Results 61 to 70 of about 12,062 (256)

Cybianthus anthuriophyllus (Primulaceae), a new record for the flora of Colombia: distribution modeling and conservation assessment

open access: yesNordic Journal of Botany, EarlyView.
Cybianthus anthuriophyllus (Primulaceae) was previously known from eastern Ecuador and northern Peru. Here we document the first confirmed occurrences of this species in Colombia and develop a distribution model based on collections from the Andean–Amazonian foothills of Caquetá, Cauca, and Putumayo departments, in order to clarify its conservation ...
David Hoyos   +4 more
wiley   +1 more source

Análisis y caracterización de los sonidos cardíacos de una ballena jorobada adulta en su entorno natural

open access: yesRevista Colombiana de Computación, 2008
En el desarrollo de un trabajo conjunto en el grupo de investigación SCVS, dirigido por el Dr. Jorge Reynolds Pombo, se plantea un estudio sobre la conducta y características del funcionamiento del corazón de la ballena, por un medio no invasivo ...
Maribel Anaya Vejar   +3 more
doaj  

Multi‐Scale Characterization of PLA Composites With Natural‐Based Reinforcements: From Filament to 3D‐Printed Parts

open access: yesPolymer Composites, EarlyView.
Thermal, microstructural, and mechanical characterization of 3D‐printed PLA composite parts. ABSTRACT To address plastic waste and agricultural residue underutilization, this study evaluates the thermal (DSC and FTIR), microstructural (SEM), and mechanical behavior of polylactic acid (PLA) reinforced with flax fibers and olive pit particles, processed ...
P. N. B. Reis   +6 more
wiley   +1 more source

Lessons from the COVID-19 Pandemic

open access: yesAquichan, 2020
Lecciones que deja la pandemia por Covid-19 Lições que a pandemia da COVID-19 deixa La falta de visión y de recursos de los sistemas de salud de las naciones de América Latina y El Caribe no ha permitido enfrentar de manera adecuada la pandemia por el ...
Olivia Sanhueza-Alvarado
doaj   +1 more source

“Cold Tropics”: Permafrost Existence and Thickness on Eastern Nevado Coropuna (Southern Peruvian Andes) Revealed by Ground‐Penetrating Radar and Geoelectrical Soundings

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT The existence of permafrost was explored at tropical latitude on Nevado Coropuna (southern Peruvian Andes) using a combination of ground‐penetrating radar (GPR) and vertical electrical sounding (VES) in order to strengthen the mutual validation of data processing and interpretation.
Velnia Chacca   +6 more
wiley   +1 more source

EL PROGRAMA AUDIT DE LA ANECA Y LAS NORMAS INTERNACIONALES ISO 9000. ANÁLISIS COMPARATIVO

open access: yesEducación XX1, 2015
Los autores realizan un análisis comparativo entre el programa AUDIT de la Agencia Nacional de Evaluación de la Calidad y Acreditación (ANECA) y la familia de Normas ISO 9000.
Jorge Antonio Arribas Díaz   +1 more
doaj   +1 more source

ESCuela

open access: yes
This volume offers practical insights into designing education that prepares students to navigate transitions in their professional futures by learning the basics of Systemic Co-Design. It also exemplifies how Systemic Co-Design can be an innovative approach to designing future-proof education with diverse stakeholders.
Onselen, Lenny van   +4 more
openaire   +2 more sources

Deep Reinforcement Learning‐Based Control for Real‐Time Hybrid Simulation of Civil Structures

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Real‐time Hybrid Simulation (RTHS) is a cyber‐physical technique that studies the dynamic behavior of a system by combining physical and numerical components that are coupled through a boundary condition enforcer. In structural engineering, the numerical components are subjected to environmental loads that become dynamic displacements of the ...
Andrés Felipe Niño   +6 more
wiley   +1 more source

URBANIDADES Y ESCUELA

open access: yesRevista de la Escuela de Ciencias de la Educación, 2013
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openaire   +3 more sources

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

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