ProximateandUltimateanalysis of solubilizing products indicated that the ash of obviously dropped, H/C, N/C atom rate increased;
微生物溶煤产物的工业分析、元素分析结果表明煤溶物的灰分明显下降，H／C、N／C原子比增加；
2
The proximateanalysis, 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.
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；
3
Relationship between the surface hydrophobicity contact angle andproximate, ultimateanalysis of coal was studied by using relative atomicity concept.