在线教师专业发展新理路：英国“学习设计支持环境项目”的探索与启示*

在线合作与反思成为教师专业发展的重要途径,具有显著的生态性效应、经济性和可持续性优势。英国伦敦大学教育学院承担的学习设计支持环境项目是对在线教师专业发展的一次成功探索,取得了良好的社会效益。作者概括了该项目的研究背景,整理了其探索内容和路径,分析了其理念以及对我国在线教师专业发展研究和实践的意义和启示。     

关于高校图书馆扩建问题的思考

高校图书馆的扩建正成为一种普遍现象,扩建时既要体现图书馆现代建筑理念的变化,又要考虑扩建馆与旧馆的功能和外观设计上的和谐统一,因此在选择扩建模式和方案决策时将更为复杂。参考文献5。     

简化对称摆动机构的设计与计算

本文介绍了一种简化对称摆动机构,导出了设计误差的计算公式,论述了另类机构设计的理论根据.     

Visual function,performance, and processing of basketball players vs. sedentary individuals

BackgroundAthletes tend to have better visuo-motor performance than do sedentary individuals. However, several basic visual-function and perceptual parameters remain unexplored to date. In this study, we investigated whether differences exist in visual function, performance, and processing between basketball players and individuals without a sport-involvement background.MethodsA total of 33 healthy men with no visual impairment or pathology were divided into 2 groups, depending on the involvement in sport (semi-professional basketball players and sedentary individuals). We tested their baseline heart-rate variability in the resting position apart from subjective questionnaires to determine their physical fitness level, and we checked their visual function, performance, and processing through an extended battery of optometric tests.ResultsThe 2 groups differed in resting heart-rate variability parameters (p < 0.001), confirming their dissimilarities in regular time practising sports per week. The basketball players showed a closer breakpoint and recovery nearpoint of convergence, a higher fusional-vergence rate, better discriminability halos, and better eye–hand coordination (all p values < 0.05).ConclusionThese results show evidence that athletes, basketball players in this case, exhibit better performance in several visual abilities in comparison to a group of individuals without sporting backgrounds, suggesting an improvement due to the systematic involvement of those skills during basketball practice.     

The work of the audience: visual matrix methodology in museums

ABSTRACT

Visual matrix methodology has been designed for researching cultural imaginaries. It is an image-led, group-based method that creates a “third space” research setting to observe audience groups re-enacting lived experience of an event or process that takes place in the third space of a cultural setting. In this article, the method is described through its use in relation to an art-science exhibition, Human+ Future of the species, where three audience groups with investments in technology worked with exhibition material to achieve a complex ambivalent state of mind regarding technological futures. The visual matrix has been designed to capture the affective and aesthetic quality of audience engagement in third space by showing what audiences do with what is presented to them. We argue that such methodologies are useful for museums as they grapple with their role as sites where citizens not only engage in dialogue with one another but actively re-work their imaginaries of the future.     

Instructional design for single information literacy sessions

Abstract

The purpose of this paper is to describe how the Understanding by Design instructional design framework can be applied to design high-quality single-session information literacy instruction. The author describes the Understanding by Design process in detail, noting modifications for single instructional session design with examples from the application of this instructional design process to design co-curricular instruction sessions for undergraduates.     

汶川地震对档案馆建筑安全设计的启示

四川省汶川县发生的强烈地震灾害．给人民群众的生命财产造成严重损失。这给档案馆建筑安全设计带来了启示：档案馆防灾必须坚持一定的原则．在重视应急预案的同时．还要从建筑本身入手。从提高抗震标准、进行科学选址、加大开放空间和优化设计方案等方面入手．利用建筑本身的防灾能力防止或减弱灾害对档案馆的威胁．从建筑设计上尽最大可能保证档案的完整与安全．     

ERR对象与Visual Basic中的错误处理

本文介绍了Visual Basic中的错误处理机制及公用对象ERR；在此基础上举例说明了利用错误处理实现Visual Basic未提供的功能，以及将错误迁入调用堆栈而后进行处理等错误处理中较为深入的问题。     

Visual FoxPro中常见错误及其处理方法

在应用程序设计中 ,程序的调试是程序设计的重要一环 .重点介绍Visualfoxpro中常见错误及其错误的处理方法 ,以便提高应用程序的质量和效果     

基于约束的夹具三维设计方法

介绍了基于约束的夹具三维设计方法，提高夹具设计效率，提高夹具设计精度．基于约束的夹具三维设计的核心是基于约束的几何建模，即通过几何约束系统来定义物体，通过解约束条件来自动构造物体，在修改设计的过程中可以保持装配关系，与以前的计算机辅助夹具设计系统相比具有很强的实用性。