Now showing items 1-20 of 18057

    • 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 ...
    • 1994, el cambio de presentación del diario Las Ultimas Noticias 

      Mery J., Cecilia; Varela P., Carolina (Universidad Andrés Bello, 1996)
      La permanente necesidad del hombre de establecer contacto con sus pares e intercambiar hechos y experiencias que le sirvieran para su sobrevivencia, marcó desde el inicio la importancia de la comunicación. Así fue como ...
    • 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 ...
    • Los 5 períodos del Diario La Segunda : 67 años de historia 

      Parodi S., Mariella; Mühlenbrock G., María José von (Universidad Andrés Bello, 1999)
      A continuación presentamos nuestra memoria, cuyo objetivo es mostrar la historia del vespertino más importante que ha tenido nuestro país. Para ello, resumimos 67 años de historia, hitos y acontecimientos en estas ...
    • 50 Years of Cetacean Strandings Reveal a Concerning Rise in Chilean Patagonia 

      Alvarado-Rybak M.; Toro F.; Escobar-Dodero J.; Kinsley A.C.; Sepúlveda M.A.; Capella J.; Azat C.; Cortés-Hinojosa G.; Zimin-Veselkoff N.; Mardones F.O. (Nature Research, 2020-12)
      Cetacean strandings (CS) have been reported in increasing numbers in coastal areas worldwide. Although the causes of these strandings are unknown, a number of anthropogenic and environmental factors have been suggested. ...
    • 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 cell surface arabinogalactan-peptide influences root hair cell fate 

      Borassi, C.; Gloazzo Dorosz, J.; Ricardi, M.M.; Carignani Sardoy, M.; Pol Fachin, L.; Marzol E.; Mangano, S.; Rodríguez Garcia, D.R.; Martínez Pacheco, J.; Rondón Guerrero, Y.D.C.; Velasquez, S.M.; Villavicencio, B. (Blackwell Publishing Ltd, 2020-08)
      Root hairs (RHs) develop from specialized epidermal trichoblast cells, whereas epidermal cells that lack RHs are known as atrichoblasts. The mechanism controlling RH cell fate is only partially understood. RH cell fate is ...
    • 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 close coupling study of the bending relaxation of H2O by collision with He 

      Stoecklin, T.; Cabrera-González, L.D.; Denis-Alpizar, O.; Páez-Hernández, D. (American Institute of Physics Inc., 2021-04)
      We present a close coupling study of the bending relaxation of H2O by collision with He, taking explicitly into account the bending-rotation coupling within the rigid-bender close-coupling method. A 4D potential energy ...
    • A CO molecular gas wind 340 pc away from the Seyfert 2 nucleus in ESO 420-G13 probes an elusive radio jet 

      Fernández-Ontiveros, J.; Dasyra, K.; Hatziminaoglou, E.; Malkan, M.; Pereira-Santaella, M.; Papachristou, M.; Spinoglio, L.; Combes, F.; Aalto, S.; Nagar, N.; Imanishi, M.; Andreani, P.; Ricci, C.; Slater, R. (EDP Sciences, 2020)
      A prominent jet-driven outflow of CO(2-1) molecular gas is found along the kinematic minor axis of the Seyfert 2 galaxy ESO 420-G13, at a distance of 340-600  pc from the nucleus. The wind morphology resembles the ...
    • A comparative study of classroom environment of EFL classrooms in Santiago, Chile. 

      Alcaíno, Jacqueline; Casanova, Carlos; Córdova, Juan Ignacio; Fontana, Sofía; Giuliani, Fabrizzio; Riquelme, Paulina (Universidad Andrés Bello, 2010)
      This thesis is a descriptive, non-experimental, and longitudinal study which explores classroom climate of tour year-seven classrooms, all in different private school in Santiago, Chile. The study describes the climates ...
    • A comparison between teachers' and students' perception of oral corrective feedback 

      Aguila Aguila, Daniela; Fuenzalida Maureira, Arturo; Pereira Merino, Marta; Ubeda Cabrera, Mauricio; Venegas Parra, Natalia (Universidad Andrés Bello, 2009)
      Las prácticas de corrección y retroalimentación utilizadas por educadores del idioma Inglés son uno de los elementos más relevantes en el proceso de aprendizaje de este idioma por parte de los estudiantes. Por esta razón, ...
    • A comparison of native and non-native english speaker teachers about young language leaners' oral production assessment 

      Pantoja Silva, Mariela (Universidad Andrés Bello, 2013)
      The teaching of English language has become a major subject in today‟s society. With the rapid spread of English for commercial and economic purposes, English has turned into the language of the world. Teaching a foreign ...
    • A comparison of oral evaluation rating by native English speaker teachers and non-native, English speaker teachers: a small scale research-based study 

      Baitman, Brittany (Universidad Andrés Bello, 2011)
      This study attempts to explore the differences and similarities between native English speaker (NES) teachers and non-native English speaker (NNES) teachers in their oral evaluation ratings ofthe same university level ...