Research on Firing the High Iron Belite Cement with High Carbon Fly-ash
li zhen-jie~1; sun zhi-min~1; li fa-tang~1; zhang meng-xiong~2; yin rong~1(1.science college; hebei university of science and technology; shijiazhuang; hebei; 050018; china; 2.wall renovation office of shijiazhuang city; shijiazhuang; hebei; 050021; china)