نتایج جستجو برای: rare earth elements

تعداد نتایج: 588456  

Journal: :Geoloski anali Balkanskoga poluostrva 2013

Journal: :Processes 2021

Rare earth elements (REEs) are becoming more and significant as they play crucial roles in many advanced technologies. Therefore, the development of optimized processes for their recovery, whether from primary resources or secondary sources, has become necessary, including recovery mine tailings, recycling end-of-life products urban industrial waste. Ionic solvents, ionic liquids (ILs) deep-eut...

Journal: :geopersia 2011
amir esna-ashari mohammad vali valizadeh abolfazl soltani ali asghar sepahi

the aligoodarz granitoid occurs in sanandaj-sirjan zone (ssz), western iran. tonalite, granodiorite and granite are the main rock types cropping out in the area. comparison of aligoodarz granitoid with dehno and boroujerd granitoids reveals several similarities in their chemical characteristics. thus, the above mentioned granitoids can be assigned as a co-genetic magmatic suite, in which pluton...

Journal: :Environmental geochemistry and health 2006
Qiang Liu Hua Bi Lan Hung Shaolin Peng Chengde Sheng

Forty-six trace elements in coastal Casuarina equisetifolia plant-soil systems at nine sampling sites on Hainan Island were analyzed using ICP-MS. The relationships among the trace elements of the same group or the same periodicity of the Periodic Table in the plants and soils were complex and no consistent patterns were found. More combinations of elements occurred with high positive correlati...

Journal: :Journal of the Japan Institute of Metals and Materials 1959

Journal: :Estudos do Quaternário / Quaternary Studies 2012

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