Results 121 to 130 of about 3,436,321 (270)

Comparação entre os métodos químico, in situ e in vitro para estimativa do valor nutritivo de silagens de milho Comparison of chemical, in situ and in vitro methods to estimate the nutritive value of maize silages

open access: yesCiência Rural, 2007
Diferentes silagens de milho foram avaliadas através de sua composição química e pelos métodos de degradabilidade in situ, digestibilidade in vitro convencional e produção de gases in vitro, com o objetivo de comparar os métodos entre si na estimativa do
Clóvis Clenio Diesel Senger   +6 more
doaj   +1 more source

Consequences of the Lack of IL-10 in Different Endotoxin Effects and its Relationship With Glucocorticoids [PDF]

open access: yes, 2019
Sepsis constitutes one of the major causes of death in ICUs. In sepsis induced by gram-negative, although lipopolysaccharide (LPS) initially induces an exacerbated secretion of proinflammatory cytokines leading to endotoxic shock and death resembling a ...
Barrientos, Gabriela Laura   +10 more
core   +1 more source

PERVERSIONES I VERSIONES, EN ARQUEOLOGÍA, DE LA TERMINOLOGIA TÉCNICA LATINA. EL CASO DEL OPUS SIGNINUM.

open access: yes, 2020
La arqueología, como disciplina científica, dispone de una terminología propia y específica. Una de las formas de crear esta terminología, sobretodo la arqueología clásica, es usar términos de origen greco-latinos, que es el ámbito cronológico y cultural de su interés.
openaire   +1 more source

TÉCNICAS ALTERNATIVAS DE CONSERVACIÓN Y RESTAURACIÓN APLICADAS EN MATERIAL PALEONTOLÓGICO PROCEDENTE DE YACIMIENTOS DEL PLEISTOCENO MEDIO. ENSAYOS DE APLICACIÓN EN LOS YACIMIENTOS DE CUEVA DEL ÁNGEL, LUCENA (CÓRDOBA).

open access: yesRevista Atlántica-Mediterránea de Prehistoria y Arqueología Social, 2015
El objetivo de este trabajo es plantear una serie de tecnicas alternativas que se puedan aplicar a yacimientos del Pleistoceno, para poder convertir los materiales extraidos en herramientas de trabajo para investigadores de diversas disciplinas. Por ello, la busqueda de soluciones tecnicas tanto de materiales como metodos de aplicacion ha de ir ...
openaire   +1 more source

Big Bird: A global dataset of birds in drone imagery annotated to species level

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Drones are a valuable tool for surveying birds, but manually detecting and identifying birds in drone images is costly. We assembled a diverse dataset of 23 865 images of birds captured with 21 different drones across 11 countries. We labelled 4824 of these images, detailing the location, species, posture category, age category, and sex of 49 990 birds
Joshua P. Wilson   +19 more
wiley   +1 more source

Hacia un modelo de plan de actuación flexible y adaptado al contexto.

open access: yesAvances en Supervisión Educativa, 2019
El desempeño por parte de los profesionales que ejercen la supervisión educativa necesita un marco regulador que guíe el conjunto de actuaciones y acciones en los centros educativos en aras de una racionalización y eficacia de las funciones y ...
Manuel Castillo García
doaj   +1 more source

Helminth Infections: Recognition and Modulation of the Immune Response by Innate Immune Cells [PDF]

open access: yes, 2018
The survival of helminths in the host over long periods of time is the result of a process of adaptation or dynamic co-evolution between the host and the parasite. However, infection with helminth parasites causes damage to the host tissues producing the
Ambrosio, Laura Fernanda   +7 more
core   +1 more source

Business Model and Sustainable Development Goals for an Innovative Agricultural Waste Management: Distributed Biogas Production

open access: yesSustainable Development, EarlyView.
ABSTRACT Technological progress and population growth have increased global pork demand; leading to a rise of methane emission from pig farming, a key contributor to climate change. Anaerobic digestion offers a sustainable solution by converting manure into biogas.
María‐Pilar Martínez‐Hernando   +5 more
wiley   +1 more source

Covalent Functionalization of NiFe Layered Double Hydroxides using Tris(Hydroxymethyl)Aminomethane

open access: yesSmall, EarlyView.
Covalent functionalization of NiFe layered double hydroxides with tris(hydroxymethyl)aminomethane enables controlled growth, enhanced structural order, and improved processability. Temporary TRIS anchoring promotes stable water‐based inks and binder‐free electrode fabrication, leading to enhanced oxygen evolution activity and long‐term stability under ...
Alvaro Seijas Da Silva   +8 more
wiley   +1 more source

High-Up: A Remote Reservoir of Microbial Extremophiles in Central Andean Wetlands [PDF]

open access: yes, 2015
The Central Andes region displays unexplored ecosystems of shallow lakes and salt flats at mean altitudes of 3700 m. Being isolated and hostile, these so-called “High-Altitude Andean Lakes” (HAAL) are pristine and have been exposed to little human ...
Albarracín, Virginia Helena   +7 more
core   +3 more sources

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