Results 201 to 210 of about 742,292 (243)
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1992
They fall into two well-defined groups, the first occurring naturally in reasonably large quantities, the second being radioactive and very largely man-made short life elements. A third group resemble the rare earths to such an extent that they are always classified together.
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They fall into two well-defined groups, the first occurring naturally in reasonably large quantities, the second being radioactive and very largely man-made short life elements. A third group resemble the rare earths to such an extent that they are always classified together.
openaire +1 more source
Extraction and separation of heavy rare earth elements: A review
, 2021Tianchi Liu, Ji Chen
semanticscholar +1 more source
Rare earth elements (REE) for the removal and recovery of phosphorus: A review.
Chemosphere, 2021A. Kunhikrishnan +6 more
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Nanopore discrimination of rare earth elements
Nature NanotechnologyRare earth elements (REEs), including scandium, yttrium and lanthanides, are strategic resources with unique electric, luminescent and magnetic properties. However, owing to their highly similar physiochemical properties, the identification and separation of all REEs are challenging.
Wen Sun +8 more
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Rare earth elements in sedimentary rocks; influence of provenance and sedimentary processes
, 1989S. McLennan
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Cosmochemistry of the rare earth elements: meteorite studies.
, 1984W. Boynton
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