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一、金属腐蚀和阴极保护最近,国外有人利用光电源和幻灯机演示金属腐蚀和阴极保护。这个方法不很适合我国目前中学实际。下面介绍一个简易的演示方法。
First, metal corrosion and cathodic protection Recently, foreign countries have used optical power and slide projectors to demonstrate metal corrosion and cathodic protection. This method is not very suitable for China’s current secondary school practice. Here is a simple demonstration method.