Browsing by Title Artículos de revistas

Now showing items 7333-7352 of 7549

    • Using the local gas-phase oxygen abundances to explore a metallicity dependence in SNe Ia luminosities 
      Moreno Raya, M. E.; López Sánchez, Ángel R.; Molla, M.; Galbany, Lluis (2016)
      We present an analysis of the gas-phase oxygen abundances of a sample of 28 galaxies in the local Universe (z < 0.02) hosting Type Ia supernovae (SNe Ia). The data were obtained with the 4.2 m William Herschel Telescope. ...
    • Using the Weather Research and Forecasting (WRF) model for precipitation forecasting in an Andean region ... 
      Yáñez-Morroni, Gonzalo; Gironás, Jorge; Caneo, Marta; Delgado, Rodrigo; Garreaud Salazar, René (MDPI AG, 2018)
      The Weather Research and Forecasting (WRF) model has been successfully used in weather prediction, but its ability to simulate precipitation over areas with complex topography is not optimal. Consequently, WRF has problems ...
    • The UVES large program for testing fundamental physics – II. Constraints on a change in μ towards quasar ... 
      Rahmani, Hadi.; Wend, Martin; Srianand, Raghunathan; Noterdaeme, Pasquier; Petitjean, Patrick; Molaro, Paolo; Whitmore, Jonathan; Murphy, Michael; Centurion, M.; Fathivavsari, Hassan; D'Odorico, Sandro; Evans, Tyler; Levshakov, Sergei Anatolievich; López Morales, Sebastián; Martins, C. J. A. P.; Reimers, D.; Vladilo, Giovanni (Royal Astronomical of Society, 2013-08-22)
      We present an accurate analysis of the H2 absorption lines from the zabs ˜ 2.4018 damped Lyα system towards HE 0027-1836 observed with the Very Large Telescope Ultraviolet and Visual Echelle Spectrograph (VLT/UVES) as a ...
    • U–Pb SHRIMP detrital zircon dating of metamorphic rocks in north–central Chile (28°–33°S): Evidence for ... 
      Hervé Allamand, Francisco; Calderón, M.; Fanning, C. M.; Pankhurst, R. J.; Navarro, J. (Elsevier, 2020)
      U-Pb SHRIMP detrital zircon dating of ten samples of metamorphic "basement" rocks in north-central Chile and one granitic rock, improve knowledge of sedimentary, metamorphic and plutonic events in this segment of the Andean ...
    • Vagueness in multidimensional proposals 
      Zhang, Qiaoxi (Elsevier, 2020)
      This paper studies how agents choose to be vague in their proposals in a delegation environment. Two agents compete for the approval of a decision maker to implement a multidimensional action. Based on their knowledge of ...
    • Valadier-like formulas for the supremum function I 
      Correa, R.; Hantoute, A.; López-Cerdá, Marco (Heldermann Verlag, 2018)
      We generalize and improve the original characterization given by Valadier [18, Theorem 1] of the subdifferential of the pointwise supremum of convex functions, involving the subdifferentials of the data functions at nearby ...
    • Valadier-like Formulas for the Supremum Function II: The compactly indexed case 
      Correa, R.; Hantoute, A.; López, M. (Heldermann Verlag, 2017)
      Continuing with the work on the subdifferential of the pointwise supremum of convex functions, started in Valadier-like formulas for the supremum function I [3], we focus now on the compactly indexed case. We assume that ...
    • VALES I: the molecular gas content in star-forming dusty H-ATLAS galaxies up to z=0.35 
      Villanueva, V.; Ibar, E.; Hughes, T. M.; Lara López, M. A.; Molina, J. (Oxford University Press, 2017)
      We present an extragalactic survey using observations from the Atacama Large Millimeter/ submillimeter Array (ALMA) to characterize galaxy populations up to z = 0.35: the Valparaiso ALMA Line Emission Survey (VALES). We ...
    • VALES V: A kinematic analysis of the molecular gas content in H-ATLAS galaxies at z ~ 0.03-0.35 using ALMA 
      Molina, J.; Ibar, Edo; Villanueva, V.; Escala, A.; Cheng, C.; Baes, M.; Messias, H.; Yang, C.; Bauer, F. E.; van der Werf,; Leiton, R.; Aravena, M.; Swinbank, A. M.; Michalowski, M. J.; Muñoz-Arancibia, A. M.; Orellana, G.; Hughes, T. M.; Farrah, D.; De Zotti, G.; Lara-Lóp (Oxford University Press, 2019)
      © 2018 The Author(s). Published by Oxford University Press on behalf of the Royal Astronomical Society.We present Atacama Large Millimeter/submillimeter Array (ALMA) resolved observations of molecular gas in galaxies up ...
    • Vales. VII. Molecular and ionized gas properties in the pressure balanced interstellar medium of starburst ... 
      Molina, Juan; Ibar, Edo; Godoy, Nicolás; Escala Astorquiza, Andrés; Michiyama, Tomonari; Cheng, Cheng; Hughes, Thomas M.; Baes, Maarten; Xue, Yongquan; Michalowski, Michal J.; Van der Werf, Paul; Jiang, Xue-Jian (EDP Sciences, 2020)
      Context. Spatially resolved observations of the ionized and molecular gas are critical for understanding the physical processes that govern the interstellar medium (ISM) in galaxies. The observation of starburst systems ...
    • Validating the Fisher approach for stage IV spectroscopic surveys 
      Yahia Cherif, S.; Blanchard, A.; Camera, S.; Casas, S.; Ilic, S.; Markovic, K.; Pourtsidou, A.; Sakr, Z.; Sapone, Doménico; Tutusaus, I. (EDP Sciences S A, 2021)
      In recent years, forecasting activities have become an important tool in designing and optimising large-scale structure surveys. To predict the performance of such surveys, the Fisher matrix formalism is frequently used ...
    • Validating travel behavior estimated from smartcard data 
      Munizaga Muñoz, Marcela; Devillaine, Flavio; Navarrete, Claudio; Silva, Diego (Elsevier, 2014)
      In this paper, we present a validation of public transport origin–destination (OD) matrices obtained from smartcard and GPS data. These matrices are very valuable for management and planning but have not been validated ...
    • Validation of 4D flow based relative pressure maps in aortic flows 
      Nolte, David Julian; Urbina, Jesus; Sotelo, Julio; Sok, Leo; Montalba, Cristian; Valverde, Israel; Osses, Axel; Uribe, Sergio; Bertoglio Beltrán, Cristóbal Andrés (Elsevier, 2021)
      While the clinical gold standard for pressure difference measurements is invasive catheterization, 4D Flow MRI is a promising tool for enabling a non-invasive quantification, by linking highly spatially resolved ve- locity ...
    • Validation of a reading attitudes survey in primary students Validacion de una Encuesta de Actitudes de ... 
      Fuentes, Liliana; Errazuriz, Maria Constanza; Davison, Omar Antonio; Cocio, Andrea (Universidad Catolica Silva Henriquez, 2019)
      The reading attitudes of primary students have proven to be relevant in their reading performance, so measuring them is fundamental to raise the level. The objective of this study was to validate and adapt the instrument ...
    • A validation of the construct and reliability of an emotional intelligence scale applied to nursing students 
      Espinoza Venegas, Maritza; Sanhueza Alvarado, Olivia; Ramírez Elizondo, Noé; Sáez Carrillo, Katia (Univ Sao Paulo, 2015)
      The current study aimed to validate the construct and reliability of an emotional intelligence scale. Method: The Trait Meta-Mood Scale-24 was applied to 349 nursing students. The process included content validation, which ...
    • Validity and reliability of the Neighborhood Walkability Scale Abbreviated (NEWS-A) in elderly people of ... 
      Bailey-Catalán, Christine; Sánchez, Ximena; Arcos, Estela; Miranda, Rafael; Cea, Ximena; Morgado, Gabriela (Elsevier Ltd, 2019)
      Ageing in place is related to the ability of seniors to perform daily activities autonomously in interaction with their physical and social environment. This case study presents the validation of the Neighborhood Environment ...
    • Valuation of sitting and standing in metro trains using revealed preferences 
      Tirachini Hernández, Alejandro; Sun, Lijun; Erath, Alexander; Chakirov, Artem (Elsevier, 2016)
      The estimation of differences in the value of in-vehicle time sitting and standing is usually made with stated choice (SC) data, partly due to the lack of revealed preference data. In this paper, we use the observed behaviour ...
    • Value added taxes (VAT) on the food of the family basket in Colombia, project of law 197 of 2018 Impuesto ... 
      Arana, Sandra López; Ospina, Ángela Marcela Jaramillo; Castro, Martha Alicia Cadavid; Charry, Diego Alejandro Gaitán; Álvarez, Luz Stella; Álvarez, Julia María Monsalve; Matamoros, Sara Eloisa Del Castillo (Sociedad Chilena de Nutricion Bromatologia y Toxilogica, 2019)
    • Value of corrective network security for distributed energy storage applications 
      Moreira, Roberto; Moreno Vieyra, Rodrigo; Strbac, Goran (Inst Engineering Technology -IET, 2016)
      Energy storage can provide services to several sectors in electricity industry, including generation, transmission and distribution, where conflicts and synergies may arise when storage is used to manage network congestion ...
    • Values related to professionalism in dental education at the University of Chile: Student and faculty perceptions 
      Alcota, Marcela; Manríquez, José M.; Cornejo-Ovalle, Marco; Salinas, Juan C.; Catano, Victor M.; Ruiz de Gauna, Pilar; González, Fermín E. (Blackwell Publishing Ltd, 2019)
      Objective: It is recognised that professionalism should play a central role in dental education. However, its implementation into the curricula of dental schools is still limited. Our objective was to identify the main ...