从铁钉表面镀铜浅谈低年级学生科研思维培养
郝仕油,赵国良

Scientific Research Thinking Cultivation of Junior Students Based on Copper Plated on the Iron Nail Surface
Shi-You HAO,Guo-Liang ZHAO
图1 采用混合溶液对铁钉表面镀铜结果示意图 电子版为彩色