青铜器化学热着色，不同于物理喷涂着色。
Bronze chemical heat coloring, different from the physical spray coloring.
对于光谱选择涂层、角度选择涂层，电着色涂层和器件以及热着色涂层分别进行了分析。
The analyses of spectrum selected coating, Angle selected coating, electric coloring and thermal coloring coating are carried out respectively.
本文讨论不锈钢管道焊缝热影响区内缺陷的超声波检测方法，应用着色渗透探伤对解剖后的样品进行了验证，证明超声波探伤法的可行性。
Ultrasonic detection of defects in heat-affected zones of stainless steel pipe welds is discussed. The feasibility of the method is verified by penetrant inspection of dissected pipes.
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