Academic literature on the topic 'Local void'

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Journal articles on the topic "Local void"

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Lindner, U., K. J. Fricke, J. Einasto, and M. Einasto. "Void Hierarchy in the Northern Local Void." Symposium - International Astronomical Union 183 (1999): 185–90. http://dx.doi.org/10.1017/s0074180900132516.

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Empirical studies of the Large–Scale Structure in the nearby Universe come in two complementary modes, namely the investigation of either the distribution of luminous matter or voids: (i) The description of the galaxy and cluster distribution employs correlation functions, clustering analysis, topological methods, et cetera. (ii) The investigation of the empty regions between systems of galaxies uses void probability functions, mean diameters of voids, the compilation of void catalogues, and so forth.
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Tully, R. Brent. "The Local Void is Really Empty." Proceedings of the International Astronomical Union 3, S244 (2007): 146–51. http://dx.doi.org/10.1017/s1743921307013932.

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AbstractAre voids in the distribution of galaxies only places with reduced matter density and low star formation efficiency or are they empty of matter? There is now compelling evidence of expansion away from the Local Void at very high velocities. The motion is most reasonably interpreted as an evacuation of the void, which requires that the void be very large and very empty.
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Curtis, Olivia, Bryanne McDonough, and Tereasa G. Brainerd. "Properties of Voids and Void Galaxies in the TNG300 Simulation." Astrophysical Journal 962, no. 1 (2024): 58. http://dx.doi.org/10.3847/1538-4357/ad18b4.

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Abstract We investigate the properties of voids and void galaxies in the TNG300 simulation. Using a luminous galaxy catalog and a spherical void-finding algorithm, we identify 5078 voids at redshift z = 0. The voids cover 83% of the simulation volume and have a median radius of 4.4 h −1 Mpc. We identify two populations of field galaxies based on whether the galaxies reside within a void (“void galaxies”; 75,220 objects) or outside a void (“nonvoid galaxies”; 527,454 objects). Within the voids, mass does not directly trace light. Instead, the mean radial underdensity profile as defined by the l
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Pustilnik, Simon A., Dmitri I. Makarov, and Arina L. Tepliakova. "Nearby void dwarf galaxies: recent results, the ongoing project and prospects." Proceedings of the International Astronomical Union 14, S344 (2018): 396–99. http://dx.doi.org/10.1017/s1743921318006713.

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AbstractProperties of dwarf galaxies formed and evolved in the lowest density environment remain largely unexplored and poorly understood. Especially this concerns the low-mass end (Mbar < 109M⊙). We overview the results of systematic study of a hundred void dwarfs from the nearby Lynx-Cancer void. We describe the ongoing project aiming to form Nearby Void galaxy sample (R < 25 Mpc) over the whole sky. 1354 objects with distances less than 25 Mpc fall within 25 voids delineated by 460 luminous galaxies/groups. The void major sizes range from 13 to 37 Mpc. 1088 of 1354 void galaxies resid
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Rizzi, Luca, R. Brent Tully, Edward J. Shaya, Ehsan Kourkchi, and Igor D. Karachentsev. "DRAINING THE LOCAL VOID." Astrophysical Journal 835, no. 1 (2017): 78. http://dx.doi.org/10.3847/1538-4357/835/1/78.

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Seehaus, Thorsten, Veniamin I. Morgenshtern, Fabian Hübner, Eberhard Bänsch, and Matthias H. Braun. "Novel Techniques for Void Filling in Glacier Elevation Change Data Sets." Remote Sensing 12, no. 23 (2020): 3917. http://dx.doi.org/10.3390/rs12233917.

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The increasing availability of digital elevation models (DEMs) facilitates the monitoring of glacier mass balances on local and regional scales. Geodetic glacier mass balances are obtained by differentiating DEMs. However, these computations are usually affected by voids in the derived elevation change data sets. Different approaches, using spatial statistics or interpolation techniques, were developed to account for these voids in glacier mass balance estimations. In this study, we apply novel void filling techniques, which are typically used for the reconstruction and retouche of images and
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Zhang, Qi, and Yongliang Lin. "Analysis of Failure Mode of Reinforced Embankments Overlying Voids Based on Discrete Method." Applied Sciences 13, no. 16 (2023): 9270. http://dx.doi.org/10.3390/app13169270.

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The mode of the reinforced embankment overlying voids was generated based on discrete element software. By changing the vertical distance H and the horizontal distance L, the influence of the void position on the bearing capacity characteristics, displacement field, stress field and its reinforcement deformation law of the reinforced embankment was analyzed when a local overload was applied. Numerical simulation results show that the vertical displacement of the geogrid is symmetrical around the center of the loading plate, and the transverse displacement of the geogrid shows a centrosymmetric
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Shao, Shuai, Yimin Wu, Helin Fu, Sheng Feng, and Jiawei Zhang. "Numerical Investigation of Longitudinal through Voids in Tunnel Secondary Lining Vaults and Steel Plate Strengthening." Materials 16, no. 12 (2023): 4248. http://dx.doi.org/10.3390/ma16124248.

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This study investigates the influence of longitudinal through voids on vault lining. Firstly, a loading test was carried out on a local void model, and the CDP model was used for numerical verification. It was found that the damage to the lining caused by a longitudinal through void was primarily located at the void boundary. On the basis of these findings, an overall model of the vault’s through void was established using the CDP model. The effects of the void on the circumferential stress, vertical deformation, axial force, and bending moment of the lining surface were analyzed, and the dama
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Bland-Hawthorn, J., and S. Sharma. "Void asymmetries in the cosmic web: a mechanism for bulk flows." Proceedings of the International Astronomical Union 11, S308 (2014): 561–70. http://dx.doi.org/10.1017/s1743921316010589.

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AbstractBulk flows of galaxies moving with respect to the cosmic microwave background are well established observationally and seen in the most recent ΛCDM simulations. With the aid of an idealised Gadget-2 simulation, we show that void asymmetries in the cosmic web can exacerbate local bulk flows of galaxies. The {\it Cosmicflows-2} survey, which has mapped in detail the 3D structure of the Local Universe, reveals that the Local Group resides in a “local sheet” of galaxies that borders a “local void” with a diameter of about 40 Mpc. The void is emptying out at a rate of 16 km s-1Mpc-1. In a c
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Wan, Ya-Ting, Jian-Li Shao, Guang-Ze Yu, Er-Fu Guo, Hua Shu, and Xiu-Guang Huang. "Evolution of Preset Void and Damage Characteristics in Aluminum during Shock Compression and Release." Nanomaterials 12, no. 11 (2022): 1853. http://dx.doi.org/10.3390/nano12111853.

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It is well known that initial defects play an essential role in the dynamic failure of materials. In practice, dynamic tension is often realized by release of compression waves. In this work, we consider void-included single-crystal aluminum and investigate the damage characteristics under different shock compression and release based on direct atomistic simulations. Elastic deformation, limited growth and closure of voids, and the typical spall and new nucleation of voids were all observed. In the case of elastic deformation, we observed the oscillatory change of void volume under multiple co
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Dissertations / Theses on the topic "Local void"

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Leurig, Sharlene. "Mapping the void : brownfield inventories by local governments." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39945.

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Thesis (M.C.P.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 2007.<br>Includes bibliographical references (p. 91-93).<br>Brownfields are abandoned or underused land whose redevelopment is complicated by the presence or perception of contamination. Nationally the United States Environmental Protection Agency estimates the number of brownfields to be more than half a million. As of 2002, the EPA requires states and tribal governments to inventory brownfields within their boundaries in order to receive federal funding for brownfield response programs; municipalitie
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Blomqvist, Michael. "Inhomogeneous cosmologies with clustered dark energy or a local matter void." Doctoral thesis, Stockholms universitet, Institutionen för astronomi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-43100.

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In the standard model of cosmology, the universe is currently dominated by dark energy in the form of the cosmological constant that drives the expansion to accelerate. While the cosmological constant hypothesis is consistent with all current data, models with dynamical behaviour of dark energy are still allowed by observations. Uncertainty also remains over whether the underlying assumption of a homogeneous and isotropic universe is valid, or if large-scale inhomogeneities in the matter distribution can be the cause of the apparent late-time acceleration.This thesis investigates inhomogeneous
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Abt, Tin Lian. "Detection of a Local Mass Anomaly in the Shallow Subsurface by Applying a Matched Filter." The Ohio State University, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=osu1313154731.

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Warner, Wyatt Young. "Characterization of Local Void Content in Carbon Fiber Reinforced Plastic Parts Utilizing Observation of In Situ Fluorescent Dye Within Epoxy." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/7772.

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Experimentation exploring the movement of voids within carbon fiber reinforced plastics was performed using fluorescent dye infused into the laminates observed through a transparent mold under ultraviolet light. In situ photography was used as an inspection method for void content during Resin Transfer Molding for these laminates. This in situ inspection method for determining the void content of composite laminates was compared to more common ex-situ quality inspection methods i.e. ultrasonic inspection and cross-section microscopy. Results for localized and total void count in each of these
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Zschau, Jochen, Horst-Michael Prasser, Thoralf Gocht, and Arnd Böttger. "Transiente Kondensationsversuche an einem Notkondensator - Einzelrohr." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-29106.

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Die in diesem Bericht vorgestellten Experimente betreffen die Kondensation von Dampf in horizontalen bzw. leicht geneigten Rohren bei hohen auftretenden Temperaturdifferenzen bis zu über 200 K. Weitere Besonderheiten sind die detaillierte Untersuchung des transienten Verhaltens eines nichtkondensierbaren Gases mit einer neuartigen Messtechnik sowie die Ermittlung des Einflusses des Gases auf den Kondensationsvorgang. Beim Experiment wurden schnelle Übergangsvorgänge ausgelöst, indem ein in einer Kühlwanne liegendes, leicht geneigtes Wärmeübertragerrohr plötzlich mit dem Dampfraum eines unter D
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Zschau, Jochen, Horst-Michael Prasser, Thoralf Gocht, and Arnd Böttger. "Transiente Kondensationsversuche an einem Notkondensator - Einzelrohr." Forschungszentrum Rossendorf, 2003. https://hzdr.qucosa.de/id/qucosa%3A21737.

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Die in diesem Bericht vorgestellten Experimente betreffen die Kondensation von Dampf in horizontalen bzw. leicht geneigten Rohren bei hohen auftretenden Temperaturdifferenzen bis zu über 200 K. Weitere Besonderheiten sind die detaillierte Untersuchung des transienten Verhaltens eines nichtkondensierbaren Gases mit einer neuartigen Messtechnik sowie die Ermittlung des Einflusses des Gases auf den Kondensationsvorgang. Beim Experiment wurden schnelle Übergangsvorgänge ausgelöst, indem ein in einer Kühlwanne liegendes, leicht geneigtes Wärmeübertragerrohr plötzlich mit dem Dampfraum eines unter D
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Castello, Sveva. "A Tension between the Early and Late Universe: Could Our Underdense Cosmic Neighbourhood Provide an Explanation?" Thesis, Uppsala universitet, Institutionen för fysik och astronomi, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-446960.

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In recent years, the increasingly precise constraints on the value of the Hubble constant, H0, have highlighted a discrepancy between the results arising from early-time and late-time measurements. A potential solution to this so-called Hubble tension is the hypothesis that we reside in a cosmic void, i.e. an underdense cosmic neighbourhood characterized by a faster local expansion rate. In this thesis, we model this scenario through the Lemaître-Tolman-Bondi formalism for an isotropic but inhomogeneous universe containing matter, curvature and a cosmological constant, which we denote by ΛLTB.
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Sun, Haomin. "Study on Upward Air-Water Two-Phase Turbulent Flow Characteristics in a Vertical Large Square Duct." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/188585.

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Peytraud, Jean-François. "Étude de la tomographie électrique pour la mesure du taux de vide local en écoulements diphasiques." Grenoble INPG, 1995. http://www.theses.fr/1995INPG0035.

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La modelisation des ecoulements diphasiques multidimensionnels se heurte a l'heure actuelle au probleme de la determination des phases en presence. On se propose ici d'etudier l'application d'une technique d'imagerie medicale, la tomographie electrique, a la determination de la distribution des phases en ecoulement diphasique. On montre, dans un premier temps, que la conception rationnelle du capteur tomographique ne peut etre envisage sans une etude approfondie du conditionnement numerique de l'algorithme de reconstruction. Ce dernier, developpe en geometrie bidimensionnelle, a pour objet de
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Prasser, Horst-Michael. "3. Workshop "Meßtechnik für stationäre und transiente Mehrphasenströmungen", 14. Oktober 1999 in Rossendorf." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-30118.

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Am 14. Oktober 1999 wurde in Rossendorf die dritte Veranstaltung in einer Serie von Workshops über Meßtechnik für stationäre und transiente Mehrphasenströmungen durchgeführt. Dieses Jahr kann auf auf 11 interessante Vorträge zurückgeblickt werden. Besonders hervorzuheben sind die beiden Hauptvorträge, die von Herrn Professor Hetsroni aus Haifa und Herrn Dr. Sengpiel aus Karlsruhe gehalten wurden. Erneut lag ein wichtiger Schwerpunkt auf Meßverfahren, die räumliche Verteilungen von Phasenanteilen und Geschwindigkeiten sowie die Größe von Partikeln bzw. Blasen der dispersen Phase zugänglich mac
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Books on the topic "Local void"

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San Francisco (Calif.). City Attorney's Office. Recent amendments to the Brown Act requiring local agencies to post an agenda 72 hours before a meeting, prohibiting action on non-agenda items, allowing the public to speak at meetings and permitting a court action to declare null and void actions taken in violation of the Brown Act. Office of City Attorney, 1986.

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T, Stocke John, and United States. National Aeronautics and Space Administration., eds. The local LyÜ forest: Association of clouds with superclusters and voids. National Aeronautics and Space Administration, 1997.

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Giuseppe, Pagano, and Centre de recherche et d'information socio-politiques, eds. Le financement des entités fédérées: Un système en voie de transformation. Centre de recherche et d'information socio-politiques, 2011.

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T, Stocke John, and United States. National Aeronautics and Space Administration., eds. The local Lygas forest: Association of clouds with superclusters and voids. National Aeronautics and Space Administration, 1997.

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Gruber, Thomas. Unge ofre for vold: Et modelprojekt mellem central og lokal styring. Socialforskningsinstituttet, 2001.

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Gruber, Thomas. Unge ofre for vold: Et modelprojekt mellem central og lokal styring. Socialforskningsinstituttet, 2001.

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Champeau, Nicole V. Mémoire des villages engloutis: La voie maritime du Saint-Laurent de Mille Roches aux Mille-Îles. Vermillon, 1999.

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author, Lavrentʹev P., та Belonuchkin Grigoriĭ editor, ред. I odin v pole voin, ili, Chto mozhno sdelatʹ v menʹshinstve: Munit︠s︡ipalʹnyĭ opyt. T︠S︡entr "Panorama", 2011.

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Journet, Alain. La mère Michelon: Chronique du petit village de Bresse, Cras-sur-Reyssouze, où l'on voit évoluer Madeleine, une restauratrice animée par un souci constant de qualité. Mot'Diff, 2014.

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Souquet-Basiège, Pierre. Le malaise créole: Un dérivé du mal français : un béké relève la filiation! : fondements humanistes d'une troisième voie locale : essai. 2nd ed. Ibis Rouge, c1999., 1999.

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Book chapters on the topic "Local void"

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Huterer, Dragan, and Hao-Yi Wu. "Not Empty Enough: A Local Void Cannot Solve the $$H_0$$ Tension." In Springer Series in Astrophysics and Cosmology. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-0177-7_21.

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León-Garcia, Orlando, Roumen Petrov, and Leo Kestens. "Local Characterization of Void Initiation on IF Steel by FIB-EBSD Technique." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470444214.ch73.

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Nyikadzino, Tawanda. "Corporate Governance in Zimbabwe’s Local Authorities: A Void in the Devolution Path." In Ethics and Accountable Governance in Africa's Public Sector, Volume II. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-04325-3_3.

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Kraan-Korteweg, Renée C., N. Shafi, B. S. Koribalski, et al. "Outlining the Local Void with the Parkes HI ZOA and Galactic Bulge Surveys." In Astrophysics and Space Science Proceedings. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6933-8_2.

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Skalamera, Morena. "A ‘Steppe’ into the Void: Central Asia in the Post-oil World." In SpringerBriefs in Climate Studies. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-29831-8_7.

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AbstractKazakhstan, Turkmenistan and Uzbekistan are petrostates and therefore trapped by the global energy transition. This chapter delves into the nexus between the effects of the energy transition, international stability and regime stability in Central Asia’s fossil-fuel dominated economies—a nexus of increasing theoretical and policy relevance as we enter a post-oil era in world politics. The Central Asian hydrocarbon producers are torn between their own aspirations to shift to a low-carbon economy and the vested interests of their elites, which are embedded in fossil-fuel dependency. Desp
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Tikhonov, Anton, and Anatoly Klypin. "Properties of Voids in the Local Volume." In Astrophysics and Space Science Proceedings. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6933-8_5.

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Sekher, Madhushree. "Local Governance in Rural India: Tracing Institutional Voids." In Governance and Governed. Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-5963-6_5.

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Sciscione, Anthony. "Symptomatic Horror." In Leper Creativity. punctum books, 2012. https://doi.org/10.21983/p3.0017.1.08.

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Symptomatic horror describes works that attempt to encounter the radically non-human without recourse to ontological presence and positive conceptualiza-tion, instead channeling the incompatible agency through its effects on the landscape and representing it in the text primarily with reference to the discursive and hermeneutic gaps it occasions. In H.P. Lovecraft’s “The Colour Out of Space,” a classic work of this sort, a constitutionally-indeterminate extraterrestrial agency deposited by a meteorite infiltrates a local bio-physical milieu and reengineers it in accordance with its alien molec
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Kermarrec, Gaël, Vibeke Skytt, and Tor Dokken. "LR B-Splines for Representation of Terrain and Seabed: Data Fusion, Outliers, and Voids." In Optimal Surface Fitting of Point Clouds Using Local Refinement. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-16954-0_5.

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AbstractPerforming surface approximation of geospatial point clouds with locally refined (LR) B-splines comes with several challenges: (i) Point clouds have varying data density, (ii) outliers should be eliminated without deleting features, (iii) voids, also called holes, or data gaps should be treated specifically to avoid the drop of the approximated surface in domains without points. These factors tend to be even more challenging when point clouds acquired from different sensors having different noise characteristics are fused together. The data set becomes non-uniform and the fusing proces
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Messaoudi, Alain. "Une figure transitoire aux frontières d’un empire colonial : Léon Roches, consul de France (1845-1867)." In Les consuls, agents de la présence française dans le monde. Presses universitaires de Rennes, 2017. https://doi.org/10.4000/13vwu.

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Léon Roches a été une figure relativement célèbre en son temps pour sa vie aventureuse : l’ancien familier d’Abd el-Kader devenu ministre plénipotentiaire a su se mettre en scène dans un recueil de souvenirs assez largement diffusés. On propose ici de voir dans cet ancien militaire, lié au monde du négoce, que sa carrière a conduit de Tanger à Tokyo, une figure plus ordinaire, représentative d’un nouveau type de consul. Usant de sa prestance de cavalier d’Ancien Régime tout en adoptant une stratégie d’alliance avec le pouvoir central local contre les « féodalités », le consul doit être à même
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Conference papers on the topic "Local void"

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Bourriche, Nadine, and Francesca Capel. "Beyond the Local Void: A comprehensive view on the origins of the Amaterasu particle." In 7th International Symposium on Ultra High Energy Cosmic Rays. Sissa Medialab, 2025. https://doi.org/10.22323/1.484.0071.

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Tomita, Kenji. "A local void and the accelerating supernovae." In RELATIVISTIC ASTROPHYSICS: 20th Texas Symposium. AIP, 2001. http://dx.doi.org/10.1063/1.1419570.

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Kashinsky, O. N., P. D. Lobanov, A. S. Kurdyumov, N. A. Pribaturin, and S. E. Volkov. "Local Void Fraction in Triangular Arranged Rod Bundle." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54453.

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An experimental study of gas-liquid flow in a vertical bundle of 37 rods in a triangular arrangement was performed. An interaction of gas phase with a spacing grid was considered. Gas was injected through a 1.2 mm capillary tube inserted into one of the sub channels of the central rod. Void fraction measurements were performed by a conductivity probe mounted on the central rod Measurements were performed in the flow region just downstream the spacing grid. The processing of the conductivity probe records allowed to obtain three-dimensional distribution of the gas phase around the central rod o
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Hahne, Erich, Klaus K. Spindler, Q. Chen, and R. Windisch. "LOCAL VOID FRACTION MEASUREMENTS IN FINNED TUBE BUNDLES." In International Heat Transfer Conference 9. Begellhouse, 1990. http://dx.doi.org/10.1615/ihtc9.4320.

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Sasakawa, Tatsuya, Tsutomu Ikeno, and Isao Kataoka. "DNB Prediction Method Using Local Void Distribution in Rod-Bundle." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29333.

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A computational multi-fluid dynamics (CMFD) code that predicted the void distribution in sub-channel was coupled with sub-channel analysis code to predict departure from nucleate boiling (DNB). The main assumption was that the void fraction near heated wall was the dominant parameter in DNB. A sub-channel analysis code was used to calculate three dimensional distribution of sub-channel averaged values of mass flux, void fraction, density and quality. These were used as a boundary condition in the CMFD code to predict local void fraction in a subchannel. A bubble diffusion equation was used ass
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Kurapati, Sushma, Renée Kraan-Korteweg, D. J. Pisano, et al. "Tracing the Local Void and its substructure with MeerKAT." In 4th URSI Atlantic RadioScience Conference. URSI – International Union of Radio Science, 2024. http://dx.doi.org/10.46620/ursiatrasc24/wlau3744.

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Dong, Xiaobo, and Yu-Hsing Wang. "EM-Wave Based Characterizations of Local Void Ratios in Soils." In Geo-Frontiers Congress 2005. American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40785(164)23.

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Lee, Chien-Hsun, Ching-Jer Huang, and Wuu-Wen Lin. "Fiber optic probe for local void fraction measurements in bubbly flows." In Third European Workshop on Optical Fibre Sensors. SPIE, 2007. http://dx.doi.org/10.1117/12.738403.

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Saito, Yoshinobu, Kotaro Yoden, Syota Okuno, and Qiang Yu. "Study on local deformation of void affecting mechanical property of nanomaterial." In 2014 9th International Microsystems, Packaging, Assembly and Circuits Technology Conference (IMPACT). IEEE, 2014. http://dx.doi.org/10.1109/impact.2014.7048363.

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Brooks, Caleb S., Yang Liu, Takashi Hibiki, and Mamoru Ishii. "Void Fraction Covariance in Two-Phase Flows." In 2012 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icone20-power2012-54594.

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A void fraction covariance in the expression for area-averaged local relative velocity has been assumed to be one by current and past researchers. Similarly, in a multi-bubble group approach, void covariances for each bubble group appear in the group area-averaged relative velocity expressions. The covariance terms have been analyzed with a substantial database from literature including upward flow in pipe diameters of 1.27 cm to 15.2 cm, downward flow in pipe diameters of 2.54 cm and 5.08 cm, and upward flow in an annulus (Dh = 1.9cm) under adiabatic, boiling, and condensing conditions. Simpl
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Reports on the topic "Local void"

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พิมพ์พิณ, อลงกรณ์, та ณัฐเดช เฟื่องวรวงศ์. การพัฒนาเทคนิคการวัดสำหรับการไหลสองเฟสระหว่างของเหลวและก๊าซ. จุฬาลงกรณ์มหาวิทยาลัย, 2010. https://doi.org/10.58837/chula.res.2010.42.

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การไหลแบบสองเฟสเป็นการไหลที่สามารถพบได้ทั่วไปในอุตสาหกรรมหลากหลายประเภท ซึ่งนักวิจัยและวิศวกรออกแบบต้องเข้าใจถึงความรู้พื้นฐานของการไหลสองเฟสอย่างลึกซึ้งเพื่อการออกแบบ การควบคุม รวมถึงการปรับปรุงสมรรถนะในระบบต่าง ๆ เหล่านั้นเพื่อทำให้มีประสิทธิภาพสูงขึ้น ในงานวิจัยนี้จึงได้พยายามพัฒนาเทคนิคการวัด 2 แบบคือ เทคนิค Wire Mesh Tomography (WMT) และเทคนิคเลเซอร์ไดโอด สำหรับเทคนิค WMT ใช้หลักการของการวัดความแตกต่างการนำไฟฟ้าของของไหลทั้งหน้าตัดการไหล ในงานวิจัยนี้ เราได้พัฒนาโปรแกรมคอมพิวเตอร์ เพื่อคำนวณพารามิเตอร์ที่สำคัญจากข้อมูลที่บันทึกได้จาก WMT เพื่อเปรียบเทียบกับข้อมูลที่ได้จากการถ่ายภาพ โดยพาร
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Trabold, T. A., R. Kumar, and P. F. Vassallo. Annular flow of R-134a through a high aspect ratio duct: Local void fraction, droplet velocity and droplet size measurements. Office of Scientific and Technical Information (OSTI), 1998. http://dx.doi.org/10.2172/304179.

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Rousseau, Henri-Paul. Gutenberg, L’université et le défi numérique. CIRANO, 2022. http://dx.doi.org/10.54932/wodt6646.

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Introduction u cours des deux derniers millénaires, il y a eu plusieurs façons de conserver, transmettre et même créer la connaissance ; la tradition orale, l’écrit manuscrit, l’écrit imprimé et l’écrit numérisé. La tradition orale et le manuscrit ont dominé pendant plus de 1400 ans, et ce, jusqu’à l’apparition du livre imprimé en 1451, résultant de l’invention mécanique de Gutenberg. Il faudra attendre un peu plus de 550 ans, avant que l’invention du support électronique déloge à son tour le livre imprimé, prenant une ampleur sans précédent grâce à la révolution numérique contemporaine, résul
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