Browsing by Title Artículos de revistas

Now showing items 2765-2784 of 7549

    • Forecasting key retail performance indicators using interpretable regression 
      Panay Schweizer, Belisario; Baloian Tataryan, Nelson; Pino Urtubia, José Alberto; Peñafiel, Sergio; Frez, Jonathan; Fuenzalida, Cristóbal; Sansón, Horacio; Zurita Alarcón, Gustavo Nyles (MDPI, 2021)
      Foot traffic, conversion rate, and total sales during a period of time may be considered to be important indicators of store performance. Forecasting them may allow for business managers plan stores operation in the near ...
    • Forecasting the grade-tonnage curves and their uncertainty at the Mehdiabad deposit-Yazd, central Iran 
      Hosseini, S. A.; Asghari, O.; Emery, Xavier; Maleki, M. (OGS, Istituto Nazionale di Oceanografia e Geofisica Sperimentale, 2017)
      The Mehdiabad complex deposit is located 116 km SE of Yazd, in the structural zone of central Iran. At this deposit, important decisions are often based on the grades of multiple elements (zinc, lead, and silver). In ...
    • Forecasting the northern African dust outbreak towards Europe in April 2011: a model intercomparison 
      Huneeus Lagos, Nicolás; Basart, S.; Fiedler, S.; Morcrette, J. -J.; Benedetti, A.; Mulcahy, J.; Terradellas, E.; García Pando, C.; Pejanovic, G.; Nickovic, S.; Arsenovic, P.; Schulz, M.; Cuevas, E.; Baldasano, J. M.; Pey, J.; Remy, S.; Cvetkovic, B. (European Geosciences Union, 2016)
      In the framework of the World Meteorological Organisation's Sand and Dust Storm Warning Advisory and Assessment System, we evaluated the predictions of five state-of-the-art dust forecast models during an intense Saharan ...
    • Forest browning trends in response to drought in a highly threatened mediterranean landscape of South America 
      Miranda Cerpa, Alejandro; Lara, Antonio; Altamirano, Adison; Di Bella, Carlos; González, Mauro E.; Camarero, Jesús Julio (Elsevier, 2020)
      Deforestation is widely studied throughout the world. However, a less evident issue is the effect of climate change and drought on remnants of native forests. The objective of this work was to understand the geographic ...
    • Foreword to the special issue for the 14th Pan-American Congress of Applied Mechanics 
      Bustamante Plaza, Roger; Frederick González, Ramón; Dorfmann, Luis (Springer, 2016)
    • Formación de profesores de física en Chile: realidad y desafíos 
      Hernández Silva, Carla; Gómez Martínez, Yadrán; Ruz López, Damián; Silva Ugalde, Mauricio; Tecpan Flores, Silvia (Univ. Autónoma Baja California, 2020)
      The lack of physics teachers in Chile has been a cause for concern for the last 15 years. This study aims to identify and describe the key features of current physics teacher training programs in universities in the Council ...
    • Formal aspects of querying RDF databases 
      Gutiérrez Gallardo, Claudio; Hurtado Larraín, Carlos; Mendelzon, Alberto O. (2014-01-09)
      We study formal aspects of querying databases containing RDF data. We present a formal definition of a query language for RDF and compare it with other proposals. Our language is intended to make it easy to formalize ...
    • Formal Verification of Distributed System Using an Executable C Model 
      Cifuentes, F.; Bustos, J.; Simmonds Wagemann, Jocelyn Paola (2016)
      Formal verification means to rigorously explore the correctness of system designs expressed as mathematical models, most likely with the assistance of modern computers. Original approaches were to model and express a ...
    • Formation and preservation of microbial palisade fabric in silica deposits from El tatio, Chile 
      Gong, J; Myers, KD; Munoz-Saez, C; Homann, M; Rouillard, J; Wirth, R; Schreiber, A; van Zuilen, MA (Mary Ann Liebert Inc.info@liebertpub.com, 2020)
    • 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 ...
    • Formation of granular jets observed by high-speed X-ray radiography 
      Royer, John R.; Corwin, Eric I.; Flior, Andrew; Cordero Garayar, María Luisa; Rivers, Mark L.; Eng, Peter J.; Jaeger, Heinrich M. (NATURE PUBLISHING GROUP, 2005-12)
      When a heavy sphere is dropped onto a bed of loose, fine sand, a remarkable phenomenon occurs: a large, focused jet of sand shoots upwards(1-4). Although similar looking jets are observed on impact in fluid systems(5-7), ...
    • FORMATION OF HIERARCHICAL CUO NANOWIRES ON A COPPER SURFACE VIA A ROOM-TEMPERATURE SOLUTION-IMMERSION PROCESS 
      Fuentes, S.; Zárate Aliaga, Ramón; Muñoz, P.; Díaz Droguett, Donovan Enrique (2010)
      CuO nanowires were successfully made through a simple wet chemical method at room temperature by immersing on copper sheets in a 4 M ammonia solution for 4 days and then subjecting it to heat treatment. Immersion time and ...
    • Formation of hydrocarbon gaseous compounds during bioleaching of copper sulphide minerals with mesophilic ... 
      Luca, R.; Townley Callejas, Brian; Escobar Miguel, Blanca; Vargas Valero, Tomás (ELSEVIER, 2008-11)
      An experimental study was conducted for assessing the formation of hydrocarbon gaseous compounds during bioleaching of copper sulphide ores with mesophilic microorganisms. Three different mineral samples were used: a pyrite ...
    • Formation of self-assembled monolayer of curcuminoid molecules on gold surfaces 
      Berlanga Mora, Isadora; Etcheverry Berríos, Álvaro; Mella, Andy; Jullian, Domingo; Gómez, Victoria Alejandra; Aliaga Alcalde, Núria; Fuenzalida Escobar, Víctor; Flores Carrasco, Marcos; Soler Jauma, Mónica (Elsevier, 2017)
      We investigated the formation of self-assembled monolayers of two thiophene curcuminoid molecules, 2-thphCCM (1) and 3-thphCCM (2), on polycrystalline gold substrates prepared by immersion of the surfaces in a solution of ...
    • Formation of the Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile: insights from Fe and O stable ... 
      Childress, Tristan M.; Simon, Adam C.; Reich Morales, Martín; Barra Pantoja, Fernando; Arce, Mauricio; Lundstrom, Craig C.; Bindeman, Ilya N. (Springer, 2020)
      The Mantoverde iron oxide-copper-gold (IOCG) deposit, Chile, contains hundreds of millions of tonnes (Mt) of mineable iron oxide and copper sulfide ore. While there is an agreement that mineralization at Mantoverde was ...
    • Formation pathways of complex organic molecules: OH center dot projectile colliding with methanol ice mantle ... 
      Inostroza Pino, Natalia; Mardones Pérez, Diego; Ge, Jixing J. X.; MacLeod-Carey, Desmond (EDP Science, 2020)
      In this article, we simulated the collisions of an OH center dot projectile impacting on a methanol cluster formed by ten units of methanol to mimic an ice mantle (CH3OH)(10). The chemical processes occurring after the ...
    • A formulation of the wide partition conjecture using the atom problem in discrete tomography 
      Guíñez, Flavio (Elsevier, 2014)
      The Wide Partition Conjecture (WPC) was introduced by Chow and Taylor as an attempt to prove inductively Rota's Basis Conjecture, and in the simplest case tries to characterize partitions whose Young diagram admits a "Latin" ...
    • Formule d’Itô pour des diffusions uniformément elliptiques, et processus de Dirichlet 
      Dupoiron, K.; Mathieu, P.; San Matín, J. (2004)
      Soit X une diffusion uniformément elliptique sur Rd, F une fonction dans H1 loc(Rd ) et ν la loi initiale de la diffusion. On montre que si l’intégrale |∇F|2(x)Uν(x) dx est finie, où Uν désigne le potentiel de la ...
    • Forty years of Safety Science: A bibliometric overview 
      Merigó Lindahl, José; Miranda, Jaime; Modak, Nikunja Mohan; Boustras, Georgios; de la Sotta, Catalina (Elsevier B.V., 2019)
      Safety Science was established in 1976 as the Journal of Occupational Accidents. Safety Science was established with the vision of promoting multidisciplinary research in the science and technology of human and industrial ...
    • Forward-backward approximation of evolution equations in finite and infinite horizon 
      Contreras, Andrés; Peypouquet Urbaneja, Juan Gabriel (Amer Inst Mathematical Sciences-Aims, 2021)
      This research is concerned with evolution equations and their forward-backward discretizations. Our rst contribution is an estimation for the distance between iterates of sequences generated by forward-backward schemes, ...