From Music to Physics: The Undervalued Legacy of Pythagoras     

Imelda Caleon  Subramaniam Ramanathan 《Science & Education》2008,17(4):449-456

This paper presents the early investigations about the nature of sound of the Pythagoreans, and how they started a tradition that remains valid up to present times—the use of numbers in representing natural reality. It will touch on the Pythagorean notion of musical harmony, which was extended to the notion of universal harmony. How the Pythagorean ideas have inspired many great works in physics, such as those of Galileo, Kepler and Newton, will also be presented. In exploring the legacy of Pythagoras to physics and the study of the universe, some valuable insights on the nature of science that can inspire budding physicists are extracted.  相似文献   

“经验之塔”对信息技术与英语课程整合的启示     

倪慧红  田良臣 《教育探究》2010,(1)

英语教学必须以信息技术为支撑充分发挥自己的学科优势,但如何通过信息技术与英语课程的整合促进英语教育目标的实现,这是一个迄今仍然值得认真加以探讨的论题。目前的英语教学中还存在着教师对整合的内涵理解不到位、多媒体主宰课堂、学生具体经验被忽略等不足。借鉴"经验之塔"理论,能够为我们解决实践中遇到的问题提供一些启示。  相似文献   

Expansion of spherical cavity of strain-softening materials with different elastic moduli of tension and compression     

LUO Zhan-you ZHU Xiang-rong GONG Xiao-nan 《浙江大学学报(A卷英文版)》2007,8(9):1380-1387

An expansion theory of spherical cavities in strain-softening materials with different moduli of tension and com-pression was presented. For geomaterials,two controlling parameters were introduced to take into account the different moduli and strain-softening properties. By means of elastic theory with different moduli and stress-softening models,general solutions cal-culating Tresca and Mohr-Coulomb materials' stress and displacement fields of expansion of spherical cavity were derived. The effects caused by different elastic moduli in tensile and compression and strain-softening rates on stress and displacement fields and development of plastic zone of expansion of cavity were analyzed. The results show that the ultimate expansion pressure,stress and displacement fields and development of plastic zone vary with the different elastic moduli and strain-softening prop-erties. If classical elastic theory is adopted and strain-softening properties are neglected,rather large errors may be the result.  相似文献   

发展中国家农村教育补偿政策实施状况及其比较——中国、印度、马来西亚、尼泊尔四国案例分析     

张乐天 《比较教育研究》2006,27(11):50-54

农村教育补偿政策的实施对发展中国家农村教育的发展起到了十分重要的促进作用.本文介绍了20世纪90年代以来中国、印度、马来西亚、尼泊尔四国实施农村教育补偿政策的基本状况,并对四国农村教育补偿政策的相似性与相异性进行了比较分析.  相似文献   

关于城市文化形象设计与建设的思考   总被引：1，自引：0，他引：1  

余方镇 《商丘师范学院学报》2006,22(2):157-160

城市文化是人们在城市形成和建设中所创造的物质财富和精神财富的总和,城市文化形象是城市文化的外在表征,更注重城市文化的外显性.城市文化形象具有地域性、交融性、集聚性和辐射性.城市文化形象凝聚着城市的灵魂,是城市无形的资产,是城市经济发展的推动力,是地域文化的集中表现,研究城市文化形象特征,把握城市文化脉络的走向,设计和创造出充满地方特色、性格魅力和生命活力的现代城市形象,是城市文化形象设计与建设的重要任务.  相似文献   

上古汉语虚词溯源与转语平行互证法——以九组常见虚词为例     

郭燕妮  黄易青 《北京师范大学学报(社会科学版)》2019,(2):79-90

戴震《转语二十章序》取虚词为例,按照意义和古音两条系联标准,用平行互证的方法重点证明了上古时地音变的一种类型——"位同",即发音部位发生了演变而发音方法保持不变。在"义同"的前提下,这种平行互证法可以证明上古发生过规律性音变、字形也发生过相应改变的虚词同源词。平行互证法是一种科学的、具有严密的推理逻辑的方法,戴震的平行互证具有由表及里的多层次证明逻辑。运用戴震的这种方法和结论对九组常用虚词的语源和声转渠道的规律性进行探讨,发现上古汉语虚词的声纽相通渠道主要有泥匣相转、泥喻相转、匣/疑与喻相转,韵转渠道主要有鱼之相转、歌鱼相转、歌通过鱼与之相转。  相似文献   

学术型研究生培养质量现状与提升对策研究     

姚芳  袁晓玲 《教育教学论坛》2019,(18):237-239

本文总结了我国学术型研究生培养质量特征及主要影响因素,指出培养过程中存在导师遴选机制不合理、学生录取方式不完善、学术活动流于形式、管理制度不健全等问题,造成现阶段学术型研究生培养质量下滑。针对存在问题,本文提出构建"指导有方、教研相长、追求创新、制度健全"的培养模式,具体从完善导师指导、鼓励学生创新、确保教学科研品质、提升管理服务水平等四个方面提升学术型研究生培养质量。  相似文献   

Comparing balance and inverse methods on learning conceptual and procedural knowledge in equation solving: a cognitive load perspective     

Bing Hiong Ngu  Huy Phuong Phan 《Pedagogies: An International Journal》2016,11(1):63-83

We examined the use of balance and inverse methods in equation solving. The main difference between the balance and inverse methods lies in the operational line (e.g. +2 on both sides vs ?2 becomes +2). Differential element interactivity favours the inverse method because the interaction between elements occurs on both sides of the equation for the balance method but only on one side of the equation for the inverse method. In an experimental study, 63 students (mean age = 13) were randomly allocated to either balance or inverse group to undertake a pre-test, study an instruction sheet, complete acquisition equations, sit for a post-test and a concept test. Procedural knowledge was assessed on performance on practice equations and post-test, whereas conceptual knowledge was assessed on performance on the concept test. The inverse group outperformed the balance group on practice equations but not the post-test. Both the balance and inverse groups scored higher on the inverse concept test than the balance concept test. Positive association between performance on procedural knowledge and performance on conceptual knowledge was found for the inverse group but not the balance group. Overall, the evidence obtained indicates a number of educational implications for implementation.  相似文献   

我国蒙氏教育中现存的误区和对策     

李娜 《湖州师范学院学报》2005,27(5):105-107

在世界幼儿教育改革的大潮中,蒙台梭利教育法或成为许多国家重要的幼教模式,或被成功渗入到其教育模式之中,对当今世界各国幼儿教育的改革与发展有着重要的影响.同样,蒙台梭利教育法对我国幼儿教育的改革也具有借鉴意义.但是,必须正视我国蒙台梭利教育实践过程中存在的误区,以实现蒙台梭利教育法的中国化.  相似文献   

现代饭店业员工满意度动态管理探析     

罗晓彬  王汝辉  赵潇潇 《绵阳师范学院学报》2005,24(6):22-26

目前，饭店业员工较高的流动比例已成为制约饭店业发展的制肘。员工的满意度是饭店稳定发展的基础，同时也是饭店人力资源管理的中心。泰文在吸收已有研究成果的基础上，以管理学中的仝过程管理理念为指导，从员工满意度的概念、内涵等方面着手，对员工的全过程实行动态追踪管理，以提升员工的满意度。  相似文献