Relevant bibliographies by topics / AlCr layer

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'AlCr layer'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "AlCr layer"

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Almeida, Amélia, Patrícia Almeida Carvalho, and Rui Vilar. "Laser Developed Al-Cr Surface Alloys: Microstructure, Mechanical and Wear Behaviour." Materials Science Forum 514-516 (May 2006): 490–94. http://dx.doi.org/10.4028/www.scientific.net/msf.514-516.490.

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Surface alloys with composition ranging from 10 to 20% Cr were produced by laser surface alloying. Their microstructure consists of faceted plate-like Al4Cr intermetallic compound particles dispersed in a matrix of α-Al solid solution. During remelting, heterogeneous nucleation of eutectic Al7Cr/α-Al occurred in the undercooled liquid ahead of the columnar solid-liquid interface, followed by equiaxial solidification, resulting in a microstructure formed of equiaxed cells. Al-Cr alloys present Young’s modulus and hardness values that increase with increasing volume fraction of intermetallic com
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Yang, Rong, Bin Tang, and Tao Gao. "Ab initio study on the electronic states and laser cooling of AlCl and AlBr." Chinese Physics B 25, no. 4 (2016): 043101. http://dx.doi.org/10.1088/1674-1056/25/4/043101.

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Elbing, Brian R., Simo Mäkiharju, Andrew Wiggins, Marc Perlin, David R. Dowling, and Steven L. Ceccio. "On the scaling of air layer drag reduction." Journal of Fluid Mechanics 717 (February 1, 2013): 484–513. http://dx.doi.org/10.1017/jfm.2012.588.

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AbstractAir-induced drag reduction was investigated on a 12.9 m long flat plate test model at a free stream speed of $6. 3~\mathrm{m} ~{\mathrm{s} }^{- 1} $. Measurements of the local skin friction, phase velocity profiles (liquid and gas) and void fraction profiles were acquired at downstream distances to 11.5 m, which yielded downstream-distance-based Reynolds numbers above 80 million. Air was injected within the boundary layer behind a 13 mm backward facing step (BFS) while the incoming boundary layer was perturbed with vortex generators in various configurations immediately upstream of the
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Lu, Yang, Jianxin Deng, Wenlong Song, Xuemu Li, Liangliang Zhang, and Jie Sun. "Tribological performance of AlCrN–MoS2/PTFE hard-lubricant composite coatings." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, no. 9 (2019): 1355–67. http://dx.doi.org/10.1177/1350650119878564.

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In order to improve the tribological performance of the physical vapor-deposited AlCrN coatings, molybdenum disulfide (MoS2)/poly tetra fluoroethylene (PTFE) coatings were fabricated on the AlCrN coatings surface through the thermal spraying method. The microstructure, adhesive strength, hardness, and tribological properties were investigated. Reciprocating sliding tests against SiC ball were executed with a ball-on-plate tribometer. Results showed that the adhesive strength between the AlCrN–MoS2/PTFE composite coatings and substrate was increased by about 15% compared with single AlCrN coati
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Lukaszkowicz, Krzysztof, Jozef Sondor, Agnieszka Paradecka, et al. "Structure and Tribological Properties of AlCrN + CrCN Coating." Coatings 10, no. 11 (2020): 1084. http://dx.doi.org/10.3390/coatings10111084.

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The paper presents results of the investigation of the AlCrN and AlCrN + CrCN coatings, deposited by arc evaporation method on the austenitic steel substrate. Topography studies performed with the use of AFM showed that the roughness value was 24 nm for AlCrN and 14 nm for CrCN. Chemical analysis carried out with energy dispersive X-rays spectroscopy confirmed the chemical composition of the coatings. Transmission electron microscopy (TEM) investigations showed a column structure of AlCrN and CrCN layers with a width in the range of 10–200 nm. Tribological properties analyzed using a scratch t
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Kuma, Peter, Adrian J. McDonald, Olaf Morgenstern, Richard Querel, Israel Silber, and Connor J. Flynn. "Ground-based lidar processing and simulator framework for comparing models and observations (ALCF 1.0)." Geoscientific Model Development 14, no. 1 (2021): 43–72. http://dx.doi.org/10.5194/gmd-14-43-2021.

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Abstract. Automatic lidars and ceilometers (ALCs) provide valuable information on cloud and aerosols but have not been systematically used in the evaluation of general circulation models (GCMs) and numerical weather prediction (NWP) models. Obstacles associated with the diversity of instruments, a lack of standardisation of data products and open processing tools mean that the value of large ALC networks worldwide is not being realised. We discuss a tool, called the Automatic Lidar and Ceilometer Framework (ALCF), that overcomes these problems and also includes a ground-based lidar simulator,
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Ahmad, Farooq, Lin Zhang, Jun Zheng, Iram Sidra, and Shihong Zhang. "Characterization of AlCrN and AlCrON Coatings Deposited on Plasma Nitrided AISI H13 Steels Using Ion-Source-Enhanced Arc Ion Plating." Coatings 10, no. 4 (2020): 306. http://dx.doi.org/10.3390/coatings10040306.

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The AlCrN and AlCrON coatings were deposited on plasma nitrided H13 steels through ion-source-enhanced arc ion plating, and their structures, mechanical properties, thermal stabilities, and tribological properties were investigated. Structural analysis showed that the monolayer AlCrN and AlCrON bilayered coatings were mainly composed of fcc-AlCrN and fcc-AlCrON solid solution phases respectively. Upon the addition of thin AlCrON layer, the hardness of AlCrN/AlCrON coating slightly decreased from about 30.5 GPa to 28.6 GPa, and the thermal stability was improved after annealing at 700 °C. Both
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Michalak, Michał, Remigiusz Michalczewski, Edyta Osuch-Słomka, Demófilo Maldonado-Cortés, and Marian Szczerek. "The Effect of Temperature on Wear Mechanism of the AlCrN Coated Components." Key Engineering Materials 674 (January 2016): 233–38. http://dx.doi.org/10.4028/www.scientific.net/kem.674.233.

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The aim of the paper was to investigate the temperature effect on the wear mechanism of AlCrN coated components. The coating was deposited by Physical Vapour Deposition process (PVD) on WC/Co substrate. Tribological tests were performed in sliding conditions using high temperature T‑21 tribotester, produced by ITeE-PIB Radom. The tests were performed in a ball-on-disc configuration (Si3N4 ceramic ball), under dry friction conditions at room temperature, 600°C and 750°C. An optical microscope, interferometer, and scanning electron microscope were used to analyse the worn surfaces. Following thi
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Peifer, Bradley C., Christopher Callahan-Dudley, and Simo A. Makiharju. "Air Layer on Superhydrophobic Surface for Frictional Drag Reduction." Journal of Ship Research 64, no. 02 (2020): 118–26. http://dx.doi.org/10.5957/jsr.2020.64.2.118.

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We examined the feasibility of combining a superhydrophobic surface (SHS) and air layer drag reduction (ALDR) to achieve the frictional drag reduction (DR) shown achievable with traditional ALDR, but at a reduced gas flux to increase the achievable net energy savings. The effect of a commercial SHS coating on the gas flux required to maintain a stable air layer (AL) for DR was investigated and compared with that of a painted non-SHS at Reynolds numbers up to 5.1 X 106. Quantitative electrical impedance measurements and more qualitative image analysis were used to characterize surface coverage
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Tomkins, A. R., D. J. Wilson, C. Thomson, et al. "Emergence of apple leafcurling midge (Dasineura mali) and its parasitoid (Platygaster demades)." New Zealand Plant Protection 53 (August 1, 2000): 179–84. http://dx.doi.org/10.30843/nzpp.2000.53.3631.

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Apple leafcurling midge (Dasineura mali) (ALCM) can seriously damage apple tree leaves Insecticides may be applied to the soil in spring to kill ALCM emerging from overwintering sites ALCM emergence was studied in the Waikato Hawkes Bay Nelson Canterbury and Central Otago over two seasons (1998/99 and 1999/ 2000) using cages placed over the soil beneath apple trees ALCM and its egg parasitoid (Platygaster demades) emerged over a similar period of time Emergence in southern districts began later and over a shorter period A single soil treatment with diazinon reduced the numbers of ALCM emerging
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Dissertations / Theses on the topic "AlCr layer"

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Šulák, Ivo. "Účinek AlCr vrstvy na únavové vlastnosti niklové superslitiny IN 713LC za teploty 800 °C." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230927.

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The present diploma thesis is focused on the effect of AlCr layer on the low cycle fatigue behaviour of cast polycrystalline superalloy IN713LC at 800°C. Protective layer is made by chemical vapour deposition followed by heat treatment. Fatigue tests were conducted in strain control mode with constant total strain amplitude and strain rate. The fatigue behaviour is assessed by cyclic hardening/softening curves, cyclic stress-strain curves, Manson-Coffin curves and Basquin curves. Microstructure was observed in as-received state and also after cyclic loading by means of optical microscopy and S
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Bansen, Roman. "Solution growth of polycrystalline silicon on glass using tin and indium as solvents." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät, 2016. http://dx.doi.org/10.18452/17557.

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Mit der vorliegenden Arbeit wird das Wachstum von polykristallinem Silicium auf Glas bei niedrigen Temperaturen aus metallischen Lösungen in einem Zweistufenprozess untersucht. Im ersten Prozessschritt werden nanokristalline Siliziumschichten (nc-Si) hergestellt, entweder durch die direkte Abscheidung auf geheizten Substraten oder durch als ''Amorphous-Liquid-Crystalline''(ALC)-Umwandlung bezeichnete metall-induzierte Kristallisation. Im zweiten Prozessschritt dienen die Saatschichten als Vorlage für das Wachstum von deutlich größeren Kristalliten durch stationäre Lösungszüchtung. Die ALC-Pr
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Garabedian, Charles. "Influence de la texturation de surface sur la biocompatibilité des implants mammaires : approches amont et clinique." Thesis, Valenciennes, Université Polytechnique Hauts-de-France, 2019. http://www.theses.fr/2019UPHF0007.

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La première structuration de surface d’implants mammaires approuvée par l’agence sanitaire américaine Food and Drug Administration (FDA) est la texturation Biocell de l’Américain Allergan en 1987. La plupart des fabricants d’implants mammaires ont ensuite adopté des procédés permettant d’obtenir des texturations similaires pour la plupart. Un rapport de l’Agence Nationale de Sécurité du Médicament et des produits de santé (ANSM) a estimé que 85% des implants vendus en France entre 2007 et 2016 étaient texturés. En 2011, la FDA alerte sur une possible association entre les implants mammaires et
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Book chapters on the topic "AlCr layer"

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Bertrand, B., Ph Eloy, and M. Remacle. "CO2 Laser Microsurgery in Choanal Atresia — How to Protect the Alar Skin from Burning?" In LASER Optoelectronics in Medicine. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-72870-9_106.

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Christen, Dines. "Dissociation Energy of AlAr X 2Πi Aluminum-Argon Dimer." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_4.

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Christen, Dines. "Molecular Constants of AlKr X2Π1/2 Aluminum-Krypton Dimer." In Molecular Constants Mostly from Microwave, Molecular Beam, and Sub-Doppler Laser Spectroscopy. Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49199-7_5.

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Craig, A. D. (Bud). "Interoception and Homeostasis." In How Do You Feel? Princeton University Press, 2014. http://dx.doi.org/10.23943/princeton/9780691156767.003.0004.

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This chapter examines the regions in the brainstem where the ascending lamina I axons terminate. These projection targets are all involved in homeostasis, and thus, these terminations confirm that lamina I projections serve as the central homeostatic pathway that conveys sensory input from the sympathetically innervated tissues of the body. In the lower brainstem or medulla, in fact, lamina I terminations occur precisely in the visceral sensorimotor layer defined by classical neuroanatomists at the junction of the developmental alar and basal plates. Terminations occur in regions that relay homeostatic sensory activity to higher centers as well as in regions that send descending controls to spinal autonomic regions. Homeostatic sensory inputs from parasympathetically innervated tissues that relay in the solitary nucleus also terminate in the same brainstem sites. Comparative evidence indicates that these projections are present in all mammals.
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Conference papers on the topic "AlCr layer"

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Delahaye, B., H. Fray, J. P. Brun, et al. "Highly Resistive AlN Formation in TiN / AlCu / TiN Stack Evidenced by EELS TEM and XPS." In ISTFA 2010. ASM International, 2010. http://dx.doi.org/10.31399/asm.cp.istfa2010p0304.

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Abstract Electrical resistance of M1/M3 stack for Aluminium based technology showed anomalous values when no Ti is inserted between AlCu and cap TiN. Process investigations lead to suspect formation of AlN layer at this interface. Blanket wafers were processed at different temperatures to reproduce the layer formation and characterize the film by numerous techniques including XPS and EELS-TEM profiling. Full use of the different results shows the formation of a very thin (a few nms) and highly resistive AlN layer at the cap TiN / AlCu interface as well as a thicker but less resistive AlN layer
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Nguyen, Dinh, Vadim Voznyuk, Mohammad Sayem Bin Abdullah, Dave Kim, and Patrick Y. Kwon. "Tool Wear of Superhard Ceramic Coated Tools in Drilling of CFRP/Ti Stacks." In ASME 2019 14th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/msec2019-2843.

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Abstract This paper aims to investigate the effectiveness of several superhard ceramic coatings on carbide drills when drilling carbon fiber reinforced plastics (CFRP) composite/Ti-6Al-4V alloy (titanium or Ti) stacks. The drilling experiments of CFRP/Ti stack are conducted with diamond-like coating (DLC) coated, alternating layers of the nanocomposite of AlCrN & Si3N4 and TiN or (AlCrSi/Ti)N coated, and uncoated tungsten carbide drills. Tool wear evolution of each drill is measured qualitatively as well as quantitatively using the scanning electron and confocal laser scanning microscopes
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Hagan, Nathan T., and Jack Oczeretko. "Air Layer Drag Reduction Applied to Flat-Plate Resistance Testing." In SNAME Maritime Convention. SNAME, 2012. http://dx.doi.org/10.5957/smc-2012-s1.

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Throughout the history of naval architecture the idea of reducing frictional resistance has been the focus of extensive theoretical and experimental research. One potential method for reducing drag is the use of air on the underside of a vessel in the form of Bubble-Induced-Skin-Friction-Drag-Reduction (BDR) and Air-Layer-Drag- Reduction (ALDR). The latter, ALDR, is the focus of this thesis. This document covers flat-plate experimental research conducted using the Webb Institute Flow Channel during the spring of 2012. The objectives of this project were to demonstrate drag reduction at a varie
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Murphy, Sean P., and Colin T. Spillane. "The Effect of Air Lubrication on a Flat Plate at Varying Angles of Trim With Regard to Drag Reduction." In SNAME Maritime Convention. SNAME, 2013. http://dx.doi.org/10.5957/smc-2013-s01.

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One of the driving factors of technological development in ship design is the reduction of fuel consumption. One way to reduce fuel consumption is to reduce the total resistance experienced by a vessel. The methods of resistance reduction covered in this document are Air-layer-drag-reduction (ALDR) and Bubble Drag Reduction (BDR). This research, conducted in Webb Institute’s circulating flow channel, investigates the applications of ALDR and BDR to a flat plate. These tests measured frictional resistance at varying air flow volume and angles of trim over a range of flow speeds. Results from th
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Hosaka, M., T. Kouno, Y. Hayakawa, H. Niwa, and M. Yamada. "Ti layer thickness dependence on electromigration performance of Ti-AlCu metallization." In 1998 IEEE International Reliability Physics Symposium Proceedings 36th Annual. IEEE, 1998. http://dx.doi.org/10.1109/relphy.1998.670665.

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Steinhoff, Mathias. "Decommissioning of the Active Storage Facility for Residuals in Rheinsberg (Brandenburg/Germany) and Results of Groundwater Monitoring." In ASME 2011 14th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2011. http://dx.doi.org/10.1115/icem2011-59134.

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The Active Storage Facility for Residuals (Aktives Lager fu¨r Ru¨cksta¨nde – ALfR) — an open-air controlled area — was used for the storage of radioactive waste (liquid and solid waste) at the site of the NPP Rheinsberg in the former GDR. Liquid waste was cemented and dumped for near surface final disposal. During the period of operation of the ALfR some incidents happened. Residues of evaporated cooling water of unknown amount (ca. 1–10 m3), the drop-out from small leakages and the wash-off from contaminated open-air storage barrels contaminated the soil. Since 1997 the buildings of the ALfR
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Hemmerling, Boerge, Shan-Wen Tsai, Christopher Bardeen, et al. "SPECTROSCOPY ON ALUMINUM MONOCHLORIDE (ALCL) FOR LASER COOLING AND TRAPPING." In 2020 International Symposium on Molecular Spectroscopy. University of Illinois at Urbana-Champaign, 2020. http://dx.doi.org/10.15278/isms.2020.wh07.

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Singh, Sukhinderpal, and Jasmaninder Singh Grewal. "Effect of Varying Load on DLC/AlCrN-Based Coated AISI D2 Die Steel at Constant Sliding Velocity." In ASME 2017 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/imece2017-72481.

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This study has been made to limit the sliding wear by employing advanced protective nano coatings by using DC magnetron sputtering Physical Vapour Deposition technique. Three advanced nano coatings viz. Diamond-Like Carbon (DLC), composite AlCrN coating and AlCrN/TiAlN multilayered coatings were selected for present work due to their enviable wear resistant characteristics. Coatings were deposited on AISI-D2 die steel by traditional DC magnetron sputtering physical vapour deposition technique. The as deposited coatings were characterized with surface roughness, microhardness, porosity and micr
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Panchasara, Heena V., and Ajay K. Agrawal. "Characteristics of Preheated Bio-Oil Sprays Produced by an Air-Blast Injector." In ASME Turbo Expo 2010: Power for Land, Sea, and Air. ASMEDC, 2010. http://dx.doi.org/10.1115/gt2010-23397.

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In this study the vegetable oil (VO) is preheated to reduce the kinematic viscosity, and thus, improve atomization. A commercial air-blast atomizer is used to produce the VO spray at ambient conditions of temperature and pressure. Characteristics of the resulting spray are measured using a laser sheet visualization system and a Phase Doppler Particle Analyzer system. Experiments are conducted for VO temperatures varying from 40 C to 100 C and air to liquid mass ratio (ALR) of 2.0 and 4.0. Results show a decrease in Sauter Mean Diameter with an increase in VO temperature, regardless of the ALR.
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Iwamura, Eiji, Katsutoshi Takagi, and Takashi Ohnishi. "Hillock morphology and density in AlTa and AlCu alloy films encapsulated with aluminum oxide layers." In STRESS INDUCED PHENOMENA IN METALLIZATION. ASCE, 1998. http://dx.doi.org/10.1063/1.54661.

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