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使用显微镜加热台对我国西南地区晚二叠世和晚三叠世不同变质系列的煤中镜质体进行加热实验表明，不同时代不同变质程度的镜质体在加热过程中具有不同的软化、熔融、固化温度。此实验结果为煤岩学配煤炼焦方法的研究提供了可靠的理论依据。
The experiment of heating the vitrinite in coal with different metamorphic series of Late Permian and Late Triassic in the southwest of China by using microscope heating stage shows that vitreous bodies with different degrees of metamorphism in different ages have different softening and melting , Curing temperature. The experimental results provide a reliable theoretical basis for the coal coking method research.