Bibliografías temáticas / Copper Spinel

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Literatura académica sobre el tema "Copper Spinel"

Autor: Grafiati
Publicado: 12 de octubre de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Copper Spinel"

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Białas, Anna, Kamil Rugała, Cezary Czosnek, Grzegorz Mordarski, and Jacek Gurgul. "Copper Aluminum Spinels Doped with Cerium as Catalysts for NO Removal." Catalysts 10, no. 12 (2020): 1388. http://dx.doi.org/10.3390/catal10121388.

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Cu-Ce(Mn)-Al oxide catalysts to NO removal in the broad temperature range were synthesized and tested. The precursor of copper aluminium spinel was obtained with the coprecipitation method. By this method, Cu–Al spinels with various amounts of manganese and cerium were synthesized as well. These oxides crystallized in the structure of inverse spinel; however, Ce doping caused the appearance of additional CeO2 phase as determined by XRD. The samples were mesoporous solids with moderate surface area and porosity measured by low temperature sorption of nitrogen. The addition of another metal to C
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Desai, Harshal B., Vijay Togadiya, Promila Dhanda, K. Haleema, and Ashish R. Tanna. "Photocatalytic activity of copper nanoferrite and activated carbon-copper nanoferrite composite." E3S Web of Conferences 619 (2025): 05009. https://doi.org/10.1051/e3sconf/202561905009.

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The sol-gel auto-combustion method was used to synthesize copper nanoferrite and activated carbon-copper nanoferrite composite. The stoichiometric chemical proportions of Cu, Fe, and O were confirmed by EDX, and the porosity was checked by SEM of synthesized specimens. The spinel phase copper nanoferrite was confirmed by XRD. The octahedral and tetrahedral force constants were calculated using FTIR spectra of pristine and activated carbon–copper nanoferrite composite. The experiments of Methylene blue’s degradation in sunlight with H2O2 and loading of synthesized specimens were carried out. Th
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Fan, Fenglan, Lingjuan Wang, Lei Wang, Jinyu Liu, and Minghui Wang. "Low-Temperature Selective NO Reduction by CO over Copper-Manganese Oxide Spinels." Catalysts 12, no. 6 (2022): 591. http://dx.doi.org/10.3390/catal12060591.

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Selective catalytic reduction of NO with CO (CO-SCR) has been suggested as an attractive and promising technology for removing NO and CO simultaneously from flue gas. Manganese-copper spinels are a promising CO−SCR material because of the high stability and redox properties of the spinel structure. Here, we synthesized CuxMn3−xO4 spinel by a citrate-based modified pechini method combining CuO and MnOx, controlling the molar Cu/Mn concentrations. All the samples were characterized by SEM, EDX, XRD, TEM, H2−TPR, XPS and nitrogen adsorption measurements. The Cu1.5Mn1.5O4 catalyst exhibits 100% NO
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Mandal, Siba Prasad. "Analysis of DC Conductivity and I-V Characterization of Nanocrystalline Copper Ferrite Sample at and above Room Temperature." Materials Science Forum 1103 (October 25, 2023): 121–28. http://dx.doi.org/10.4028/p-s3luqw.

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Spinel copper ferrite nanoparticles have wide spread technological applications. Polycrystalline copper ferrite nanoparticles is prepared by sonochemical method. The structural property is investigated by X-ray diffraction study, which reveals cubic spinel structure of copper ferrite NPs with average crystalline size of 20 nm. The temperature variation of DC conductivity of copper ferrite nanoparticles is studied. The conductivity is observed to increase with temperature which implies semiconducting nature of copper ferrite. The Mott study reveals that conduction process is three dimensional i
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Ahmed, Awad I., S. E. Samra, and S. A. El-Hakam. "Structural and surface aspects of thermally treated copper aluminium mixed hydroxides." Canadian Journal of Chemistry 69, no. 10 (1991): 1511–15. http://dx.doi.org/10.1139/v91-223.

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CuO–Al2O3 catalysts containing various amounts of copper oxide have been prepared by precipitation. The phase changes were studied by X-ray diffraction. The results obtained revealed that the thermal treatment of solid CuO–Al2O3 at 700 °C produced only crystalline CuO. Heating to 900 °C led to the formation of copper alumina spinel together with unreacted CuO and γ-Al2O3. The spinel content was found to increase with increasing copper content. Nitrogen adsorption–desorption isotherms on the calcined samples have been measured. Surface areas have been calculated and the pore structure analysed.
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Othéro de Brito, Vera Lúcia, Stéphanie Alá Cunha, Ana Paula Ribeiro Uchoas, Fabiana Faria de Araújo, Cristina Bormio Nunes, and Luis Antonio Genova. "Evaluation of the Sinterability of Copper-Substituted Ferrites by Means of Dilatometric Thermal Analysis." Materials Science Forum 805 (September 2014): 254–59. http://dx.doi.org/10.4028/www.scientific.net/msf.805.254.

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Cobalt and cobalt-manganese spinel ferrites have magnetostrictive properties suitable for application in magneto-electric and magneto-mechanical transducers. In this work, copper-substituted ferrites of these compositions were processed by means of the ceramic method and their sinterabilities were evaluated by dilatometric thermal analyses. The results obtained suggest that copper affects the solid-state reactions for the spinel formation and lowers the required sintering temperature for the ferrites. However, the densification obtained with sintering of the copper-substituted ferrites at 950o
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Sahu, Sulata K., and Alexandra Navrotsky. "Thermodynamics of copper‐manganese and copper‐iron spinel solid solutions." Journal of the American Ceramic Society 100, no. 8 (2017): 3684–92. http://dx.doi.org/10.1111/jace.14813.

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Flores-Lasluisa, Jhony Xavier, Javier Quílez-Bermejo, Ana Cristina Ramírez-Pérez, Francisco Huerta, Diego Cazorla-Amorós, and Emilia Morallón. "Copper-Doped Cobalt Spinel Electrocatalysts Supported on Activated Carbon for Hydrogen Evolution Reaction." Materials 12, no. 8 (2019): 1302. http://dx.doi.org/10.3390/ma12081302.

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The development of electrocatalysts based on the doping of copper over cobalt spinel supported on a microporous activated carbon has been studied. Both copper–cobalt and cobalt spinel nanoparticles were synthesized using a silica-template method. Hybrid materials consisting of an activated carbon (AC), cobalt oxide (Co3O4), and copper-doped cobalt oxide (CuCo2O4) nanoparticles, were obtained by dry mixing technique and evaluated as electrocatalysts in alkaline media for hydrogen evolution reaction. Physical mixtures containing 5, 10, and 20 wt.% of Co3O4 or CuCo2O4 with a highly microporous ac
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Komova, Oksana V., Valentina I. Simagina, Alena A. Pochtar, et al. "Catalytic Behavior of Iron-Containing Cubic Spinel in the Hydrolysis and Hydrothermolysis of Ammonia Borane." Materials 14, no. 18 (2021): 5422. http://dx.doi.org/10.3390/ma14185422.

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The paper presents a comparative study of the activity of magnetite (Fe3O4) and copper and cobalt ferrites with the structure of a cubic spinel synthesized by combustion of glycine-nitrate precursors in the reactions of ammonia borane (NH3BH3) hydrolysis and hydrothermolysis. It was shown that the use of copper ferrite in the studied reactions of NH3BH3 dehydrogenation has the advantages of a high catalytic activity and the absence of an induction period in the H2 generation curve due to the activating action of copper on the reduction of iron. Two methods have been proposed to improve catalyt
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Zhao, B., P. Hayes, and E. Jak. "Effects of CaO, Al2O3 and MgO on liquidus temperatures of copper smelting and converting slags under controlled oxygen partial pressures." Journal of Mining and Metallurgy, Section B: Metallurgy 49, no. 2 (2013): 153–59. http://dx.doi.org/10.2298/jmmb120812009z.

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Phase equilibria of silicate slags relevant to the copper smelting/converting operations have been experimentally studied over a wide range of slag compositions, temperatures and atmospheric conditions. Selected systems are of industrial interest and fill the gaps in fundamental information required to systematically characterise and describe copper slag chemistry. The experimental procedures include equilibration of synthetic slag at high temperatures, rapid quenching of resulting phases, and accurate measurement of phase compositions using electron probe X-ray microanalysis (EPMA). The effec
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Tesis sobre el tema "Copper Spinel"

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Abdelli, Hanen. "Ρrοductiοn phοtοcatalytique de l’hydrοgène à partir de l’acide fοrmique sοus lumière visible : phοtοcatalyseurs à base d’οxyde de cuivre et de fer". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC210.

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Le développement technologique visant à construire une société utilisant l'hydrogène comme moyen d'énergie, avec une faible charge environnementale et un rendement élevé, est nécessaire de toute urgence. Toutefois, l'hydrogène étant inflammable, les problèmes de sécurité liés à son stockage et à son transport limitent son utilisation en tant que combustible. L’utilisation des transporteurs organiques liquides d'hydrogène (TOLHs, ou LOHCs pour Liquid Organic Hydrogen Carriers) présente une alternative très prometteuse. Ils permettent de stocker et de transporter efficacement l'hydrogène avec un
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Nzaba, Sarre Kadia Myra. "Lithium manganese oxide modified with copper-gold nanocomposite cladding- a potential novel cathode material for spinel type lithium-ion batteries." University of the Western Cape, 2014. http://hdl.handle.net/11394/4444.

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>Magister Scientiae - MSc<br>Spinel lithium manganese oxide (LiMn2O4), for its low cost, easy preparation and nontoxicity, is regarded as a promising cathode material for lithium-ion batteries. However, a key problem prohibiting it from large scale commercialization is its severe capacity fading during cycling. The improvement of electrochemical cycling stability is greatly attributed to the suppression of Jahn-Teller distortion (Robertson et al., 1997) at the surface of the spinel LiMn2O4 particles. These side reactions result in Mn2+ dissolution mainly at the surface of the cathode during cy
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Dörfelt, Christoph [Verfasser], Klaus [Akademischer Betreuer] Köhler, Moniek [Gutachter] Tromp, Klaus [Gutachter] Köhler, and Kai-Olaf [Gutachter] Hinrichsen. "Synthesis, Reaction and Deactivation Mechanisms of Copper Aluminate Spinel Hydrogenation Catalysts / Christoph Dörfelt ; Gutachter: Moniek Tromp, Klaus Köhler, Kai-Olaf Hinrichsen ; Betreuer: Klaus Köhler." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1210643995/34.

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Chauvin, Camille. "Caracterisation d'oxydes de zinc et de catalyseurs de synthese du methanol cu-znal::(2)o::(4) : etude par spectroscopie infrarouge des sites d'adsorption et des mecanismes reactionnels." Caen, 1987. http://www.theses.fr/1987CAEN2017.

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Jones, Page. "Enzymatic and proteomic analysis of spinal cord in a G93A ALS mouse model." Thesis, Birmingham, Ala. : University of Alabama at Birmingham, 2008. https://www.mhsl.uab.edu/dt/2008r/jonesp.pdf.

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Chen, Meng-Hsien. "Investigation of copper and cadmium in the food chain of three-spined stickleback populations, Gasterosteus aculeatus L., in the River Wandle, UK." Thesis, King's College London (University of London), 1992. https://kclpure.kcl.ac.uk/portal/en/theses/investigation-of-copper-and-cadmium-in-the-food-chain-of-threespined-stickleback-populations-gasterosteus-aculeatus-l-in-the-river-wandle-uk(2efa8185-45e3-46f8-ba3d-84a434eb0f7b).html.

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Chapman, Kimberly K., Michael J. Benton, Ralph O. Brinkhurst, and Phillip R. Scheuerman. "Use of the Aquatic Oligochaetes Lumbriculus Variegatus and Tubifex Tubifex for Assessing the Toxicity of Copper and Cadmium in Spiked-Sediment Toxicity Bioassay." Digital Commons @ East Tennessee State University, 1999. https://dc.etsu.edu/etsu-works/2881.

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A sediment toxicity test using the freshwater oligochaetes Lumbriculus variegatus and Tubifex tubifex was performed. We evaluated acute and chronic toxicity affects of copper and cadmium on reproduction in both species and the bioaccumulation of both metals by L. variegatus using artificial sediment. L. variegatus bioconcentrated copper 22‐fold and cadmium 16‐fold after a 14‐day exposure to spiked artificial sediments with 0.02% organic content. The EC50 for T. tubifex varied depending upon endpoint from 2.7 to 2.8 mg/L for cadmium and from 8.4 to 8.9 mg/L for copper. The EC50 for L. variegatu
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Кухарук, Юрій Ігорович, та Yuriy Kukharuk. "Моделювання динамічних характеристик шпиндельного вузла спеціального токарно-копіювального багаторізцевого напівавтомата з ЧПК". Master's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2018. http://elartu.tntu.edu.ua/handle/lib/27293.

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Роботу виконано на кафедрі конструювання верстатів, інструментів та машин Тернопільського національного технічного університету імені Івана Пулюя Міністерства освіти і науки України<br>В дипломній роботі здійснено розрахунок та конструювання основних виконавчих вузлів спеціального токарно-копіювального напівавтомата, моделювання динамічних характеристик шпиндельного вузла.<br>In the thesis the calculation and design of the main executive units of a special turning-copier semiautomatic lathe, modeling of dynamic characteristics of the spindle node is carried out.<br>Вступ; Перший розділ "загаль
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Pereira, Hugo Borges. "Avaliação de aditivos para remoção catalítica de SOx em unidades de fcc." Universidade do Estado do Rio de Janeiro, 2007. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=7257.

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Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro<br>Os óxidos de enxofre (SOx) são um dos maiores poluentes atmosféricos e um dos precursores da chuva ácida. Um levantamento feito na Petrobrás mostrou que cerca de 17% dos SOx emitidos numa refinaria são oriundos do processo de FCC. Com o avanço dos controles ambientais, traduzido numa legislação mais restritiva, a técnica de incorporação de aditivos para remoção de SOx em UFCCs apresenta-se como a alternativa de menor custo frente outras tecnologias de abate das emissões de SOx. No presente trabalho, foram estudados aditivos constituí
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Residori, Sara. "FABRICATION AND CHARACTERIZATION OF 3D PRINTED METALLIC OR NON-METALLIC GRAPHENE COMPOSITES." Doctoral thesis, Università degli studi di Trento, 2022. https://hdl.handle.net/11572/355324.

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Nature develops several materials with remarkable functional properties composed of comparatively simple base substances. Biological materials are often composites, which optime the conformation to their function. On the other hand, synthetic materials are designed a priori, structuring them according to the performance to be achieved. 3D printing manufacturing is the most direct method for specific component production and earmarks the sample with material and geometry designed ad-hoc for a defined purpose, starting from a biomimetic approach to functional structures. The technique has the a
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Libros sobre el tema "Copper Spinel"

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, Western Ecological Research Center (Geological Survey), and Angeles National Forest (Calif.), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spined stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Sara, Compton, and Western Ecological Research Center (Geological Survey), eds. Post-fire treatment monitoring of critical habitat for the California red-legged frog (Rana aurora draytonii) and unarmored three-spine stickleback (Gasterosteus aculeatus williamsoni) in San Francisquito Canyon following the Copper Fire: Final report. U.S. Dept. of the Interior, U.S. Geological Survey, Western Ecological Research Center, 2003.

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Spider Mcdrew and the Egyptians: Band 12/Copper. HarperCollins Publishers Limited, 2020.

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Spider Mcdrew and the Egyptians: Band 12/Copper. HarperCollins Publishers Limited, 2020.

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Sherman, S. Murray, and W. Martin Usrey. Exploring Thalamocortical Interactions. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197503874.001.0001.

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The thalamus and cerebral cortex are active and necessary partners in the processing of signals essential for sensory, motor, and cognitive functions. This partnership is absolute, as neither the thalamus nor the cortex can be understood in any meaningful way in isolation from the other. This book provides readers with fundamental knowledge about the cells and circuits that mediate thalamocortical interactions and then explores new ideas that often challenge conventional understanding. Some of the major themes emphasized throughout the book include the need for a proper classification of thala
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Capítulos de libros sobre el tema "Copper Spinel"

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Stewart, S. J., R. C. Mercader, G. Punte, J. Desimoni, G. Cernicchiaro, and R. B. Scorzelli. "Shifting the Superparamagnetic Limit of Nanosized Copper Iron Spinel." In ICAME 2003. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-1-4020-2852-6_15.

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Sun, Zhihao, Srikanth Gopalan, Uday B. Pal, and Soumendra N. Basu. "Electrophoretically Deposited Copper Manganese Spinel Coatings for Prevention of Chromium Poisoning in Solid Oxide Fuel Cells." In Energy Technology 2019. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-06209-5_27.

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Eltorai, Ibrahim M. "Copper Deficiency." In Rare Diseases and Syndromes of the Spinal Cord. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-45147-3_32.

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Fukushima, Jun, Hirotsugu Takizawa, and Yamato Hayashi. "Synthesis of Copper Spinels by Microwave Irradiation." In Processing and Properties of Advanced Ceramics and Composites VII. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119183860.ch4.

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Ovcharenko, Victor, and Elena Bagryanskaya. "Breathing Crystals from Copper Nitroxyl Complexes." In Spin-Crossover Materials. John Wiley & Sons Ltd, 2013. http://dx.doi.org/10.1002/9781118519301.ch9.

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Shubham Rajput, Shubham x., and Navneet Kaur. "SPINEL MAGNETIC COBALTITES FOR THE APPLICATIONS AS SUPERCAPACITORS." In Futuristic Trends in Physical Sciences Volume 2 Book 14. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs14p2ch3.

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Transition metal oxides (TMOs) have gained enormous heed in the last decades with their ability to deliver high capacitance. Importunity of futuristic, economical, and eco-friendly energy storage devices with more power/energy densities have increased outstanding interest in inventing new materials that boost performance to fulfill the energy requirements of modern society. Spinel Cobaltite (AB2O4), A, and B for tetrahedral and octahedral configurations of oxygen to form a closed packing of the cubic lattice. Spinel Structure of Cobaltites The physical and chemical properties of cobaltites dep
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Kumar, K. Elaya, Ayyar Manikandan, V. Sathana, et al. "Impact of the rare earth elements doping on the copper ferrite spinel magnetic nanoparticles." In Magnetic Nanoparticles and Polymer Nanocomposites. Elsevier, 2024. http://dx.doi.org/10.1016/b978-0-323-85748-2.00014-1.

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Mehak, Rajkumar P. Thummer, Lalit M. Pandey, and T. S. Srivatsan. "Engineered Iron-Oxide Based Nanomaterials for Magnetic Hyperthermia." In Advanced Materials for Emerging Applications (Innovations, Improvements, Inclusion and Impact). BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196771124010017.

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Ferrite nanomaterials are extensively studied for their use in the biomedical field primarily because of their tunable magnetic properties and biocompatibility. The use of magnetic nanomaterials, particularly the iron-based nanoparticles, for hyperthermia treatment is one of the emerging applications. However, there are practical constraints on the overall applicability of pure iron-oxide nanoparticles (IONPs) for hyperthermia treatment. In this regard, doping foreign metal ions in the crystal lattice of pure iron-oxide nanoparticles (IONPs) possessing a spinel or inversespinel structure remai
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Tomasiewicz H.G., Liu X.C., Tassone C., and Thometz J. "Development of Zebrafish as a Natural Model System for Studying Scoliosis." In Studies in Health Technology and Informatics. IOS Press, 2010. https://doi.org/10.3233/978-1-60750-573-0-257.

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Introdcution: The lack of a good animal model system for studying spinal deformities has hindered studying the etiology of scoliosis. Previously, the only animal model available for studying scoliosis was chickens exposed to copper, which caused spinal deformities. Recently, it has become clear that several fish species appear to exhibit spinal curvatures.
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John Jebarathinam, N., M. Eswaramoorthy, and V. Krishnasamy. "Hydrogenation of nitrobenzene over copper containing spinels." In Recent Advances In Basic and Applied Aspects of Industrial Catalysis, Proceedings of 13th National Symposium and Silver Jubilee Symposium of Catalysis of India. Elsevier, 1998. http://dx.doi.org/10.1016/s0167-2991(98)80393-5.

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Actas de conferencias sobre el tema "Copper Spinel"

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Vergote, O., I. Bellemans, K. Verbeken, and A. Van den Bulck. "Effect of solid particle size on the viscosity of a secondary copper smelting slag." In 12th International Conference of Molten Slags, Fluxes and Salts (MOLTEN 2024) Proceedings. Australasian Institute of Mining and Metallurgy (AusIMM), 2024. http://dx.doi.org/10.62053/zigo4105.

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Viscosity is one of the most important physicochemical properties during pyrometallurgical operations. In the sub-liquidus regime, an important factor is the presence of suspended solid particles, yet its influence is not well-described in earlier literature, despite the significance of this factor. This project aims to determine the influence of spinel particles (Zn(Al,Fe)2O4) on the rheology of a multiphase synthetic PbO-SiO2-ZnO-Fe2O3-CaO-Al2O3 slag system. Three data sets with a well-controlled methodology and three different spinel sizes (small (13 µm), medium (34 µm) and large particles
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Pavlikov, A. Y., S. V. Saikova, D. I. Nemkova, and D. V. Karpov. "THE STUDIES OF STRUCTURAL AND MAGNETIC PROPERTIES OF COPPER FERRITE NANOPARTICLES." In XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.318-327.

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Due to their high electrical resistivity and excellent magnetic properties, spinel ferrites are excellent candidates for modern technological applications. Copper ferrite nanoparticles (NPs) are used in biomedicine (drug delivery, magnetic resonance imaging, magnetic cell separation, and DNA extraction). They also have various technological applications such as energy storage devices, magnetic storage media, and spintronic and electromagnetic devices).
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R, Anjana, Vishnu Narayanan V, Raguram T, and Rajni K.S. "Influence of Metal Ions (Cu, Ni, Zn) Substituted Cobalt Ferrite Nanoparticles Synthesized by Sol-Gel Auto Combustion Method for Magnetic Application." In The Second National Conference on Emerging Materials for Sustainable Future. Asian Research Association, 2024. http://dx.doi.org/10.54392/ara24117.

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The impact of metal ion substitution on the characteristics of cobalt ferrite nanoparticles is investigated in this work. Sol-gel auto-combustion was used to insert copper (Cu), nickel (Ni), and zinc (Zn) into the spinel lattice. The goal of the study is to comprehend the effects of these substitutions (CuCoFe, NiCoFe, and ZnCoFe) on the magnetic, spectral, and structural properties of the resultant nanoparticles. For every synthetic sample, the successful development of a cubic spinel phase has been confirmed by X-ray diffraction examination. The estimated crystallographic size is roughly 25
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Sarıtaş, Sevda, Betul Cevız Sakar, Erdal Turgut, Mutlu Kundakcı, and Muhammet Yıldırım. "Copper-substituted spinel zinc ferrite and magnesium ferrite thin films grown by spray pyrolysis." In SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems. Author(s), 2018. http://dx.doi.org/10.1063/1.5078903.

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Yu, Zexin, Meimei Liu, Michel Moliere, et al. "Spinel Copper Ferrite and Zinc Ferrite Films Synthesized via Solution Precursor Plasma Spray Process for Functional Applications." In ITSC2018, edited by F. Azarmi, K. Balani, H. Li, et al. ASM International, 2018. http://dx.doi.org/10.31399/asm.cp.itsc2018p0627.

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Abstract Binary spinel-type metal oxides (AB2O4) semiconductors, including ferrites (AFe2O4), are attractive photocatalysts thanks to their excellent visible light response and good photochemical activity and stability for the photodegradation of organic pollutants. Currently, their synthesis proceeds via conventional chemical routes that follow rather tedious protocols and the final preparations consist in nano-powders, a form that is not exempt of EHS (Environment, health and safety) risks along their handling. From an industry perspective, it is desirable to dispose of an efficient and pref
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Golden, Steve, Zahra Nazarpoor, Maxime Launois, Ru-Fen Liu, and Pardha Maram. "Development of Non-Copper Advanced Spinel Mixed Metal Oxides for Zero-Precious Metal and Ultra-Low Precious Metal Next-Generation TWC." In SAE 2016 World Congress and Exhibition. SAE International, 2016. http://dx.doi.org/10.4271/2016-01-0933.

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Д.В., Абрамов,, Данилов, О.В., and Хорьков, К.С. "TURKISH CERAMICS OF THE XVI-XVII CENTURIES FROM EXCAVATIONS IN MUROM: RAMAN ANALYSIS OF GLAZES AND PIGMENTS." In Археология Владимиро-Суздальской земли. Crossref, 2021. http://dx.doi.org/10.25681/iaras.2021.978-5-94375-365-7.162-173.

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В статье представлены результаты рамановского анализа химического и структурного состава фрагментов импортного глазурованного кувшина из раскопок в Муроме. Исследованы кроющая глазурь и пигменты, использованные при его росписи. Полученные результаты позволяют объективно определить место и время изготовления находок (Изник, Турция, XVI в.). Выявлены характерные особенности такой керамики, которые могут позволить атрибутировать находки ее фрагментов на основе материалов, использованных в красках: уваровита в оливково-зеленом линейном орнаменте, силиката кобальта со структурой оливина в синем фон
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Assunção, Darah Fontes da Silva, Bruno Pissolati Mattos Gonzaga, Gabriel Chung, et al. "Subacute combined degeneration of the spinal cord in copper deficiency: case report." In XIV Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2023. http://dx.doi.org/10.5327/1516-3180.141s1.513.

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Introduction: Copper deficiency is a rare disease that can present with a wide variety of symptoms, with myelopathy as the most common neurological presentation. The clinical features are characterized by sensory ataxia, spasticity and sensory-motor neuropathy. The risk factor that has the most impact is previous gastrointestinal surgery, but a large part of cases remain without a determined cause. The aim to present a case of combined subacute medullary degeneration secondary to copper deficiency with good response to treatment by reviewing the patient’s medical record. Case report: Male, 47-
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Barros, Gabriel Santaterra, Ana Paula Ramires Chiminazzo, Maria Luiza Ricarte Ruggeri, Maria Luisa Pelaes Stipp, and Helen Maia Tavares de Andrade. "Spinal Muscular Atrophy type 4 with respiratory involvement: a case report." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.595.

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Context: The Spinal Muscular Atrophy (SMA) is a genetic disease responsible for degeneration of the motor neurons of the spinal cord and the motor nucleus of the cranial nerves. Case report: Male patient, 32 years old, 6 years ago presented proximal weakness in lower limbs and distal weakness in upper limbs with progressive worsening and episodes of dyspnea on physical exercise, without dysphagia and dysarthria. The lower limbs showed grade of power of 3/5 in the proximal muscle group and 4/5 in the distal muscle group. On the upper limbs the grade of power was 4/5 in both proximal and distal
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Yan, Guanjin, Masoud M. Pour, Teresa J. Rinker, Blair E. Carlson, and Wenda Tan. "Brief Paper: Spiral Laser Keyhole Welding of Aluminum and Copper: Composition, Microstructure and Properties." In ASME 2024 19th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/msec2024-125358.

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Abstract Laser keyhole welding of dissimilar metals has been widely used in industrial applications. One critical challenge for this process is the formation of intermetallic compounds (IMCs) that undermine the electrical and mechanical properties of the joints. Compared with the commonly used linear contours, welding with spiral contours can provide larger areas of joining and hence higher allowable loading. This can be particularly useful for certain applications. In this research, laser welding experiments with different spiral contours were performed, and the chemical composition, microstr
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Informes sobre el tema "Copper Spinel"

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Harrison, J. C., B. M. Saumur, and D. R. Skipton. Mineral and carving-stone resources of Baffin Island. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321858.

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Mineral resources of Baffin Island include iron (Mary River), diamonds, carbonate-hosted zinc and lead (Nanisivik), nickel, copper, platinum group elements, uranium, thorium, gemstones (sapphire, spinel, lapis lazuli), carving stone, and coal. Iron deposits include the Mary River No. 1 to 4 deposits of northern Baffin Island, which came into production in 2015 and contain 586 Mt grading 66% Fe. The Mesoproterozoic Borden Basin hosts the Nanisivik deposit, mined between 1976 and 2002; this is a Mississippi Valley-type deposit and contains 9.0% Zn, 0.7% Pb, and 41 ppm Ag. Diamond-rich kimberlite
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Cahill, David. Extraordinary Spin-Wave Thermal Conductivity in Low-Dimensional Copper Oxides. Defense Technical Information Center, 2015. http://dx.doi.org/10.21236/ada622603.

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Cavaille, Charlotte, Federica Liberini, Michela Redoano, et al. Which Way Now? Economic Policy after a Decade of Upheaval: A CAGE Policy Report. Edited by Vera E. Troeger. The Social Market Foundation, 2019. http://dx.doi.org/10.31273/978-1-910683-41-5.

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Most, if not all advanced economies have suffered gravely from the 2008 global financial crisis. Growth, productivity, real income and consumption have plunged and inequality, and in some cases poverty, spiked. Some countries, like Germany and Australia, were better able to cope with the consequences but austerity has taken its toll even on the strongest economies. The UK is no exception and the more recent period of economic recovery might be halted or even reversed by the political, economic, and policy uncertainty created by the Brexit referendum. This uncertainty related risk to growth cou
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