13C SOLID STATE NMR OF ALBERTA SUBBITUMINOUS MACERALS.

被引：0
|
作者：
Axelson, D.E. [1 ]
Parkash, S. [1 ]
机构：
[1] CANMET, Devon, Alberta, Can, CANMET, Devon, Alberta, Can
来源：
Fuel Science and Technology International | 1986年 / 4卷 / 01期
关键词：
NUCLEAR MAGNETIC RESONANCE - RELAXATION PROCESSES;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The relaxation time behavior for three macerals (vitrinite, fusinite, and resinite) of a subbituminous coal has been extensively characterized by **1**3 C solid state nmr. Large chemical shift variations among these samples were observed and assigned to various possible structural entities. Correlations between proximate and ultimate analyses and the nmr results, as well as comparisons with previously reported relaxation times are presented.
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页码：45 / 85
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