Facultad de Ciencias Físicas y Matemáticas: Recent submissions
Now showing items 7521-7540 of 21861
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(Universidad de la Frontera, 2019)The island of Rapa Nui, also called Té Hé Pito o Té Henúa or the navel of the world, is home to one of the, until recently, most isolated and enigmatic villages of the world, with their ancestral customs characterized by ...
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(BioMed Central Ltd., 2019)Background: Amyotrophic lateral sclerosis (ALS) is a multifactorial fatal motoneuron disease without a cure. Ten percent of ALS cases can be pointed to a clear genetic cause, while the remaining 90% is classified as sporadic. ...
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(Elsevier B.V., 2019)In this work, the influence of the C 12 -, C 14 -, and C 16 -alkyl chain derivatives of 1-alkyl-3-methyl-imidazole tetrafluoroborate over the hydrolisis of p-nitrophenyl trimethylacetate catalyzed by α-chymotrypsin was ...
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(Saned, 2019)En los servicios de urgencias hospitalarios (SUH), la incidencia y la prevalencia de la sepsis dependen de las definiciones y registros que se utilicen. Además, en general existe un infradiagnostico. Un grupo internacional ...
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(Wiley-VCH Verlag, 2019)By using cosmological hydrodynamic simulations, we have studied how supernovae (SNe) and active galactic nuclei (AGN) feedback affect the mass transport (MT) process in high-redshift (z ∼ 6) galaxies and what the consequence ...
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(Institute of Physics Publishing, 2019)We report the first results from particle-in-cell simulations of the fast-growing aperiodic electron firehose instability driven by the anisotropic bi-Kappa distributed electrons. Such electrons characterize space plasmas, ...
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(Taylor and Francis Inc., 2019)Polyphenol profiles were characterized in extracts of three Chilean brown seaweeds, Durvillaea antarctica (Chamisso) Hariot, Lessonia spicata (Suhr) Santelices, and Macrocystis integrifolia (Bory) by liquid chromatography ...
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(John Wiley and Sons Ltd, 2019)Phyllosphere bacteria have received little attention despite their important roles in shaping plant performance traits. In this study, we characterize the bacterial communities on leaves of native trees inhabiting ...
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(Ediciones Doyma, S.L., 2019)
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(Elsevier B.V., 2019)Natural regeneration has been proposed as a cost-effective forest restoration approach for both small and large-scale initiatives. However, attributes for assessing the success of forest restoration through natural ...
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(Wiley-Blackwell Publishing Ltd, 2019)Parkinson's disease is the second most common neurodegenerative disorder, leading to the progressive decline of motor control due to the loss of dopaminergic neurons in the substantia nigra pars compacta. At the molecular ...
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(Institute of Physics Publishing, 2019)We present observations and analysis of the massive molecular outflow G331.512-0.103, obtained with Atacama Large Millimeter/submillimeter Array band 7, continuing the work from Merello et al. Several lines were identified ...
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(Public Library of Science, 2019)Background Trypanosoma cruzi is a protozoan parasite that is transmitted by triatomine vectors to mammals. It is classified in six discrete typing units (DTUs). In Chile, domestic vectorial transmission has been interrupted; ...
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(Institute of Electrical and Electronics Engineers Inc., 2019)In this paper, we investigate a joint resource allocation problem based on cognitive radio (CR) techniques for user equipment with multi-homing capabilities. We consider a heterogeneous wireless medium where users in ...
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(Nature Publishing Group, 2019)The Head Positioning in Acute Stroke Trial (HeadPoST) is a pragmatic, international, cluster crossover randomized trial of 11,093 patients with acute stroke assigned to a lying-flat (0°) or sitting-up (head elevated ≥30°) ...
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(Seismological Society of America, 2019)Forecasting surface seismic intensities is the main objective of much of the research in seismic engineering. The seismic demand for tall buildings, bridges, wind farms, and other existing slender structures is predominantly ...
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(Elsevier Ltd, 2019)Grinding is one of the most energy-demanding processes of copper mines. Declining ore grades and harder rocks will further intensify this demand. Periods of stressed copper prices, high energy costs and climate change ...
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(Elsevier Ltd, 2019)In the first part of this work, a solar photovoltaic system with battery storage (PV-BESS) and grid backup system to supply a SAG mill was modeled. There, the overall framework, the optimization model, and the model for ...
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(Elsevier Ltd, 2019)As one of the main environmental effects of earthquakes, the distribution of landslides could reflect regional neotectonic activity. To that end, we carried out an inventory of landslides along the Precordillera range ...
