氰化锌钾 四氰锌酸钾
Technology of non-cyanide Cu-Zn-Sn-Ni tetrabasic alloy imitative gold electroplating on FRP was studied using potassium pyrophosphate as main complexing agent, potassium sodium tartrate as auxiliary complexing agent and laboratory-synthesized copper pyrophosphate and zinc pyrophosphate as main salts.
以焦磷酸钾为主络合剂、酒石酸钾钠为辅助络合剂,自制焦磷酸铜、焦磷酸锌为主盐进行了玻璃钢无氰Cu-Zn-Sn-Ni四元合金电镀工艺研究。
英语网 · 英语词汇
英语网 · 四六级英语
英语网 · 高考英语
英语网 · 双语娱乐资讯