Artículos Científicos: Envíos recientes
Mostrando publicaciones 1061-1080 de 3486
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Spent coffee grounds applied as a top-dressing or incorporated into the soil can improve plant growth while reducing slug herbivory
(2022)Between 8 and 15 million tons of spent coffee grounds (SCG) are produced as global waste each year. To reduce waste to landfill, SCG are proposed as a carbon and nutrient source for degraded soils. SCG contain caffeine and ...
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Rational design of hydrogels for cationic antimicrobial peptide delivery: a molecular modeling approach
(2022)In light of the growing bacterial resistance to antibiotics and in the absence of the development of new antimicrobial agents, numerous antimicrobial delivery systems over the past decades have been developed with the aim ...
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Influence of grain size on mechanical properties of a refractory high entropy alloy under uniaxial tension
(2023)There is a growing interest in High Entropy Alloys (HEAs) due to their outstanding mechanical properties. Most simulation studies have focused on face-centered cubic (fcc) HEAs; however, bcc HEAs can offer a larger elastic ...
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Fisura labio palatina. Revisión de la literatura
(2022)La formación del paladar ocurre entre la quinta y undécima semana de vida intrauterina producto de la unión del paladar primario y secundario. Por otra parte, la formación del labio superior ocurre entre la quinta y sexta ...
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Aerobic capacity of chilean adults and elderly: proposal of classification by regional percentiles
(2019)Introducción: La aptitud aeróbica es un importante predictor que contribuye con la preservación de la independencia funcional a medida que se envejece. Su medición se transforma en una herramienta fundamental en la ...
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Reconsidering the use of cut-off scores: DCDQ - Brazil
(2019)Introducción: El DCDQ es un informe para padres elaborado para evaluar las actividades diarias de los niños, además de servir como un cuestionario útil para ayudar en los criterios diagnósticos del Trastorno del Desarrollo ...
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Teorías subjetivas de docentes sobre la implementación de los objetivos transversales en un contexto complejo
(2019)Se presenta un estudio cualitativo sobre teorías subjetivas (TS) de docentes respecto a la implementación de los Objetivos Transversales (OT) en una comuna del norte de Chile. Las entrevistas se llevaron a cabo a través ...
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Evaluation of LBP-based descriptors for iris recognition based on learning vector quantization classifier under a multi-core platform
; ; Barrientos, Ricardo
(2019)
In recent years, iris recognition techniques have focused the attention on the biometric area. Particularly, the performance of an iris recognition system depends on the representation of the texture of the images. In this ...
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Iris recognition based on displacementinformation using a sparse matching technique
; ; Barrientos, Ricardo; ; Mora, Marco (2019)
Iris recognition is one of the most promising fields in biometrics. During the image acquisition, images are affected by surrounding parts of the eye such as eyelids or eyelashes. Besides, deformations of the iris image ...
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Massive finger-vein identification based on local line binary pattern under parallel and distributed systems
; ; Barrientos, Ricardo; (2019)
Massive individuals identification is a challenging problem in modern society. Particularly, finger-vein recognition is an emerging biometric technique with several advantages, especially in terms of security against ...
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Comparison of classification algorithms for the detection of bone weakness in students using anthropometric data
(2019)Low bone mineral density can lead to weak and fragile bones that lead to problems of osteoporosis and fractures in people, early detection can help their treatment. This research compares five data mining algorithms to ...
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A first insight into the structure and function of rhizosphere microbiota in antarctic plants using shotgun metagenomic
(2019)Antarctic vascular plants such as Deschampsia antarctica (Da) could generate more suitable micro-environmental conditions for the establishment of other plants like Colobanthus quitensis (Cq). Although positive plant–plant ...
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BTZ black hole with Korteweg–de Vries-type boundary conditions: thermodynamics revisited
(2019)The thermodynamic properties of the Bañados-Teitelboim-Zanelli black hole endowed with Korteweg–de Vries (KdV)-type boundary conditions are reconsidered. This family of boundary conditions is labeled by a non-negative ...
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Cosmology in cubic and f(P) gravity
(2019)We construct cubic gravity and its f(P) extension and we investigate their early- and late-time cosmological applications. Cubic gravity is based on a particular invariant P, constructed from cubic contractions of the ...
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Trivialización, predicado y nominalización
Miranda-Rojas, Rafael (2019)
El presente escrito tiene por objetivo discutir los alcances de la denominada vía predicativa en el análisis de la rigidez de los términos generales. En particular, se analizará la interpretación que Zerbudis (2013) realiza ...
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Potential impact of climate change on the geographical distribution of two wild vectors of chagas disease in Chile: mepraia spinolai and mepraia gajardoi
(2019)Background: Mepraia gajardoi and Mepraia spinolai are endemic triatomine vector species of Trypanosoma cruzi, a parasite that causes Chagas disease. These vectors inhabit arid, semiarid and Mediterranean areas of Chile. ...
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Caracterización de los patrones de actividad física en distintos grupos etarios chilenos
(2019)Antecedentes: las recomendaciones internacionales fomentan la realización de al menos 150 minutos de actividad física (AF) moderada/vigorosa o 75 minutos de AF vigorosa semanalmente; sin embargo, se desconoce cuál es el ...
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Riesgo cardiometabólico y variación en el contenido graso/adiposo según el índice de masa corporal en niños de seis a nueve años
(2019)Introducción: el exceso de peso infantil se ha asociado con obesidad en la etapa adulta y, por consecuencia, mayor riesgo de muerte por factores cardiometabólicos. Objetivo: identificar si el índice de masa corporal (IMC) ...
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Concordancia de ecuaciones que predicen el porcentaje de grasa en jóvenes futbolistas
(2019)Introducción: la evaluación de la composición corporal puede ser relevante en el monitoreo de efectos potenciales de los programas de entrenamiento y salud de los jóvenes atletas. Objetivo: Analizar la concordancia de una ...