结果表明：成膜促进剂的加入能有效提高铈盐转化膜的成膜速度，所得转化膜对铝合金的点蚀有较好的抑制作用。
Results show that accelerant a can raise the speed of the conversion coatings greatly. and the formed coatings have good restrain action on pitting of aluminum alloy.
以1，3-二甲基金刚烷为原料，经溴化、 乙腈和硫酸的作用下乙酰胺基化、水解、成盐等反应及改进的后处理方法得到盐酸美金刚，总收率6 7。8%。
Memantine hydrochloride was synthesized from 1,3 dimethyladamantane by bromination, acetamidation with acetonitrile in sulfuric acid and hydrolysis with an overall yield of 67.8%.
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