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1·Metal oxide etch usually happens on the thermal hydrodynamic test rig when its equipment, pipelines and valves are made of carbon steel.

在由碳钢制造的设备、管道和阀门等部件所组成的热工水力试验台架中，金属的氧化腐蚀是一个普遍存在的问题。

2·The invention also discloses a device for detecting whether etch holes appear on the aluminum anode oxide diaphragm or not.

本发明还公开了一种检测铝阳极氧化皮膜出现疮孔的装置。

3·Compared with the prior art, the method for detecting whether etch holes appear on the aluminum anode oxide diaphragm or not has the advantages of low cost and simple and easy operation.

与现有技术相比，本发明的检测铝阳极氧化皮膜出现疮孔的方法成本低廉且操作简易。

4·In the paper, effects of brown oxide process parameters on micro-etch rate, surface topography, surface roughness, binding strength were analyzed through the experiment.

本文分析了棕化工艺参数对微蚀速率、表面形貌 、表面微观粗糙度、结合力的影响 。