Repositorio Universidad Católica del Maule: Envíos recientes
Mostrando publicaciones 1721-1740 de 5655
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A novel and adaptive angle diversity-based receiver for 6g underground mining vlc systems
(2022)Visible light communication (VLC) is considered an enabling technology for future 6G wireless systems. Among the many applications in which VLC systems are used, one of them is harsh environments such as Underground ...
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The recruitment of the recalcitrant-seeded cryptocarya alba (mol.) looser, established via direct seeding is mainly affected by the seed source and forest cover
(2022)Natural regeneration of recalcitrant-seeded tree species is strongly limited in Mediterraneantype climate zones due to increasing droughts imposed by climate change. Direct seeding can be a low-cost alternative to seedling ...
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Effect of the soil matric potential on the germination capacity of prosopis chilensis, quillaja saponaria and cryptocarya alba from contrasting geographical origins
(2022)As a consequence of the megadrought in Central Chile, it is expected that most of the distribution of woody species will be narrowed in the northern limits because of restrictions imposed by soil matric potential on seed ...
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An intelligent system for patients’ well-being: a multi-criteria decision-making approach
(2022)The coronavirus pandemic has intensified the strain on medical care processes, especially waiting lists for patients under medical management. In Chile, the pandemic has caused an increase of 52,000 people waiting for care. ...
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Una relación entre Paul Tillich y la teología de la liberación a través del concepto de alienación
(2022)El presente artículo surge a partir de la intuición de una posible relación entre la idea de alienación existencial propuesta por Paul Tillich,en el segundo volumen de su Teología Sistemática, y la Teología Latinoamericana ...
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Rh(III)-catalysed site-selective alkylation of β-carbolines/isoquinolines and tandem Csingle bondH/Csingle bondN functionalization to construct indolizine-indole frameworks
(2022)The rhodium-catalysed ortho-selective carbenes insertion strategy to activate the non-acidic sp2 Csingle bondH bond of β-carboline and isoquinoline scaffolds was developed. This transformation endows facile fabrication of ...
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Atomistic simulations of tensile deformation of a nanoporous high-entropy alloy
(2022)High-entropy alloys (HEAs) display outstanding mechanical properties which make possible new technological applications. There are many studies of bulk HEAs, but here we focus on FeCrNiCuCo single-crystal face-centered ...
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Creencias sobre la adherencia al tratamiento por suplemento de hierro en madres de niños con anemia que viven en una región de altitud del Perú
(2022)Introducción: la anemia por deficiencia de hierro es considerada como un problema de salud pública que afecta principalmente a niños menores de cinco años y mujeres gestan-tes a nivel global. Objetivo: Verificar las creencias ...
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Determinantes de la masa ósea en tenistas jóvenes chilenos
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(2022)
El estudio tuvo como objetivo analizar la relación entre la fuerza muscular y composición corporal con la masa ósea en tenistas jóvenes chilenos. El estudio fue observacional, transversal, con características descriptivas ...
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El liberalismo como reacción conservadora a la democracia republicana: El caso del diseño institucional neoliberal Chileno
(2022)El presente texto sostiene que, como un cuerpo normativo y económico-político aparentemente progresista, el liberalismo ha jugado un rol históricamente reactivo o reaccionario al oponerse de manera ...
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SARS-CoV-2 genetic and immunology insights: what does the scientific community know so far?
(2022)The challenge presented by the SARS-CoV-2 pathogen has changed the global perception about virus diseases. In Wuhan, China the first case of the disease called COVID-19 (Coronavirus Disease 2019) was reported in December ...
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Aplicabilidad de la superficie corporal e índices antropométricos para valorar el tamaño corporal en adolescentes que viven a gran altitud
(2022)Introducción: Los índices antropométricos se utilizan paraevaluar el estado de salud general, la adecuación nutricionaly el patrón de crecimiento físico.Objetivo: Verificar la capacidad de estimar adecuada-mente el tamaño ...
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On the performance of angular diversity receivers in underground mining VLC systems
(2022)Visible Light Communications (VLC) have generated great interest in the scientific community in the last five years due to their great adaptation to harsh environments. Among the scenarios that can benefit from the advantages ...
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Salud mental en población mexicana por COVID-19
(2022)Este artículo analiza el estado de salud mental de población adulta de México en el contexto de pandemia ocasionada por el virus SARS-CoV-2 (COVID-19). Participaron 899 participantes de diferentes regiones de México Medad= ...
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Body composition and cardiorespiratory fitness in overweight or obese people post COVID-19: A comparative study
(2022)The present study aimed to evaluate the body composition and cardiorespiratory fitness of overweight or obese people after COVID-19. 171 volunteers of both sexes (men, n = 93 and women, n = 78) between 19 and 65 years ...
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Association between bodyweight perception, nutritional status, and weight control practices: a cross-sectional analysis from the chilean health survey 2016–2017
(2022)This research aimed (1) to examine the agreement between body mass index (BMI)-based nutritional status and perceived nutritional status overall and by socio-demographic factors and (2) to state the association between the ...
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Assessing the population structure of colorado potato beetle populations in Croatia using genetic and geometric morphometric
(2022)The Colorado potato beetle (CPB, Leptinotarsa decemlineata Say) is one of the most successful invasive species worldwide. It has been present in Croatia since 1947, where it has caused significant damage to potato plants ...
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Characterizing the interindividual postexercise hypotension response for two order groups of concurrent training in patients with morbid obesity
(2022)Background: Postexercise hypotension (PEH) is a common physiological phenomenon occurring immediately after endurance training (ET), resistance training (RT), and ET plus RT, also termed concurrent training (CT); however, ...
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Selection, confounding, and attrition biases in randomized controlled trials of rehabilitation interventions
(2022)A thorough knowledge of biases in intervention studies and how they influence study results is essential for the practice of evidence-based medicine. The objective of this review was to provide a basic knowledge and ...
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Psychometric evidence of a new short version in spanish of the covid-19 impact scale: a study based on confirmatory factor analysis, graded response model, multigroup analysis, and path analysis
(2022)The aim of the study was to translate and evaluate the psychometric evidence of the Spanish version of the COVID-19 impact scale in the general population of Peru, to measure psychological stress responses produced by the ...