【摘要】 针对实验教学中存在的问题 ,改用紫鸭趾草作为电导法的实验材料 ,并改进了一些实验技术 ,使实验结果重复性好 ,实验时间缩短 ,更适合于学生完成该实验。更多还原

【Abstract】 The paper aimed at the problem of experiment teaching,study on replaced mango by Setcreasea pallida was conducted,and improved some techology about it.The result of repeated experiment had small difference.The experimental time shortened.It was more suitable for students to complete this experiment.更多还原