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。
With the progress in petrographic analysis of coal, petrographic analysis of coking coal is applied abroad in blending and coking.
随着煤岩测定技术的进步，炼焦煤的煤岩性质已在炼焦配煤中得到广泛应用。
By adopting the analytic methods such as thermal-gravimetric analysis and petrographic analysis, an appraisal research on burning characteristics of the composite coal is made.
采用热重分析和岩相分析等方法，对复杂煤种的燃烧特性进行了评价。
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