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由鱼内脏水解液提取的缓蚀剂在硫酸酸洗液中对碳钢有缓蚀作用。其缓蚀率达９０％。极化曲线研究表明，所得缓蚀剂属混合型。
Corrosion inhibitors extracted from fish visceral hydrolyzate have a corrosion inhibition effect on carbon steel in sulfuric acid pickling. Corrosion rate of 90%. Polarization curve studies have shown that the resulting corrosion inhibitor is a mixed type.