固定床渣油加氢催化剂废剂积炭核磁共振分析问题?该文章我已看过,他并没做13C-NMR分析,我现在需要看的是积炭其结构,如芳碳、脂肪碳含量,及积炭结构特点。... 外文有 Sahoo S K, Ray S S, Singh I D. Structural characterization of coke on spent hydroprocessing catalysts used for processing of vacuum gas oils[J]. Applied Catalysis A: General, 2004, 278(1): 83-91,查看更多