"地小氢"和"月小氢"

Hydrogen is the most abundant chemical element in the Universe and is tightly related to human life. This article personifies hydrogen, bringing a close interaction between the hydrogen on the moon and the hydrogen on the Earth. Through lively and interesting dialogues, the history of hydrogen discovery and the properties are introduced, and the application of hydrogen in different aspects of the future is prospected.     

关于蔬果农药残留现象的实践调研

厦门大学化学化工学院"一点一滴"实践队结合所学专业知识,针对果蔬农药残留现象进行了实践调研。通过对不同背景市民进行的调查访问,了解到他们对农药残留的认识及日常采用的去除办法存在一定疑惑。在大量文献调研的基础上,总结目前农药残留的检测手段,从中筛选并优化适合本次实践活动的测定方法。对部分去除农药残留的方法进行实验检验,根据测定结果给出相应的建议。本次实践活动将所学专业知识运用于实际,培养和提高了学生的实践能力和综合素质。