Browsing by Title
Now showing items 50400-50419 of 91730
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(Springer, 2023)The composition of gut microbiota (GM) plays a key role in the defense against pathogenic species of Escherichia coli, such as enterohemorrhagic E. coli (EHEC) and enteropathogenic E. coli (EPEC). The symbiotic relationship ...
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(Copernicus Gesellschaft MBH, 2015)Glacier behaviour during the mid-Holocene (MH, 6000 years BP) in the Southern Hemisphere provides observational data to constrain our understanding of the origin and propagation of palaeoclimate signals. In this study we ...
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(Elsevier, 2013)This paper studies a two-sector economy in which one of the sectors (the “commodity sector”) depends in part on the exploitation of a renewable natural resource and examines the issue in an economy-wide context where ...
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(Elsevier, 2021)Different techniques have been developed for the remediation of Cu contaminated soils, being the phytoremediation a sustainable and environmentally friendly strategy, but its use in mine tailings is scarce. Arbuscular ...
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(Universidad Austral Chile, 2017)Quillaja saponaria is a valuable commercial and ecological Chilean native species that has suffered considerably degradation countrywide; however, the determination of the optimum characteristics of the planting stock, ...
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(2020)Background: Preterm newborns can be exposed early to significant perinatal stress, and this stress can increase the risk of altered socioemotional development. Sustained social withdrawal in infants is an early indicator ...
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(IEEE-Institute of Electrical and Electronics Engineers, 2020)Current ongoing industry revolution demands more flexible products, including robots in household environments and medium-scale factories. Such robots should be able to adapt to new conditions and environments and be ...
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(Universidad de Chile, 2019)El Aprendizaje Reforzado Profundo (DRL) se ha transformado en una metodología poderosa para resolver problemas complejos de toma de decisión secuencial. Sin embargo, el DRL tiene varias limitaciones cuando es usado en ...
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(Springer Science and Business Media B.V., 2020)
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(Springer Verlag, 2018)An Interactive Machine Learning (IML) approach for training a dribbling engine for humanoid biped robots in RoboCup competitions (Standard Platform League) is presented. The proposed dribbling approach solves two decision ...
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(Centro Nacional de Informacion de Ciencias Medicas, 2015)© 2015, Centro Nacional de Informacion de Ciencias Medicas. All rights reserved. As part of the so-called Web 2.0, social networks are associated with an increase in the interaction and cooperation between users, as a ...
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(Institute of Electrical and Electronics Engineers Inc., 2020)
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(Cell Press, 2018)Maintenance of endoplasmic reticulum (ER) proteostasis is controlled by a dynamic signaling network known as the unfolded protein response (UPR). IRE1a is a major UPR transducer, determining cell fate under ER stress. We ...
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(Universidad de Chile, 2020-04)Las histonas, proteínas conocidas por compactar el ADN y formar la cromatina en células eucariontes, tienen además la función de regular procesos de expresión génica, debido a que son susceptibles a modificaciones ...
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(American Geophysical Union, 2020)Understanding and characterizing the spatial distribution of snow are critical to represent the energy balance and runoff production in mountain environments. In this study, we investigate the interannual and seasonal ...
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(2001-06-15)Altiplano, a semiarid, high-level plateau entrenched in the central Andes. On the interannual timescale, Altiplano rainfall exhibits pronounced fluctuations between drought and very wet conditions, with subsequent impacts ...
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(John Wiley and Sons Ltd, 2019)© 2018 The Authors. Hydrological Processes published by John Wiley & Sons Ltd. We present a field-data rich modelling analysis to reconstruct the climatic forcing, glacier response, and runoff generation from a high-elevation ...
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(AMER GEOPHYSICAL UNION, 2008-11-01)The coastal mountains of semiarid Chile are punctuated by patches of fog- dependent evergreen forests. Fog episodes often occur when the prominent coastal topography intercepts a well developed deck of stratocumulus (Sc) ...
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(1999-10-01)Observations with a four-channel UV radiometer in Santiago, Chile (33.5øS, 70.6øW) from January 1992 to December 1998 are presented. Chinreels are centered at 305, 320, 340 and 380 nm with a 10 nm bandwidth. Measurements were ...
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(Universidad de Chile, 2015)Se estudiaron complejos macrocíclicos con ligandos [2+2] derivados de 2-hidroxi-5-metil- 1,3-benzenodicarbaldehido y di-aminas alifáticas y aromáticas, y con distintos centros metálicos, CuII, ZnII, EuIII, DyIII e YbIII. ...
