Results 31 to 40 of about 7,583 (186)
Este estudio se realizó con el fin de evaluar la toxicidad del extracto de Abuta grandifolia mediante la técnica de One cell test. El extracto etanólico se preparó mediante secado y pulverización del tallo de la A.
Daniel Saúl +3 more
doaj
Método de Aproximación Catenaria en el diseño de estructuras antifuniculares
Este artículo describe una nueva metodología para resolver un problema típico del diseño de estructuras antifuniculares: cómo obtener una configuración de equilibrio partiendo de condicionantes geométricos iniciales.
M. Cañete-Güeto +2 more
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Digital Futures Between Participatory Digital Democracy and Participatory Digital Fascism
ABSTRACT This paper explores one of the defining political questions of the twenty‐first century: will digital technologies strengthen democracy or accelerate new forms of authoritarianism and fascism? Against the backdrop of platform capitalism, AI‐driven communication, surveillance infrastructures, disinformation and democratic crisis, the study asks
Christian Fuchs +2 more
wiley +1 more source
El Laboratorio Nacional de Materiales y Modelos Estructurales (LanammeUCR) de la Universidad de Costa Rica, realiza cada dos años una evaluación de la red vial nacional pavimentada (ERVN), la cual sirve como instrumento para la gestión de dicha ...
Gustavo Badilla Vargas +1 more
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ABSTRACT The integration of artificial intelligence (AI) in healthcare is rapidly evolving, offering immense potential to transform service delivery, diagnostics, and health systems governance. However, Sub‐Saharan Africa faces significant readiness challenges due to limited infrastructure, capacity gaps, and fragmented digital strategies.
Said Baadel +3 more
wiley +1 more source
Assessing carbon footprints has become increasingly important globally as a key tool for quantifying environmental impacts and supporting sustainable decision-making.
Angélica Tirado-Lozada +1 more
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La determinación de las concentraciones geoquímicas de base es necesaria para la legislación ambiental y toma de decisiones, especialmente en la evaluación de suelos contaminados.
R. Jiménez Ballesta +3 more
doaj +1 more source
Abstract Confronted by daunting environmental risks and disasters, communities in the Caribbean–particularly those in economically disenfranchised areas–face disproportionate consequences from climate change, such as hazardous air and water quality.
Kristin B. Raub +7 more
wiley +1 more source
Making a Living: The Digitization of Rebusques Among Colombians
ABSTRACT This article examines making a living through the digitization of rebusque, a Colombian term for practices within the informal economy. Drawing on multi‐sited digital ethnography conducted between 2020 and 2025 with Colombian immigrants in Chile and in Colombia, I show how rebusques became central to economic survival during the COVID‐19 ...
Julián Andrés Riveros Clavijo
wiley +1 more source
En el presente artículo se proponen las bases para la elaboración y aplicación de un protocolo de administración contractual colaborativa dentro del marco vigente para las obras públicas en el Perú, que facilite la ejecución y terminación de los ...
Campos Medina, Alexander +1 more
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