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八小时之余,经过一天紧张工作的人们都喜欢到绿荫下,公园里,江河湖畔,乡村原野去散步,以消除工作所带来的疲劳。每当来到这些地方,通常会感到心情格外舒畅、精神倍增、心旷神怡,您知道这是何种缘故吗?也许您答曰:这些地方空气新鲜,景色优美,环境宜人。其实更主要原因是这些地方存在着大量的气体维生素:空气负离子。那么什么叫空气负离子?它是怎样产生的?又为什么会使人体产生上述现象呢?我们知道:任何分子都是由原子组成,一般呈中性状态。当原子核
After eight hours, after a day of intense work, people love to go to the greenery, parks, rivers and lakes, rural wilderness to go walking, in order to eliminate the fatigue caused by work. Whenever you come to these places, usually feel very comfortable mood, doubled, relaxed and happy, do you know what reason? Perhaps you answer: These places fresh air, beautiful scenery and pleasant environment. In fact, the more important reason is that there are a lot of gas vitamins in these places: air negative ions. So what is the air negative ions? How is it generated? And why the body produces the above phenomenon? We know: any molecule is composed of atoms, the general was neutral. When the nucleus