n.煤的基本微观结构
It is found that the inert of coke comes from inert macerals of coal. 结果表明：焦炭中的破片、类丝炭来源于煤中的用性组分。
Besides, selective grinding was found to be suited for enrichment of macerals. 此外，选择性磨矿方法也可以进行煤岩组分的分离与富集。
The results indicate that the photooxidation is obviously helpful to denitrogenation of the Shenfu macerals. 结果表明：光氧化对神府煤不同密度级组分的脱氮有明显效果；
On this basis, the hydrocarbon generation characteristics of macerals have been elucidated. 第三系列是动物碎屑体，包括不同成熟度的笔石、几丁虫。
The size of photo-onisotropic unit in macerals of coke depends on the rank of coal. 焦炭显微结构中光学各向异性单元尺寸取决于煤的变质程度。
