比表面积

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

煤焦的总孔容、积和芳核大小之间有很好的对应关系。

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

锂皂石有机改后，能、分及积等提高。