Artículos de revistas: Recent submissions

Now showing items 441-460 of 7550

    • Exploration of sedimentary deposits in the Atacama Desert, Chile, using integrated geophysical techniques 
      Blanco Arrué, B.; Yogeshwar, P.; Tezkan, B.; Morbe, W.; Díaz Alvarado, Daniel; Farah Celis, Borja; Buske, S.; Ninneman, L.; Domagala, J. P.; Diederich-Leicher, J. L.; Gebhardtf, A. C.; Wennrich, V. (Elsevier, 2022)
      The Atacama Desert is a unique landscape to understand the evolution of the Earth in extremely arid environments. Clay pans are crucial to comprehend the surface and subsurface processes in areas limited by water availability. ...
    • Numerical micro-texture optimization for lubricated contacts — a critical discussion 
      Marian, Max; Almqvist, Andreas; Rosenkranz, Andreas; Fillon, Michel (Springer, 2022)
      Despite numerous experimental and theoretical studies reported in the literature, surface micro-texturing to control friction and wear in lubricated tribo-contacts is still in the trial-and-error phase. The tribological ...
    • Improvement of thermal stability of highly active species on SiO2 supported copper-ceria catalysts 
      Águila, Gonzalo; Calle Chumo, Rafael Norberto; Guerrero, Sichem; Baeza, Patricio; Araya Figueroa, Paulo Enrique (Royal Soc Chemistry, Englandroyal so, 2021)
      CuO–CeO2/SiO2 catalysts lose activity when they are calcined at 600 C and temperatures above. This loss of activity was related to a decrease in the amount of highly dispersed Cu species interacting with Ce (CuO– CeO2 ...
    • High‑strength reinforcing steel bars: low cycle fatigue behavior using RGB methodology 
      Egger, Jorge E.; Rojas Barrales, Fabián Rodolfo; Massone Sánchez, Leonardo Maximiliano (Springer, 2021)
      Low cycle fatigue life of high-strength reinforcing steel bars (ASTM A706 Grade 80), using photogrammetry by RGB methodology is evaluated. Fatigue tests are performed on specimens under constant axial displacement with ...
    • High-frequency variability of the surface ocean properties off central Chile during the upwelling season 
      Aguirre, Catalina; Garreaud Salazar, René Darío; Belmar, Lucy; Farías, Laura; Ramajo, Laura; Barrera, Facundo (Frontiers Media, 2021)
      The ocean off south-central Chile is subject to seasonal upwelling whose intensity is mainly controlled by the latitudinal migration of the southeast Pacific subtropical anticyclone. During austral spring and summer, the ...
    • High- and low-latitude forcings drive Atacama desert rainfall variations over the past 16,000 years 
      González Pinilla, Francisco J.; Latorre, Claudio; Rojas Corradi, María Heloísa Juana; Houston, John; Rocuant, M. Ignacia; Maldonado, Antonio; Santoro, Calogero M.; Quade, Jay; Betancourt, Julio L. (Amer Assoc Advancement Science, 2021)
      Late Quaternary precipitation dynamics in the central Andes have been linked to both high- and low-latitude atmospheric teleconnections. We use present-day relationships between fecal pellet diameters from ashy chinchilla rats ...
    • Formation of giant iron oxide-copper-gold deposits by superimposed, episodic hydrothermal pulses 
      Real, Irene del; Reich Morales, Martín Herbert; Simon, Adam C.; Deditius, Artur; Barra Pantoja, Luis Fernando; Rodríguez Mustafa, María A.; Thompson, John F. H.; Roberts, Malcolm P. (Springernature, England, 2021)
      The Candelaria iron oxide-copper-gold deposit in Chile was formed by superimposed, episodic hydrothermal pulses with contrasting composition and temperature, according to micro-textural and compositional variations in ...
    • Wellbeing of school communities in the context of COVID-19 pandemic: a qualitative study in Chilean Low-SES Schools 
      López, Verónica; Ramírez, Lorena; López Concha, Romina; Ascorra, Paula; Álvarez, Juan Pablo; Carrasco Aguilar, Claudia; Jervis Ortiz, Pamela; Squicciarini, Ana María; Simonsohn, Ariela; Contreras, Tabata; Opazo, Héctor (Frontiers Media, 2022)
      The COVID-19 pandemic continues to impact schools and how education is conveyed to students. One of the aspects that has gained strength is supporting the wellbeing of educational communities. The purpose of this study was ...
    • Correction: Paccha-Herrera et al. thermal modeling approaches for a licoo2 lithium-ion battery—a comparative ... 
      Paccha Herrera, Edwin Bladimir; Calderón Muñoz, Williams Rodrigo; Orchard, Marcos; Jaramillo, Francisco; Medjaher, Kamal (MDPI, 2021)
    • Powering nodes of wireless sensor networks with energy harvesters for intelligent buildings: a review 
      Hidalgo León, Rubén; Urquizo, Javier; Silva, Christian E.; Silva León, Jorge; Wu, Jinsong; Singh, Pritpal; Soriano, Guillermo (Elsevier, 2022)
      Intelligent buildings play a fundamental role in achieving efficient energy management in the building sector in many countries worldwide. Improving energy consumption within a building can represent significant financial ...
    • Autonomous loading system for load-haul-dump (LHD) machines used in underground mining 
      Tampier Cotoras, Carlos Andrés; Mascaró, Mauricio; Ruiz del Solar San Martín, Javier (MDPI, 2021)
      This paper describes an autonomous loading system for load-haul-dump (LHD) machines used in underground mining. The loading of fragmented rocks from draw points is a complex task due to many factors including: bucket-rock ...
    • Kernel learning for robust dynamic mode decomposition: linear and nonlinear disambiguation optimization 
      Baddoo, Peter J.; Herrmann Priesnitz, Benjamín; McKeon, Beverley J.; Brunton, Steven L. (Royal Soc Chemistry, 2022)
      Research in modern data-driven dynamical systems is typically focused on the three key challenges of high dimensionality, unknown dynamics and nonlinearity. The dynamic mode decomposition (DMD) has emerged as a cornerstone ...
    • Plausible sealing for gradual parametricity 
      Labrada Deniz, Elizabeth; Toro Ipinza, Matías; Tanter, Eric Pierre; Devriese, Dominique (Assoc Computing Machinery, 2022)
      Graduality and parametricity have proven to be extremely challenging notions to bring together. Intuitively, enforcing parametricity gradually requires possibly sealing values in order to detect violations of uniform ...
    • Introducing MACEDA: new micro-data on an indigenous self-determination conflict 
      Cayul, Pedro; Corvalán Aguilar, Alejandro Felipe; Jaimovich, Dany; Pazzona, Matteo (Sage, 2022)
      This article introduces MACEDA, a micro-level data set on the self-determination (SD) conflict between the Chilean state and the indigenous Mapuche. Although SD disputes are one of the most common conflicts in the world, ...
    • The environmental geochemical baseline, background and sources of metal and metalloids present in urban, ... 
      Valdés Durán, Ana Verónica; Aliaga, Guillermo; Deckart, Katja; Karas, Cyrus; Cáceres Lillo, Dante Daniel; Nario Mouat, María Adriana (Springer, 2021)
      The importance of environmental geochemistry baseline in soils of O ' Higgins Region, Chile, since it hosts in its eastern area one of the major Cu-Mo producing mines in the country, is to establish and explain relationships ...
    • Stability and applications of multi-order fractional systems 
      Gallegos, Javier (Amer Inst MathematicaL Sciences-Aims, 2021)
      This paper establishes conditions for global/local robust asymptotic stability for a class of multi-order nonlinear fractional systems consisting of a linear part plus a global/local Lipschitz nonlinear term. The ...
    • Soot volume fraction measurements by auto-compensating laser-induced incandescence in diffusion flames ... 
      Cruz, Juan J.; Verdugo, Ignacio; Gutiérrez Cáceres, Nicolás Luis; Escudero, Felipe; Demarco, Rodrigo; Liu, Fengshan; Yon, Jérôme; Chen, Dongping; Fuentes, Andrés (Frontiers Media, 2021)
      The main characteristics of pool fire flames are flame height, air entrainment, pulsation of the flame, formation and properties of soot particles, mass burning rate, radiation feedback to the pool surface, and the amount ...
    • Strain induced localization to delocalization transition on a Lieb photonic ribbon lattice 
      Román Cortés, Diego Antonio; Fadic Repetto, Guillermo José; Cid Lara, Christofer Alexis; Guzmán Silva, Diego; Real, Bastián; Vicencio Poblete, Rodrigo Andrés (Nature, 2021)
      Ribbon lattices are kind of transition systems in between one and two dimensions, and their study is crucial to understand the origin of different emerging properties. In this work, we study a Lieb ribbon lattice and the ...
    • Stacked T‑shaped strips compact antenna for WLAN and WiMAX applications 
      Karthikeyan, M.; Sitharthan, R.; Ali, Tanweer; Pathan, Sameena; Anguera, Jaume; Sundar Dhanabalan, Shanmuga (Springer, 2022)
      A compact triple band antenna with stacked T-shaped strips inside a rectangular ring monopole has been proposed. This novel structure with a slot in the defected ground achieves triple band opration i.e. 2.47–2.77 GHz, ...
    • ARIADNE: measuring accurate and precise stellar parameters through SED fitting 
      Vines, Jose (Oxford, 2022)
      Accurately measuring stellar parameters is a key goal to increase our understanding of the observable universe. However, current methods are limited by many factors, in particular, the biases and physical assumptions ...