Now showing items 1-20 of 9515

    • 11th grade students' awareness regarding english SIMCE test in two semi-private schools from C2 socioeconomic status 

      Bonet, Carmen Luz; Bucarei, Felipe; Fernández, Ximena; González, Héctor; Peña, Camila; Solimar, Marcela (Universidad Andrés Bello, 2012)
      English has acquired a relevant importance during the last decades because of the globalization, and Chile is not the exception. Trades, tourism, scholarships abroad and better opportunities to apply for a job are sorne ...
    • 1RXS J180408.9-342058: An ultra compact X-ray binary candidate with a transient jet 

      Baglio, M.C.; D’Avanzo, P.; Campana, S.; Goldoni, P.; Masetti, N.; Muñoz-Darias, T.; Patiño-Álvarez, V.; Chavushyan, V. (EDP SCIENCES, 2016-03)
      Aims. We present a detailed near-infrared/optical/UV study of the transient low-mass X-ray binary 1RXS J180408.9-342058 performed during its 2015 outburst, which is aimed at determining the nature of its companion star. ...
    • 2D sigma models and differential Poisson algebras 

      Arias, C.; Boulanger, N.; Sundell, P.; Torres-Gomez, A. (Springer, 2015-08)
      We construct a two-dimensional topological sigma model whose target space is endowed with a Poisson algebra for differential forms. The model consists of an equal number of bosonic and fermionic fields of worldsheet form ...
    • 2D-QSAR and 3D-QSAR/CoMSIA studies on a series of (R)-2-((2-(1H-Indol-2-yl)ethyl)amino)-1-phenylethan-1-ol with human β3-adrenergic activity 

      Apablaza, G.; Montoya, L.; Morales-Verdejo, C.; Mellado, M.; Cuellar, M.; Lagos, C.F.; Soto-Delgado, J.; Chung, H.; Pessoa-Mahana, C.D.; Mella, J. (MDPI, 2017-03)
      The beta(3) adrenergic receptor is raising as an important drug target for the treatment of pathologies such as diabetes, obesity, depression, and cardiac diseases among others. Several attempts to obtain selective and ...
    • 31 minutos : con el juego de la prensa renace la tv infantil 

      Muñoz Barrientos, Claudio; Bárbara, Bárbara (Universidad Andrés Bello, 2005)
      "Tulio, estamos al aire ... " fue la frase con la que el 15 de marzo del año 2003 debutó el primero de los 21 capítulos de la hasta entonces desconocida nueva propuesta infantil de Televisión Nacional (TVN), "31 Minutos". ...
    • 4D higher spin black holes with nonlinear scalar fluctuations 

      Iazeolla, C.; Sundell, P. (Springer Verlag, 2017-10)
      We construct an infinite-dimensional space of solutions to Vasiliev’s equations in four dimensions that are asymptotic to AdS spacetime and superpose massless scalar particle modes over static higher spin black holes. Each ...
    • A 214 años de Esclavitud (1780-1800) 

      Ordenes Lagos, Rodolfo André (Universidad Andrés Bello, 2014)
      El tráfico de esclavos negros que existió en los años 1780 a 1800 desde el puerto de V al paraíso a la ciudad del Callao en el virreinato del Perú. Siendo la hipótesis principal el individualizar el contrabando de esclavos ...
    • A case study on how language learning strategies are fostered in an EFL chilean classroom context 

      Maggiolo Castro, Stefano Stefano; Navarro Pereira, Leonardo (Universidad Andrés Bello, 2016)
      This mixed-methods case study attempted to explore how Language Learning Strategies (LLS) are fostered within a secondary level Chilean EFL public school context, based on a teacher’s pedagogical actions. Through empirical ...
    • A Catalog of Cool Dwarf Targets for the Transiting Exoplanet Survey Satellite 

      Muirhead, P.S.; Dressing, C.D.; Mann, A.W.; Rojas-Ayala, B.; Lépine, S.; Paegert, M.; De Lee, N.; Oelkers, R. (Institute of Physics Publishing, 2018-04)
      We present a catalog of cool dwarf targets (V - > J 2.7, T eff ≳4000 K) and their stellar properties for the upcoming Transiting Exoplanet Survey Satellite (TESS), for the purpose of determining which cool dwarfs should ...
    • A Chemical and Kinematical Analysis of the Intermediate-age Open Cluster IC 166 from APOGEE and Gaia DR2 

      Schiappacasse-Ulloa, J.; Tang, B.; Fernández-Trincado, J.G.; Zamora, O.; Geisler, D.; Frinchaboy, P.; Schultheis, M.; Dell'Agli, F.; Villanova, S.; Masseron, T.; Mészáros, S.; Souto, D.; Hasselquist, S.; Cunha, K.; Smith, V.V.; García-Hernández, D.A.; Vieira, K.; Robin, A.C.; Minniti, D.; Zasowski, G.; Moreno, E.; Pérez-Villegas, A.; Lane, R.R.; Ivans, I.I.; Pan, K.; Nitschelm, C.; Santana, F.A.; Carrera, R.; Roman-Lopes, A. (Institute of Physics Publishing, 2018-09)
      IC 166 is an intermediate-age open cluster (OC) (∼1 Gyr) that lies in the transition zone of the metallicity gradient in the outer disk. Its location, combined with our very limited knowledge of its salient features, make ...
    • A comparison of trajectory granular based algorithms for the location-routing problem with heterogeneous fleet (LRPH) 

      Bernal-Moyano, J.A.; Escobar, J.W.; Marín-Moreno, C.; Linfati, R.; Gatica, G. (Universidad Nacional de Colombia, 2017)
      We consider the Location-Routing Problem with Heterogeneous Fleet (LRPH) in which the goal is to determine the depots to be opened, the customers to be assigned to each open depot, and the corresponding routes fulfilling ...
    • A complementary view to the bonding pattern in the N5 +cation an electron localization function and local temperature analysis 

      Chamorro, E. (UNAB) (Sociedad Chilena de Química, 2003)
      The electron localization function (ELF), a local measure of the Pauli repulsion effect, and the local Kohn-Sham temperature analysis, which is defined within the framework of a local thermodynamics description of density ...
    • A crowdsourcing-based system for monitoring em radiation exposure in Chile 

      Ulloa, J.J.; Encina, M.; Gutiérrez-Gaitán, M.; Ruete, D.; Gómez-Pantoja, C. (CEUR-WS, 2018-10)
      Public concern about the possible effects on health due to electromagnetic (EM) radiation exposure has led to the definition of regulations worldwide. In Chile, the so-called "Ley de Antenas" provides a regulatory framework ...
    • A descriptive and correlational study about language teaching strategies of novice teachers and undergraduate students of an english teaching university program 

      Verdugo Plaza, Fernando Andrés (Universidad Andrés Bello, 2015)
      Teacher competence in language teaching is a very relevant concern in education. To be an efficient teacher of English one must exhibit appropriate knowledge and expertise to teach students in a classroom. Consequently, ...
    • A descriptive study on writing performance of 8th graders from a public school 

      Catalan Diaz, Erica Cecilia; Ramirez Gonzalez, Daniela Paz (Universidad Andrés Bello, 2011)
      Writing in a foreign language is an arduous task, since it requires handling a wide range of linguistic and cognitive abilities. On one hand, it demands to have the knowledge of the language system, choosing the correct ...
    • A functional IL1RL1 variant regulates corticosteroid-induced sST2 expression in ulcerative colitis 

      Díaz-Jiménez, D.; Núñez, L.; De La Fuente, M.; Dubois-Camacho, K.; Sepúlveda, H.; Montecino, M.; Torres-Riquelme, A.; García-González, P.; Chnaiderman, J.; Vossenkamper, A.; MacDonald, T.T.; Simian, D.; González, M.; Cidlowski, J.A.; Quera, R.; Hermoso, M.A. (Nature Publishing Group, 2017-12)
      The ST2/IL33 signalling pathway has been associated with ulcerative colitis (UC). ST2, encoded by the IL1RL1 gene, is expressed as both a membrane-anchored receptor (ST2L) activated by IL33 and as a soluble receptor (sST2) ...
    • A generalized operational formula based on total electronic densities to obtain 3D pictures of the dual descriptor to reveal nucleophilic and electrophilic sites accurately on closed-shell molecules 

      Martínez-Araya, Jorge I. (Scientific Research Publishing, 2016)
      By means of the conceptual density functional theory, the so-called dual descriptor (DD) has been adapted to be used in any closed-shell molecule that presents degeneracy in its frontier molecular orbitals. The latter is ...
    • A gravitationally lensed quasar discovered in OGLE 

      Kostrzewa-Rutkowska, Z.; Kozlowski, S.; Lemon, C.; Anguita, T.; Greiner, J.; Auger, M.W.; Wyrzykowski, L.; Apostolovski, Y.; Bolmer, J.; Udalski, A.; Szymański, M.K.; Soszyński, I.; Poleski, R.; Pietrukowicz, P.; Skowron, J.; Mróz, P.; Ulaczyk, K.; Pawlak, M. (Oxford University Press, 2018-05)
      We report the discovery of a new gravitationally lensed quasar (double) from the Optical Gravitational Lensing Experiment (OGLE) identified inside the ~670deg2 area encompassing the Magellanic Clouds. The source was selected ...
    • A HUBBLE DIAGRAM FROM TYPE II SUPERNOVAE BASED SOLELY ON PHOTOMETRY: THE PHOTOMETRIC COLOR METHOD 

      T. de Jaeger, S.; González-Gaitán, J. P.; Anderson, L.; Galbany, M.; Hamuy, M. M.; Phillips, M. D.; Stritzinger, C. P.; Gutiérrez, L.; Bolt, C. R.; Burns, A.; Campillay, S.; Castellón, C.; Contreras, G.; Folatelli, W. L.; Freedman, E. Y.; Hsiao, K.; Krisciunas, W.; Krzeminski, H.; Kuncarayakti, N.; Morrell, F.; Olivares E., F.; Persson, S. E.; Suntzeff, N. (IOP PUBLISHING, 2015-12)
      We present a Hubble diagram of SNe II using corrected magnitudes derived only from photometry, with no input of spectral information. We use a data set from the Carnegie Supernovae Project I for which optical and near-infrared ...
    • A la luz del cultivo : caso : nuevo modo de cultivo del lilium oriental 

      Castro Bascuñan De, Verónica (Universidad Andrés Bello, 2006)
      El sol es una fuente inagotable de energía la cual es utilizada por los seres vivos para vivir. Cada ser vivo requiere diferentes cantidades de esta fuente de luz para su completo desarrollo. Dentro de los seres vivos se ...