Solid-state C-13 CP/MAS NMR study of Bag
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Bat-Orshikh Erdenetsogt; Insung Lee; Sung Keun Lee; Yoon-Joo Ko; Delegiin Bat-Er
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Article
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2010
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Elsevier Science
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English
β 625 KB
The rank of Lower Cretaceous Baganuur coal from Mongolia ranges from lignite to subbituminous coal, indicating transition from biochemical to physico-chemical coalification stages. The changes in the chemical structure of coal were studied using solid-state C-13 CP/MAS NMR. The predominant change du