Listar Producción Académica por título
Mostrando publicaciones 1348-1367 de 3259
-
Exposición a plaguicidas en Chile y salud poblacional. Urgencia para la toma de decisiones
(2021)In the last 25 years, Chile has had an expanding role as an agro-export country in the global economy, with efficient rates of productivity in the region, based on the technological development of agriculture, with of large ...
-
Exposición a plaguicidas organofosforados y polineuropatía periférica en trabajadores de la Región del Maule, Chile
(2018)Fundamentos. Los plaguicidas organofosforados (OP) se usan de manera masiva, por su bajo costo y por su baja persistencia, en el medio ambiente y su alta efectividad en el control de plagas de insectos, sin embargo, los ...
-
Exposure to organophosphate (OP) pesticides and health conditions in agricultural and non-agricultural workers from Maule, Chile
(2017)The objective was to evaluate the characteristics of exposure to OP pesticides and health status in Chilean farm workers from the Maule Region. An occupational health questionnaire was administered in 207 agricultural and ...
-
Extended batch cultures for poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) production by azotobacter vinelandii OP growing at different aeration rates
(2022)Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a polymer produced by Azotobacter vinelandii OP. In the bioreactor, PHBV production and its molar composition are affected by aeration rate. PHBV production by A. ...
-
Extracción y análisis de pectinas a partir de arándano (Vaccinium corymbosum L.) cv. O'Neall
(2013)El arándano (Vacinium corymbosum) es un fruto muy apreciado debido a sus propiedades nutricionales, bajo valor energético y alto contenido de antioxidantes. Su remanente no exportable es destinado a la industria local para ...
-
Extracellular matrix glycation and receptor for advanced glycation end-products activation: A missing piece in the puzzle of the association between diabetes and cancer
(2018)A growing body of epidemiologic evidence suggests that people with diabetes are at a significantly higher risk of many forms of cancer. However, the molecular mechanisms underlying this association are not fully understood. ...
-
Extreme learning machine (ELM) for detection of hazardous near Earth objects
(2023)The protection of planet Earth, its inhabitants, and all living beings requires the identification of potentially dangerous objects, the simulation of impacts with Earth, and the mitigation of such threats. This research ...
-
Extreme learning machine adapted to noise based on optimization algorithms
(2020)The extreme learning machine for neural networks of feedforward of a single hidden layer randomly assigns the weights of entry and analytically determines the weights the output by means the Moore-Penrose inverse, this ...
-
Extreme learning machine for iris-based diabetes detection
(2023)This study proposes a methodology for iris-based diabetes detection in 130 subjects, in which geometric transformations and changes in brightness and contrast were applied to increase to 1300 images, and a selection of 10% ...
-
Extreme learning machine for mass spectrometry data analysis
(2022)In this work, we introduce the use of a weighted extreme learning machine (ELM) to give an automated predictive value to mass spectrometry data. In specific, the data obtained with Matrix-Assisted Laser DesorptioMonization-Time ...
-
Extreme learning machine-based receiver for multi-user massive MIMO systems
(2021)An extreme learning machine (ELM)-based receiver for multi-user massive MIMO systems is introduced. The proposed ELM combining method, defined in the complex plane, is designed to directly perform MIMO combining processing ...
-
Extreme learning machines as equalizers on optical OFDM systems
(2023)Optical Fiber Radio (RoF) systems based on OFDM meet the needs of high transmission and reception speeds, as well as offering greater reliability in the system. These systems are exposed to various disturbances, such as ...
-
Extreme learning machines for detecting the water quality for human consumption
(2023)Determining the potability of water for consumption is crucial for human health. To assess the water quality, levels of minerals and ions are measured, such as pH, hardness, sodium, chloramines, sulfate, conductivity, ...
-
Extreme learning machines for predict the diamond price range
(2023)Gemstones, such as diamonds, are used in various applications, from jewelry to technology, where they have recently been considered as semiconductor materials. However, the value of diamonds is difficult to measure due to ...
-
Extreme learning machines to combat phase noise in RoF-OFDM schemes
(2019)Radio-over-fiber (RoF) orthogonal frequency division multiplexing (OFDM) systems have been revealed as the solution to support secure, cost-effective, and high-capacity wireless access for the future telecommunication ...
-
Extremophilic exopolysaccharides: biotechnologies and wastewater remediation
(2021)Various microorganisms thrive under extreme environments, like hot springs, hydrothermal vents, deep marine ecosystems, hyperacid lakes, acid mine drainage, high UV exposure, and more. To survive against the deleterious ...
-
Una ética de lo contingente: Judith Butler y el principio de la (no) violencia
(2023)El siguiente trabajo se organiza en torno a una cuestión fundamental: la manera en que podría articularse una reflexión sobre lo ético y lo político si consideramos la violencia como vector central de lo ético-político ...
-
Ética e integridad académica en la formación doctoral: el caso de los doctorados en educación en las universidades chilenas
(2023)El presente artículo analiza, a partir de una revisión documental de planes y programas de curso de los doctorados en Educación activos en Chile, en qué medida y cómo los programas de formación de futuros investigadores ...
-
La ética Levinasiana: Un encuentro de alteridad en los tiempos contemporáneos.
(2023)La alteridad, la idea del otro, resulta esencial para la comprensión de Levinas, en tanto, la alteridad impregna toda su filosofía, de ella se des-prenden sus postulados, tanto, éticos como metafísicos. De ahí, ...