The differences of element geochemical characteristics of the main coal seams in the Ningdong coalfield, Ordos Basin
2019 ◽
Vol 202
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pp. 77-91
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Keyword(s):
Keyword(s):
2021 ◽
Vol 200
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pp. 108406
2019 ◽
Vol 38
(3)
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pp. 240-246
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2018 ◽
Vol 49
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pp. 286-297
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Keyword(s):
2017 ◽
Vol 86
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pp. 52-65
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2014 ◽
Vol 80
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pp. 148-160
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Keyword(s):
2016 ◽
Vol 102
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pp. 67-76
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