Results 1 to 10 of about 163,355 (259)

Tomographic features of lung damage associate with D-Dimer levels and further clinical outcome in patients with acute respiratory distress syndrome due to COVID-19 [PDF]

open access: yesBMC Pulmonary Medicine
Background Rapid progression of symptoms and development of Acute Respiratory Distress Syndrome (ARDS) frequently occurred during COVID-19 pandemic, while CT-Scan was useful to assess severity of lung damage, with classic patterns like early Ground Glass
Juan Antonio Suárez-Cuenca   +9 more
doaj   +2 more sources

Habitat dynamics of flagship species for conservation prioritization in southern Europe. [PDF]

open access: yesConserv Biol
Abstract Biodiversity loss is accelerating due to human actions, and decision‐making for conservation needs to be streamlined. Ex situ biodiversity modeling and monitoring based on satellite time‐series data could be an affordable and cost‐efficient tool for improving the prioritization of conservation areas.
Velasco-Rodríguez A   +4 more
europepmc   +2 more sources

A multiscale seasonal examination of the risk of harm to seabirds from vessels based on co-occurrence in Alaskan waters. [PDF]

open access: yesConserv Biol
Abstract Alaska's seascape supports globally significant seabird populations, including vulnerable and threatened species, and hosts economically important commercial fisheries and marine transportation corridors. Seasonal patterns of seabird movements and vessel traffic create a complex landscape of risk, defined as high levels of co‐occurrence ...
Kapsar K, Sullender BK, Kuletz KJ.
europepmc   +2 more sources

Microclimate refugia shape microclimatic niches and predict individual variability in post-breeding migration in a partially migratory species. [PDF]

open access: yesJ Anim Ecol
The niche is characterized along a gradient of temperature and microclimate refugia. Individuals in breeding areas with low microclimate refugia availability are more likely to cover larger distances to post‐breeding areas, increasing exposure to risks.
Ramos RF   +4 more
europepmc   +2 more sources

Identificación, clasificación y representación cartográfica de las depresiones kársticas en la Reserva de la Biósfera El Cielo, Tamaulipas, México

open access: yesTerra Digitalis, 2022
El cambio climático y el crecimiento de la población continúan generando demandas, riesgos y vulnerabilidades importantes para los recursos hídricos. Los acuíferos kársticos representan algunas de las formaciones acuíferas más prolíficas con ecosistemas ...
Jerjes Rigoberto Pantoja Irys   +6 more
doaj   +1 more source

El internet en tiempos del SARS-Cov-2 (COVID-19) en México

open access: yesCiencia Ergo Sum, 2021
Se presenta una reflexión sobre la problemática asociada con la calidad del internet en el país, sus consecuencias y retos en el proceso de educación a distancia mediada por la tecnología.
Jesús García-Grajales   +2 more
doaj   +1 more source

Estructura de datos XTCE en sistemas CubeSat

open access: yesRevista Científica, 2021
Este articulo muestra la construcción de un modelo de información para el intercambio de datos e información dentro del contexto del desarrollo de sistemas satelitales de tipo CubeSat.
Wilmer Figueredo   +1 more
doaj   +1 more source

Modelado, Simulación y Control de Satélites en los Puntos de Lagrange del Sistema Tierra - Luna

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2011
Los autores agradecen el apoyo del proyecto CICYT DPI2009-14552-C02-01 del Ministerio de Educación y Ciencia.
F. Alonso Zotes, M. Santos Peñas
openaire   +5 more sources

Determinação da Produtividade da Água com Imagens Landsat 8 na Região Semiárida do Brasil

open access: yesConexões: Ciência e Tecnologia, 2017
Considerando o cenário de mudança de uso da terra aliada às alterações climáticas no semiárido brasileiro, a evapotranspiração atual (ET), a produção de biomassa (BIO) e a produtividade da água (PA) baseada na ET, foram quantificadas sob diferentes ...
Antônio Heriberto de Castro Teixeira   +1 more
doaj   +1 more source

Bioamplificadores

open access: yesRevista Colombiana de Cardiología, 2011
Las señales bioeléctricas se remiten a estudios que comenzaron con el descubrimiento de la electricidad en seres vivos, vislumbrada por Luigi Galvani y Alessandro Volta en el siglo XVII (Figuras 1A y 1B), y demostrada por Carlo Matteucci y sus ...
Jorge Reynolds   +2 more
doaj   +1 more source

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