Repositorio Académico de la Universidad de Chile: Recent submissions
Now showing items 32301-32320 of 101786
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(American Geophysical Union, 2020)Sea surface temperature (SST) is used to infer past changes in the state of the climate system. Here we use a combination of newly generated and published organic paleothermometer records, together with novel high-resolution ...
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Physical properties of new ordered bimetallic phases M0.25Cd0.75PS3 (M = Zn-II, Ni-II, Co-II, Mn-II) (Royal Society of Chemistry, 2020)Four bimetallic phases of the thiophosphate family have been synthesized by the cationic exchange reaction using a freshly prepared K0.5Cd0.75PS3 precursor phase and methanolic solutions of nitrates of the divalent cations ...
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(Elsevier, 2020)Reinforcement learning (RL) provides an alternative method for designing condition-based decision making in engineering systems. In this study, a simple and flexible RL tabular Q-learning framework is employed to identify ...
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(Elsevier, 2020)Perfect graphs form a well-known class of graphs introduced by Berge in the 1960s in terms of a min-max type equality involving two famous graph parameters. In this work, we survey certain variants and subclasses of perfect ...
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(Karger, 2020)Objectives: Fetal right ventricular (RV) function assessment is challenging due to the RV geometry and limitations of in utero assessment. Postnatally, 2D echocardiographic RV fractional area change (FAC) is used to assess ...
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(Karger, 2020)Objective: There is a need for standardized reference values for cardiac dimensions in prenatal life. The objective of the present study was to construct nomograms for fetal cardiac dimensions using a well-defined ...
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(IOP Publishing, 2020)We present evidence for localized deviations from Keplerian rotation, i.e., velocity "kinks," in 8 of the 18 circumstellar disks observed by the DSHARP program: DoAr 25, Elias 2-27, GW Lup, HD 143006, HD 163296, IM Lup, ...
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(Elsevier, 2020)Objective: We aimed to evaluate which risk factors in middle-aged women are associated with higher risk of multimorbidity in older age. Study design: We conducted a prospective cohort study from 1990 to 1993 in Santiago ...
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(Springer, 2020)The South American tomato leafminer, Tuta absoluta (Meyrick 1917) (Lepidoptera: Gelechiidae), is a newly introduced and a major threat of tomato production in Ethiopia. Laboratory bioassay was conducted to evaluate locally ...
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(Public Library Science, 2020)The cranium is an anatomically complex structure. One source of its complexity is due to its modular organization. Cranial modules are distinct and partially independent units that interact substantially during ontogeny ...
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(Universidad de Chile, 2019)
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(Universidad de Chile, 2018)En la presente investigación problematizo y reflexiono críticamente y desde una perspectiva de género y feminista en torno al lugar de Stella Díaz Varín -poeta chilena que vivió entre los años 1926 y 2006-, dentro de la ...
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(Universidad de Chile, 2018)
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(Universidad de Chile, 2018)
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(Universidad de Chile, 2018)El presente trabajo tiene por objetivo analizar la representación de los cuerpos a partir de la categoría sexo/género en los personajes protagónicos de dos producciones literarias: El deseo invisible: Santiago cola antes ...
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(Universidad de Chile, 2019)
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(Universidad de Chile, 2017)En la presente investigación se ha procedido a estudiar ciertas prácticas y situaciones que pueden dirigirse en el sentido contrario al equilibrio de intereses público-privado al que apunta la normativa de Propiedad ...
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(Universidad de Chile, 2020)
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(Universidad de Chile, 2020)El estudio y caracterización de parámetros de la fuente sísmica es un tópico fundamental en sismología, pues a partir de ésta se pueden comprender los procesos físicos de la ruptura y las características de cada terremoto. ...
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(Universidad de Chile, 2020)En este trabajo se estudian problemas de coloración en grafos pigmentados. Un grafo pigmentado es una tupla $(G,c)$ con $G$ un grafo y $c:E(G)\to \NN$ una asignación de pigmentos en las aristas. El primer capítulo se centra ...
