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不知道大家是否注意过一些生活中出现的现象,比如:患有关节炎的人会在阴雨天感到疼痛;生活在高原上的人都知道水加热到80度左右就沸腾了;登山运动员在进入高山地区后会发生头晕、耳鸣、恶心、呕吐……这些现象是为什么呢?为了找到答案,让我们先来做一个小实验:大家可以准备一根玻璃管,向里面倒水,然后可以看到水从管底流出,接着用手指堵住玻璃管的下端,继续向管内倒水,由于玻璃管的底部被手
Do not know whether we have noticed some phenomena in life, such as: people with arthritis will feel pain in the rainy days; people living on the plateau know that water heated to about 80 degrees boiling; mountaineers entering Dizziness, tinnitus, nausea and vomiting can happen after the high mountain areas. Why are these phenomena? In order to find out the answer, let’s start with a small experiment: We can prepare a glass tube and pour water inside, then we can see Water flows out from the bottom of the tube, and then the lower end of the glass tube is blocked by the finger, and the water is continuously poured into the tube. Since the bottom of the glass tube is cut off