Strength prediction of similar materials to ionic rare earth ores based on orthogonal test and back propagation neural network
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DOI: 10.1007/s00500-019-03833-7
Abstract: AbstractThis paper aims to predict the strength of materials similar to the ionic rare earth (IRE) ores [hereinafter referred as similar materials (SM)]. A 4 × Y × 2 back propagation neural network (BPNN) prediction model, based on 18… read more here.
Keywords: ionic rare; strength; similar materials; prediction ... See more keywords
Response surface method for optimization of leaching of a low-grade ionic rare earth ore
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DOI: 10.1016/j.powtec.2018.02.044
Abstract: Abstract China's ionic rare earth ore is of great strategic value because of its abundant medium and heavy rare earth elements (REEs). However, its rare earth reserves have decreased significantly in recent years. It is… read more here.
Keywords: ionic rare; earth ore; rare earth; value ... See more keywords
Rare Earth Element Extraction from Ionic Rare Earth Ores by Two Typical Acidogenic Microorganisms, Aspergillus niger and Acidithiobacillus ferrooxidans
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DOI: 10.3390/ijms26051986
Abstract: Ionic rare earth ore (IREO) has a high abundance of medium and heavy rare earth elements (REEs), making it a vital strategic resource for China. In this work, two typical microorganisms, Aspergillus niger and Acidithiobacillus… read more here.
Keywords: two typical; microorganisms aspergillus; aspergillus niger; ionic rare ... See more keywords
Effect of Leaching of Ionic Rare Earth Ores on the Permeability Coefficient of Mineral Soil and Its Correlation with the State Parameter
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DOI: 10.3390/met15030258
Abstract: The permeability of ionic rare is a crucial factor influencing the leaching rate of rare earth elements. In the Gannan region, many ionic rare earth ores exhibit poor permeability and high compressibility compared to sandy… read more here.
Keywords: permeability coefficient; permeability; ionic rare; rare earth ... See more keywords