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註釋A synthetic crude oil derived from western Kentucky coal by the char-oil-energy development (COED) process was characterized by the ERDA Energy Research Center in Bartlesville, OK, by adaptations of methods developed for the characterization of heavy ends of petroleum. A combination of several analytical techniques including gas chromatography, high-pressure liquid chromatography, adsorption chromatography, gel permeation chromatography, excitation and emission spectrofluorimetry, mass spectrometry, and NMR spectroscopy were used in the characterization of the two distillate fractions and one residuum fraction prepared from the syncrude. The results obtained were similar to those obtained for the Utah syncrude which was characterized by ERDA in a previous study.