Study on sulfur distribution characteristics of coal and variation law of coal preparation in Kailuan mining area张义忠1-3,25
Analysis on characteristics of the ash yield and sulfur content in coal seams of Yina Mine of Zhijin Area明方平11-13
Influencing factors of arsenic determination in coal using arsenic molybdenum blue light spectral photometer method魏宁17-20
Analysis on the influencing factors of the experiment of centrifugal separation of coal macerals王辉, 张国华23-25