Browsing by Title Artículos de revistas
Now showing items 5242-5261 of 7543
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(Elsevier, 2016)Monte Carlo simulations for the productivity and order of the PROX/copper-ceria catalyst reaction with different superficial %Cu are made. The results are correlated with the behavior of the different surface species (CO, ...
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(SPRINGER, 2008-09)The objective of this research is to measure productivity changes in cargo handling operations in Spanish ports. By means of Data Envelopment Analysis and the calculation of the Malmquist indices we have decomposed those ...
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(Springer-Verlag Wien, 2017)Block caving mining is one of the most cost-effective underground mining methods. The method has particular relevance in the Chilean mining industry, where approximately 40% of the Chilean national copper production comes ...
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(Wiley, 2018)We address the question of mean biomass volumetric productivity optimization, which originates from the simplification of dynamics of microalgae in a batch bioreactor processwith light incidence. In particular, the ...
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(Servicio Nacional Geología Minerva, 2020)
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(ELSEVIER, 2008-08)Airy waves have a sinusoidal profile in deep water that can be modeled by a time series at any point x and time t, given by eta(x,t)=(H-o/2) cos[2 pi x/L-o-2 pi t/T-w], where H-o is the deepwater height, L-o is the deepwater ...
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(Elsevier, 2020)In this paper, we propose three novel profit-driven strategies for churn prediction. Our proposals extend the ideas of the Minimax Probability Machine, a robust optimization approach for binary classification that maximizes ...
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(Elsevier, 2015)Churn prediction is an important application of classification models that identify those customers most likely to attrite based on their respective characteristics described by e.g. socio-demographic and behavioral ...
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(WILEY-BLACKWELL, 2012-08)Using Ha emission as a tracer of ongoing (<16 Myr old) and near-ultraviolet (UV) emission as a tracer of recent (16100 Myr old) star formation, we present constraints on the properties of core-collapse (CC) supernova (SN) ...
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(IOP Publishing, 2015)Hubble Space Telescope observations of the site of the supernova (SN) SN 2008ax obtained in 2011 and 2013 reveal that the possible progenitor object detected in pre-explosion images was in fact multiple. Four point sources ...
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(EDP Science, 2020)Context. The progenitor and explosion properties of type II supernovae (SNe II) are fundamental to understanding the evolution of massive stars. Particular attention has been paid to the initial masses of their progenitors, ...
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(Oxford University Press, 2018)The progenitors of low-luminosity Type II-Plateau supernovae (SNe II-P) are believed to be red supergiant (RSG) stars, but there is much disparity in the literature concerning their mass at core collapse and therefore on ...
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(Springer, 2020)The large-scale polarization explorer (LSPE) is a cosmology program for the measurement of large-scale curl-like features (B-modes) in the polarization of the cosmic microwave background. Its goal is to constrain the ...
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(Copernicus, 2021)A decade-long (2010-2020) period with precipitation deficits in central-south Chile (30-41 degrees S), the so-called megadrought (MD), has led to streamflow depletions of larger amplitude than expected from precipitation ...
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(Pontificia Universidad Catolica de Chile, Escuela de Construccion Civil, 2019)As part of the Fondef D09I1058 project, an emergency housing solution was developed and five prototypes constructed. The prototypes solved mechanical, thermal, water tightness and airtightness problems common to emergency ...
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(2015)The hydrological discharge (HD) model of Max Planck Institute for Meteorology is forced by a variety of climate model datasets to investigate the future of discharge in the Euphrates−Tigris Basin. The data include daily ...
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(Nature Publishing Group, 2015)The vulnerability of Amazonian rainforest, and the ecological services it provides, depends on an adequate supply of dry-season water, either as precipitation or stored soil moisture. How the rain-bearing South American ...
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(2010)In this paper we present an extendible, block gluing Z3 shift of finite type Wel in which the topological entropy equals the L-projectional entropy for a two-dimensional sublattice L Z3, even so Wel is not a full ...
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(Springer, 2017)Teaching and learning in most current university lectures has remained unchanged for centuries and nowadays, large lecture classes are a fact at universities. Technologies such as Classroom Response Systems have been ...
