Relevant bibliographies by topics / Uranite

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Uranite'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2025

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Journal articles on the topic "Uranite"

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Yuan, Feng, Shao-Yong Jiang, Jiajun Liu, et al. "Geochronology and Geochemistry of Uraninite and Coffinite: Insights into Ore-Forming Process in the Pegmatite-Hosted Uraniferous Province, North Qinling, Central China." Minerals 9, no. 9 (2019): 552. http://dx.doi.org/10.3390/min9090552.

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The biotite pegmatites in the Shangdan domain of the North Qinling orogenic belt contain economic concentrations of U, constituting a low-grade, large-tonnage pegmatite-hosted uraniferous province. Uraninite is predominant and ubiquitous ore mineral and coffinite is common alteration mineral after initial deposit formation. A comprehensive survey of the uraninite and coffinite assemblage of the Chenjiazhuang, Xiaohuacha, and Guangshigou biotite pegmatites in this uraniferous province reveal the primary magmatic U mineralization and its response during subsequent hydrothermal events. Integratin
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Ding, Weixuan, Johannes A. Botha, Bruce C. Hanson, and Ian T. Burke. "Synthesis of Calcium Monouranate Particles via an Aqueous Route." MRS Advances 1, no. 62 (2016): 4123–29. http://dx.doi.org/10.1557/adv.2017.199.

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ABSTRACTLarge stores of unstable waste uranic materials such as fluorides or nitrates exist internationally due to legacy civil nuclear enrichment activities. Conversion of these uranic materials to layered metal uranates prior to disposal is possible via aqueous quench - precipitation type reactions. Previous studies1 have shown facile in-situ formation of geologically persistent and labile uranate colloids2 under simulated nuclear waste repository conditions, though the effects of local solution metal-uranium ratios on uranate stoichiometry have yet to be covered. This affects our understand
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MIERCZYK, Zygmunt, Andrzej GIETKA, Łukasz OSUCHOWSKI, and Tomasz SZYMCZAK. "Concrete structures with polymer sulfur." Inżynieria Bezpieczeństwa Obiektów Antropogenicznych, no. 1 (March 31, 2025): 126–40. https://doi.org/10.37105/iboa.259.

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The article presents the results of physical-structural, chemical, mechanical and radiation attenuation measurements g conducted for various concrete structures with polymer sulfur. A scanning electron microscope and the LIBS system – the method of atomic emission spectroscopy with laser excitation – were used for structural and chemical composition studies. Tests of mechanical properties were carried out on an Instron 8862 testing machine, while the determination of the absorption coefficient of radiation g was carried out in a measuring system with sources: 137Cs and 60Co, as well as natural
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Matar, Samir F. "Ab-initio Studies of the Electronic Structures of the Hexavalent Uranium Compounds K2UO4 and Na4UO5." Zeitschrift für Naturforschung B 69, no. 1 (2014): 109–15. http://dx.doi.org/10.5560/znb.2014-3280.

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Band theoretical results within the density functional theory are reported for the uranates K2UO4 and Na4UO5. The two structures are differentiated respectively by uranyl and reverse uranyl-type short U-O distances characterizing the UO6 octahedra, as also reflected by larger compressibility and stability of the potassium-based uranate derived from energy-volume equations of states and the cohesive energy. A larger ionic character of Na4UO5 is inferred from comparative Bader charge analyses. The two uranates are insulators with a larger band gap and less extended valence and conduction bands f
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Wang, Jian, Zhanxue Sun, Guangrong Li, et al. "Geochemistry and Acid Hydrometallurgy Accessibility of Uraninite from Mianhuakeng Granite-Hosted Uranium Deposit, South China." Minerals 10, no. 9 (2020): 747. http://dx.doi.org/10.3390/min10090747.

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Systematic study of the surface chemical properties of uranium minerals is necessary to improve the uranium ore extracting process. The presented work aims to argue geochemistry and acid hydrometallurgy accessibility of uraninite from the Mianhuakeng (MHK) granite-hosted uranium deposit, South China, which provides insight on this ore extracting domain. Mineralogy, geochemical composition, U–Th–Pb chemical age, and uranium deportment of the uraninite were systematically analyzed by using scanning electron microscope with energy dispersion spectrum (SEM-EDS), an electron probe microanalyzer (EP
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Yu, Chi-Da, Kai-Xing Wang, Xiao-Dong Liu, et al. "Uranium Mineralogical and Chemical Features of the Na-Metasomatic Type Uranium Deposit in the Longshoushan Metallogenic Belt, Northwestern China." Minerals 10, no. 4 (2020): 335. http://dx.doi.org/10.3390/min10040335.

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The Longshoushan Metallogenic Belt (northwestern China) is known for its word-class Jinchuan Ni-Cu sulfide (Pt) deposit and is also an important uranium metallogenic belt. The Jiling uranium deposit in this belt is a typical Na-metasomatic uranium deposit, which rarely occurs in China. Mineralization in the Jiling uranium deposit is hosted in granitoids that have suffered a Na-metasomatic alteration. There are three kinds of uranium minerals, including uraninite, pitchblende, and coffinite in the Jiling uranium deposit. Pitchblende is the predominant uranium mineral. Integrating the mineralogy
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Parnell, John. "Petrographic relationships between mineral phases and bitumen in the Oklo Proterozoic natural fission reactors, Gabon." Mineralogical Magazine 60, no. 401 (1996): 581–93. http://dx.doi.org/10.1180/minmag.1996.060.401.04.

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AbstractSeveral of the Proterozoic natural fission reactors at Oklo, Gabon contain abundant organic matter (bitumen), with which much of the reactor uranium is associated. An understanding of the petrography of the bitumen is important in assessing its role in element retention following fissiogenic reactions. The bitumen is replacive and includes vestiges of detrital grains and clays of the host sandstones. It also contains several generations of mineral phases related to the migration of uranium and daughter lead, and other elements mobilized by hydrothermal activity in the reactor zones. Th
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Xu, Zhengqi, Minghui Yin, Youliang Chen, et al. "Genesis of Megacrystalline Uraninite: A Case Study of the Haita Area of the Western Margin of the Yangtze Block, China." Minerals 11, no. 11 (2021): 1173. http://dx.doi.org/10.3390/min11111173.

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Megacrystalline uraninite (up to one centimeter in size) represents one of the most important discoveries in uranium mineralogy in the western margin of the Yangtze Block and even in China in recent years. However, the genesis of megacrystalline uraninite remains controversial. In this study, the megacrystalline uraninite found in the felsic and quartz veins in the Haita area is examined for the first time. The study examined the geochemical characteristics of uraninite in the two veins and resulted in two primary findings. (1) The genesis of the uraninite was likely intrusive and was closely
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Weber, Karrie A., J. Cameron Thrash, J. Ian Van Trump, Laurie A. Achenbach, and John D. Coates. "Environmental and Taxonomic Bacterial Diversity of Anaerobic Uranium(IV) Bio-Oxidation." Applied and Environmental Microbiology 77, no. 13 (2011): 4693–96. http://dx.doi.org/10.1128/aem.02539-10.

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ABSTRACTMicroorganisms in diverse terrestrial surface and subsurface environments can anaerobically catalyze the oxidative dissolution of uraninite. While a limited quantity (∼5 to 12 μmol liter−1) of uranium is oxidatively dissolved in pure culture studies, the metabolism is coupled to electron transport, providing the potential of uraninite to support indigenous microbial populations and to solubilize uranium.
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Cruz, Juncal A., Ismael Coronado, Montserrat Ferrer-Juliá, et al. "Caracterización de minerales de uranio con espectroscopía de reflectancia de laboratorio: estudio del yacimiento de fósiles de Córcoles, Guadalajara." Geogaceta 72 (December 11, 2022): 55–58. http://dx.doi.org/10.55407/geogaceta98436.

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En la naturaleza, el ion uranilo se asocia comúnmente a arseniatos, fosfatos y vanadatos; uno de los orígenes secundarios másfrecuentes del uranio está asociado a fosfatos cálcicos biogénicos. En este estudio se han caracterizado minerales de uranio con espectroscopia de reflectancia VNIR-SWIR de laboratorio (400-2500 nm). Entre las muestras estudiadas se han incluido los minerales secundarios de uranio: metatorbernita, metautunita y metauranocircita, así como fosfatos cálcicos (biogénicos e inorgánicos) y fósiles coexistentes con mineralizaciones de metatyuyamunita encontrados en el yacimient
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Dissertations / Theses on the topic "Uranite"

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Fernandes, Teresa. "Geochemical behaviour of uranium and thorium in the waste of a uranium conversion facility." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/460838.

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Los residuos contenidos en las balsas de decantación de la planta de conversión de uranio de Comurhex - Malvési, Francia, han sido caracterizados con el objectivo de investigar el comportamiento de uranio y torio en este entorno específico. El residuo es una sucesión de estratos heterogénea que comprende una mezcla de los efluentes del proceso con el suelo (que han tenido su origen en la re-construcción de los diques de las balsas, el efluente de lodo, y los antiguos desechos de las minas de azufre y de flotación de residuos sobre las que las balsas han sido localizadas. El efluente de l
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Gronowski, Adrian. "Effects of uranium mining on groundwater - Geochemical modeling of aqueous uranium speciation due to changing redox conditions." Thesis, KTH, Mark- och vattenteknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-161064.

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As a consequence of rising uranium prices an interest in Sweden’s U deposits has emerged. This raises the important question of the possible environmental impacts of U mining operations. One of the most significant and serious issues is the contamination of groundwater by U following mining activities. The processes of uranium release and subsequent transport in groundwater is closely tied to its aqueous chemistry i.e. aqueous speciation, adsorption to mineral surfaces and dissolved organic carbon (DOM). The chemical parameters exerting the most control over these processes are pH and redox po
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Achin, Isabelle. "Caractérisation des sources d'uranium à l'Archéen : mécanismes de genèse des gisements d'uranium les plus anciens (3,0 à 2,2 Ga) et des préconcentrations uranifères paléoprotérozoïques." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10045/document.

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Les plus anciens gisements d’uranium connus sur Terre sont les gisements de type paléo-placer hôtes de conglomérats à cailloux de quartz d’âge compris entre 3,09 et 2,2 Ga. Ces gisements représentent les reliques de l’ancienne croûte continentale archéenne maintenant érodée. L’origine de leurs concentrations primaires, correspondant à des accumulations de grains détritiques d’uraninite, est toujours sujette à controverse et la nature et les processus de formation des roches sources archéennes demeurent incertains.Ce travail présente l’analyse minéralogique et géochimique détaillée des minérali
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Robit-Pointeau, Véronique. "Etude des phases néoformées lors de la dissolution du combustible nucléaire en condition de stockage géologique : influence des ions silicate." Paris 11, 2005. http://www.theses.fr/2005PA112330.

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Le combustible nucléaire usé en condition de stockage géologique peut s'altérer par oxydation locale à l'interface combustible/eau sous l'influence de la radiolyse alpha. Cependant l'environnement restera réducteur par le fort pouvoir tampon redox des matériaux de champ proche (produits de corrosion du conteneur, milieu géologique). Dans ces conditions, on admet généralement que l'uranium formerait des phases secondaires d'uranium (IV). La coffinite USiO4. N(H20) pourrait être une phase d'altération appropriée à considérer (relative abondance dans les réacteurs à fission naturels d'Oklo au Gab
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Tourneux, Jean-Christophe. "Complexes carbéniques nucléophiles de l'uranium." Thesis, Paris 11, 2012. http://www.theses.fr/2012PA112028/document.

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Les seuls complexes carbéniques stables (hors NHC) des métaux f présentent des groupes R2C(2-) comportant un ou deux atomes de phosphore en position alpha du carbone central. L’objectif de ce travail a été de développer la chimie des carbènes de l’uranium (métal 5f) avec le dianion C{Ph2P(=S)}2(2-) (SCS(2-)) afin d’étendre la chimie organométallique de cet élément à ses divers degrés d’oxydation (+3 à +6), et pour révéler l’effet des orbitales 5f sur la nature et la réactivité de la liaison double U=C.Nous avons tout d’abord isolé les réactifs M(SCHS) (M = Li et K) et montré le rôle du cation
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Silva, Márcio Luiz da [UNESP]. "Estudo hidroquímico e dos isótopos de urânio nas águas subterrâneas em cidades do Estado do Amazonas (AM)." Universidade Estadual Paulista (UNESP), 2005. http://hdl.handle.net/11449/102901.

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Made available in DSpace on 2014-06-11T19:32:18Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-06-23Bitstream added on 2014-06-13T19:02:50Z : No. of bitstreams: 1 silva_ml_dr_rcla.pdf: 21027584 bytes, checksum: 7cb732b23cad6eb774812ecce2087b54 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Este trabalho tem por objetivo investigar a hidroquímica elementar, assim como o comportamento geoquímico dos isótopos de 238U e 234U nas águas de subsuperfície em quinze cidades do estado do Amazonas, de maneira a proceder a caracterização de contaminantes ou poluentes q
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Nepali, Chandra Shekhar. "Phenomenological Predictions for Uranium + Uranium Collisions at RHIC." Kent State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=kent1207939432.

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Conde, Puigmal Marta. "Resistance to Mining. Enabling Factors and control of knowledge in uranium mining conflicts in Africa." Doctoral thesis, Universitat Autònoma de Barcelona, 2015. http://hdl.handle.net/10803/328709.

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La resistencia a la minería no es una novedad y sin embargo, la extracción de recursos se ha ido expandiendo material y geográficamente durante los últimos 150 años, llegando a nuevas fronteras, moviendo cantidades más grandes de tierra y agua e impactando a más comunidades. Las resistencias que han surgido contribuyen cada vez más a la forma de la frontera de extracción siendo a su vez un factor importante en la política económica de la expansión minera. Así pues, es cada vez más crucial entender porque surge resistencia social a la minería y como está evolucionando. Esta tesis focaliza la
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LEITAO, JUNIOR CLAUDIO B. "Estudo dos parametros de processo da reducao do tricarbonato de amonio e uranilo a dioxido de uranio em forno de leito fluidizado." reponame:Repositório Institucional do IPEN, 1992. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10297.

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Made available in DSpace on 2014-10-09T12:37:02Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T13:56:31Z (GMT). No. of bitstreams: 1 04495.pdf: 1601893 bytes, checksum: e55704a48b48bc206869a88930e54240 (MD5)<br>Dissertacao (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Östlund, Jacob, and Kristian Kierkegaard. "Uranium Mining Industry : -A valuation of uranium mining companies." Thesis, Jönköping University, JIBS, Accounting and Finance, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-927.

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<p>Background:</p><p>Over the last three years uranium prices have soard from US $14 per pound (lb) to the current price of US $120/lb and this rapid incline of the commodity have created a boom within the uranium prospecting and min-ing industry. There are currently 435 nuclear reactors all over the world and these reactors demand 180 millions of pounds of uranium each year to run at full production. Currently the uranium mining industry only sup-plies 110 million pounds of the demanded quantity. The remaining 70 mil-lion pounds are coming from secondary sources such as decommissioned nuclear
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Books on the topic "Uranite"

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Sunder, S. Corrosion of UN in water. Whiteshell Laboratories, 1996.

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Baran, Václav. Uranium (VI)-oxygen chemistry: Uranyl hydroxo complexes, uranates and oxides. Hadronic Press, 1993.

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Zoellner, Tom. Uranium. Penguin USA, Inc., 2009.

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Brodsky, Joseph. Uranija. Narodna knjiga, 1990.

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Valeria, Finucci, ed. Urania. Bulzoni, 2002.

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Giulia, Bigolina. Urania. Bulzoni, 2002.

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Borgstedt, Hans Ulrich, and Horst Wedemeyer. U Uranium. Edited by Karl-Christian Buschbeck. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-662-05671-4.

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Holleck, H., and H. Kleykamp. U Uranium. Edited by Rudolf Keim and Cornelius Keller. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-662-10716-4.

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Haase, Vera, Hannelore Keller-Rudek, Livio Manes, et al. U Uranium. Edited by Rudolf Keim. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-662-10719-5.

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Eekhoud, Georges. Georges Eekhoud: Un illustre uraniste. GKC, 2012.

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Book chapters on the topic "Uranite"

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Ewing, Rodney C. "1. Radioactivity and the 20th Century." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-006.

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Burns, Peter C. "2. The Crystal Chemistry of Uranium." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-007.

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Finch, Robert, and Takashi Murakami. "3. Systematics and Paragenesis of Uranium Minerals." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-008.

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Fayek, Mostafa, and T. Kurtis Kyser. "4. Stable Isotope Geochemistry of Uranium Deposits." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-009.

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Murphy, William M., and Everett L. Shock. "5. Environmental Aqueous Geochemistry of Actinides." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-010.

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Plant, Jane A., Peter R. Simpson, Barry Smith, and Brian F. Windley. "6. Uranium Ore Deposits— Products of the Radioactive Earth." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-011.

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Janeczek, Janusz. "7. Mineralogy and Geochemistry of Natural Fission Reactors in Gabon." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-012.

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Suzuki, Yohey, and Jillian F. Banfield. "8. Geomicrobiology of Uranium." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-013.

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Abdelouas, Abdesselam, Werner Lutze, and H. Eric Nuttall. "9. Uranium Contamination in the Subsurface: Characterization and Remediation." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-014.

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Wronkiewicz, David J., and Edgar C. Buck. "10. Uranium Mineralogy and the Geologic Disposal of Spent Nuclear Fuel." In Uranium, edited by Peter C. Burns and Robert J. Finch. De Gruyter, 1999. http://dx.doi.org/10.1515/9781501509193-015.

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Conference papers on the topic "Uranite"

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Pearcy, English C., and Hersh K. Manaktala. "Nuclear Fuel Corrosion over Millennia Interpreted Using Geologic Data." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94129.

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Abstract Corrosion of nuclear fuel over the 10,000 year regulatory period in a geologic repository will be a function of physical characteristics (e.g., crystallinity, crystal sizes, crystal forms) and chemical characteristics (e.g., crystal composition, compositional variability, accessory phases). Natural uraninite (nominally UO2+x) which has undergone long-term corrosion can be studied to infer the long-term behavior of nuclear fuel. Previously, uraninite from the Nopal I deposit, Peña Blanca district, Chihuahua, Mexico, has been shown to constitute an outstanding analog material for compar
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Chamberlain, Jarom, Hannah Patenaude, Amanda Musgrove, et al. "Electrodeposition of Zirconium on Uranium Nitride." In Nuclear and Emerging Technologies for Space (NETS 2024). American Nuclear Society, 2024. http://dx.doi.org/10.13182/nets24-43800.

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Coppersthwaite, Duncan, Howard Greenwood, Tahera Docrat, Sarah Allinson, Ruqayyah Sultan, and Sarah May. "Processing Liquid Organic Wastes at the NNL Preston Laboratory." In ASME 2013 15th International Conference on Environmental Remediation and Radioactive Waste Management. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icem2013-96071.

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Organic compounds of various kinds have been used in the nuclear industry for numerous duties in uranium chemical, metal and ceramic processing plants. In the course of the various operations undertaken, these organic compounds have become contaminated with uranic material, either accidentally or as an inevitable part of the process. Typically, the chemical/physical form and/or concentration of the uranic content of the organics has prevented disposal. In order to address the issue of contaminated liquid organic wastes, the National Nuclear Laboratory (NNL) has developed a suite of treatments
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Darbyshire, Carol, and Pete Burgess. "Quantifying Tc-99 Contamination in a Fuel Fabrication Plant." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59024.

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The Springfields facility manufactures nuclear fuel products for the UK’s nuclear power stations and for international customers. Fuel manufacture is scheduled to continue into the future. In addition to fuel manufacture, Springfields is also undertaking decommissioning activities. Today it is run and operated by Springfields Fuels Limited, under the management of Westinghouse Electric UK Limited. The site has been operating since 1946 manufacturing nuclear fuel. As part of the decommissioning activities, there was a need was to quantify contamination in a large redundant building. This buildi
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Preston, Jeff. "Uranium Holdup Monitoring with Compton Imaging as Function of Depth and Mass." In Uranium Holdup Monitoring with Compton Imaging as Function of Depth and Mass. US DOE, 2021. http://dx.doi.org/10.2172/1853963.

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Younas, Tanzila, Sarmad Hameed, Saud Sattar, Syed Ahmer Hussain Quadri, Usman Saeed, and Ali Asghar Modi. "Enrichment of Uranium." In 2018 IEEE 5th International Conference on Engineering Technologies and Applied Sciences (ICETAS). IEEE, 2018. http://dx.doi.org/10.1109/icetas.2018.8629209.

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Bonifas, Bernard. "Uranium Industry: Overview." In 2017 New Mexico Geological Society Annual Spring Meeting. New Mexico Geological Society, 2017. http://dx.doi.org/10.56577/sm-2017.500.

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Wang, Yuheng, Yanru Liang, Cui Li, et al. "Tetravalent Uranium Migration and Unrecoverable Uranium Resource Due to Fluorite." In Goldschmidt2021. European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7492.

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Basu, Anirban, Kathryn DeSantis, Kathrin Schilling, et al. "Uranium isotopic composition as novel biomarker of chronic uranium exposure." In Goldschmidt 2024. Geochemical Society, 2024. https://doi.org/10.46427/gold2024.24284.

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Cottrell, Catherine M., Mustapha Boubcher, Mingjun Chen, Zhenhua Zhang, and Sermet Kuran. "Natural Uranium Equivalent (NUE) Fuel: Full Core Use of Recycled Uranium and Depleted Uranium in CANDU Reactors." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16659.

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Since 2008 Candu Energy and the CANDU® utility in China (CNNC TQNPC) partnered to convert the Qinshan CANDU reactors to use recycled and depleted uranium based fuels, a first-of-its-kind. A fuel composed of both components and simulating natural uranium behaviour was developed, designed, manufactured and verification tested in the Qinshan units with success. This paper discusses the full core implementation and licensing work that will culminate with the conversion of Qinshan CANDU units to Natural Uranium Equivalent (NUE) fuel use by early 2014.
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Reports on the topic "Uranite"

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Mills, Stephanie E., and Bear Jordan. Uranium and Vanadium Resources of Utah: An Update in the Era of Critical Minerals and Carbon Neutrality. Utah Geological Survey, 2021. http://dx.doi.org/10.34191/ofr-735.

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Utah is the second largest vanadium producing state and the third largest uranium producing state in the United States. Carnotite, a primary ore mineral for both vanadium and uranium, was first discovered and used by Native Americans as a source of pigment in the Colorado Plateau hysiographic province of eastern Utah. Radioactive deposits have been ommercially mined in Utah since about 1900, starting with radium, followed by vanadium, and thenuranium. In 1952, the discovery of the Mi Vida mine in Utah’s Lisbon Valley mining district in San Juan County kicked off a uranium exploration rush acro
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Horvit, Andrew, and Donald Molony. A Systematic Review and Meta-Analysis of Mortality and Kidney Function in Uranium – Exposed Individuals. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.4.0122.

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Review question / Objective: 1) In humans, how does environmental and/or occupational exposure to uranium affect the risk of mortality due to primary kidney disease compared to unexposed individuals? (2) In humans, how does environmental and/or occupational exposure to uranium affect the risk of developing kidney failure compared to unexposed individuals? Eligibility criteria: We included cohort studies that evaluate the risk of CKD/ESKD due to uranium exposure. We also included cohort studies that evaluate standardized mortality due to all-cause mortality, kidney cancer, chronic kidney diseas
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Knight, R. D., B. A. Kjarsgaard, E G Potter, and A. Plourde. Uranium, thorium, and potassium analyses using pXRF spectrometry. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328973.

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The application of portable XRF spectrometry (pXRF) for determining concentrations of uranium (U), thorium (Th) and potassium (K) was evaluated using a combination of 12 Certified Reference Materials, 17 Standard Reference Materials, and 25 rock samples collected from areas of known U occurrences or mineralization. Samples were analysed by pXRF in Soil, Mining Cu/Zn and Mining Ta/Hf modes. Resulting pXRF data were compared to published recommended values, obtained by total or near total digestion methods with ICP-MS and ICP-OES analysis. Results for pXRF show a linear relationship, for thorium
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Li, Jiangxia, Liangmei Chen, Qinku Zhang, et al. Coupling electrokinetics and phytoremediation to remove uranium from contaminated soil : a laboratory pilot-scale study. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49631.

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Uranium is a naturally occurring trace element and radionuclide. Uranium is introduced to the environment anthropogenically because of industrial, military, and nuclear energy activities. The approach of coupled electrokinetic phytoremediation has been used to remove other heavy metals from contaminated soil. The objectives here are to investigate the distribution and solubility of uranium in soils with UO₂, UO, and uranyl, and examine the processes of coupled electrokinetic phytoremediation in removing U from soils with perennial ryegrass at a laboratory pilot scale. A low-intensity direct el
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Rempel, K. U., A. E. Williams-Jones, and K. Fuller. An experimental investigation of the solubility and speciation of uranium in hydrothermal ore fluids. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328995.

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Experimental data on the solubility and speciation of uranium in hydrothermal solution is required to improve genetic models for the formation of ore deposits, yet very few data of this type have been published. Of particular interest is the oxidation state of the uranium in solution, as conventional wisdom suggests that U is dissolved in the oxidized U(VI) state and precipitated as reduced U(IV) minerals, yet recent experiments have shown ppm-level solubility for U(IV). This study investigated the mobility of reduced U(IV) and oxidized U(VI) in acidic (pH = 2), fluoride- bearing and alkaline
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Jefferson, C. W., S. Pehrsson, V. Tschirhart, et al. Geology and metallogeny of the northeast Thelon Basin region, Nunavut, and comparison with the Athabasca Basin, Saskatchewan. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332499.

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Based on extensive remapping of the northeast Thelon Basin region in Nunavut, uranium exploration criteria are adapted from those of the Athabasca Basin in Saskatchewan, as basin-specific paradigms. The Athabasca Basin straddles the Rae and Hearne cratons and the Taltson magmatic zone, whereas the Thelon Basin rests entirely within the Rae Craton. In the Athabasca Basin, four unconformity-bounded siliciclastic sequences with different paleocurrents record a complex depositional history, whereas the Thelon Formation is a single, albeit cyclic siliciclastic unit with uni-modal paleocurrents. Ben
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Böhm, C., and N. Rayner. Summary of GEM results: Manitoba Far North Geomapping Initiative. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332503.

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The far north of Manitoba is endowed with potential for base and precious metals, diamonds, uranium, and rare metals. The goal of a collaborative project between the Manitoba Geological Survey and the Geological Survey of Canada was to provide an advanced framework of geoscience knowledge for mineral exploration and land-use management. Bedrock mapping, geophysical surveys, and geochemical and geochronological analyses carried out in 2005 to 2011 in the far north of Manitoba showed diverse and complex rocks that record nearly two billion years of Earth history. Key advancements in understandin
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Galán Párraga, Francisco José, and Antonio Ángel Moya Molina. EFECTO DEL VOLTAJE SOBRE LA CARGA ALMACENADA POR UN SUPERCONDENSADOR MEDIANTE LA PLATAFORMA ARDUINO. Fundación Avanza, 2025. https://doi.org/10.60096/fundacionavanza/11302025.

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El actual desarrollo de nuevas fuentes de energía renovable viene motivado por el fuerte aumento en el consumo de energía por parte de la sociedad, y la escasez de recursos naturales como el uranio, el carbón, el gas natural o el petróleo...
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Моркун, Володимир Станіславович, Сергій Олексійович Семеріков, and Світлана Миколаївна Грищенко. Methods of Using Geoinformation Technologies in Mining Engineers’ Training. Cambridge Scholars Publishing, 2018. http://dx.doi.org/10.31812/123456789/2652.

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Mining engineers or engineers of mining operations are today engaged in mining iron, nonferrous, rare metals, manganese and uranium ores, coal and other nonmetallic minerals. In the current environment, mining enterprises’ sustainability has become a priority and calls for conducting mining operations according to accepted emission limit values and radiation and environmental safety provisions, among other guidelines. This book highlights the problem of ensuring a future mining engineer’s environmental competence.
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Alexander, Jake. Cobalt Database of Utah. Utah Geological Survey, 2023. http://dx.doi.org/10.34191/ofr-749.

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This report and accompanying database collate known cobalt mineral occurrences and geochemical data for the state of Utah. These data were compiled from the Utah Geological Survey’s Utah Mineral Occurrence System database (UMOS), the National Uranium Resource Evaluation Hydrogeochemical and Stream Sediment Reconnaissance program (NURE-HSSR; U.S. Geological Survey, 2004) geochemical database, the U.S. Geological Survey National Geochemical Database (NGDB; U.S. Geological Survey, 2016), and the Utah Geochemistry Database (UGDB; unpublished internal Utah Geological Survey database).
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