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Статті в журналах з теми "Copper and silver cation exchange"
Zhang, Xiaoxia, Zhenlan Xu, Andreas Wimmer, Hangjun Zhang, Jiaojiao Wang, Qibei Bao, Zhouhang Gu, Mei Zhu, Lixi Zeng, and Lingxiangyu Li. "Mechanism for sulfidation of silver nanoparticles by copper sulfide in water under aerobic conditions." Environmental Science: Nano 5, no. 12 (2018): 2819–29. http://dx.doi.org/10.1039/c8en00651b.
Повний текст джерелаChen, Nan, Michael R. Scimeca, Shlok J. Paul, Shihab B. Hafiz, Ze Yang, Xiangyu Liu, Fan Yang, Dong-Kyun Ko, and Ayaskanta Sahu. "High-performance thermoelectric silver selenide thin films cation exchanged from a copper selenide template." Nanoscale Advances 2, no. 1 (2020): 368–76. http://dx.doi.org/10.1039/c9na00605b.
Повний текст джерелаPrieto-Blanco, Xesús, and Carlos Montero-Orille. "Theoretical Modelling of Ion Exchange Processes in Glass: Advances and Challenges." Applied Sciences 11, no. 11 (May 30, 2021): 5070. http://dx.doi.org/10.3390/app11115070.
Повний текст джерелаConcepcion-Rosabal, Beatriz, Arbelio Penton-Madrigal, Inocente Rodriguez-Iznaga, Ernesto Estevez-Rams, and Vitalii Petranovskii. "Reduction of Cu2+in exchanged Ag+natural clinoptilolite: structural study." Acta Crystallographica Section A Foundations and Advances 70, a1 (August 5, 2014): C1765. http://dx.doi.org/10.1107/s2053273314082345.
Повний текст джерелаKaali, Péter, and György Czél. "Single, Binary and Ternary Ion Exchanged Zeolite as an Effective Bioactive Filler for Biomedical Polymer Composites." Materials Science Forum 729 (November 2012): 234–39. http://dx.doi.org/10.4028/www.scientific.net/msf.729.234.
Повний текст джерелаSayee Kannan, R., S. Siva, K. Kavitha, and N. Kannan. "Phenol and Formaldehyde Cationic Resin Blended with Sulphonated Aegle Marmelos Charcoal." Materials Science Forum 699 (September 2011): 281–91. http://dx.doi.org/10.4028/www.scientific.net/msf.699.281.
Повний текст джерелаNoori, Farzaneh, Meriem Megoura, Marc-André Labelle, Mircea Alexandru Mateescu, and Abdelkrim Azzouz. "Synthesis of Metal-Loaded Carboxylated Biopolymers with Antibacterial Activity through Metal Subnanoparticle Incorporation." Antibiotics 11, no. 4 (March 24, 2022): 439. http://dx.doi.org/10.3390/antibiotics11040439.
Повний текст джерелаWANG, Xiu, Pingyue HU, Zhipeng WANG, Qiuyun LIU, Ting XU, Mengqian KOU, Ke HUANG, and Piaopiao CHEN. "A Fluorescence Strategy for Silver Ion Assay via Cation Exchange Reaction and Formation of Poly(thymine)-templated Copper Nanoclusters." Analytical Sciences 35, no. 8 (August 10, 2019): 917–22. http://dx.doi.org/10.2116/analsci.19p036.
Повний текст джерелаDas, Malay Kanti, S. Chattopadhayay, B. R. Sarkar, and N. Ramamoorthy. "A cation exchange method for separation of 111In from inactive silver, copper, traces of iron and radioactive gallium and zinc isotopes." Applied Radiation and Isotopes 48, no. 1 (January 1997): 11–14. http://dx.doi.org/10.1016/s0969-8043(96)00123-6.
Повний текст джерелаBanakh, O. S., R. I. Baranskyi, V. J. Rogovyk, and I. M. Zybak. "Modified Zeolites in Gas Chromatography for the Analysis of Air Pollutants." Adsorption Science & Technology 14, no. 4 (August 1996): 209–16. http://dx.doi.org/10.1177/026361749601400401.
Повний текст джерелаДисертації з теми "Copper and silver cation exchange"
Esplugas, Ricardo Oliveira. "Density functional theory and time-dependent density functional theory studies of copper and silver cation complexes." Thesis, University of Sussex, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496931.
Повний текст джерелаLox, Josephine F. L., Zhiya Dang, Volodymyr Dzhagan, Daniel Spittel, Beatriz Martín-García, Iwan Moreels, Dietrich R. T. Zahn, and Vladimir Lesnyak. "Near-Infrared Cu-In-Se-Based Colloidal Nanocrystals via Cation Exchange." ACS Publications, 2019. https://tud.qucosa.de/id/qucosa%3A36557.
Повний текст джерелаAy, Hale. "Single And Multicomponent Ion Exchange Of Silver, Zinc And Copper On Zeolite 4a." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/2/12609882/index.pdf.
Повний текст джерелаC and 0.1 N. Binary ion exchange isotherms indicate that zeolite 4A has high selectivity for silver, zinc and copper with respect to sodium. All exchange isotherms lie above the diagonal over the whole range. Using the equilibrium data, the thermodynamic analysis of the binary systems were carried out. The thermodynamic equilibrium constants and the standard free energies of exchange were calculated as 340.9 and -14.5 kJ/mol for silver-sodium system, 40.5 and -4.6 kJ/mol for zinc-sodium system, and 161.2 and -6.3 kJ/mol for copper-sodium system, respectively. From these values, selectivity sequence of zeolite 4A was determined as Ag+ >
Cu2+ >
Zn2+. This selectivity sequence was also verified by the results of ternary ion exchange experiments. The experimental data were compared with the Langmuir and Freundlich isotherms. While Freundlich model gives a better correlation for Ag+-Na+ and Zn2+-Na+ exchange, Langmuir model represents a better fit to the experimental data of Cu2+-Na+ exchange.
Atluri, Vasudeva Prasad 1959. "Recovery of gold and silver from ammoniacal thiosulfate solutions containing copper by resin ion exchange method." Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/276566.
Повний текст джерелаISIDORO, ROBERTA A. "Desenvolvimento de eletrocatalisadores de PdM (M= Ni, Cu, Ag) para reação de redução de oxigênio em meio básico na ausência e presença de álcool." reponame:Repositório Institucional do IPEN, 2015. http://repositorio.ipen.br:8080/xmlui/handle/123456789/26388.
Повний текст джерелаMade available in DSpace on 2016-06-22T13:42:56Z (GMT). No. of bitstreams: 0
Tese (Doutorado em Tecnologia Nuclear)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
Amara, Mustapha. "Modelisation de catalyseurs de methanolation a base de cu et de zn supportes sur oxydes." Paris 6, 1987. http://www.theses.fr/1987PA066236.
Повний текст джерелаAcapito, Francesco d'. "Étude structurale de verres silicates dopés au cuivre et à l'argent." Université Joseph Fourier (Grenoble ; 1971-2015), 1997. http://www.theses.fr/1997GRE10105.
Повний текст джерелаShan, Tan Chih, and 譚至善. "Cation Exchange Behavior, Facet-Dependent Effect and Transition States in Crystallization of Nanoscale Copper Compounds." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/13159116077909534268.
Повний текст джерела國立清華大學
材料科學工程學系
103
Due to the timely confluence of basic sciences, chemistry, physics, and biology as well as development of powerful new tools, nanotechnology has been advancing at a dazzling speed in recent years. The new breakthrough is matters will change their ordinary properties into new and undiscovered properties in nanoscale or atomic scale. In such a small scale, materials will be totally different with any matters which we have ever experienced before. Thanks to the instrumental development, we can observe materials in atomic scale via high resolution electron microscope and to explain the unexpected phenomenon. Nanotechnology becomes a connecting path to break down the barriers among the traditional physics, chemistry, and biology research fields. The present research is focused on three parts: fabrication of Ag2S-Cu2S superlattice p-n heterojunction by cation exchange, dynamic observation of crystallization of CuCl2 and cation exchange, and the facet-dependent I-V behaviors on a single Cu2O nanoparticle. Fabrication of superlattice nanowires (NWs) with precisely controlled segments normally requires a sequential introduction of reagents to the growing wires at elevated temperatures and low pressure. Here we demonstrate a new approach to fabricating superlattice NWs possessing multiple p-n heterojunctions by converting the initially-formed CdS to Cu2S NWs first and then to segmented Cu2S–Ag2S NWs through the sequential cation exchange at low temperatures. In the formation of Cu2S NWs, twin boundaries generated along the NWs act as the preferred sites to initiate the nucleation and growth of Ag2S segments. Varying the immersion time of Cu2S NWs in a AgNO3 solution controls the Ag2S segment length. Adjacent Cu2S and Ag2S segments in a NW were found to display the typical electrical behavior of a p-n junction. For chemical reactions in liquid state, such as catalysis, understanding of dynamical changes is conducive to practical applications. Solvation of copper salts in aqueous solution has implications for life, the environment, and industry. In an ongoing research, the question arises that why the color of the aqueous CuCl2 solution changes with solution concentration? In this work, we have developed a convenient and efficient in situ surface enhanced Raman scattering technique to probe the presence of many intermediates, some of them are responsible for the color change, in crystallization of aqueous copper chloride solution. The versatility of the novel technique was confirmed in the identification of five intermediate states in the transition from CdS to MoS2 nanowires in solution. The facile in situ method is expected to be widely applicable in probing intermediate states in a variety of chemical reactions in solution. It is of interest to examine facet-dependent electrical properties of single Cu2O crystals, since such study greatly advances our understanding of various facet effects exhibited by semiconductors. We show a Cu2O octahedron is highly conductive, a cube is moderately conductive, and a rhombic dodecahedron is non-conductive. The conductivity differences are ascribed to the presence of a thin surface layer having different degrees of band bending. When electrical connection was made on two different facets of a rhombicuboctahedron, a diode-like response was obtained, demonstrating the potential of using single polyhedral nanocrystals as functional electronic components. Density of state (DOS) plots for three layers of Cu2O (111), (100), and (110) planes show respective metallic, semimetal, and semiconducting band structures. By examining DOS plots for varying number of planes, the surface layer thicknesses responsible for the facet-dependent electrical properties of Cu2O crystals have been determined to be below 1.5 nm for these facets.
Lee, Myung Jae. "Adsorption of Alkaline Copper Quat Components in Wood-mechanisms and Influencing Factors." Thesis, 2011. http://hdl.handle.net/1807/29788.
Повний текст джерелаTsai, Ming-wei, and 蔡明偉. "Studies on electroconvection control of electrodialysis to treat copper wastewater and transfer characteristics of cation exchange membrane by different physico-chemical factors." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/81214088369668819106.
Повний текст джерела朝陽科技大學
環境工程與管理系碩士班
96
This research works on utilizing an electrochemical analyzer to determine ionic transport characteristics of the cationic exchange membrane and evaluating the feasibility of treating copper wastewater by the electrodialysis system under electroconvection control. Results based on different copper concentration exhibit that the occurrence time of limiting current density is irrelevant to the copper concentration and there is a proportional relationship between limiting current density and the copper concentration. This illustrates that the concentration diffusion effect is the major limiting factor of the ionic transport under the ohmic application. For the electroconvection region, the initial voltage of electroconvection region will decrease with increasing the copper concentration, which is consistent with Nernst equation. For testing pH effect, the acid condition aids to enhance the ionic transport rate under both ohmic and electroconvection control. That means the H+ ions will influence the transport rate of copper ions significantly. For testing the effect of different anions, the magnitude order of the limiting current density is nitrate, chloride, and sulfate under ohmic control. There may have certain correlation between the ionic transport characteristics and the anionic species, which needs more investigations. However, the above order can not be followed under the electroconvection control. After treating copper wastewater for 60 minutes by the electrodialysis system under electroconvection control, the pH value of dense compartment and dilute compartment is around 2. This acidification results form the water hydrolysis reactions. It is also observed that some hydroxide scaling attach on the surface membrane, which may be caused by the occurrence of OH- on the membrane surface. In addition, copper ions still can penetrate through the cationic exchange membrane under the saturated condition, which implies the decreasing removal efficiency induced by other reasons. In comparison with the new and used membranes by energy diffused spectrometer (EDS) and X-Ray diffract meter (XRD), we can find that the crystal of copper hydroxide produced on the used anionic exchange membrane in the dense compartment. By Fourier transform infrared spectroscopy (FTIR), there are no significant changes between new and used membranes.
Книги з теми "Copper and silver cation exchange"
Uwe, Landau, and Kuhn Anselm T, eds. The bactericidal and oligodynamic action of silver and copper in hygiene, medicine, and water treatment. Stevenage: Finishing Publications, 2007.
Знайти повний текст джерелаHigham, Charles F. W., and Nam C. Kim, eds. The Oxford Handbook of Early Southeast Asia. Oxford University Press, 2022. http://dx.doi.org/10.1093/oxfordhb/9780199355358.001.0001.
Повний текст джерелаЧастини книг з теми "Copper and silver cation exchange"
Stortini, Roberto. "Purification of Effluents of Acid Copper and Nickel Plating Galvanic Processes with Conventional Cation Exchange Resins. Copper and Nickel Recovery." In Fundamentals and Applications of Ion Exchange, 34–40. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5161-7_5.
Повний текст джерелаBarros, K. S., Jorge Alberto Soares Tenório, and Denise Crocce Romano Espinosa. "Chronopotentiometry Applied to the Determination of Copper Transport Properties Through a Cation-Exchange Membrane." In The Minerals, Metals & Materials Series, 473–81. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52192-3_46.
Повний текст джерелаKarakus, Selcan, Ezgi Tan, Merve Ilgar, Ismail Sıtkı Basdemir, and Ayben Kilislioglu. "Comparative Antibacterial Effects of a Novel Copper and Silver- Based Core/Shell Nanostructure by Sonochemical Method." In New Trends in Ion Exchange Studies. InTech, 2018. http://dx.doi.org/10.5772/intechopen.81588.
Повний текст джерелаWuensch, Bernhardt J. "Silver and Copper Fast-Ion Conductors with Simple Anion Packings: Cation Distributions, Bonding, and Transport Behavior." In Solid State Ionics, 291–313. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89354-3.50043-x.
Повний текст джерелаKourim, Aicha, Moulay Abderrahmane Malouki, and Aicha Ziouche. "Thermodynamic and Kinetic Behaviors of Copper (II) and Methyl Orange (MO) Adsorption on Unmodified and Modified Kaolinite Clay." In Clay and Clay Minerals [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98625.
Повний текст джерелаGalbraith, John Kenneth, and James K. Galbraith. "Of Coins and Treasure." In Money. Princeton University Press, 2017. http://dx.doi.org/10.23943/princeton/9780691171661.003.0002.
Повний текст джерела"4 The ‘Doit Infestation in Java’: Exchange Rates between Silver and Copper Coins in Netherlands India in the Period 1816–1854." In Money in Asia (1200 – 1900): Small Currencies in Social and Political Contexts, 108–39. BRILL, 2015. http://dx.doi.org/10.1163/9789004288355_006.
Повний текст джерелаLehner, Joseph W. "Metal Technology, Organization, and the Evolution of Long-Distance Trade at Kültepe." In Current Research at Kultepe-Kanesh, 135–55. Lockwood Press, 2013. http://dx.doi.org/10.5913/2014192.ch09.
Повний текст джерелаPodany, Amanda H. "Royal Couples, Divine Couples, and Envoys." In Weavers, Scribes, and Kings, 112–40. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780190059040.003.0005.
Повний текст джерелаSchweitzer, George K., and Lester L. Pesterfield. "The Cu Group." In The Aqueous Chemistry of the Elements. Oxford University Press, 2010. http://dx.doi.org/10.1093/oso/9780195393354.003.0018.
Повний текст джерелаТези доповідей конференцій з теми "Copper and silver cation exchange"
Aeshala, L. M., S. U. Rahman, and A. Verma. "Development of a Reactor for Continuous Electrochemical Reduction of CO2 Using Solid Electrolyte." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54755.
Повний текст джерелаDies, J., F. Tarrasa, L. Miralles, C. De las Cuevas, and J. J. Pueyo. "Heating-Irradiation Experiments to Assess the System Bentonite-Carbon Steel in a Radioactive Waste Underground Storage Facility." In ASME 2001 8th International Conference on Radioactive Waste Management and Environmental Remediation. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/icem2001-1238.
Повний текст джерела