4Huggins F E, Kosmack D A, Huffman G P. Correlation Between Ash-fusion Temperatures and Ternary Equilibrium Phase Diagrams. Fuel, 1981, 60(7): 577-584.
5Ninomiya Y, SATOA. Ash Melting Behavior Under Coal Gasification Conditions. Energy Convers, 1997, 38(12): 1405-1402.
6Qiu J R,Li F,Zheng C G et al. The Influences of Mineral Behavior on Blended of Coal Ash Fusion Characteristics. Fuel,1999, 78:963-969.
7Huffman G P, Huggins F E, Dunmyre G R. Investigation of the High-temperature Behavior of Coal Ash in Reducing and Oxidizing Atmospheres. Fuel, 1981, 60(7) : 585-597.