黄河宁蒙段沉积物地球化学元素组成及分布特征
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Geochemical element composition and spatial distribution characteristics of sediments in the Ningxia-Inner Mongolia section of the Yellow River
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图2. 黄河宁蒙段河床沉积物地球化学元素UCC标准化值分布 |
Fig.2. UCC (upper continental crust) normalized of element patterns for riverbed sediments of the Ningxia-Inner Mongolia section of the Yellow River |
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