It could be applied to blackening treatment for iron and steel or cast iron surface.
适用于铸铁及钢铁表面的发黑处理。
The mechanism of hydrogenation of nitrogen into ammonia was discussed on the pure iron surface.
讨论了在纯铁催化剂上，氮分子和氢分子逐步合成氨的反应机理。
A kind of composite additive used for copper plating of chemical replacement on iron surface was investigated.
研究了一种用于钢铁基体化学置换镀铜的专用复合添加剂。
So it is important to discover the original shape of excavated iron antiquities and stabilize the rust of iron surface.
这对恢复出土铁器的面貌及进一步化学稳定转化铁器表面的锈层都具有重要的作用。
Besides its ability to produce a free iron surface, the acid supplies the oxidizing atmosphere needed for passivation to occur.
它除了能产生游离铁表面，还能提供钝化作用所需的氧化环境。
The shot blasting and paint coating make the iron surface elegant and anticorrosive. Low height design makes load and unload by forklift convenient.
表面经抛丸、喷塑处理，美观耐用，整体高度低，便于铲车加载、卸载货物。
The principal mechanism of formation of silicon nitride layer on iron surface is described, and variety of production processes and influence factors are reviewed.
综述了钢铁表面形成氮化硅薄膜的基本过程，各种制备方法、特点及影响因素。
The reaction of chemical replacement copper plating on iron surface and profile of the coating have been investigated by electrochemical methods and scan electron microscopy.
用电化学方法和扫描电子显微镜研究了钢铁置换镀铜反应及镀层形貌，结果表明：钢铁表面的置换铜镀层总是多孔的。
The reaction of chemical replacement copper plating on iron surface and profile of the coating have been investigated by electrochemical methods and scan electron microscopy.
用电化学方法和扫描电子显微镜研究了钢铁置换镀铜反应及镀层形貌，结果表明：钢铁表面的置换铜镀层总是多孔的。
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