颗粒度对不同煤种可见光-近红外光谱的影响

张超^1,², 刘善军^1,^*, 易文华¹, 谢子超², 刘博雄², 岳衡¹

Effect of Granularity on the Characteristics of Visible-Near Infrared Spectra of Different Coal Particles

ZHANG Chao^1,², LIU Shan-jun^1,^*, YI Wen-hua¹, XIE Zi-chao², LIU Bo-xiong², YUE Heng¹

不同等级颗粒度煤样光谱曲线 (a): 褐煤; (b): 烟煤; (c): 无烟煤