Repositorio Universidad Católica del Maule: Envíos recientes
Mostrando publicaciones 1521-1540 de 5655
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Multiplicative local binary patterns (MuLBP)
Mora, Marco
; ; (2019)
Speckle is a multiplicative noise that greatly deteriorates images. In this paper a model of Local Binary Patterns (LBP) adapted to images with speckle (MuLBP) is proposed. The multiplicative model is constructed by ...
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Assessment of e-social activity in psychiatric patients
(2019)This paper introduces a novel method to assess the social activity maintained by psychiatric patients using information and communication technologies. In particular, we model the daily usage patterns of phone calls and ...
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All-optical routers modeled through the matrix method with NVidia CUDA development framework
(2019)Optical packet switching (OPS) is a promising technology in order to satisfy the ever-increasing need for bandwidth. With this technology, data packets, which consist of a header and a payload, are assembled and transmitted ...
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BER performance of OFDM-based visible light communication systems
(2019)In this paper, OFDM-based techniques designed for Intensity Modulation/Direct Detection (IMDD) modulation applied to Visible Light Communications (VLC) systems are evaluated. The evaluated techniques are Asymmetrically ...
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Relationship between metacognitive learning strategies and proficiency in efl classroom in Chile
(2019)Purpose of the study: The main aim of the present study is to analyze and explain the use of metacognitive strategies in learning English as a foreign language (EFL) in Chile. To comprehend the metacognitive strategy usage ...
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Diagnostic stability in bipolar disorder: a narrative review
(2019)Learning objectives: After participating in this activity, learners should be better able to: • Evaluate diagnostic stability in bipolar disorder • Analyze the factors contributing to diagnostic stability Objective: ...
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Enfermería gerontológica: desafíos para la promoción de los roles sociales en las personas mayores
Poblete, Margarita; (2019)
El acelerado envejecimiento poblacional a nivel mundial constituye un desafío para los profesionales de la salud. En este sentido, enfermería debe promover la autonomía en salud de las personas mayores con una participación ...
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Validez, confiabilidad y baremación para medir la auto-percepción del estrés académico de estudiantes universitarios
(2019)El estrés, es un fenómeno presente en la actualidad y afecta a la comunidad en general, por lo que, diagnosticar y/o monitorizarlo podría permitir desarrollar acciones tempranas y oportunas para alcanzar el estado de ...
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Effectiveness of psychotherapy on suicidal risk: a systematic review of observational studies
Méndez-Bustos, Pablo; ; ; ; ; (2019)
Background: Suicidal behavior is a major public health concern worldwide, and the interest in the development of novel and more efficient treatment strategies and therapies to reduce suicidal risk is increasing. Some recent ...
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Risk assessment tools and data-driven approaches for predicting and preventing suicidal behavior
(2019)Risk assessment of suicidal behavior is a time-consuming but notoriously inaccurate activity for mental health services globally. In the last 50 years a large number of tools have been designed for suicide risk assessment, ...
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Effects of prolonged head-down bed rest on cardiac and vascular baroreceptor modulation and orthostatic tolerance in healthy individuals
(2019)Orthostatic intolerance commonly occurs after prolonged bed rest, thus increasing the risk of syncope and falls. Baroreflex-mediated adjustments of heart rate and sympathetic vasomotor activity (muscle sympathetic nerve ...
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La noción de "modelo teórico" en la enseñanza de la química: representación y función del sistema periódico
(2022)Este trabajo aborda desde el punto de vista semanticista uno de los temas estructurantes de la química: la tabla periódica. El anclaje a temáticas estructurantes de la química ...
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Aphid suppression by natural enemies in hedgerows surrounding greenhouses in southern Spain
(2023)Southern Spain is home to the most intensively grown protected crop area in the EU. The area is currently characterized by greenhouse monocultures and a homogenous landscape. The establishment of hedgerows among greenhouses ...
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Microbiology and nitrogen cycle in the benthic sediments of a glacial oligotrophic deep andean lake as analog of ancient martian lake-beds
(2019)Potential benthic habitats of early Mars lakes, probably oligotrophic, could range from hydrothermal to cold sediments. Dynamic processes in the water column (such as turbidity or UV penetration) as well as in the benthic ...
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Sentido de eficacia de estudiantes de pedagogía de una universidad chilena
(2022)El objetivo del trabajo fue analizar el grado de competencias y sentido de eficacia que presentan los estudiantes de peda-gogía de una universidad chilena para responder a las necesidades de los estudiantes. Para dar ...
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Top-down and bottom-op effects deployed by a nurse shrub allow facilitating an endemic mediterranean orchid
(2019)Aims: Facilitation among plant species occurs when the presence of one species, the so-called nurse, alters the environment in a way that enhances the growth, survival or reproduction of a second species. This positive ...
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Substitution effects of NaCl by KCl and CaCl2 on lipolysis of salted meat
(2019)The objective of this study was to investigate the reduction and partial substitution effects of sodium chloride (NaCl) by potassium chloride (KCl) and calcium chloride (CaCl2) on lipolysis and lipid oxidation in salted ...
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Microbial engineering strategies for synthetic microplastics clean up: a review on recent approaches
(2023)Microplastics are the small fragments of the plastic molecules which find their applications in various routine products such as beauty products. Later, it was realized that it has several toxic effects on marine and ...
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High-fat diet induces mouse liver steatosis with a concomitant decline in energy metabolism: attenuation by eicosapentaenoic acid (EPA) or hydroxytyrosol (HT) supplementation and the additive effects upon EPA and HT co-administration
(2019)High-fat-diet (HFD) feeding is associated with liver oxidative stress (OS), n-3 long-chain polyunsaturated fatty acid (n-3 LCPUFA) depletion, hepatic steatosis and mitochondrial dysfunction. Our hypothesis is that the ...