Nuclear magnetic resonance (NMR) spectroscopy has emerged as a powerful analytical tool for the determination of heavy oils composition due to its rapidity, directness, and ease of analysis.
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核磁共振谱图能够直接反映出碳、氢及杂原子所处的化学环境,且分析简便、快捷,从而成为沥青、渣油等重油的结构组成分析的有力工具。
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