Academic literature on the topic 'Quasi-crystals'

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Journal articles on the topic "Quasi-crystals"

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Espinosa, F. Montero de, M. Torres, G. Pastor, M. A. Muriel, and A. L. Mackay. "Acoustic Quasi-Crystals." Europhysics Letters (EPL) 21, no. 9 (1993): 915–20. http://dx.doi.org/10.1209/0295-5075/21/9/007.

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Liu, Zong Min, Hai Yan Song, and Ji Ze Mao. "Quasi-Hamilton Principle of Quasi-Crystals Beam." Advanced Materials Research 197-198 (February 2011): 1540–44. http://dx.doi.org/10.4028/www.scientific.net/amr.197-198.1540.

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Quasi-crystals is not only a new structure of solids but also a new class of functional and structural materials. With the research and development of quasi-crystals, the mechanical properties of quasi-crystals get more and more attention. In the paper, quasi-Hamilton principle of quasi-crystals beam is established in non-conservative systems. And applying the quasi-Hamilton principle, all the equations of non-conservative quasi-crystals beam problem are obtained in the phonon field and the phason field respectively.
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Rajasekharan, T., R. Gopalan, and D. Akhtar. "Do Quasi-Crystals Exist?" Key Engineering Materials 13-15 (January 1987): 249–56. http://dx.doi.org/10.4028/www.scientific.net/kem.13-15.249.

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Zamani, Mehdi, Mansoureh Amanollahi, and Majid Taraz. "Octonacci magnetophotonic quasi-crystals." Optical Materials 88 (February 2019): 187–94. http://dx.doi.org/10.1016/j.optmat.2018.11.029.

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Janssen, T. "Crystallography of quasi-crystals." Acta Crystallographica Section A Foundations of Crystallography 42, no. 4 (1986): 261–71. http://dx.doi.org/10.1107/s0108767386099324.

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The symmetry of quasi-crystals, a class of materials that has recently aroused interest, is discussed. It is shown that a quasi-crystal is a special case of an incommensurate crystal phase and that it can be described by a space group in more than three dimensions. A number of relevant three-dimensional quasi-crystals is discussed, in particular dihedral and icosahedral structures. The symmetry considerations are also applied to the two-dimensional Penrose patterns.
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Nishitani, S. R., K. N. Ishihara, K. F. Kobayashi, and P. H. Shingu. "Growth of quasi-crystals." Materials Science and Engineering 99, no. 1-2 (1988): 443–47. http://dx.doi.org/10.1016/0025-5416(88)90374-6.

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Venkataraman, G. "Quasi crystals—an overview." Bulletin of Materials Science 7, no. 3-4 (1985): 179–99. http://dx.doi.org/10.1007/bf02747573.

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Kang, Song-Seng, and J. M. Dubois. "Polytypism in decagonal quasi-crystals and approximant crystals." Journal of Physics: Condensed Matter 4, no. 50 (1992): 10169–98. http://dx.doi.org/10.1088/0953-8984/4/50/008.

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Boqin Ma, Boqin Ma, Mingliang Ren Mingliang Ren, and Zhiyuan Li Zhiyuan Li. "Nonlinear photonic crystals with two-dimensional quasi-periodic and fractal superlattices." Chinese Optics Letters 10, s2 (2012): S21904–321906. http://dx.doi.org/10.3788/col201210.s21904.

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Shechtman, D. "Quasi-periodic materials – crystals redefined." Acta Crystallographica Section A Foundations of Crystallography 69, a1 (2013): s1. http://dx.doi.org/10.1107/s0108767313099984.

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Dissertations / Theses on the topic "Quasi-crystals"

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Lee, Thomas David Matthew. "Investigation of highly symmetric photonic quasi-crystals." Thesis, University of Southampton, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431807.

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Guo, Wenge. "Electroabsorption spectroscopy of quasi-one-dimensional organic molecular crystals." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2004. http://nbn-resolving.de/urn:nbn:de:swb:14-1081859716968-73452.

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We have presented a thorough experimental investigation of electroabsorption spectroscopy on quasi-one-dimensional organic molecular crystals such as PTCDA and MePTCDI vapor deposited thin films to clarify the involvement of the charge-transfer exciton in the lowest excited state. By a self-built experimental setup, two kinds of electroabsorption measurements, called "perpendicular" and "parallel" measurements, were conducted at room temperature in ambient air. The crystalline texture of PTCDA and MePTCDI thin film samples are characterized by X-ray diffract
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Canzler, Tobias W. "Ultrafast Dynamics in Quasi-One-Dimensional Organic Molecular Crystals." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2002. http://nbn-resolving.de/urn:nbn:de:swb:14-1034927431140-77403.

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Der erste Teil der Arbeit beschäftigt sich mit ultraschnellen Relaxationsprozessen in quasi-eindimensionalen organischen Molekülkristallen. Als Modellsystem wird das Perylenderivat MePTCDI untersucht. Mit verschiedenen Methoden der optischen Ultrakurzzeit-Spektroskopie werden Prozesse der Exzitonen- und Phononenrelaxation in der Zeit-Domäne untersucht. Die dafür aufgebauten Experimente erreichen eine Zeitauflösung von 20 Femtosekunden. Durch optische Anregung der niedrigsten elektronischen Übergänge werden in einem organischen Molekülkristall freie Exzitonen mit Wellenvektor k=0 gebildet. Dabe
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Guo, Wenge. "Electroabsorption spectroscopy of quasi-one-dimensional organic molecular crystals." Doctoral thesis, Technische Universität Dresden, 2003. https://tud.qucosa.de/id/qucosa%3A24328.

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We have presented a thorough experimental investigation of electroabsorption spectroscopy on quasi-one-dimensional organic molecular crystals such as PTCDA and MePTCDI vapor deposited thin films to clarify the involvement of the charge-transfer exciton in the lowest excited state. By a self-built experimental setup, two kinds of electroabsorption measurements, called "perpendicular" and "parallel" measurements, were conducted at room temperature in ambient air. The crystalline texture of PTCDA and MePTCDI thin film samples are characterized by X-ray diffract
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McBrearty, Euan James. "Fabrication of quasi phase matched GaAs crystals using a novel glass bonding technique." Thesis, University of Nottingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546605.

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Tran, Duc-Thanh. "Novel aspects of topological insulators: Quasi-crystals, Floquet-engineered states and circular dichroism." Doctoral thesis, Universite Libre de Bruxelles, 2018. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/273410.

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Cette thèse traite d'aspects originaux ayant attrait au domaine des isolants topologiques et de leurs simulations par des systèmes d'atomes ultra-froids. Tout d'abord, ce travail aborde des concepts fondamentaux tels que la notion de géométrie et de topologie dans le contexte de la mécanique quantique ainsi que les techniques de simulations d'Hamiltonien avec les atomes ultra-froids. Ensuite on présentera trois travaux originaux liés aux isolants topologiques et leurs simulations.<br>Doctorat en Sciences<br>info:eu-repo/semantics/nonPublished
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Hoffmann, Michael. "Frenkel and Charge-Transfer Excitons in Quasi-One-Dimensional Molecular Crystals with Strong Intermolecular Orbital Overlap." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2000. http://nbn-resolving.de/urn:nbn:de:swb:14-994680323218-86403.

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We present a theoretical and experimental study on the lowest electronically excited states in quasi-one-dimensional molecular crystals. The specific calculations and the experiments are performed for the model compounds MePTCDI (N-N'-dimethylperylene-3,4:9,10-dicarboximide) and TCDA(3,4:9,10-perylenetetracarboxylic dianhydride). The intermolecular interactions between nearest neighbors are quantum chemically analyzed on the basis of semi-empirical (ZINDO/S) Hartree-Fock calculations and a singly excited configuration interaction scheme. Supermolecular dimer states are projected onto a basis s
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Khademian, Ali. "Highly Efficient Single Frequency Blue Laser Generation by Second Harmonic Generation of Infrared Lasers Using Quasi Phase Matching in Periodically Poled Ferroelectric Crystals." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc799538/.

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Performance and reliability of solid state laser diodes in the IR region exceeds those in the visible and UV part of the light spectrum. Single frequency visible and UV laser diodes with higher than 500 mW power are not available commercially. However we successfully stabilized a multi-longitudinal mode IR laser to 860 mW single frequency. This means high efficiency harmonic generation using this laser can produce visible and UV laser light not available otherwise. In this study we examined three major leading nonlinear crystals: PPMgO:SLN, PPKTP and PPMgO:SLT to generate blue light by se
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Heunen, Guido Willem Jozef Christiaan. "New experimental methods for perturbation crystallography single-crystal X-ray diffraction on piezoelectric crystals in quasi-static electric fields /." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2000. http://dare.uva.nl/document/83423.

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Colle, Cleber Fernando 1985. "Propriedades dinâmicas e ergódicas de shifts multidimensionais." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/307026.

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Orientador: Eduardo Garibaldi<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Matemática, Estatística e Computação Científica<br>Made available in DSpace on 2018-08-19T00:20:51Z (GMT). No. of bitstreams: 1 Colle_CleberFernando_M.pdf: 1068657 bytes, checksum: 78c9700800b05194ffcf66838581b081 (MD5) Previous issue date: 2011<br>Resumo: Focaremos sobre aspectos dinâmicos e ergódicos de shifts multidimensionais, atentando especialmente para suas relações com estados fundamentais e quase-cristais em reticulados. Por exemplo, em mecânica estatística, dado um potencial in
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Books on the topic "Quasi-crystals"

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NATO, Advanced Research Workshop on Incommensurate Crystals Liquid Crystals and Quasi-Crystals (1986 Boulder Colo ). Incommensurate crystals, liquid crystals, and quasi-crystals. Plenum Press, 1987.

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Scott, J. F. Incommensurate Crystals, Liquid Crystals, and Quasi-Crystals. Springer US, 1988.

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Scott, J. F., and N. A. Clark, eds. Incommensurate Crystals, Liquid Crystals, and Quasi-Crystals. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-0184-5.

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NATO, Advanced Research Workshop on From Geometry to Thermodynamics (1989 Preveza Greece). Geometry and thermodynamics: Common problems of quasi-crystals, liquid crystals, and incommensurate systems. Plenum Press, 1990.

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Tolédano, J. C. Geometry and Thermodynamics: Common Problems of Quasi-Crystals, Liquid Crystals, and Incommensurate Systems. Springer US, 1991.

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Taylor, Ken. Crystals. Collins & Brown, 1999.

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Mercer, C. R. High data density temperature measurement for quasi steady-state flows. National Aeronautics and Space Administration, 1996.

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Scott, J. F. Incommensurate Crystals, Liquid Crystals, and Quasi-Crystals. Springer, 2012.

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Incommensurate Crystals, Liquid Crystals, and Quasi-Crystals (NATO Science Series: B:). Springer, 1988.

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1922-, Conwell Esther M., ed. Highly conducting quasi-one-dimensional organic crystals. Academic Press, 1988.

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Book chapters on the topic "Quasi-crystals"

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Tsai, A. P., Y. Yokoyama, A. Inoue, and T. Masumoto. "Chemistry of Stable Quasi-Crystals." In Physics and Chemistry of Finite Systems: From Clusters to Crystals. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_21.

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Lubensky, T. C. "Phasons in Quasi-Crystals and Incommensurate Liquid Crystals." In NATO ASI Series. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4757-0184-5_17.

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Glicksman, Martin E., Afina Lupulescu, and Matthew B. Koss. "Quasi-static Melting of Crystals: Experiments and Analysis." In Free Boundary Problems. Birkhäuser Basel, 2003. http://dx.doi.org/10.1007/978-3-0348-7893-7_13.

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Capasso, Rossella, M. Pannico, P. La Manna, et al. "Gold Photonic Crystals and Photonics Quasi-crystals for Reproducible Surface-Enhanced Raman Substrates." In NATO Science for Peace and Security Series B: Physics and Biophysics. Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9133-5_21.

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Arie, A., A. Bahabad, and N. Habshoosh. "Nonlinear Interactions in Periodic and Quasi-periodic Nonlinear Photonic Crystals." In Ferroelectric Crystals for Photonic Applications. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41086-4_10.

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Arie, A., A. Bahabad, and N. Habshoosh. "Nonlinear Interactions in Periodic and Quasi-Periodic Nonlinear Photonic Crystals." In Ferroelectric Crystals for Photonic Applications. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-77965-0_10.

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Ueta, Masayasu, Hiroshi Kanzaki, Koichi Kobayashi, Yutaka Toyozawa, and Eiichi Hanamura. "Excitons and Phonon Couplings in Quasi-One-Dimensional Crystals." In Excitonic Processes in Solids. Springer Berlin Heidelberg, 1986. http://dx.doi.org/10.1007/978-3-642-82602-3_9.

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Guyot, P., M. Audier, and M. Boissieu. "Structure of Quasi Crystals in Terms of Atomic Clusters." In Physics and Chemistry of Finite Systems: From Clusters to Crystals. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-017-2645-0_5.

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Sanduleac, Ionel, and Anatolie Casian. "High Thermoelectric Properties in Quasi-One-Dimensional Organic Crystals." In Thin Film and Flexible Thermoelectric Generators, Devices and Sensors. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45862-1_11.

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Shamsuzzoha, M. "Geometrical Construction of (Σ/ Σn)m±1- 90° Twist Quasi-Periodic Bi-Crystals and Their Quasi-Periodic Grain Boundaries in Cubic Crystals." In TMS2013 Supplemental Proceedings. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118663547.ch91.

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Conference papers on the topic "Quasi-crystals"

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Gauthier, Robert C. "Perfect periodic photonic quasi-crystals." In Integrated Optoelectronic Devices 2008, edited by Ali Adibi, Shawn-Yu Lin, and Axel Scherer. SPIE, 2008. http://dx.doi.org/10.1117/12.769067.

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Freedman, Barak, Guy Bartal, Mordechai Segev, Demetrios N. Christodoulides, and Jason W. Fleischer. "Optical Quasi Crystals – Properties and Dynamics." In Nonlinear Guided Waves and Their Applications. OSA, 2005. http://dx.doi.org/10.1364/nlgw.2005.thd4.

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Rodgers, J. Scott. "Quasi-3D photonic crystals for nanophotonics." In Integrated Optoelectronic Devices 2005, edited by Manijeh Razeghi and Gail J. Brown. SPIE, 2005. http://dx.doi.org/10.1117/12.583343.

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Antoine, Jean-Pierre, Laurent Jacques, and Pierre Vandergheynst. "Penrose tilings, quasi-crystals, and wavelets." In SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, edited by Michael A. Unser, Akram Aldroubi, and Andrew F. Laine. SPIE, 1999. http://dx.doi.org/10.1117/12.366795.

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Shukla, Mukesh Kumar, Partha Sona Maji, and Ritwick Das. "Tamm plasmon polaritons in photonic quasi-crystals." In 2017 Conference on Lasers and Electro-Optics Pacific Rim (CLEO-PR). IEEE, 2017. http://dx.doi.org/10.1109/cleopr.2017.8119068.

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Ajith, P. R., V. J. Yallapragada, Sachin Kasture, Arvind Nagarajan, and Achanta Venu Gopal. "Second Harmonic Generation using Plasmonic Quasi Crystals." In International Conference on Fibre Optics and Photonics. OSA, 2014. http://dx.doi.org/10.1364/photonics.2014.m2d.6.

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Arie, Ady. "Periodic and quasi-periodic nonlinear photonic crystals." In SPIE Proceedings, edited by Peter A. Atanasov, Tanja N. Dreischuh, Sanka V. Gateva, and Lubomir M. Kovachev. SPIE, 2007. http://dx.doi.org/10.1117/12.726975.

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Marino, A., G. Abbate, V. Tkachenko, I. Rea, L. De Stefano, and M. Giocondo. "Thue-Morse quasi-crystals made of porous silicon." In Frontiers in Optics. OSA, 2007. http://dx.doi.org/10.1364/fio.2007.fmi4.

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Gailevicius, Darius, Vytautas Purlys, Roaldas Gadonas, and Kestutis Staliunas. "Spatial filtering under demand with photonic quasi-crystals." In 2017 Conference on Lasers and Electro-Optics Europe (CLEO/Europe) & European Quantum Electronics Conference (EQEC). IEEE, 2017. http://dx.doi.org/10.1109/cleoe-eqec.2017.8087165.

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Khokhar, Ali Z., Douglas S. Macintyre, Faiz Rahman, et al. "Patterning of photonic quasi-crystals on GaN LEDs." In 2009 IEEE/LEOS Winter Topicals Meeting Series (WTM 2009). IEEE, 2009. http://dx.doi.org/10.1109/leoswt.2009.4771652.

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Reports on the topic "Quasi-crystals"

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Henley, Christopher L. The Geometry Of Disorder: Theoretical Investigations Of Quasicrystals And Frustrated Magnets: Quasi-Crystals And Quasi-Equivalence: Symmetries And Energies In Alloys And Biological Materials. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1209945.

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