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[期刊论文] 作者:Huang Wenhui Yang Qi Peng Supi, 来源:中国地质大学学报:英文版 年份:2001
INAA (instrumental neutron activation analysis) was used to determine the contents of trace elements in coal samples from 11 workable Permian coal seams in Huai...
[期刊论文] 作者:HUANG Wenhui,Yang Qi,Peng Supi, 来源:中国地质大学学报 年份:2004
INAA (instrumental neutron activation analysis) was used to determine the contents of trace elements in coal samples from 11 workable Permian coal seams in Huai...
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