煤矸石利用率计算方法
Calculation methods for utilization rate of coal gangue
2024-03-15
GB/T 27974-2011
Methods for chemical analysis of fly ash and coal gangue as building material
2011-12-30
GB/T 27974-2011
建材用粉煤灰及煤矸石化学分析方法
Methods for chemical analysis of fly ash and coal gangue as building material
2011-12-30
NB/T 11260-2023
煤矸石中硅、铝、铁、钙、镁、钠、钾、磷、钛、锰含量的测定 X射线荧光光谱法
Determination of silicon,aluminum,iron,calcium,magnesium,sodium,potassium,phosphorus,titanium and manganese in coal gangue—X-ray fluorescence spectrometric method