基于硫堇感光成像体系的实验教学研究  

Experiment Teaching Research Based on Photosensitive Imaging of Thionine

作　　者：袁传军 YUAN Chuan-Jun(College of Forensic Sciences,Criminal Investigation Police University of China,Shenyang 110035,China)

机构地区：[1]中国刑事警察学院刑事科学技术学院,辽宁沈阳110035

出　　处：《化学教育（中英文）》2023年第20期105-110,共6页Chinese Journal of Chemical Education

基　　金：国家自然科学基金(21802169);辽宁省教育厅基本科研项目(LJKZ0076);辽宁省博士科研启动基金指导计划项目(20170520204)。

摘　　要：为增强实验课程创新性、优化实验课堂设计、培养学生综合能力,基于硫堇的光致变色性质构建感光成像体系,开展集感光涂层制作、曝光、显影、定影于一体的感光成像实验活动。深入介绍了硫堇感光成像体系的感光与成像原理,直观展现了感光成像现象,系统梳理了实验教学内容、教学安排和教学效果。利用光与化学反应使数字图像跃然纸上,通过充分衔接基础理论、实验现象和思考反馈,实现了实验教学的创新性、趣味性和能力培养导向性。In order to enhance the novelty of experiment courses,optimize the design of experiment classes and cultivate the comprehensive abilities of students,experiment teaching activities that integrate fabrication of photosensitive coating,exposure,development and fixing have been established based on photosensitive imaging of thionine.The principles of sensitization and imaging of this photosensitive system have been introduced.The results of photosensitive imaging have been displayed.The content,arrangement and effect of this experiment teaching have been systematically presented.Transfer of digital images to photographic paper by utilizing light and chemical reactions and combination of basic theories,experimental phenomena and feedback contribute to the creativity,interestingness and competency development orientation of the experiment teaching activities.

关 键 词：实验教学 教学方式 能力培养 感光成像 

分 类 号：O6-4[理学—化学] G642.423[文化科学—高等教育学]