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duo zhong biao zheng zai tan so2 yu ba no3 2 rong ye fan ying
Pages: 32-33
Year: Issue:  10
Journal: Experiment Teaching and Apparatus

Keyword:  传感器实验图象多重表征;
Abstract: 将ORP(氧化还原)和pH传感器相结合,通过宏观实验现象表征以及传感器图象的曲线表征,从定性到定量,探究SO2与Ba(NO32溶液的反应,可以直观形象地帮助学生构建该反应原理的符号表征,降低该知识点的难度,激发学生的学习积极性,教学效果很好。
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