Some come off in the form of gases , others collected as slag.

有的化成气体跑掉了，有的结成了熔渣。

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Grindability experiments for the manganese slag and the off gas ash from ferromanganese alloy factory were carried out.

对锰铁合金生产过程中产生的锰渣和烟道灰进行了粉磨性能试验。

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With this model the EAF Steel-making process can be simulated, including of scrap melting procedure, the changes of temperature, slag quantity and compositions of steel, slag and off-gas.

该模型可动态地模拟电弧炉冶炼过程中的废钢量、炉温、渣量、钢液成分、炉渣组成和炉气成分的变化。

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The actual is sliced, diced and winched forward, only to tumble off time's assembly-line into the great slag-heap of now.

BBC: A Point of View: Nostalgia - it's not like it used to be