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Auswahl der wissenschaftlichen Literatur zum Thema „Sesquioxydes de terre rare“
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Zeitschriftenartikel zum Thema "Sesquioxydes de terre rare"
Giovagnoli, Marco. „Le Terre Rare. Questioni geopolitiche, economiche e ambientali“. PRISMA Economia - Società - Lavoro, Nr. 1 (April 2017): 115–61. http://dx.doi.org/10.3280/pri2016-001009.
Der volle Inhalt der QuelleLabulle, B., und C. Petipas. „Etude thermodynamique des systèmes terre-rare-élément de transition à l'aide du modèle de Miedema“. physica status solidi (a) 93, Nr. 2 (16.02.1986): 419–28. http://dx.doi.org/10.1002/pssa.2210930203.
Der volle Inhalt der QuelleEzzayani, Jamil, Hassan El Hadi, Said Chakiri, Wafae Nouaim, Mohamed Allouza und Ayoub El Maidani. „Les Roches Basiques Du Bas-Limousin (Massif Central Français) : Geochimie Et Implications Geodynamiques“. European Scientific Journal, ESJ 12, Nr. 35 (31.12.2016): 382. http://dx.doi.org/10.19044/esj.2016.v12n35p382.
Der volle Inhalt der QuelleGâteblé, Gildas, und Jérôme Munzinger. „Novitates neocaledonicae X: A very rare and threatened new microendemic species of Acropogon (Malvaceae, Sterculioideae) from New Caledonia“. PhytoKeys 110 (26.10.2018): 1–8. http://dx.doi.org/10.3897/phytokeys.110.27599.
Der volle Inhalt der QuelleGinderow, D. „Structure de Na3 M 3(CO3)5 (M = terre rare, Ca, Na, Sr), rattaché á la burbankite“. Acta Crystallographica Section C Crystal Structure Communications 45, Nr. 2 (01.02.1989): 185–87. http://dx.doi.org/10.1107/s0108270188009898.
Der volle Inhalt der QuelleMUNZINGER, JÉRÔME, und GILDAS GÂTEBLÉ. „Novitates neocaledonicae VI: Acropogon mesophilus (Malvaceae, Sterculioideae), a rare and threatened new species from the mesic forest of New Caledonia“. Phytotaxa 307, Nr. 3 (26.05.2017): 183. http://dx.doi.org/10.11646/phytotaxa.307.3.2.
Der volle Inhalt der QuelleMaho, F., F. Le Berre, O. Penã, R. Horyń und A. Wojakowski. „Relations de phases et cristallogenèse de phases de Chevrel séliniées TRMo6Se8 (TR = Terre rare) : premiers résultats sur monocristal“. Journal de Physique III 5, Nr. 1 (Januar 1995): 1–9. http://dx.doi.org/10.1051/jp3:1995106.
Der volle Inhalt der QuellePalidda, Salvatore. „Il cambiamento radicale delle politiche migratorie: dal lasciar vivere al lasciare morire (dalla biopolitica a sempre più tanatopolitica)“. REMHU: Revista Interdisciplinar da Mobilidade Humana 29, Nr. 61 (April 2021): 33–48. http://dx.doi.org/10.1590/1980-85852503880006103.
Der volle Inhalt der QuelleGaletto, A., W. Lopez und E. Baumeister. „Compétitivité de la production laitière au Nicaragua : analyse de la productivité et des coûts dans les élevages laitiers et à viande de la région de Matagalpa“. Revue d’élevage et de médecine vétérinaire des pays tropicaux 60, Nr. 1-4 (01.01.2007): 133. http://dx.doi.org/10.19182/remvt.9965.
Der volle Inhalt der QuelleRomanowska, Marta. „Uposażenie wójtów dziedzicznych miast Małopolski w XIV-XV w.“ Czasopismo Prawno-Historyczne 53, Nr. 1 (30.06.2001): 71–92. http://dx.doi.org/10.14746/cph.2001.1.3.
Der volle Inhalt der QuelleDissertationen zum Thema "Sesquioxydes de terre rare"
Hraiech, Sana. „Monocristaux cubiques de sesquioxydes Ln2O3 (Ln = Y, Lu et Sc) et de fluorures CaF2 dopés par l'ion terre rare laser Yb3+ : croissance, caractérisations structurale et spectroscopique“. Lyon 1, 2007. http://www.theses.fr/2007LYO10066.
Der volle Inhalt der QuelleThis study concerns the search of a laser diode pumped Yb3+- doped laser materials for the near IR range. Two cubic single crystalline families were studied: sesquioxides (Y2O3, Lu2O3 and Sc2O3) and fluorides CaF2, whose optical properties were optimized. Our object is to develop the interpretation of Yb3+ sites structure by spectroscopy and to contribute to the mechanism luminescence quenching. LHPG (Laser Heated Pedestal Growth) technique was modified for the sesquioxides growth. Single crystal fibers have been grown by using this technique without crucible. Other fibers were also obtained by Micro-Pulling-Down using a new rhenium crucible. Structural and spectroscopic properties of absorption, emission and decay time have been performed. A special study were adopted to interpret the influence of OH- on the luminescence quenching after proton implantation. In the case of Yb3+- doped CaF2 grown by the µPD technique, we have analysed the influence of the monovalent alkali ions Li +, Na + and K+ as charge compensator. Co-doping Na+ was proved to be the best for the laser optimization: it prevent Yb3+ ions from clustering, and control the number of the types of sites. First results of laser tests of the Yb3+ ions in symmetry C3v with CaF2 not compensated are also shown
Delaunay, Florian. „Élaboration de céramiques transparentes d’oxydes de terres rares pour l’optique : Étude de nouveaux additifs de frittage à base de fluor et synthèse de nanopoudres par réacteur continu“. Electronic Thesis or Diss., Limoges, 2024. http://www.theses.fr/2024LIMO0102.
Der volle Inhalt der QuelleThis thesis focuses on the development of transparent ceramics for laser applications as laser amplifiers, saturable absorbers or scintillators. The compounds studied are rare earth garnets and sesquioxides, which have excellent thermomechanical properties. In a first chapter, the impact of fluorine and its derivatives on the natural sintering mechanisms of rare earth sesquioxides (Y2O3, Lu2O3) was studied. Ultimately, transparent ceramics of Y2O3 and Lu2O3 doped with holmium were produced by pressure sintering and their spectroscopic properties studied. In a second chapter, YAG nanopowders were produced by the chemical coprecipitation route. A study of the synthesis parameters was carried out in order to determine the best conditions in order to synthesize pure, fine and homogeneous YAG powders using a batch reactor. Subsequently, this synthesis process was transposed to the use of a continuous piston-type reactor. The influence of the reactor type on the purity and morphology of the synthesized YAG nanopowders was studied. Finally, the study of the sintering behavior of the nanopowders thus obtained made it possible to obtain transparent YAG ceramics
Denaro, Aurelia <1994>. „Terre rare, con repertorio terminografico“. Master's Degree Thesis, Università Ca' Foscari Venezia, 2019. http://hdl.handle.net/10579/14329.
Der volle Inhalt der QuelleCappellini, Emma <1993>. „Terre Rare, un dominio cinese. Il caso Baotou“. Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/18181.
Der volle Inhalt der QuelleMemma, Fabrizio. „Distribuzione delle Terre Rare nelle acque destinate all’alimentazione umana“. Master's thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amslaurea.unibo.it/5123/.
Der volle Inhalt der QuelleBez, Riadh. „Nouveaux aimants nanocomposites à base d'intermetallique de terre rare“. Thesis, Paris Est, 2015. http://www.theses.fr/2015PESC1162.
Der volle Inhalt der QuelleThis work focuses on the synthesis and the study of new hard / soft nanocomposites. These nanocomposites exhibit interesting magnetic properties thanks to their high remanence combined with a high coercivity Hc. This allows a huge increase of the specific energy of the magnet. In this context, we have developed and studied new nanocomposites based on the out of equilibrium hard phases Sm (Fe, Si) 9C and Sm (Fe, Ga) 9C and soft phases _-Fe and FeCo. For the intrinsic nanocomposites SmFeSiC /_-Fe, we have shown by transmission electron microscopy, an average grain size of about 20 nm for the studied samples. The maximum value of (BH) max is obtained for the nanocomposite with about 15 % of _-Fe, it is equal to 11.7 MGOe (93.6 kJ/m3). For the extrinsic nanocomposites SmFeSiC/FeCo et SmFeGaC/FeCo, we have shown that the energy product (BH) max reaches a maximum and then decreases with increasing the rate of FeCo. The maximum values obtained are about 13.5 MGOe (108 kJ/m3) and 12.4 MGOe (99.2 kJ/m3) for SmFeGaC / 20% FeCo and SmFeSiC/ 10% FeCo samples, respectively. Finally, we have investigated the local structure of Pr2 (Co,Fe) 7 alloys by EXAFS spectroscopy and we have shown that the preferential site Fe in these compounds is the 12k site
Lassalle-Herraud, Olivier. „Dévitrification et étude structurale de verres riches en terre rare“. Perpignan, 2007. http://www.theses.fr/2007PERP0817.
Der volle Inhalt der QuelleFormer studies undertaken with the GDR NOMADE and the CEA has shown that alumino-silicate glasses containing lanthanum and sodium were potential matrix for long lived actinides. The aim of this work is the description of the effect of sodium concentration on stability, thermal and structural properties of glasses synthetized by concentrated solar way. After the optimisation of the process, the efficiency of the new process has been showed. In the four oxydes system : Si02-Al203-La203-Na20, the sodium introduction has been done by three ways : by substituting aluminia (A), by substitution of both alumina and silica (B), and by substitution of the three oxydes (C). The thermal stability is much more perturbed in the two last cases. The difference between Tg and Tc diminish quickly with addition of soda. The devitrification of glass at 1100°C has evidenced two crystallized phases by XRD diffraction : disilicate and apatite. The NMR structural study has been done on 29Si, 27Na and 23Na in order to obtain informationon the polymerisation degree of the system as weel as on the coordination of aluminium and the symetry of its environment. Additional information were obtained by RAMAN spectroscopy and XPS
Save, Maud. „Polymérisation d'esters cycliques amorcée par un dérivé de terre rare“. Bordeaux 1, 2000. http://www.theses.fr/2000BOR10572.
Der volle Inhalt der QuelleLaversenne, Laetitia. „Nouvelle méthode de chimie combinatoire pour l'optimisation des propriétés spectroscopiques des ions terres rares laser Yb3+, Er3+ et Ho3+ dans des fibres monocristallines de sesquioxydes réfractaires M2O3 (M=Y, Sc, Lu, Gd)“. Lyon 1, 2002. http://www.theses.fr/2002LYO10018.
Der volle Inhalt der QuelleBarthem, Vitoria Maria T. Souza. „Propriétés magnétiques et magnétoélastiques de composés hexagonaux RNi5 (R = Terre rare)“. Grenoble 1, 1987. http://www.theses.fr/1987GRE10044.
Der volle Inhalt der QuelleBücher zum Thema "Sesquioxydes de terre rare"
Gaburro, Galleria, Hrsg. Il mercante di terre rare. Imola]: Maretti editore, 2022.
Den vollen Inhalt der Quelle findenUniversité des sciences et techniques de Lille-Flandres-Artois, Hrsg. Etude des orthophosphates doubles de terre rare et de potassium par spectroscopies moléculaires. Grenoble: A.N.R.T, Université Pierre Mendes France (Grenoble II), 1986.
Den vollen Inhalt der Quelle findenAndré, Bouchard, Hrsg. The Rare vascular plants of the Island of New foundland =: Les plantes vasculaires rares de l'Ile de Terre-Neuve. Ottawa, Ont., Canada: Canadian Museum of Nature, 1991.
Den vollen Inhalt der Quelle findenTERRE RARE, il Vero Potere Nell'era Digitale. Independently Published, 2021.
Den vollen Inhalt der Quelle findenBuchteile zum Thema "Sesquioxydes de terre rare"
Guillaumin, Jean‑Yves. „Une pratique romaine : le tirage au sort dans l’attribution des terres“. In Le tirage au sort dans l’Antiquité, 181–94. Lyon: MOM Éditions, 2025. https://doi.org/10.4000/1353i.
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