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Jiexiu city dafosi coalification ltd. tianjin branch .

介休市大佛寺煤化有限公司天津分公司。

The results showed that infrared indexes of coal can quantitatively reflect the coalification level to some extent .

研究表明，煤的红外光谱在一定程度上可以定量表征煤化作用程度。

Burial and increase in temperature bring about physical and chemical changes called coalification .

埋藏和温度增高导致的物理变化和化学变化称为煤化作用。

Curve-fitting analysis and quantitative analysis of infrared spectrum provide a new method for studying coal structure and coalification .

红外光谱的分峰技术和定量，为精细解析煤的结构特征和煤化作用研究提供了一种新的方法。