Results 31 to 40 of about 172,874 (193)

Uso del selenio en organismo acuáticos. Una revisión

open access: yesIntropica, 2022
Los nutrientes presentes en el alimento, son de vital importancia para los procesos biológicos en los animales, de esta manera la selección de los ingredientes que conforman la dieta, son esenciales para determinar la inclusión apropiada.
Jenny Hoya-Flórez   +2 more
doaj  

Thinger.io: An Open Source Platform for Deploying Data Fusion Applications in IoT Environments

open access: yesSensors, 2019
In the last two decades, data and information fusion has experienced significant development due mainly to advances in sensor technology. The sensors provide a continuous flow of data about the environment in which they are deployed, which is received ...
Alvaro Luis Bustamante   +2 more
doaj   +1 more source

Individual and combined effects of chemical and mechanical power on postoperative pulmonary complications: a secondary analysis of the REPEAT study. [PDF]

open access: yesAnaesthesia
Summary Introduction Intra‐operative supplemental oxygen and mechanical ventilation expose the lungs to potentially injurious energy. This can be quantified as ‘chemical power’ and ‘mechanical power’, respectively. In this study, we sought to determine if intra‐operative chemical and mechanical power, individually and/or in combination, are associated ...
Müller-Wirtz LM   +10 more
europepmc   +2 more sources

Introducción al Manejo de la Salud de los Peces

open access: yesEDIS, 2023
El manejo de la salud de los peces es un término utilizado en acuicultura para describir las prácticas de manejo que están diseñadas para prevenir las enfermedades de los peces. Una vez que los peces se enferman, puede ser difícil salvarlos.
Ruth Francis-Floyd   +1 more
doaj   +3 more sources

Monitoring Accessibility Services in Digital Television

open access: yesInternational Journal of Digital Multimedia Broadcasting, 2012
This paper addresses methodology and tools applied to the monitoring of accessibility services in digital television at a time when the principles of accessibility and design are being considered in all new audiovisual media communication services.
Francisco Utray   +3 more
doaj   +1 more source

The prechoroidal cleft in neovascular age‐related macular degeneration

open access: yesActa Ophthalmologica, EarlyView.
Abstract The prechoroidal cleft is a lenticular, hypo‐reflective space on optical coherence tomography imaging, located between a band of fibrovascular material underneath the retinal pigment epithelium (RPE) and Bruch's membrane. It occurs in 8%–22% of neovascular age‐related macular degeneration (nAMD) eyes, most often with macular neovascularization
Niels J. Brouwer   +3 more
wiley   +1 more source

EXIT chart analysis of iteratively detected and SVD-assisted broadband MIMO-BICM schemes [PDF]

open access: yes, 2010
In this contribution the number of activated MIMO layers and the number of bits per symbol are jointly optimized under the constraint of a given fixed data throughput and integrity.
Ahrens, Andreas, Benavente Peces, César
core   +1 more source

A new species of Chrysobrycon Weitzman & Menezes, 1998 (Characiformes, Characidae, Stevardiinae) with remarkable sexually dimorphic pigmentation from the upper Río Vaupés basin, Colombian Amazon, with taxonomic key [PDF]

open access: yesZoosystematics and Evolution
This study describes Chrysobrycon calamar, a new stevardiine fish from the upper Río Vaupés basin in Colombia. The new species differs from its congeners by the following combined characters: adult males have a dark vertical blotch on the abdominal ...
James Anyelo Vanegas-Ríos   +2 more
doaj   +3 more sources

Evaluating the empirical basis for threat attribution in the IUCN Red List

open access: yesConservation Biology, EarlyView.
Abstract Understanding the impacts of different threats on species is key to successful conservation interventions and policies. The International Union for Conservation of Nature (IUCN) assesses threats to species, and the organization's Red List of Threatened Species is a key conservation tool.
Ena Humphries   +5 more
wiley   +1 more source

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