The structure of Ningxia coals from Lingwu, Shitanjing, and Baijigou with instrumental method such as IR, ASAP2010 and XRD are studied.

• 摘要为了研究宁夏煤的变质程度和变质类型，用红外光谱仪(IR)、物理吸附分析仪(ASAP2010)和X-射线衍射仪(XRD)分别对宁夏灵武、石炭井以及白芨沟煤矿煤样进行表征分析。