the thermo-gravimetry reactivity index of coke powder showed an obviously corresponding relationship and similar changing trend with the coke reactivity index of lump coke.
焦粉热重反应性指数与块焦焦炭反应性指数有很好的对应关系,二者变化趋势一致。
the carbon loss of coke and the change of coke reactivity index in lumpish section of blast furnace were studied.