About VASSILEV Stanislav V.
About Central Lab. of Mineralogy and Crystallography, Acad. G. Bonchev Str., Bl. 107, Bulgarian Acad. of Sciences, Sofia ...
About VASSILEVA Christina G.
About Central Lab. of Mineralogy and Crystallography, Acad. G. Bonchev Str., Bl. 107, Bulgarian Acad. of Sciences, Sofia ...
About fly ash
About Properties,composition,analysis and test of coal and coke
About Combustion in general
About 起源
About 組成
About 挙動
About 石炭フライアッシュ
About 分類
About 手法