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多元表征理论下的教学设计——以人教B版“组合”教学设计为例 被引量:1
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作者 郭秀玲 马翔 《中国数学教育(高中版)》 2013年第1期73-75,共3页
概念教学是数学教学不可或缺的重要组成部分,所谓概念表征是用某种形式,将概念重新表征出来,不同的表征将导致不同的思维方式和不同的学习效果.强调多层次、多角度选取多元素材表征概念是运用“多元表征理论”设计教学的重要途径.
关键词 多元表征理论 组合和组合数 教学概念 概念教学
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Improved Canonical Quantization Method of Self Dual Field
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作者 樊丰华 黄永畅 《Communications in Theoretical Physics》 SCIE CAS CSCD 2012年第10期504-508,共5页
In this paper,the improved canonical quantization method of the self dual field is given in order to overcome linear combination problem about the second class constraint and the first class constraint number maximiza... In this paper,the improved canonical quantization method of the self dual field is given in order to overcome linear combination problem about the second class constraint and the first class constraint number maximization problem in the Dirac method.In the improved canonical quantization method,there are no artificial linear combination and the first class constraint number maximization problems,at the same time,the stability of the system is considered.Therefore,the improved canonical quantization method is more natural and easier accepted by people than the usual Dirac method.We use the improved canonical quantization method to realize the canonical quantization of the self dual field,which has relation with string theory successfully and the results are equal to the results by using the Dirac method. 展开更多
关键词 canonical quantization self dual field canonical quantization method
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