The biggest difficulty is chemical deposition of copper of PTFE activation pretreatment, is also the most crucial step.
其最大的难点是化学沉铜前的聚四氟乙烯活化前处理，也是最为关键的一步。
The potential-time curves under constant current and cyclic voltammetry curves were measured, and the potential activation process of copper plating on iron substrate in cyanide electrolyte was shown.
进行了恒电流电位-时间曲线和循环伏安曲线的测定，显示了铁电极进行氰化物镀铜时，镀层沉积前铁表面的电位活化过程。
Copper slag products made of fly-ash by this method have advantage of high early stage strength, meanwhile the activation mechanism is analyzed.
用此法活化粉煤灰制得的诺砂制品，其早期强度显著提高。同时对其活化机理进行了分析。
The optimal scheme was ascertained as flows: alkaline wash-diluted hydrochloric acid activation-acidic copper plating-replacement silver plating.
确定了最佳方案：碱洗—稀盐酸活化—酸性镀铜—置换法镀银。
The optimal scheme was ascertained as flows: alkaline wash-diluted hydrochloric acid activation-acidic copper plating-replacement silver plating.
确定了最佳方案：碱洗—稀盐酸活化—酸性镀铜—置换法镀银。
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