Mostrando registros 41881-41900 de 43604

    • U Deportes: diseño de portal web para mejorar el acceso a la información del área deportiva de la Universidad de Chile 

      Carreño Pozo, Rodrigo Andrés (Universidad de ChilePrograma Cybertesis, 2006)
      La falta de información y difusión del deporte es uno de los problemas fundamentales con los que se encuentra el alumno desde su ingreso a la universidad, la información disponible en internet sobre el tema es incompleta ...
    • U-Pb ages and metamorphic evolution of the La Pampa Gneisses: Implications for the evolution of the Chilenia Terrane and Permo-Triassic tectonics of north Central Chile 

      Álvarez, Javier; Mpodozis, Constantino; Blanco Quintero, Idael; Morata Céspedes, Diego; García Casco, Antonio; Arriagada Ortega, César (Elsevier, 2013)
      The La Pampa Gneisses are an enclave of orthogneisses emplaced within late Paleozoic to Triassic granitoids of the Chollay Batholith, in the Cordillera Frontal, to the east of Vallenar. Previous geochronological data (a ...
    • U-Pb Geochronology and Hf-O Isotopes of zircons from the Pennsylvanian Coastal Batholith, South-Central Chile 

      Deckart, Katja; Hervé Allamand, Francisco; Fanning, Mark; Ramírez, Valeria; Calderón, Mauricio; Godoy, Estanislao (2014)
      The Coastal Batholith of south-central Chile between latitudes 33° and 40°S is composed of calc-alkaline granitoids emplaced in a relatively restricted time period. New SHRIMP U-Pb zircon ages on eight quartzdioritic to ...
    • U-series dating of co-seismic gypsum and submarine paleoseismology of active faults in Northern Chile (23°S) 

      Vargas Easton, Víctor; Palacios Monasterio, Carlos; Reich Morales, Martín; Luo, Shangde; Shen, Chuan-Chou; González, Gabriel; Wu, Yi-Chen (Elsevier, 2011)
      The convergence of the Nazca and South American plates along the subduction margin of the central Andes results in large subduction earthquakes and tectonic activity along major fault systems. Despite its relevance, the ...
    • U. de Chile y transparencia 

      Pérez Vera, Víctor (2011-12-17)
      Carta del Rector Víctor Pérez Vera al Director del diario El Mercurio, publicada el 17 de diciembre de 2011.
    • U.S. FOREIGN POLICY TOWARD THE KOREAN PENINSULA: AN ANTI-UNIFICATION POLICY OR JUST TOO MANY UNCERTAINTIES TO ACCOUNT FOR? 

      Lewis, Peter (Korea Institute for National Unification, 2007-12)
      Based on interviews conducted in Seoul in July 2006, the author explores apparent contradictions in South Korean perceptions of the United States’ attitude toward Korean unification. These common perceptions regarding ...
    • Ubicación de las bases esqueletales en la arquitectura cráneo facial I parte: Algunas consideraciones sobre el análisis arquitectural y estructural de J. Delaire 

      Argandoña Pozo, Juan; Pantoja Parada, Pedro; Cortés Araya, Juan Eliecer (Sinergia, 1993-05)
      Frente a un paciente portador de una dismorfosis dento esqueletal y por lo tanto facial, las interrogantes que surgen en el Cirujano Máxilo-Facial y en el Ortodoncista son fundamentalmente dos: 1. Cómo determinar la posición ...
    • Ubicación de las bases esqueléticas maxilares en la arquitectura cráneo facial (Parte II): Análisis arquitectural y estructural de J. Delaire 

      Argandoña Pozo, Juan; Pantoja Parada, Pedro; Cortés Araya, Juan Eliecer (Sociedad Odontológica de Chile, 1994-11)
      Se revisa el análisis arquitectural y estructural del Prof. Dr. Jean Delaire, análisis que consideramos de gran ayuda en el diagnóstico y planificación de tratamiento en pacientes portadores de dismorfosis y dismorfias ...
    • Ubiquitous Mobile Knowledge Construction in Collaborative Learning Environments 

      Baloian Tataryan, Nelson; Zurita Alarcón, Gustavo (2012)
      Knowledge management is a critical activity for any organization. It has been said to be a differentiating factor and an important source of competitiveness if this knowledge is constructed and shared among its members, ...
    • UBVRI photoelectric photometry in the fields of 15 active galaxies 

      Hamuy Wackenhut, Mario; Maza Sancho, José María (The Astronomical journal, 97: 720-725, 1989, 1989-03)
      UVBRI photoelectric sequences for fifteen AGNs were obtained with 0.6, 0.9, and 1-m telescopes. The data include 473 observations for 118 stars, giving an average of 4.0 observations per star, and 7.9 stars per sequence. ...
    • UBVRIz Light Curves of 51 Type II Supernovae 

      Galbany, Lluis; Hamuy Wackenhut, Mario; Phillips, Mark; Suntzeff, Nicholas; Maza Sancho, José; de Jaeger, Thomas; Moraga, Tania; González Gaitán, Santiago; Krisciunas, Kevin; Morrell, Nidia; Thomas Osip, Joanna; Krzeminski, Wojtek; Gonzalez, Luis; Antezana, Roberto; Wishnjewski, Marina; McCarthy, Patrick; Anderson, Joseph; Gutierrez, Claudia; Stritzinger, Maximilian; Folatelli, Gaston; Anguita, Claudio; Galaz, Gaspar; Green, Elisabeth; Impey, Chris; Kim, Yong-Cheol; Kirhakos, Sofia; Malkan, Mathew; Mulchaey, John; Phillips, Andrew; Pizzella, Alessandro; Prosser, Charles; Schmidt, Brian; Schommer, Robert; Sherry, William; Strolger, Louis; Wells, Lisa; Williger, Gerard (OP PUBLISHING, 2016)
      We present a compilation of UBVRIz light curves of 51 type II supernovae discovered during the course of four different surveys during 1986-2003: the Cerro Tololo Supernova Survey, the Calan/Tololo Supernova Program (C&T), ...
    • The UChA and UChB rat lines: metabolic and genetic differences influencing ethanol intake 

      Israel Jacard, Yedy; Sapag, Amalia; Tampier de Jong, Lutske; Quintanilla González, María Elena (BLACKWELL, 2006-09)
      Ethanol non-drinker (UChA) and drinker (UChB) rat lines derived from an original Wistar colony have been selectively bred at the University of Chile for over 70 generations. Two main differences between these lines are ...
    • UChile1 Team Description Paper 

      Ruiz del Solar, Javier; Zagal, Juan Cristóbal; Guerrero, Pablo; Vallejos, Paul; Middleton, Christian; Olivares, Ximena (2014-01-08)
      The U-Chile-1 four legged team is an effort of the Department of Electrical Engineering of the University of Chile in order to foster research in robotics at high level. U-Chile-1 was composed this year by a group ...
    • UDI: un fenómeno nacional 

      Alvarado Moraga, Marcelo (2006)
      La situación política que ha envuelto al país en los últimos años ha tenido a la Unión Demócrata Independiente (UDI) como uno de sus principales actores y por lo tanto, objetos de observación y análisis. Este conglomerado ...
    • udpSkeduler: A Web architecture based decision support system for course and classroom scheduling 

      Miranda, Jaime; Rey Sosa, Pablo; Robles, José M. (Elsevier, 2012)
      A key process for post-secondary educational institutions is the definition of course timetables and classroom assignments. Manual scheduling methods require enormous amounts of time and resources to deliver results of ...
    • The ultimatum game with externalities 

      Laengle Scarlazetta, Sigifredo; Loyola Fuentes, Gino (Academic Economic Studies, 2015)
      This paper examines the equilibrium properties of an ultimatum game model with externalities. Unlike the equilibrium of the traditional version of this game and even recent extensions of it in a similar direction as ours, ...
    • Ultra Deep Catalogue of Galaxy Structures in the Cosmic Evolution Survey field 

      Söchting, Ilona K.; Campusano Brown, Luis; Coldwell, Georgina V.; Clowes, Roger G.; Graham, Matthew J. (Royal Astronomical Society, 2012-04-03)
      detected using a fully automated search in the Cosmic Evolution Survey field. The detection algorithm is based on density peak extraction from a density distribution sampled usingVoronoi tessellation within overlapping ...
    • Ultra-high-performance liquid chromatography-Time-of-flight high resolution mass spectrometry to quantify acidic drugs in wastewater 

      Becerra Herrera, Mercedes; Honda, Luis; Richter Duk, Pablo (Elsevier, 2015)
      A novel analytical approach involving an improved rotating-disk sorptive extraction (ROSE) procedure and ultra-high-performance liquid chromatography (UHPLC) coupled to an ultraspray electrospray ionization source (UESI) ...
    • Ultra-pure digital sideband separation at sub-millimeter wavelengths 

      Finger Camus, Ricardo; Mena, F. P.; Baryshev, A.; Khudchenko, A.; Rodríguez, R.; Huaracan, E.; Hesper, R.; Bronfman Aguiló, Leonardo (EDP Sciences, 2015)
      Context. Deep spectral-line surveys in the mm and sub-mm range can detect thousands of lines per band uncovering the rich chemistry of molecular clouds, star forming regions and circumstellar envelopes, among others ...
    • Ultrametric and Tree Potential 

      Martínez Aguilera, Servet; Dellacherie Lefebvre, Claude; San Martín Aristegui, Jaime Ricardo (2009)
      In this article we study which infinite matrices are potential matrices. We tackle this problem in the ultrametric framework by studying infinite tree matrices and ultrametric matrices. For each tree matrix, we show the ...