early slag meaning in English

初期渣
初渣

Abstract : by means of mineralogical study of earlier slag samples of the flash furnaceanalyze the mineralogical composition and its variation , so that expose oxidation atmosphere in furnace and required controlled parts in the later smelting
文摘:本文通过对闪速炉前期炉渣的矿物学研究，分析矿物的组成及变化情况，以揭示炉内氧化气氛的强度及在后期冶炼中需注意控制的部分。