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检索条件"主题词=rare-scattered elements"
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Anomalous Concentrations of rare Metal elements, rare-scattered(Dispersed) elements and rare Earth elements in the Coal from Iqe Coalfield, Qinghai Province, China
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Acta Geologica Sinica(English Edition) 2015年 第1期89卷 229-241页
作者: SUN Yuzhuang ZHAO Cunliang LI Yanheng WANG Jinxi Key Laboratory of Resource Exploration Research of Hebei Province Hebei University of Engineering Hebei Collaborative Innovation Center of Coal Exploitation Hebei University of Engineering
Total of 23 bench samples were taken from the No. 7 Coal of Iqe Coalfield, Qinghai Province, China, following Chinese Standard Method GB/T 482-2008 (2008). These samples were analyzed by powder X-ray diffraction (... 详细信息
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