A highly effective method for preparation of carbon-coated iron carbide nanocrystals by AC carbon arc discharge was studied, the yield of magnetic micro powder was over 90%.
采用交流碳弧法高效合成碳包碳化铁纳米晶磁性微粉，磁性微粉产率达90 %以上。
Nano-metal nickel powder was prepared by plasma arc spraying method.
利用等离子体法制备金属纳米镍粉。
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