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- W2358472485 abstract "The infra-red spectra of the Jiawang vitrinites, their mild hydrogenation products, and the individual fractions obtained by liquid chromatography were studied. The aromatic fractions were further investigated by the ultra-violet spectrography. The results are as follows:1. The infra-red spectra of the vitrinites, hydrogenation tars, and petroleum ether soluble fractions are alike, thus the structural characteristics of their basic carbon skeleton should be alike too.2. The resemblance between the spectra of the corresponding fractions from two vitrinites reveals that their structural units are similar.3. The urea dewaxing fractions are mainly composed of isoparaffins and naphthenes including condensed naphthenes.4. The monocyclic aromatic fractions are chiefly composed of tetralin derivatives and the bicyclic aromatic fractions are composed of naphthalene derivatives. The aromatic rings are largely hydroaromatic and methyl substituted, and long paraffinic side chains and opened methene groups are not appreciable.These results are all consistent with those of the graphical statistical analyses." @default.
- W2358472485 created "2016-06-24" @default.
- W2358472485 creator A5066121577 @default.
- W2358472485 date "1965-01-01" @default.
- W2358472485 modified "2023-09-26" @default.
- W2358472485 title "INVESTIGATION OF THE CONSTITUTION AND STRUCTURE OF JIAWANG VITRINITES BY MILD HYDROGENATION——III. STUDY ON THE COMPOSITION OF THE MILD HYDROGENATION PRODUCTS FROM JIAWANG VITRINITES BY UV AND IR SPECTROGRAPHY" @default.
- W2358472485 hasPublicationYear "1965" @default.
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