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在浙江省科技局的支持下,由车辆段、浙江省化工所、杭州剪刀厂、杭州电镀厂、杭州大学、杭州钟表厂、杭州制氧机厂、浙江省利技局计量所等单位陆续组成的无氰电镀试验小组,继在杭州车辆段于1970年上半年对氰化镀铜锡电解液用三乙醇胺进行微氰改造成功以后(投入生产以来一直未添加过氰化钠)〔注〕,在大量实践基础上,试验小组的同志以毛主席光辉哲学思想为武器,经过一年来的数百次科学实验,结合运用“优选方法”,终于试验成功以三乙醇胺为主络合剂的无氰镀铜新工艺.
Zhejiang Science and Technology Bureau, with the support of the depot, Zhejiang Chemical Industry, Hangzhou Scissors factory, Hangzhou Electroplating Factory, Hangzhou University, Hangzhou Watch Factory, Hangzhou oxygen plant, Zhejiang Institute of Technology, and other units in succession Of the cyanide-free plating test group, following the success of the micro-cyanogen conversion of triethanolamine in the cyanide bath of tin cyanide electrolyte in Hangzhou in the first half of 1970 (no sodium cyanide has been added since production) Based on a large number of practices, comrades in the test group, using the brilliant philosophy of Chairman Mao as their weapon, have successfully tested Cyanide-free cyanide-free Cyanide after hundreds of scientific experiments over the past year, combined with the “preferred method” New copper plating process.