并且随着氧化强度的增强，沥青基球状活性炭的比表面积减小，但总孔容增加。
As the intensity of air—oxidation treatment increased, the surface area of the PSAC decreased, but its total pore volume increased.
利用空气氧化处理法对沥青基球状活性炭进行了改性。
In this paper, pitch—based spherical activated carbon(PSAC)was modified by the air—oxidation treatment.
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