When the content of CaO in steel slag is high, the porosity ofsamples has less effection on the dissolution of CaO of MgO-CaO brick ,on the contrary ,the result was in opposite way and so on.

• 在CaO含量多的熔渣内,气孔率对镁钙砖中氧化钙的溶解量影响不大,在CaO含量少的熔渣中,溶解量与体积密度有很大的关系等。