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Mostrando publicaciones 1420-1439 de 3248
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Finite field metrics applied to M-FSK modulation in VLC systems
(2020)This paper provides an alternative to digital filter based frequency detection for multi-frequency shift keying modulation (M-FSK) using field programmable gate array (FPGA) architectures, by providing a hamming space ...
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First detection of Leishmania DNA in Psammomys obesus and Psammomys vexillaris: Their potential involvement in the epidemiology of leishmaniasis in Tunisia
; ; ; ; ; Cancino-Faure, Beatriz
; ; ; ; ; ; ; (2018)
Leishmaniasis, a public health problem in Tunisia, are diseases caused by different Leishmania species. Cutaneous leishmaniasis is present from the North to the South under different forms, due to Leishmania (L.) major, ...
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First high-altitude record of Bucculatrix mirnae Vargas and Moreira (Lepidoptera, Bucculatricidae) on a newly documented host plant: the importance of host plant distribution for conservation on the western slopes of the Andes mountains of Northern Chile
(2016)Bucculatrix mirnae Vargas and Moreira, 2012 (Lepidoptera, Bucculatricidae) is a micromoth native to the coastal valleys of the Atacama Desert previously known to occur only in the type locality of the Azapa Valley, close ...
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First record of Odontaster penicillatus populations (Philippi, 1870) (Echinodermata: Asteroidea) in the Atacama and Antofagasta regions, Chile (Southeast Pacific)
(2022)We report for the first time the presence of local populations of the starfish Odontaster penicillatus in the regions of Atacama and Antofagasta, Chile. This finding indicates an extension of the distribution limit of 500 ...
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First remarks on the nesting biology of Hypodynerus andeus (Packard) (Hymenoptera, Vespidae, Eumeninae) in the Azapa valley, northern Chile
(2012)First remarks on the nesting biology of Hypodynerus andeus (Packard) (Hymenoptera, Vespidae, Eumeninae) in the Azapa valley, northern Chile. Some aspects about the nesting biology of the potter wasp Hypodynerus andeus ...
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Fish prey of the peruvian tern sternula lorata along the northern coast of Chile
(2024)Scarce information is available on the trophic ecology and feeding habitats of the Peruvian Tern Sternula lorata. We searched 15 Peruvian Tern colonies along the coast of northern Chile during the breeding seasons of 2008 ...
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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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Fitness cardiorrespiratorio estimado mediante ecuación y su caracterización sociodemográfica en población chilena: Resultados de la Encuesta Nacional de Salud 2016-2017
(2020)Background: Cardiorespiratory fitness is a strong predictor of mortality and chronic diseases. However, its estimation is costly and time consuming which may limit it broad use in population-based studies. Aim: To estimate ...
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Five new species of Dolichomitus Smith from the tropical Andes, with a key for the South American species (Hymenoptera, Ichneumonidae, Pimplinae)
(2020)Dolichomitus Smith is a widely distributed pimpline genus with more than seventy known species. There are eight species previously reported from South America: D. annulicornis (Cameron), D. bivittatus Townes, D. hypermeces ...
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Floral development on Vitis vinifera Is associated with MADS-Box transcription factors through the transcriptional regulation of VviZIP3
(2023)Several grapevine (Vitis vinifera L.) cultivars show a tendency to develop parthenocarpic seedless grapes, affecting fruit yield and quality. This reproductive disorder originates in defective ovule fertilization due to a ...
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Flowering and fruiting phenology of the endangered Chilean tree Gomortega keule
(2011)Gomortega keule is endemic to Chile and belongs to the monotypic family Gomortegaceae. Although it produces edible fruits and good-quality wood, it is not cultivated. Information on reproductive phenology may help address ...
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Fluctuating asymmetry as a method of assessing environmental stress in two predatory carabid species within mediterranean agroecosystems
(2020)Fluctuating asymmetry (FA) is used in assessing the effect of environmental stress on the development stability of individuals by measuring small random deviations from perfect bilateral symmetry. Here, we checked for FA ...
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Fluidisation by pore pressure of dense granular flows: numerical simulations versus experiments
(2022)A model accounting for fluidisation by pore gas pressure in dense granular flows is presented. A viscoplastic rheology, based on the Drucker-Prager criterium, is used to describe the granular medium which is a mixture ...
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El Flujo espiratorio máximo y la fuerza de prensión manual predicen la salud ósea de niños y adolescentes
(2020)Objetivos: Analizar la relación de la fuerza de prensión manual FPM con el Flujo espiratorio Máximo FEM y verificar como estos parámetros en conjunto pueden contribuir sobre la salud ósea en niños y adolescentes. Metodología: ...
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Football society players over the age of 55: how stressful can a match be?
(2021)This study aimed at assessing the physical activity level, heart rate and the salivary cortisol level of football society players. The sample consisted of 19 male masters football players with an average age of 56.7 ± 3.9 ...
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Forest plantations’ externalities: An application of the analytic hierarchy process to non-industrial forest owners in central Chile
(2018)The forestry sector in Chile has an important role in the domestic economy, being the second leading export sector after the mining industry. Investments in forest plantations have grown in the last 40 years thanks to ...
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Formación de profesores de educación física en Chile: una mirada histórica
Castillo Retamal, Franklin; ; ; (2020)
El artículo tiene como propósito profundizar en la formación de profesores de Educación Física en Chile, desde una visión histórica, relevando las actuales políticas públicas que refieren a los procesos de Formación Inicial ...
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La formación del profesor de educación física: de la didáctica de las asignaturas al conocimiento de la enseñanza
(2021)El artículo discute sobre la profesionalización en Ciencias de la Educación y su relación con la formación universitaria de los profesores de Educación Física. Son consideradas tres hipótesis, que deben ser resueltas en ...