Results 31 to 40 of about 25,259 (119)
We report here the crystal structure of a ten-coordinate lanthanum(III) metal coordinated by five bidentate ethylenediamine ligands, [La(C2H8N2)5]Cl3·C2H8N2·CH2Cl2. One free ethylenediamine molecule and three Cl− anions are also located in the asymmetric
Hope T. Sartain +2 more
doaj +1 more source
Electrophysical characteristics of germanium MIS structures with rare-earth element fluorides
The electrical properties of MIS structures with rare-earth element fluorides on germanium substrates were studied to analyze the possibility of using these materials as gate dielectrics of devices.
Natalia V. Sachuk +1 more
doaj +1 more source
Guangdong has abundant kinds of rare earth element resources. The resource which could satisfy the industry exploitation is only the ion adsorption type of rare earth ores.
HUANG Hua-gu +3 more
doaj +2 more sources
Quantitative analysis of rare earth elements in Mg–Zn–RE(Ce, Y, Gd)–Zr alloy
The solid solution amount of rare earth elements and the mass fraction of compounds were measured by low-temperature phase separation technology, the existing forms of rare earth elements in ZK-RE(Ce, Y, Gd) alloy were quantitatively studied, and the ...
Yuguang Li +4 more
doaj +1 more source
Rare Earth Element Contents and Occurrence Forms in Weathering Crust Ion Adsorption Rare Earth Ore
The weathering crust ion adsorption type rare earth deposit has the characteristics of complete REE types, low radioactivity, high heavy rare earth contents, and easy mining, making it an extremely important type of rare earth deposit.
Xilian XIAO +5 more
doaj +1 more source
Coal ash resources and potential for rare earth element production in the United States
The renewable energy industry is heavily reliant on rare earth elements, underscoring the need to develop resources and production. The objective of this work was to estimate coal ash resources and potential for extraction of rare earth elements using ...
Robert C. Reedy +6 more
doaj +1 more source
Rare earth element dynamics in the deep subsurface of a high-energy beach
Subterranean estuaries of high-energy beaches are considered as dynamic biogeochemical reactors. The advective porewater flow and associated transport of organic and inorganic constituents reach deep into the subsurface.
Magali Roberts +11 more
doaj +1 more source
Evaluation on Delineation Methods for Ion-adsorption Type Rare Earth Ore Body
Ion-adsorption type rare earth ore is unique and a valuable resource in China. Total rare earth oxides (SREO) and leaching quantities of rare earth oxides (SREO) are important indices of evaluation of the scope and value of rare earth resources.
DENG Mao-chun +6 more
doaj
Rare Earth Element Concentrations in Brazilian Benchmark Soils
: Studies regarding background concentrations of rare earth elements (REEs) are scarce and have mainly focused on a limited number of soil types from the northern hemisphere.
Ygor Jacques Agra Bezerra da Silva +4 more
doaj +1 more source
Effect of Rare Earth Oxide on Electrochemical behaviors of Ni-MH Battery on New Energy Vehicle
Ni-MH Battery used in New Energy Vehicle (NEV) often presents poor electrochemical behaviors under high temperature condition. In view of this gap, this paper explores electrochemical behaviors of such Ni-MH battery that contains rare-earth elements (Y ...
Mengxiong Lu
doaj +1 more source

