Low-temperature nitrogen adsorption method (LTNAM) was used to detect the microspores of Indonesia lignite and the adsorption-desorption isotherms were obtained.

• 摘要采用低温氮吸附法获得印尼褐煤的吸附-脱附等温线，通过对比分析得到该煤种的内部孔隙特征。