Repositorio Universidad Católica del Maule: Envíos recientes
Mostrando publicaciones 961-980 de 5422
-
A model for incompressible fluids using finite element methods for the Brinkman problem
(2020)The partial differential equations for fluid flow dynamics based on the Brinkman equations, written in terms of velocity-vorticity and pressure in three dimensions, are essential for predicting climate, ocean currents, ...
-
Construction of a genetic decomposition: theoretical analysis of the concept of the value theorem medium
(2020)In this study, from a cognitive perspective, we present the structures necessary for a student to construct the concept of the mean value theorem. The theoretical framework used for this research is based on the ...
-
The role of upwelling intermittence in the development of hypoxia and nitrogen loss over the Oregon shelf
(2020)Coastal upwelling regions represent less than 2% of the marine biosphere's volume. Nonetheless, local biogeochemical processes have a considerable impact on the structure and functioning of the global oceans. In this study ...
-
Northern and central Chile still free of emerging flaviviruses in mosquitoes (Diptera: Culicidae)
Cancino-Faure, Beatriz
; ; ; ; ; ; ; ; (2023)
Geographic isolation and strict control limits in border areas have kept Chile free from various pathogens, including Flavivirus. However, the scenario is changing mainly due to climate change, the reintroduction of more ...
-
Comparative study of paper-and-pencil and electronic formats of the Snaith-Hamilton Pleasure Scale
(2020)The gold standard for measuring anhedonia is the Snaith-Hamilton Pleasure Scale (SHAPS). To date, there are no validated electronic versions of this questionnaire. We aim to study the equivalence between the traditional ...
-
Global bifurcation results for nonlinear dynamic equations on time scales
(2020)We prove a global bifurcation result for a parameterized dynamic equation on time scales. The approach is topological and based on a notion of topological degree for compact perturbations on nonlinear Fredholm maps in ...
-
Heart rate variability in children and adolescents with cerebral palsy—A systematic literature review
(2020)Cardiac autonomic dysfunction has been reported in patients with cerebral palsy (CP). The aim of this study was to assess the existing literature on heart rate variability (HRV) in pediatric patients with CP and a special ...
-
BitClust: fast geometrical clustering of long molecular dynamics simulations
(2020)The growing computational capacity allows the investigation of large biomolecular systems by increasingly extensive molecular dynamics simulations. The resulting huge trajectories demand efficient partition methods to ...
-
659 Blocking cytokine IL-1 with anakinra for the prevention of cytokine release syndrome in COVID-19
(2020)Background: The novel coronavirus, known as SARS-CoV-2, or COVID-19 became a pandemic in early 2020, causing significant human suffering and economic woes globally. The pathophysiology of acute respiratory failure may be ...
-
Communicative competences required in initial teacher training for primary school teachers of spanish language in contexts of linguistic diversity
Ferrada, Donatila; (2020)
The main objective of this research was to explore communication competence traits deemed as essential for initial teacher training of schoolteachers of language – in both the Spanish and Mapuzugun – by primary school ...
-
Mapping social economy discourses in Chile
(2020)Purpose: The purpose of this paper is to analyze the social economy discourses in four regions of Chile, characterized by their internal economic heterogeneity. Design/methodology/approach: Using an intentional sample, ...
-
Multimodal HIIT is more efficient than moderate continuous training for management of body composition, lipid profile and glucose metabolism in the diabetic elderly
(2020)El ejercicio podría desempeñar un papel central en el manejo de la grasa y el metabolismo de la glucosa, lo que puede ser un papel crítico en el estado de salud de las personas diabéticas, pero el ejercicio intenso intenso ...
-
Lung function evaluation through computerized tomography and 3D reconstruction of airways: a body mass index pilot study
(2020)La obesidad es una epidemia mundial, la que se ha transformado en un factor de riesgo en el desarrollo problemas respiratorios. Al respecto, generar modelos de evaluación de la función pulmonar en pacientes obesos es ...
-
Spatial distribution of dengue in Ecuador during 1994–2018 using geographic information systems (GIS) – implications public health and travel medicine
(2020)Background: After serious epidemics of chikungunya (CHIKV) and Zika (ZIKV) in the Americas, dengue (DENV) has reemerged in most countries. We estimated the incidence rates and evolution of DENV cases in Ecuador from 1994 ...
-
Primer hallazgo de la garrapata Amblyomma tigrinum parasitando un chingue, Conepatus chinga en la zona norte-centro de Chile
(2022)Se colectan por primera vez individuos adultos de Amblyomma tigrinum en un chingue (Conepatus chinga), capturado en área rural del norte-centro de Chile, los cuales fueron descritos e identificados morfológicamente. Existen ...
-
Trimethylsilyl azide-promoted acid-amine coupling: a facile one-pot route to amides from carboxylic acids and amines
; ; ; abril, diana; (2023)
A versatile and efficient one-pot protocol has been developed for the synthesis of amides from easily accessible carboxylic acids and amines by employing trimethylsilyl azide as a promoter at room temperature. This ...
-
Estilos de vida de adultos en cuarentena total y cuarentena parcial, durante la pandemia por COVID-19
(2023)La estrategia de contención de la pandemia implementada en el país en sus primeros meses consideró mantener a la población en cuarentena preventiva, ya sea total (CT) o parcial (CP). El estudio tuvo como objetivo determinar ...
-
A new approach to the concept of linearity. Some elements for a multiplicative linear algebra
(2020)An arithmetic based on the multiplication is the base of the Bigeometric (and Multiplicative) Calculus, a type of non-Newtonian Calculus which has had uses in the digital processing of images. In this work, we present the ...
-
Chitosan-pluronic based Cu nanocomposite hydrogels for prototype antimicrobial applications
(2020)Copper nanoparticles were synthesized via precipitation technique using the pseudonatural cationic chitosan biopolymer as a stabilizing agent. The nanoparticles developed were successfully incorporated into the 1:1 ratio ...