Results 21 to 30 of about 5,131,582 (279)
Online preconcentration ICP-MS analysis of rare earth elements in seawater [PDF]
, 2012 The rare earth elements (REEs) with their systematically varying properties are powerful tracers of continental inputs, particle scavenging intensity and the oxidation state of seawater.
Stichel, Torben +5 more
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Occurrences of Rare-Earth Elements in Heavy Mineral Sand Deposits, Coastal Plain, Georgia [PDF]
, 2023 Rare earth elements (REE) are critical constituents in many modern technologies and products. Five samples (beach sands, gangue from Upper Coastal Plain Creataceous-early Tertiary sandstones, and Ti-Zr heavy mineral concentrates) were collected from ...
Al-Zehhawi, Mustafa
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Plants, 2021 Rare earth element fractionation and distribution in the coastal ecosystem have been of significant concern and are recognized worldwide as emerging micro-pollutants. However, unlike other metals such as trace elements, little is known about their uptake
Abdullahi Bala Alhassan +1 more
doaj +1 more source
The impact of vegetation on fractionation of rare earth elements(REE) during water–rock interaction [PDF]
, 2006 Previous studies on waters of a streamlet in the Vosges mountains (eastern France) have shown that Sr and rare earth elements (REE) principally originate from apatite dissolution during weathering. However, stream water REE patterns normalized to apatite
Steinmann, Marc +15 more
core +1 more source
Rare Earth Elements in Agriculture with Emphasis on Animal Husbandry [PDF]
, 2006 Calculations performed in consideration of a continuously increasing world population have revealed that animal production needs to be enhanced worldwide by at least 2 % each year so as to provide sufficient feed.
Redling, Kerstin
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Biologia Plantarum, 2019 Since 1960, the positive effects of rare earth elements (REE) on crop physiology have been observed, and support for photosynthesis, biomass accumulation, secondary metabolites, or enzymes has been reported in 40% of studies.
M. Kovaříková +2 more
doaj +1 more source
Geochemical characteristics and mining prospects of REE in Lugou coal mine of Xinmi coalfield
矿业科学学报, 2020 The content of rare earth elements and their occurrence characteristics under low temperature ashing conditions in Lugou coal mine of Xinmi coalfield were studied by XRD, XRF and ICP-MS analysis techniques.The results show that the total content of rare ...
Luo Zhonggeng +3 more
doaj +1 more source
Indonesian Journal on Geoscience, 2018 DOI: 10.17014/ijog.5.2.179-197A geochemical study was carried out to determine the geochemical characteristics of limestone in Wonosari-Punung Formation, and to suggest its depositional conditions and the source of rare earth elements.
Didik Dwi Atmoko +2 more
doaj +1 more source
Government Documents on Rare Earth Minerals [PDF]
, 2012 Rare earth minerals contain unique chemical and physical properties such as lanthanum, are found in small concentrations, need extensive precise processes to separate, and are critical components of modern technologies such as laser guidance systems ...
Chapman, Bert
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Rare Earth Elements in Wetlands
, 2016 International ...
Davranche, Mélanie +6 more
openaire +3 more sources