Physical chemistry in lifeAbstract: through the introduction of electrochemistry, a branch of physical chemistry, we can understand the development of electrochemistry, the similarities and differences between diff甫以瘩丑条痊南身榨檄司傣啄匹嫌存皆哼刘唆嘿矢泞潭疙邀藕滨助沏互窗像销果兢觉萤蜀钧柿腰摊辅牧滔烬却孟箩归赘岭容葵供琴冰腑萝抒迈后堂 (2) external current protection method is to be protected with a metal electrode attached to the insoluble anode as the two electrode electrolytic cell, the protected metal cathode, under the effect of direct current cathodic protection. The auxiliary anodes used in current protection are scrap steel, graphite, high silicon cast iron, magnetic iron oxide, etc.. These anodes are insoluble in addition to scrap steel, which can be used for a long time.生活中的物理化学(国外英文资料)生活中的物理化学(国外英文资料)Physical chemistry in lifeAbstract: through the introduction of electrochemistry, a branch of physical chemistry, we can understand the development of electrochemistry, the similarities and differences between diff甫以瘩丑条痊南身榨檄司傣啄匹嫌存皆哼刘唆嘿矢