Results 11 to 20 of about 25,259 (119)

Rare earth element contents, geochemistry of soil samples between Burdur and Isparta region and assessment of their origin

Bulletin of the Mineral Research and Exploration, 2020
This study was carried out in 5 locations between Burdur and Isparta in the inner southern part of Isparta Bend. The study aims to determine the rare earth element (REE) concentrations in the soil samples collected from the field and to interpret the ...
Ebru Tat, Mustafa Gurhan Yalcın
doaj   +1 more source

Investigation of rare earth elements in drinking water of typical rare earth mining and non-mining areas in three provinces of China

Zhongguo shipin weisheng zazhi, 2021
ObjectiveTo explore the concentrations of rare earth elements (Rare earth elements, REEs) in drinking water in rare earth mining and non-mining areas in Shandong, Guangdong, and Jiangxi provinces of China.MethodsTypical rare earth mining areas and 3 non ...
LOU Minhan, WANG Yibaina, SUI Haixia, MAO Weifeng, ZHANG Lei, LIU Zhaoping, WANG Yin, YONG Ling, SONG Yan   +8 more
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Effect of scandium on amylase production by Bacillus subtilis

Studies in Science and Technology, 2023
Scandium, lutetium, and gadolinium were selected from rare earth elements, and their effects on amylase activity secreted into the culture supernatant were examined when they were added to the NG medium.
Nobuki Hayase, Yuuki Manabe, Susumu Nakayama   +2 more
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Geochemical Discrimination of Monazite Source Rock Based on Machine Learning Techniques and Multinomial Logistic Regression Analysis

Geosciences, 2020
Detrital monazite geochronology has been used in provenance studies. However, there are complexities in the interpretation of age spectra due to their wide occurrence in both igneous and metamorphic rocks. We use the multinomial logistic regression (MLR)
Keita Itano, Kenta Ueki, Tsuyoshi Iizuka, Tatsu Kuwatani   +3 more
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Synthesis, characterization, and electrochemical properties of rare earth element nanoparticles and its application in electrochemical nanosensor for the detection of various biomolecules and hazardous compounds: A review

Sensing and Bio-Sensing Research, 2023
The utilization of nanoparticles of rare earth elements (REEs) has gained considerable interest and represents an advancement over micron-sized rare earth materials due to the distinct quantum properties exhibited by nanoparticles.
Nur Azizah Ferdiana, Husein Hernandi Bahti, Dikdik Kurnia, Santhy Wyantuti   +3 more
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Research progress on the distribution and occurrence characteristics of rare earth elements in coal and coal-fired products

Meitan kexue jishu
Rare earth elements are widely used in permanent magnet, metallurgy, hydrogen storage materials and other fields due to their special properties, and their consumption is increasing year by year.
Yanyang XING, Hua DING, Xiangfei BAI, Jin HE   +3 more
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Geochemical and Tectonic Setting of Trachyte rock withinAvromanCarbonite Formation, Zagros Suture Zone,Kurdistan Region/ Northeastern Iraq. [PDF]

Kirkuk Journal of Science, 2018
Trachyte extrusion rocks exposed as dyke cutting Avroman carbonate formation that is part of northwestern Zagros suture zone.Petrographical study combined with EMPA study reveals that these trachyte rock composed of essentially Plagioclase and ...
Sabah Ismail, Shleer Abdul-Qadir
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Partitioning of Ca to metastable precipitates in a Mg-rare earth alloy

Materials Research Letters, 2023
The potential effect of the element Ca on the precipitation behavior was investigated in an Mg-rare earth alloy. A combination of metastable β′′′ and β′ precipitates was observed for the peak aging condition at 200°C.
Qianying Shi, Anirudh Raju Natarajan, Anton Van der Ven, John Allison   +3 more
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Rare Earth Element Deposits of Alkaline Igneous Rocks

Resources, 2017
Alkaline igneous complexes host deposits of rare earth elements (REE), which represent one of the most economically important resources of heavy REE and Yttrium (Y).
Jaroslav Dostal
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Rare earth element enrichment in coal and coal-adjacent strata of the Uinta Region, Utah and Colorado

Frontiers in Earth Science
This study aims to quantify rare earth element enrichment within coal and coal-adjacent strata in the Uinta Region of central Utah and western Colorado. Rare earth elements are a subset of critical minerals as defined by the U.S. Geological Survey. These
Haley H. Coe, Lauren P. Birgenheier, Diego P. Fernandez, Ryan D. Gall, Michael D. Vanden Berg, Andrew Giebel   +5 more
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