一看即看色泽，紫铜是铜单质，具有玫瑰红色的金属光泽，表面形成氧化膜后呈紫色，故一般称为紫铜。
A look that is to look at the color, red copper is copper, metallic luster is rose red, the surface oxide film formed after the purple, it is commonly referred to as copper.
改性后的铜金粉最佳光泽度可达81.9，此结果优于国内先进水平(44.5)，接近国际先进水平。
Based on above results, the highest gloss value of bronze powder in this experiment was up to 81.9, which was superior to domestic advanced level (44.5) and close to international advanced level.
针对以往工艺产生黄烟，污染环境的缺点。作者介绍了一种铜及其合金无黄烟光泽浸蚀新工艺。
To counter the defects of generating yellow fume and polluting environment, the authors introduce a new yellow fume free lustering immersing process for copper and its alloy.
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