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題名 | Rare-Earths and Trace Elements in Temsah Lake Sediments, A Tool to Assess Pollution Sources in the Lake=埃及坦沙湖沈積物之稀土與微量元素研究--評估湖中汙染源之方法 |
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作者 | El-Shershaby,A.; El-Dine,N. Walley; Abdel-Haleem,A. S.; Abdel-Sabour,M. F; |
期刊 | 核子科學 |
出版日期 | 19990400 |
卷期 | 36:2 1999.04[民88.04] |
頁次 | 頁145-151 |
分類號 | 449.8 |
語文 | eng |
關鍵詞 | 埃及; 坦沙湖; 沈積物; 稀土; 微量元素; 汙染源; Neutron activation analysis; Marine pollution; |
英文摘要 | Rare-earths and trace elements content in Temsah lake sediments (Ismailia Governorate, Egypt) were investigated. Eight polluted sites were selected and sediment samples were seasonally collected, dried, grounded and prepared for neutron activation analysis (NAA) . Fourteen elements were determined (i.e. Sc, Cr, Ba, La, Hf, Sb, Ce, Eu, Tb, Yb, Ta, Pa, Au, and Hg) in sediment samples of different sites. The gamma-ray spectra were collected by HPGe detector and the analysis was done by means of computerized multichannel analyzer. A stepwise regression analysis for significant relationships between tested elements across all sites was discussed. Also, a correlation matrix between elemental contents of different sites was made. |
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