叙述了在电弧炉中用稀土富渣、硅铁、重晶石、石灰等原料冶炼稀土硅钡镁合金的研制过程。
Smelting of SiMgREBa alloy with rare earth rich slag, barite and lime in electric-arc furnace is introduced in the paper.
讨论了白云石、石灰石、碳酸钡组成的碳酸盐发泡剂对LF熔渣发泡的影响。
In this paper the effect of the carbonate foaming agents which are composed of dolomite, limestone and barium carbonate on the foaming of molten LF slag is discussed.
1773年，韦奇伍德用硫酸钡(石灰岩)作实验，并从中得到了碧玉。
Wedgwood experimented with barium sulphate (caulk), and from it produced jasper, in 1773.
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