Using industrial fly-ash wastage and slag as main raw materials, appending proper proportional homemade compound activator, we have prepared the cement gelatin material.
采用工业废渣粉煤灰和矿渣为主要原料，通过掺加适当比例的自制复合活性激发剂，配制和研究高掺量粉煤灰矿渣水泥胶凝材料。
The sulphur content of final iron concentrate can be decreased to less than 0.5% by using copper sulfate and sodium fluosilicate as activator of pyrrhotite contained in iron ore.
铁矿石选矿中用硫酸铜和氟硅酸钠活化磁黄铁矿，使最终铁精矿合流量降至0.5%以下。
In the same modifier, as the increase of the using level of calcium activator, the bulk density showed a descending trend gradually and the microaggregate showed an opposite trend gradually.
随着钙活化剂用量的增加，容重呈现逐渐下降的趋势，而微团聚体则呈现逐渐增加的趋势。
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