8Bren G, Brouwers J J H. A Complete analytical model for the combustion of a single porous char particle incorporate in an AFBC systerm model[C]. In: Mustonen J P ed.Proceeding of 10th international conference on fluidized bed combustion(A). New york : ASME Press, 1989:898- 905.
9Li Y, Zhang J, Liu Q, et al. A study of the reactivity and formation of the unburnt carbon in CFB fly ashes[J].Developments in Chemical Engineering and Mineral Processing. 2001, (9).
10Li Yong, Yue Guangxi, Lu Junfu, et al. An investigation of carbon loss of boilers burning hard coals [A]. In: Donald WGeiling, Donald LBonk eds. Proceeding of 16th International Conference on Fluidized Bed Combustion [C]. Nevada: ASME, 2001.