结合国家防汛抗旱指挥系统二期工程浅谈如何做好水利信息化监理工作

加强监管是做好水利信息化监理工作的核心,勇于担当的精神是监理加强监管的动力源泉。本文主要从监理在水利信息化项目的招标、设计、实施、验收四个阶段,采取“四控三管一协调”即质量控制、进度控制、成本控制、变更控制、信息安全、合同管理及知识产权管理、信息管理和组织协调的监理工作模式,并结合国家防汛抗旱指挥系统二期工程监理工作实际情况,浅谈如何做好信息化监理工作。     

“通信原理”实验课程的改进与探索

通信原理课程的实验教学环节是课程的重要组成部分,合理改进和设计实验课程,是加深学生对课程的理解和提高学生能力的必要手段。本文就当前通信原理实验课程存在的问题和改进方法进行探讨分析,并在教学中加以运用,取得了较好的效果。     

Dynamics and manipulation of ferroelectric domain walls in bismuth ferrite thin films

Ferroelectric domain walls differ from domains not only in their crystalline and discrete symmetry, but also in their electronic, magnetic, and mechanical properties. Although domain walls provide a degree of freedom to regulate the physical properties at the nanoscale, the relatively lower controllability prevents their practical applications in nano-devices. In this work, with the advantages of 3D domain configuration detection based on piezoresponse force microscopy, we find that the mobility of three types of domain walls (tail-to-tail, head-to-tail, head-to-head) in (001) BiFeO₃ films varies with the applied electrical field. Under low voltages, head-to-tail domain walls are more mobile than other domain walls, while, under high voltages, tail-to-tail domain walls become rather active and possess relatively long average lengths. This is due to the high nucleation energy and relatively low growth energy for charged domain walls. Finally, we demonstrate the manipulation of domain walls through successive electric writings, resulting in well-aligned conduction paths as designed, paving the way for their application in advanced spintronic, memory and communication nano-devices.     

基于课程育人的底盘构造课程思政建设探索

以专业课程育人目标为基本,基于"一轴六核"教学理念进行汽车底盘构造课程思政的建设探索.一轴即是以课程育人目标为纵轴,六核是以课程内容中涉及的底盘各个系统功能、工作原理、结构形式、关键系统发展史、前沿技术现状、教学团队科研成果为核心支撑.基于育人目标成效,通过修改及完善教学大纲和课程思政教学内容设计,使得底盘构造课程的知...     

明代书院发展的政治环境--正德年间广东书院创兴的分析

中国书院有近千年的历史,其中,明代书院发展最为坎坷、大起大落。对历代书院的兴袁。经典解释是从学校、科举、学术三个因素来分析,但这种解释只能说明表层的问题,并不能很好地解开明代书院起落的谜团。试通过正德政局影响广东书院的个案,分析广东书院兴起的历史境遇,揭示明代书院发展的深层历史动因。     

Beyond the Blockbuster: Good Exhibitions in Small Packages

Many American and European art museums are now featuring small, highly-focused shows in their exhibition programs. In 1990, the Indianapolis Museum of Art organized an exhibition that reunited, for the first time in a century, the four landscape paintings created by neo-impressionist Georges Seurat during the last summer of his life. Using Seurat at Gravelines: The Last Landscapes as an example, this article addresses the advantages — for museums and their visitors — of the small temporary exhibition.     

高校图书馆人才流失原因及对策

从高校图书馆人才流失的现状出发,分析了高校图书馆人才流失的外部、内部、个人等三方面的原因,提出解决高校图书馆人才流失问题的对策,最后指出了引进人才时应严把入口关、注重馆内人才的合理使用、防止人才“高消费”、建立人才预警机制等问题。     

对中学化学教育科研的思考

分析了中学化学教师科研工作现状,从微观层面阐述了中学化学教育科研的意义,提出了中学化学教育科研的内容、研究方法以及研究策略.     

突破教师职业发展高原期的思考与策略

联合国教科文组织曾做过一个调查,研究教师的教育经验和教育效果之间有什么联系。结果发现, 在刚走上工作岗位的五年之内,教龄与教学效果是成正比的,曲线呈上升趋势;第五年至第八年,普遍出现一个平稳的发展趋势八年以后,教师群体逐渐出现分化,小部分人通过再学习、再创造,教学水平得到升华,教学效果出现第二个上升期,逐步发展成