نتایج جستجو برای: rare earth deposit

تعداد نتایج: 338823  

2015

Also the optical fiber amplifiers FAs that amplify weak signals such as the. Rare-Earth-Doped Fiber Lasers and Amplifiers, Michael J.F.Chapter 2. Optical and Electronic Properties of Rare Earth Ions in Glasses William J Miniscalco Abstract-HiRes PDF 2316 KB-PDF wlinks 2330 KB.amplifier materials in the system of rare-earth doped glasses are presented. rare-earth-doped ram concept manual pdf fib...

2006
E. Tuenter S. L. Weber F. J. Hilgen L. J. Lourens

Simulating sub-Milankovitch climate variations associated with vegetation dynamics E. Tuenter, S. L. Weber, F. J. Hilgen, and L. J. Lourens Royal Netherlands Meteorological Institute (KNMI), P.O. Box 201, 3730 AE De Bilt, The Netherlands Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Budapestlaan 4, 3584 CD Utrecht, The Netherlands Received: 11 August 2006 – Accepted:...

2015
Patrick C. Wassmer Christopher A. Gomez T. Yan W. M. Iskandarsyah Franck Lavigne Junun Sartohadi

Citation: Wassmer PC, Gomez CA, Iskandasyah TYWM, Lavigne F and Sartohadi J (2015) Contribution of anisotropy of magnetic susceptibility (AMS) to reconstruct flooding characteristics of a 4220 BP tsunami from a thick unconsolidated structureless deposit (Banda Aceh, Sumatra). Front. Earth Sci. 3:40. doi: 10.3389/feart.2015.00040 Contribution of anisotropy of magnetic susceptibility (AMS) to rec...

Journal: :Journal of hazardous materials 2013
Jochen Bundschuh Prosun Bhattacharya Bibhash Nath Ravi Naidu Jack Ng Luiz R G Guilherme Lena Q Ma Kyoung-Woong Kim Jiin-Shuh Jean

a Faculty of Health, Engineering and Surveying and NCEA, University of Southern Queensland, Toowoomba, QLD, Australia b KTH Royal Institute of Technology, Stockholm, Sweden c KTH-International Groundwater Arsenic Research Group, Division of Land and Water Resources Engineering, Department of Sustainable Development, Environmental Sciences and Engineering, KTH Royal Institute of Technology, Stoc...

Journal: :E3S web of conferences 2021

The article contains research materials on the storage of man-made deposits, including phosphogypsum dumps. consequences long-term operation dumps and their negative impact environment have been established. quantitative content microelements to soil within technogenic deposit was determined. Graphical dependences phosphorus, manganese, fluorine, mobile sulfur, zinc, nickel depending depth samp...

Journal: :Minerals 2023

This paper investigates the monazite grains from Dibrova rare-earth-thorium-uranium (U-Th-REE) mineral deposit within Azov Megablock of Ukrainian Shield. U-Th-REE mineralization is associated with K-feldspar-quartz metasandstones and metagritstones (hereafter quartzites) pegmatoids. The latter possibly represent products ultrametamorphism/granitization initially sedimentary clastic rocks during...

Journal: : 2023

Background . The minerogenic specialization of the Muzkol-Rangkul anticlinorium consists in industrial gemstone deposits ruby, cordierite, almandine, aquamarine, topaz, tourmaline, scapolite, etc. Large ore objects this area are unknown. Until recently, has had a negative assessment terms rare, rare earth, and noble metals. Aim To justify identification previously unknown magnetic ring-type str...

2017
Xibo Wang Mingtao Yao Jiashuo Li Kexue Zhang Minsi Zheng

Because of their unique physical and chemical properties, Rare earth elements (REEs) perform important functions in our everyday lives, with use in a range of products. Recently, the study of China’s rare earth elements production has become a hot topic of worldwide interest, because of its dominant position in global rare earth elements supply, and an increasing demand for rare earth elements ...

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