观的视角,探讨艾滋病对女性教育的影响,并提出改进女性教育的策略和方法,具有重要的理论与现实意义。  相似文献   

Close Friendship Strength and Broader Peer Group Desirability as Differential Predictors of Adult Mental Health     

Rachel K. Narr  Joseph P. Allen  Joseph S. Tan  Emily L. Loeb 《Child development》2019,90(1):298-313

Middle adolescents’ close friendship strength and the degree to which their broader peer group expressed a preference to affiliate with them were examined as predictors of relative change in depressive symptoms, self-worth, and social anxiety symptoms from ages 15 to 25 using multimethod, longitudinal data from 169 adolescents. Close friendship strength in midadolescence predicted relative increases in self-worth and decreases in anxiety and depressive symptoms by early adulthood. Affiliation preference by the broader peer group, in contrast, predicted higher social anxiety by early adulthood. Results are interpreted as suggesting that adolescents who prioritize forming close friendships are better situated to manage key social developmental tasks going forward than adolescents who prioritize attaining preference with many others in their peer milieu.  相似文献   

先秦隐逸思想浅析     

谭慧存 《商丘师范学院学报》2011,27(2):20-24

隐逸思想的产生由来已久,自其产生时就与政治有着密切的联系。隐逸,本身就是一种对政治的态度。隐逸思想在其产生后对后世士人产生了重大的影响,出仕和隐逸的思想,根植于士人的血液之中,成为调节其进退出处的依据所在。士人隐逸思想的产生渊源,既可以上溯到先秦时代的隐者,也可以从先秦时期儒家和道家的思想中窥得一二。隐逸思想背后蕴含了士人对道德的坚守、对个体生命价值的追求及对社会的批判。研究先秦时期的隐逸思想的产生和发展,有助于我们理解后世士人的隐逸思想渊源,从而对隐逸思想有更深一步的认识。  相似文献   

原创的美学——评颜翔林的《后形而上学美学》     

谭容培 《湘南学院学报》2011,32(3):119-120,124

颜翔林的新著《后形而上学美学》,对于美学原理的研究,具有一定的创新性,建构出具有当代中国特色的美学体系,推进了当下的美学研究。  相似文献   

Design and reliability, availability, maintainability, and safety analysis of a high availability quadruple vital computer system     

Ping Tan  Wei-ting He  Jia Lin  Hong-ming Zhao  Jian Chu 《浙江大学学报(A卷英文版)》2011,12(12):926-935

With the development of high-speed railways in China, more than 2000 high-speed trains will be put into use. Safety and efficiency of railway transportation is increasingly important. We have designed a high availability quadruple vital computer (HAQVC) system based on the analysis of the architecture of the traditional double 2-out-of-2 system and 2-out-of-3 system. The HAQVC system is a system with high availability and safety, with prominent characteristics such as fire-new internal architecture, high efficiency, reliable data interaction mechanism, and operation state change mechanism. The hardware of the vital CPU is based on ARM7 with the real-time embedded safe operation system (ES-OS). The Markov modeling method is designed to evaluate the reliability, availability, maintainability, and safety (RAMS) of the system. In this paper, we demonstrate that the HAQVC system is more reliable than the all voting triple modular redundancy (AVTMR) system and double 2-out-of-2 system. Thus, the design can be used for a specific application system, such as an airplane or high-speed railway system.  相似文献   

作家兰姆与梁遇春比较研究     

刘坛 《西北成人教育学报》2011,(3):26-28

兰姆是英国随笔艺术的代表作家,他的作品传入中国之后,对中国新文学产生很大影响,梁遇春是一位深得兰姆精髓的作家,他也被称为中国的"兰姆"。本文首先概述兰姆和梁遇春散文的创作情况,接着从题材、文体、人生哲学三个方面阐述兰姆对梁遇春的影响。  相似文献   

GIS专业高等数学教学改革探讨   总被引：1，自引：0，他引：1  

贺新光  陈丽娟  谭子芳 《成都教育学院学报》2011,(6):85-87,90

高等数学是高等院校地理信息系统（GIS）专业培养计划中一门重要的基础理论课,这门课程的教学效果对学生后续专业课程的学习起着至关重要的作用。以地理信息系统专业为高等数学的教学大背景,分别从高等数学的教学内容、授课方式、教学检验及师生关系等多方面入手,探讨在GIS专业中如何开展更具专业特色的高等数学课程教学,可以激发GIS专业学生对高等数学的学习兴趣,达到较好的教学效果。  相似文献   

Assessment for learning in Singapore: unpacking its meanings and identifying some areas for improvement   总被引：2，自引：1，他引：1  

Kelvin Tan 《Educational Research for Policy and Practice》2011,10(2):91-103

This article examines the meanings and impact of ‘Assessment for Learning’ initiatives in schools against the back drop of assessment reform in Singapore since 1997. It is argued that Assessment for Learning’ is understood in different ways, and these different meanings do not always benefit students’ learning. The different meanings of ‘Assessment for Learning’ in Singapore are unpacked, and three areas for improvement for Assessment for Learning are suggested—clear standards for effective feedback practices, assessment for sustainable learning and assessment for integrating holistic learning.  相似文献   

初中英语句型教学一步到位——基于“农民思维”变“渔民思维”的视角     

谭记翠 《教育与教学研究》2011,(11):114-117,128

作为中国语境下的初中英语教学实践过程,就是把学生的"农民思维"方式改造为"渔民思维"方式的过程。英语中千变万化的句子归根到底都离不开"主+系+表"句型、"There be"句型、"主+谓+宾"句型三大基本句型,所有的英语句子都是这三种句型的扩展和延伸,因此掌握三大基本句型至关重要。对三大基本句型的学习是训练英语思维的出发点。采用学生耳熟能详的童谣、歌曲等教学手段帮助学生巧学妙记三大基本句型,并通过简单句变长句、复杂句等练习,可收到较好的效果。  相似文献