For the flash, a very common phenomenon in Cr-Fe alloy argon-oxygen decarburization refining process, here the splash-prediction method is proposed based on binary tree SVM (BT-SVM).

针对铬铁合金氩氧精炼过程中时常发生的喷溅现象，提出一种基于BT - SVM的喷溅预测方法。

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The amorphous Fe Cr alloy coatings were obtained by controlling the composition of bath operation conditions.

本实验通过控制镀液组成和操作条件获得了非晶态铁-铬合金镀层。

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It was very difficult for high cr cast Fe hollow ball valve in investment casting due to its internal hollow and full close as well as high crack susceptibility.

高铬铸铁空心球阀的精密铸造难度较大，球阀内部必须空心、全封闭，同时高铬铸铁的裂纹敏感性极强。

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