论文部分内容阅读
用液柱或活塞隔开两部分气体,当气体温度变化时,判断液柱或活塞是否移动、如何移动的问题是选修3-3模块中常出现的一类问题,学生处理起来往往觉得有些棘手,其实要掌握好这一问题,关键在于要明确此类问题的特点,并选用恰当的方法.笔者结合自身的教学实际,将液柱(或活塞)移动问题的分析方法进行总结,希望能够对同学们有所帮助.
When the gas temperature changes, it is judged whether the liquid column or the piston is moving or not. How to move the problem is a kind of problem often appearing in the module 3-3. Students often find it difficult to deal with them. In fact, to master this problem, the key is to clarify the characteristics of such problems and choose the appropriate method.According to their own teaching practice, the author summarizes the analytical methods of liquid column (or piston) movement problems, hoping to classmates We are helpful.