The general substance and oxygen oxidation, the individual may absorb heat, such as the reaction of nitrogen and oxygen. Anodic oxidation and cathodic reduction in electrochemical process.
一般物质与氧气发生氧化时放热，个别可能吸热如氮气与氧气的反应。电化学中阳极发生氧化，阴极发生还原。
A process and formula for gold imitated coloring of copper and copper alloy by cathodic reduction were advanced in detail.
详细介绍了一种铜及铜合金阴极还原着仿金色工艺及其配方。
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