Good relationship exists among total pore volume, specific surface area and aromatic microcrystallite size in coal char.

煤孔容、比表面积和芳核大小之间有很好对应关系。

After modification by organic compounds, the properties of hectorite, such as adsorption abilities, dispersivity and specific surface are improved.

锂皂石有机改性后，吸附性能、分性及比表面积等提高。