我国男子排球队备战奥运会阵容配备设想及进攻战术发展与创新思路探究

我国男子排球队在历史上曾有过巅峰期,与技、战术发展和创新有一定关系.但近年战绩不佳,经分析论证,认为我国男子排球队要想在奥运会上与欧美高大型诸强抗衡,在阵容配备方面不宜再采用"五一配备",应改用"四二配备",战术运用和发展方面,应具有创新理念.根据实验结果,主张在传统快攻战术的基础上向立体快攻发展,利用单脚冲跳技术,扣高点快球、高点短平拉;战术可向前后排立体重叠、立体错位、立体交叉等多维空间进行扩展.     

Developing a prototype information system framework to handle pedagogical knowledge in a secondary school modern foreign languages department

This paper reports a small-scale project to develop a prototype web-based information system to support teaching and learning within the modern languages department of a comprehensive secondary school. The system was developed in close consultation with the teaching staff and the work is presented within the broader context of knowledge management systems and their potential use in an educational environment.     

技术应用型本科院校办学定位思考

发展本科层次的技术教育是世界各国高等教育发展的共同趋势,是高等教育在社会经济发展到一定阶段的必然选择,上海地区社会经济发展对高层次技术人才的需求就向高等教育提出了这种要求。文章对"技术应用型本科教育"办学定位的依据、内涵、意义作了阐释,为同类院校探讨办学定位问题提供借鉴。     

The ethical status of non-commercial spam

Much attention has been given in recent years to the moral status of commercial spam. Less attention has been focused on newer, non-commercial varieties of spam, such as spam from political parties, community sector organizations and governments. This article makes a start on evaluating the moral status of these non-commercial varieties of spam, drawing on arguments used to evaluate commercial spam.     

Solid acid catalysts in green chemistry

This article deals with various ‘supported’ acid catalysts developed as alternatives for the conventional ones in organic synthesis. They have advantages such as producing less toxic waste and using less energy.