“显摆”功能

方言里的“显摆”，通常指把自认为是优势的地方恨不得告诉全世界。比如小时候得到父亲送的购自上海的自动文具盒，比如再大一点收到了男生情书，都是非常适合显摆的元素。它比闷骚更浓烈，比吹嘘更原色。     

对付小杂鱼闹钩策略

冬天快过去了，春天即将来临。一开春，钓鱼人的黄金季节也就到了。     

对付小杂鱼闹钩策略

冬天快过去了,春天即将来临。一开春,钓鱼人的黄金季节也就到了。但钓鱼人最烦的是春、夏小杂鱼极多,闹钩窜饵,搅窝夺食,搞得很多钓鱼人无所适从。     

小学综合实践活动探究性学习例谈

探究性学习是新课改积极倡导的学习意识,在综合实践活动课程中引入探究学习模式,符合学生综合实践活动实际需求,具有较强的适合度。教师要展开全面的实践性调查,优化综合实践活动设计方案,以有效启发学生实践探究学习思维,并使学生在不断历练过程中形成综合实践能力。     

探索网络文化视野中的教育新天地

国际互联网所创造的网络文化与教育新时空,已成为教育理论与实践发展的广阔新舞台。从网络文化的视野中深化网络教育的理论与实践探索,这是当前世界范围内教育研究的热点与前沿课题。从本期开始,本刊设立“网络文化与教育”这一新专栏。特邀请华南师范大学未来教育研究中心主任桑新民教授担任本专栏主持人。     

镉真空蒸馏的热力学模型与过程

In this paper, a novel approach for highly efficient purification of cadmium by vacuum distillation was reported. During the cadmium vacuum distillation, a small quantity of cadmium oxide film, produced under lower vacuum, was intentionally induced into the evaporator, and the presence of cadmium oxide changed the behavior of impurities. Meantime, a thermodynamic model of the process, which described the phase composition in the evaporator and condenser during evaporation of cadmium, was established. The model was used to classify the impurities according to their behavior in the purification process. On the base of the model, the purification of cadmium by one-stage and two-stage distillation and the validity of the model were also discussed.     

谈豫剧板胡及其演奏艺术

豫剧板胡的产生、发展及特点，板胡在豫剧音乐中的演奏艺术。