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Research Progress in Preparation and Purification of Rare Earth Metals

open access: yesMetals, 2020
The purity of rare earth metals is one of the most important factors to research and develop high technique materials. However, high purity rare earth metals are not easily achieved. This review summarizes the preparation and purification methods of rare
Hang Liu   +4 more
doaj   +4 more sources

Extractants for rare earth metals

open access: yesChimica Techno Acta, 2016
The separation of trivalent rare earth metals is perhaps the most serious challenge associated with a closed fuel cycle. The choice of ligand as extractant, which must be selective and efficient in conditions of high radiation environment, plays an ...
V. V. Kurysheva   +2 more
doaj   +6 more sources

Effects of Rare Earth Metals on Steel Microstructures. [PDF]

open access: yesMaterials (Basel), 2016
Rare earth metals are used in semiconductors, solar cells and catalysts. This review focuses on the background of oxide metallurgy technologies, the chemical and physical properties of rare earth (RE) metals, the background of oxide metallurgy, the ...
Pan F   +9 more
europepmc   +3 more sources

Microbial extraction of rare earth metals [PDF]

open access: yesMicrobial Biotechnology, 2022
Lawrence P. Wackett
doaj   +2 more sources

Discussion on InSAR Identification Effectivity of Potential Landslides and Factors That Influence the Effectivity

open access: yesRemote Sensing, 2022
The southwest mountainous area of China is one of the areas with the most landslides in the world. In this paper, we used Ya’an City and Garzê Tibetan Autonomous Prefecture in Sichuan Province as the research areas to explore the identification ...
Jingtao Liang   +7 more
doaj   +1 more source

Integration of Sentinel-1A, ALOS-2 and GF-1 Datasets for Identifying Landslides in the Three Parallel Rivers Region, China

open access: yesRemote Sensing, 2022
In the process of using InSAR technology to identify active landslides, phenomena such as steep terrain, dense vegetation, and complex clouds may lead to the missed identification of some landslides.
Cong Zhao   +8 more
doaj   +1 more source

Discussion on the correlation between active fault and geological disaster distribution in the Ganzi area, western Sichuan province, China

open access: yesDizhi lixue xuebao, 2021
Geological disaster effect of active fault zone is a major research area in the field of engineering geology and geological disaster. Located in the west margin of the Qinghai-Tibet plateau, the Ganzi area in western Sichuan Province has underwent ...
QIN Yulong   +8 more
doaj   +1 more source

An analysis on chain characteristics of highstand geological disasters in high mountains and extremely high mountains based on optical remote sensing technology:A case study of representative large landslides in upper reach of Jinsha River

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2021
The upper reaches of Jinsha River are typical high mountain canyon areas with strong terrain cutting and deep valleys. Affected by the Jinsha River fault zone, the slope integrity is poor and the rock mass is fragmented, which makes the mountain ...
Wen LIU   +7 more
doaj   +1 more source

Preliminary analysis on basic characteristics and mechanism of rockfalls in layered red rocks with gentle dip angle: A case study of the Tiejiangwan rockfall in Hongya County, Sichuan Province

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2023
Gentle dip angle rock slopes are often developed in layered red rocks, which are prone to geological disasters due to the combination of soft and hard lithology.
Wen LIU   +7 more
doaj   +1 more source

Remote sensing dynamic analysis of chain characteristics of long range and high position landslide in Jinsha River junction zone: A case study of Baige landslide

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2021
Due to the development of geological structure, frequent seismic activity, strong valley cutting, high steep and narrow bank slope, extremely broken rock mass, there have been many large-scale landslides blocking the Jinshajiang River in history.Taking ...
Xichao HUANG   +5 more
doaj   +1 more source

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