1、

Should when built smeltery go into operation 1999, ability of supply demand relations returns a balance.

要等到1999年新建冶炼厂投产, 锌的供求关系才能回到平衡.

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2、

The Shijingshan Iron Smeltery, founded in 1919 , predecessor of the Shoudu and Steel Co.

首钢的前身是石景山炼钢厂, 创立于1919年.

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3、

Rebuilding and operation status of flue dust baghouse collecting system in Guixi smeltery is introduced.

介绍了贵溪冶炼厂烟尘布袋收集系统改造及运行状况.

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4、

Two circuits are used to treat the waste residue containing copper which were produced by lead smeltery, and cupric sulphate reagent is get with this two circuits.

用两种流程对铅冶炼厂的含铜废渣进行处理,均可制取试剂硫酸铜。

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5、

The form of copper occurrence in contaminated soil in a smeltery site was discussed comparatively by continuous chemical digestion, with the coefficient of biologic effectiveness to copper calculated.

文章以沈阳某冶炼厂厂区旧址的重金属复合污染土壤为研究对象,通过向土壤中添加不同药剂,研究了不同碱性化学物质对土壤砷稳定化的效果。

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