Results 31 to 40 of about 4,880 (168)

Production of building elements based on alkali-activated red clay brick waste

open access: yesRevista Facultad de Ingeniería, 2016
This paper analyzes the feasibility of reusing a red clay brick waste (RCBW) in order to produce building elements such as blocks, pavers and tiles, by using the technique of alkaline activation. The production of these building elements was based on the
Rafael Andres Robayo-Salazar   +2 more
doaj   +1 more source

Prohibited Plants: Converging Sustainability Transitions and Local Development in ‘Left‐Behind Places’

open access: yesSustainable Development, EarlyView.
ABSTRACT This paper examines the relationship between sustainability transitions and local development through the case of Colombia's medicinal cannabis industry. It highlights how neglecting place‐specific needs and development expectations can hinder equitable transitions and reinforce existing socio‐economic disparities.
Diana Morales, Mónica Ramos‐Mejía
wiley   +1 more source

Análisis de comunidades cerradas de Facebook para mejorar el desarrollo del vocabulario en inglés como lengua extranjera a través del método clase invertida

open access: yesBoletín Redipe, 2019
Esta comunicación reitera la fundamental importancia que hoy se le concede a las herramientas Tecnológicas para en los procesos de enseñanza aprendizaje es por ello que el objetivo general de esta investigación es: crear ambientes de aprendizaje para ...
Manuel Alejandro Salazar Chica   +3 more
doaj   +1 more source

Extent, characteristics and policy applications of Key Biodiversity Areas

open access: yesBiological Reviews, Volume 101, Issue 4, Page 1735-1759, August 2026.
ABSTRACT A global standard for the identification of Key Biodiversity Areas (KBAs) was published 10 years ago to provide a unified set of criteria for identifying ‘sites of significance for the global persistence of biodiversity’. We review the initiative's origins, the KBA identification process, characteristics of the current network, threats, policy
Stuart H. M. Butchart   +57 more
wiley   +1 more source

Obituario. Académico Doctor Óscar Ayala Reina

open access: yesMedicina, 2014
Obituario.
Capítulo Valle del Cauca
doaj  

Pseudothrombocytopenia due to platelet aggregates in an infant: A case report

open access: yesMagna Scientia UCEVA, 2023
This case report describes the finding of EDTA-dependent Pseudothrombocytopenia in an 8-month-old infant, an extremely rare condition not reported in the literature.
Esteban Artunduaga-Cañas   +5 more
doaj  

Social vulnerability shapes deep clinical phenotypes and brain health in aging and dementia across Latin America

open access: yesAlzheimer's &Dementia, Volume 22, Issue 6, June 2026.
Abstract INTRODUCTION Adverse social conditions across the life course influence brain aging and dementia, yet their compounded impact on clinical phenotypes remains underexplored, particularly in Latin America, where social inequality and dementia burden are high.
Temitope Farombi   +36 more
wiley   +1 more source

Birds of Valle del Cauca, Colombia

open access: yesBiota Colombiana, 2020
The avifauna of the department of Valle del Cauca, Colombia, has been one of the best studied biological groups in Colombia since the late 19th century. As a result of these information compilations, estimates of species richness range between 818 and 1025 species.
Giovanni Cárdenas   +5 more
openaire   +1 more source

Vocal Phenology of Forest Tinamous Along a Latitudinal Gradient: Effects of Daylength and Precipitation

open access: yesEcology and Evolution, Volume 16, Issue 6, June 2026.
Based on an analysis of eBird records, this study finds that the vocal patterns of tropical forest tinamous are primarily influenced by changes in daylength, with a secondary effect of precipitation. Birds sang more when days were longer or shorter than 12 h and during drier periods, especially in wetter regions.
Oscar Laverde‐R.   +3 more
wiley   +1 more source

Evaluación de la seroconversión de anticuerpos contra SARS-COV-2

open access: yesMagna Scientia UCEVA, 2022
Conocer la respuesta inmunitaria dada por la presencia de anticuerpos detectables y demostrar la presencia de anticuerpos específicos generada por la seroconversión, son parámetros útiles en el momento en el cual, se llevó a cabo la investigación, para ...
Diego Fernando López Muñoz   +5 more
doaj   +1 more source

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