| 综合性化学实验的线上线下混合式教学——以水泥分析为例 |
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| 引用本文： | 曾秀琼,徐孝菲,委育秀,蔡吉清.综合性化学实验的线上线下混合式教学——以水泥分析为例[J].大学化学,2022,37(2):34-38. |
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| 作者姓名： | 曾秀琼 徐孝菲 委育秀 蔡吉清 |
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| 作者单位： | 化学国家级实验教学示范中心(浙江大学),杭州310058 |
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| 基金项目： | 浙江大学化学系第十二期教学改革研究重点项目(2020–2022)； |
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| 摘 要： | 水泥熟料分析是一个经典的综合性实验,涉及重量分析和配位滴定分析的很多原理及操作。为了有效开展实验教学、缩短课堂讲解时间、客观评价学生实验数据及结果,我们开展了线上线下混合式教学,引导学生课前自主学习,训练学生综合和创新实验技能。这一改革提高了实验教学质量,取得了较好的教学效果。
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| 关 键 词： | 综合实验 混合式教学 水泥 重量分析 配位滴定 |
Online and Offline Mixed Teaching of a Comprehensive Experiment:Analysis of Cement Clinkers is Used as an Example |
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| Xiuqiong Zeng,Xiaofei Xu,Yuxiu Wei,Jiqing Cai.Online and Offline Mixed Teaching of a Comprehensive Experiment:Analysis of Cement Clinkers is Used as an Example[J].University Chemistry,2022,37(2):34-38. |
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| Authors: | Xiuqiong Zeng Xiaofei Xu Yuxiu Wei Jiqing Cai |
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| Institution: | (National Demonstration Center for Experimental Chemistry Education(ZhejiangUniversity),Hangzhou 310058,China.) |
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| Abstract: | Analysis of cement clinkers is a traditional comprehensive experiment that involves the theory and practical application of gravimetric analysis and complexometric titration.Based on several internet platforms,online and offline mixed teaching was explored for effective experimental instruction,a shortened lecture time,and fairly graded experimental data.This method strengthens students’overall accomplishments,pre-lab study abilities,and innovative spirits,while the quality of teaching and impact have improved. |
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| Keywords: | Comprehensive experiment Mixed teaching Cement clinker Gravimetric analysis Complexometric titration |
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