含灰量 meaning in English

ash content
cinder loading
dust burdening

By texting the erosion of the hot - state of the ash after burning the mixed coal of shenmu coal and datong coal in the 4 proportions of 1 : 0 , 3 : 1 , 2 : 1 , 2 : 2 , it is found that the relation of ash rate to erosion rate is nonlinear , that is , the erosion rate does not increase with the increase of the proportion of the higher ash rate coal
对神木煤与优大同煤两个煤种的4种配煤比例（神木：大同， 1 : 0 , 3 : 1 , 2 : 1 , 2 : 2 ）燃烧后所得灰样进行热态冲刷磨损试验，发现配煤中含灰量与磨损量呈非线性关系，即含灰量较大的煤掺入比例增加时，磨损量并不会相应增加。