论文部分内容阅读
中学有些实验中要用到煤油,煤油又可以制成简易温度计。有时为了使直观性更好一些,要将煤油染上颜色。值一些有关刊物谈到对煤油的染色比较困难.本
In some schools, kerosene is used in some experiments, and kerosene can be made into a simple thermometer. Sometimes kerosene is colored to make it more intuitive. The value of some related publications talks about the difficulty of dyeing kerosene.