By means of SEM, EDAX and om, the petrographic structure and microscopic chemical composition of cement clinker have been researched by adding rare-earth lean ore.
采用SEM、EDAX、OM等分析测试方法，研究了稀土贫矿掺加条件下，水泥熟料的岩相结构及其微区化学组成。
The chemical composition, petrographic analysis and dispersing property of kinds of bauxitic clay are compared.
对比研究了几种铝矾土的化学组成、相组成和分散性能。
This paper explains slag erosion mechanism of middle grade MgC brick based on petrographic analysis after the slag erosion, as well variation of the slag composition before and after the slag erosion.
根据渣侵后镁碳砖的岩相和渣侵前后钢渣成分的变化，阐述了中档镁碳砖的渣侵机理。
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