结果表明，三种催化剂上表面碱性的类型、强度和数目分布不同。
It was shown that the distribution of the type, number and strength of surface base of the three catalysts were different.
结果表明，活性焦的微孔面积及表面碱性位含量是影响其脱硫能力的主要因素。
The results showed that the activity of active coke for SO 2 removal is mainly determined by its microporous structure and quantity of surface basic sites.
水热化学改性造成改性半焦表面酸性含氧官能团挥发，提高了表面碱性官能团含量；
The proximate analysis, ultimate analysis, inorganic oxide content and surface acidic or basic groups content were carried on for raw semi-coke and the activated semi-coke samples.
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