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从增大蔗糖溶液浓度、增加高倍镜观察、增加胭脂红3个方面对教材质壁分离和复原实验进行改进和拓展,能够弥补质壁分离和复原实验存在的不足。改进后的实验结果明显、快速,开阔了学生视野,提高了学生技能和课堂效率。
From improving the concentration of sucrose, increasing the magnification of the microscope and increasing the carmine, the improvement and expansion of the textural wall separation and restoration experiments can make up for the shortcomings of the experiments of wall separation and restoration. The experimental results improved obviously, quickly, broaden the horizons of students, improve student skills and classroom efficiency.