Relevant bibliographies by topics / Cerium or Tungsten

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Academic literature on the topic 'Cerium or Tungsten'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Cerium or Tungsten"

Okamoto, H. "Ce-W (cerium-tungsten)." Journal of Phase Equilibria 22, no. 6 (2001): 690. http://dx.doi.org/10.1007/s11669-001-0046-6.

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Tomić, Milena, Milena Šetka, Ondřej Chmela, et al. "Cerium Oxide-Tungsten Oxide Core-Shell Nanowire-Based Microsensors Sensitive to Acetone." Biosensors 8, no. 4 (2018): 116. http://dx.doi.org/10.3390/bios8040116.

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Gas sensitive cerium oxide-tungsten oxide core-shell nanowires are synthesized and integrated directly into micromachined platforms via aerosol assisted chemical vapor deposition. Tests to various volatile organic compounds (acetone, ethanol, and toluene) involved in early disease diagnosis demonstrate enhanced sensitivity to acetone for the core-shell structures in contrast to the non-modified materials (i.e., only tungsten oxide or cerium oxide). This is attributed to the high density of oxygen vacancy defects at the shell, as well as the formation of heterojunctions at the core-shell interf

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Li, Yan, Jian Can Yang, and Zhen Liu. "Welding Performance of Tungsten Electrodes with Different Contents of Rare Earth Oxides." Materials Science Forum 814 (March 2015): 631–35. http://dx.doi.org/10.4028/www.scientific.net/msf.814.631.

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In this paper, the influence of different contents of rare earth oxides of tungsten electrodes on the welding performance has been studied. Tungsten inert gas weld was carried out on 1060 aluminum plate, using different contents of rare earth oxides of tungsten electrodes. The content of CeO2 are 2% and 4%, the content of composite rare earth oxides (La2O3: CeO2: Y2O3 = 1:1:3) is 4%. The mechanical properties of these welded joints were investigated. The results indicated that the loss of the CeO2 content of 4% electrode weight was the maximum. The arc stability of the three kinds of tungsten

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HE, Wen, Dunqiang TAN, Yalei LI, Xin YANG, Lei LU, and Deping LU. "Effect of rare earth element cerium on preparation of tungsten powders." Journal of Rare Earths 33, no. 5 (2015): 561–66. http://dx.doi.org/10.1016/s1002-0721(14)60456-7.

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Ma, Yu-tian, Ying Zhang, Guang-Hong Lu, et al. "The effect of cerium doping on helium implantation behavior in tungsten." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 307 (July 2013): 55–59. http://dx.doi.org/10.1016/j.nimb.2012.12.080.

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Kolychev, A. V., V. A. Kernozhitskiy, and A. M. Fedorov. "Results of preliminary experimental studies of thermal electron cooling of turbomashinery converters of spacecrafts." Spacecrafts & Technologies 3, no. 4 (2019): 191–99. http://dx.doi.org/10.26732/2618-7957-2019-4-191-199.

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This article is devoted to thermionic cooling of turbomachine converters of spacecraft. Development is protected by patents for inventions and utility models. Moreover, the patent for the invention no. 2573551 is included in the list of Hundred Best Inventions of Russia of 2015. An experimental setup was developed on which primary experimental studies using a thermal imager were carried out. During thermal imaging studies, the presence of a thermal effect (cooling or heating) was recorded. The samples used were tungsten electrodes made of lanthanum tungsten with a diameter of 1 mm and a length

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Kovrizhkina, N. A., V. A. Kuznetsova, A. A. Silaeva, and V. V. Yemelyanov. "ALTERNATIVES TO CHROMATE PIGMENTS (review)." Proceedings of VIAM, no. 12 (2020): 96–107. http://dx.doi.org/10.18577/2307-6046-2020-0-12-96-107.

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The review of the researches concerning search of alternative to chromate pigments is provided. Among possible alternatives various connections are considered: cerium salts (in a mix with other non-chromate pigments), compounds of phosphorus, including organic (oxyaminophosphates and oxyethylidenediphosphonates), conductive polymers (polyaniline and polipirrol) and core pigments on their basis, compounds of transitional metals (vanadium, tungsten, molybdenum, manganese, etc.). It is shown that correctly picked up mix of pigments of inhibitive type is capable to provide the level of protective

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Hazin, Paulette N., John C. Huffman, and Joseph W. Bruno. "Preparation, luminescence studies, and solution behaviour of a cerium–tungsten heterobimetallic compound." J. Chem. Soc., Chem. Commun., no. 22 (1988): 1473–74. http://dx.doi.org/10.1039/c39880001473.

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Gilys, Laurynas, Egidijus Griškonis, Paulius Griškevičius, and Diana Adlienė. "Lead Free Multilayered Polymer Composites for Radiation Shielding." Polymers 14, no. 9 (2022): 1696. http://dx.doi.org/10.3390/polym14091696.

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Silicone-based polymer composites containing high atomic number additives are prioritized for the development of new materials for radiation shielding, due to their mechanical, thermal, electrical, and multifunctional properties. The X-ray attenuation properties, as well as mechanical properties, of the newly developed-lead-free multi-layered structures for radiation shielding, based on silicone composite layers containing tin, cerium oxide, tungsten oxide, and bismuth additives, are analyzed and discussed in this paper. It is shown that, by varying the additive concentrations in silicone comp

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Graetsch, Heribert A., Chandra Shekhar Pandey, Jürgen Schreuer, Manfred Burianek, and Manfred Mühlberg. "Incommensurate modulation of calcium barium niobate (CBN28 and Ce:CBN28)." Acta Crystallographica Section B Structural Science 68, no. 2 (2012): 101–6. http://dx.doi.org/10.1107/s0108768111054863.

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The incommensurately modulated crystal structures of Ca0.28Ba0.72Nb2O6 (CBN28) and Ce0.02Ca0.25Ba0.72Nb2O6 (Ce:CBN28) were refined in the supercentred setting X4bm(AA0,−AA0) of the 3 + 2-dimensional superspace group P4bm(aa½,−aa½). Both compounds are isostructural with a tetragonal tungsten bronze-type structure. The modulation of CBN28 consists of a wavy distribution of Ba and Ca atoms as well as vacancies on the incompletely occupied Me2 site with 15-fold oxygen coordination. The occupational modulation is coupled with a modulation of the atomic displacement parameters and a very weak modula

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Dissertations / Theses on the topic "Cerium or Tungsten"

NANDENHA, JULIO. "Desenvolvimento de novos sistemas de eletrocatalisadores nano-sispersos 20% Pt-(2%Pt-Cesub(0.9)Wsub(0.1)Osub(2))/C tolerantes ao monóxido de carbono (CO) para ânodos de PEMFC." reponame:Repositório Institucional do IPEN, 2011. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10029.

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Made available in DSpace on 2014-10-09T12:33:59Z (GMT). No. of bitstreams: 0<br>Made available in DSpace on 2014-10-09T14:00:55Z (GMT). No. of bitstreams: 0<br>Dissertação (Mestrado)<br>IPEN/D<br>Instituto de Pesquisas Energéticas e Nucleares - IPEN-CNEN/SP

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Väliheikki, A. (Ari). "Resistance of catalytic materials towards chemical impurities:the effect of sulphur and biomaterial-based compounds on the performance of DOC and SCR catalysts." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526212845.

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Abstract Exhaust gas emissions, e.g. nitrogen oxides (NOx), hydrocarbons (HCs) and carbon monoxide (CO), are harmful to human health and the environment. Catalysis is an efficient method to decrease these emissions. Unfortunately, the fuels and lubricant oils may contain chemical impurities that are also present in exhaust gases. Thus, catalytic materials with high activity and chemical resistance towards impurities are needed in the abatement of exhaust gas emission. In this thesis, the aim was to gain new knowledge about the effects of chemical impurities on the behaviour and activity of the

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Venkatachalapathy, Viswanathan. "PLASMA PROCESSING FOR RETENTION OF NANOSTRUCTURES." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4197.

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Plasma spray processing is a technique that is used extensively in thermal barrier coatings on gas and steam turbine components, biomedical implants and automotive components. Many processing parameters are involved to achieve a coating with certain functionality. The coating could be required to function as thermal barrier, wear resistant, corrosion resistant or a high temperature oxidation resistant coating. Various parameters, such as, nozzle and electrode design, powder feeding system, spray distances, substrate temperature and roughness, plasma gas flow rates and others can greatly alter

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González, Arcos Angélica Viviana. "RhPt and Ni based catalysts for fuel reforming in energy conversion." Doctoral thesis, KTH, Kemisk teknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-160026.

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Although current trends in global warming are of great concern, energy demand is still increasing, resulting in increasing pollutant emissions. To address this issue, we need reliable renewable energy sources, lowered pollutant emissions, and efficient and profitable processes for energy conversion. We also need to improve the use of the energy, produced by existing infrastructure. Consequently, the work presented in this thesis aims at investigating current scientific and technological challenges in energy conversion through biomass gasification and the alternative use of fossil fuels, such a

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Book chapters on the topic "Cerium or Tungsten"

Wang, Peng, Jiancan Yang, Tu Zhang, and Zhikun Gao. "Evolution of the Chemical Valence on the Surface of the Cerium—Tungsten Electrode." In Springer Proceedings in Energy. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0158-2_74.

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Sala, Dariusz, and Bogusław Bieda. "Role of Stochastic Approach Applied to Life Cycle Inventory (LCI) of Rare Earth Elements (REEs) from Secondary Sources Case Studies." In Towards a Sustainable Future - Life Cycle Management. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77127-0_10.

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AbstractMonte Carlo (MC) simulation using Crystal Ball® (CB) software is applied to life cycle inventory (LCI) modelling under uncertainty. Input data for all cases comes from the ENVIREE (ENVIronmentally friendly and efficient methods for extraction of Rare Earth Elements), i.e. from secondary sources eco-innovative project within the second ERA-NET ERA-MIN Joint Call Sustainable Supply of Raw Materials in Europe 2014. Case studies described the flotation tailings from the New Kankberg (Sweden) old gold mine and Covas (Portugal) old tungsten mine sent to re-processing/beneficiation for rare e

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Pardasani, R. T., and P. Pardasani. "Magnetic properties of ammonium salt of 21-tungsto-cerium-9-antimonate." In Magnetic Properties of Paramagnetic Compounds. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-45972-0_232.

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Wang, Jianqiang, Jidong Gao, Jie Ma, and Meiqing Shen. "A New Environmental Friendly Zirconium–Titanic–Ceria–Tungsten Mixed Oxides for Durable NH3-SCR deNOx Catalysts." In Lecture Notes in Electrical Engineering. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-33841-0_55.

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Schweitzer, George K., and Lester L. Pesterfield. "The Scandium Group." In The Aqueous Chemistry of the Elements. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393354.003.0014.

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The members of the Sc Group are Sc scandium, Y yttrium, La lanthanum, Ce cerium, Pr praseodymium, Nd neodymium, Pm promethium, Sm samarium, Eu europium, Gd gadolinium, Tb terbium, Dy dysprosium, Ho holmium, Er erbium, Tm thulium, Yb ytterbium, Lu lutetium, and Ac actinium. All these elements resemble each other greatly, especially in the series La–Lu (called the lanthanoids). Their slight differences may be assigned largely to size similarities, but a few oxidation state changes give rise to marked differences. The predominant oxidation state is III, but the IV state for Ce, and the II state f

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Conference papers on the topic "Cerium or Tungsten"

Maksimović, Tijana V., Ljubinka G. Joksović, Dimitrije Mara, et al. "Comparison of the luminescence properties of phosphate-tungsten bronze and cerium doped phosphate-tungsten bronze." In 2nd International Conference on Chemo and Bioinformatics. Institute for Information Technologies, University of Kragujevac, 2023. http://dx.doi.org/10.46793/iccbi23.160m.

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Phosphate-tungsten bronzes (PWBs) constantly attract a lot of attention owing to their interesting chemical, mechanical, and optical properties. Furthermore, tungsten bronzes as inert inorganic solids, exhibit interesting and useful electronic properties when rare-earth ions are incorporated into their structure. Cerium doped phosphate-tungsten bronze (Ce-PWB) is obtained in the process of phase transformations of CePW12O40×6H2O (Ce-PWA) salt. The brown crystals of Ce-PWB are formed after heating of Ce-PWA in a furnace, in a temperature range from room temperature to 650 °C. In the present pap

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Tomic, Milena, Isabel Gracia, Marc Salleras, Eduard Figueras, Carles Cane, and Stella Vallejos. "Gas Microsensors Based on Cerium Oxide Modified Tungsten Oxide Nanowires." In 2018 12th Spanish Conference on Electron Devices (CDE). IEEE, 2018. http://dx.doi.org/10.1109/cde.2018.8597067.

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Ng, S. H., C. M. Zettner, C. Zhou, et al. "Nanoparticulate and Interfacial Mechanics in Confined Geometries Typical of Chemical-Mechanical Planarization." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41964.

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Chemical-mechanical planarization (CMP), a surface preparation process used widely in integrated circuits manufacture, is currently the leading nanoscale manufacturing process worldwide, with an annual economic impact well in excess of $1 billion. Originally developed for glass polishing, CMP is used by the microelectronics industry to create silicon, silicon oxide, tungsten and copper surfaces with average roughnesses of O(10 mm). The process typically involves shearing a dilute abrasive silica or ceria nanoparticle-laden “slurry” between a compliant rough surface (the “pad”) and the surface

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