5KAWASHIMA H,YAMADA O. A modified solid-state 13 C CP/MAS NMR for the study of coal[J]. Fuel Process Technol,1999,61(3): 279-287.
6MAROTO-VALER M M,TAULBEE D N,ANDRESEN J M,HOWER J C,SNAPE C E. Quantitative 13 C NMR study of structural variations within the vitrinite and inertinite maceral groups for a semifusinite-rich bituminous coal[J]. Fuel,1998,77(8): 805-813.
7TEKELY P,NICOLE D,DELPUECH J-J,TOTINO E,MULLER J F. Chemical structure changes in coals after low-temperature oxidation and demineralization by acid treatment as revealed by high resolution solid state 13 C-NMR [J]. Fuel Process Technol,1987,15: 225-231.
7Wang Lei (Department of Chemistry,Huaibei Teachers College,Huaibei 235000) Green T K (Department of Chemistry,Western Kentucky University,Bowling Green, Kentucky 42101 USA).用S-甲基化反应和~2H NMR、^(13)C NMR表征石油中有机硫的结构[J].石油学报(石油加工),1998,14(4):80-86. 被引量:1