نتایج جستجو برای: rare earth deposit

تعداد نتایج: 338823  

2018
David Santos-Carballal Phuti E. Ngoepe Nora H. de Leeuw

electronic and magnetic structures in the LiMn2O4 spinel David Santos-Carballal, 2, ∗ Phuti E. Ngoepe, and Nora H. de Leeuw 3, † School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom Materials Modelling Centre, School of Physical and Mineral Sciences, University of Limpopo, Private Bag x 1106, Sovenga, 0727, South Africa Department of Earth Science...

2016
Stephen M. Mansell Stephen T. Liddle

Stephen M. Mansell 1,* and Stephen T. Liddle 2,* 1 Institute of Chemical Sciences, School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, UK 2 School of Chemistry, The University of Manchester, Oxford Road, Manchester, M13 9PL, UK * Correspondences: [email protected] (S.M.M.); [email protected] (S.T.L.); Tel.: +44-131-451-4299 (S.M.M.); +44-161-27...

Journal: :Nature nanotechnology 2007
S Bertaina S Gambarelli A Tkachuk I N Kurkin B Malkin A Stepanov B Barbara

S. BERTAINA, S. GAMBARELLI, A. TKACHUK, I. N. KURKIN, B. MALKIN, A. STEPANOV AND B. BARBARA* Institut Néel, Département Nanosciences, CNRS, 25 Ave. des Martyrs, BP166, 38042 Grenoble Cedex 9, France Ecole Nationale Supérieure de Physique, INP de Grenoble, Minatec 3 parvis Louis Néel, BP 257, 38016 Grenoble Cedex 9, France Laboratoire de Chimie Inorganique et Biologie (UMR-E 3 CEA-UJF), DRFMC, C...

2017
F. H. Spedding William J. McGinnis

The production of over 400 grams of pure gadolinium metal by reduction of the anhydrous chloride by calcium in tantalum vessels is described; yields were over 97%. The use of the same techniques in an attempt to prepare yttrium metal were partially successful.

Journal: :Dalton transactions 2008
Ajay Venugopal Alexander Hepp Tania Pape Andreas Mix Norbert W Mitzel

The rare-earth metal hydroxylamide compound Y[N(SiHMe2)2]2[ONBn2][THF] (1) was prepared by the silylamide elimination pathway from the reaction of N,N-dibenzylhydroxylamine, Bn2NOH (Bn = CH2C6H5), with Y[N(SiHMe2)2]3[THF]2 and was characterised by multinuclear NMR spectroscopy and elemental analysis. The compounds [Cp2Y(ONBn2)]2 (2a) [Cp2Sm(ONBn2)]2 (2b) were obtained by the reactions of MCp3 (...

2003
A. Engler G. Kurat P. J. Sylvester

(LL3.1), BISHUNPUR (LL3.1) AND MEZÖ-MADARAS (L3.7): IMPLICATIONS FOR CHONDRULE FORMATION. A. Engler, G. Kurat and P. J. Sylvester, Department of Mineralogy and Petrology, University of Graz, Universitätsplatz 2, A-8010 Graz, Austria ([email protected]), Naturhistorisches Museum, Postfach 417, A-1014 Vienna, Austria, Department of Earth Science, Memorial University of Newfoundland, St. Jo...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2015
Shi-Bo Cheng Cuneyt Berkdemir A W Castleman

Rare earth elements (REs) consist of a very important group in the periodic table that is vital to many modern technologies. The mining process, however, is extremely damaging to the environment, making them low yield and very expensive. Therefore, mimicking the properties of REs in a superatom framework is especially valuable but at the same time, technically challenging and requiring advanced...

Journal: :Systematic biology 2014
Michael S Y Lee Andrea Cau Darren Naish Gareth J Dyke

1Earth Sciences Section, South Australian Museum, North Terrace, Adelaide 5000, Australia; 2School of Earth and Environmental Sciences, University of Adelaide 5005, Australia; 3Museo Geologico e Paleontologico “Giovanni Capellini”, Via Zamboni 63, 40126 Bologna, Italy; and 4Ocean and Earth Science, University of Southampton, Southampton SO14 3ZH, UK ∗Correspondence to be sent to: E-mail: mike.l...

2015
H. J. van Heck J. H. Davies D. Porcelli

H. J. van Heck, J. H. Davies, T. Elliott, and D. Porcelli School of Earth and Ocean Sciences, Cardiff University, Main Building, Park Place, Cardiff, CF10 3AT, Wales, UK Department of Earth Sciences, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, the Netherlands Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queen’s Road, Bristol BS8 1RJ, UK Department of ...

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