Results 121 to 130 of about 1,700,573 (209)

"Es que conozco uno diferente, que vuela más": la construcción de juguetes como técnica de investigación con niños

Revista Brasileira de Estudos Pedagógicos
Resumen: El texto se refiere al artículo de una tesis de doctorado defendida en el Programa de Posgrado en Educación de la Universidad de Brasilia. El trabajo articula cuestiones metodológicas y de entrada al campo a partir de una etnografía realizada ...
Flávia Martinelli Ferreira, Ingrid Dittrich Wiggers   +1 more
doaj   +1 more source

Polychaetes Aquaculture: Global Successes and Opportunities for Development in Latin America

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
A systematic review, conducted in accordance with the PRISMA guidelines, synthesises global advances in polychaetes aquaculture and evaluates their implications for sustainable development in Latin America. Evidence from leading producer countries shows that there are many different applications in areas such as aquafeed and bioremediators (IMTA ...
Melissa Herrera‐Perez, Agustina Ferrando   +1 more
wiley   +1 more source

Per and Polyfluoroalkyl Substances‐Free Poly(ionic liquid) Reinforced with Cellulose Nanofibrils as Sustainable Electrolyte for High‐Voltage Solid‐State Lithium Batteries

Batteries &Supercaps, Volume 9, Issue 4, April 2026.
Lithium metal batteries offer high energy density, but require safer, more stable, and sustainable electrolytes. Per and polyfluoroalkyl substances‐free polymer electrolytes based on poly(diallyldimethylammonium) bis(fluorosulfonyl)imide, N‐methyl‐N‐propylpyrrolidinium bis(fluorosulfonyl)imide, and lithium bis(fluorosulfonyl)imide, reinforced with ...
Carlos Villacis‐Segovia, Erlantz Lizundia, Kevin Vattappara, Hans‐Jürgen Grande, Andriy Kvasha, Irune Villaluenga   +5 more
wiley   +1 more source

Evaluating Youth Participatory Action Research in the Americas: Comparative Insights on Empowerment, Methodologies, and Social Change

Journal of Adolescence, Volume 98, Issue 3, Page 698-723, April 2026.
ABSTRACT Introduction Youth Participatory Action Research (YPAR) positions adolescents as co‐researchers to investigate and address social issues affecting their lives. While YPAR has gained global prominence, comparative research examining how it is conceptualized and practiced across regional contexts remains limited.
John Diaz, Paola Velasquez Quintero, Cody Gusto, Ivan Muñoz‐Echeverri, Camilo Norena Herrera, Laura Valencia   +5 more
wiley   +1 more source

Highresolution 2d imagesmicromachined with nanosecond laser [PDF]

, 2014
A fin de posibilitar el micromaquinado láser de distintas imágenes 2D sobre sustratos de silicio, se diseñó un Sistema Automático por Software que permite en líneas generales: analizar y procesar digitalmente en tiempo real cualquier imagen ...
Agüero, Mónica Beatriz, Diodati, Francisco Piero, Fidalgo, Luis Enrique, Hnilo, Alejandro Andrés, Kovalsky, Marcelo Gregorio, Krygier, David, Myriam Nonaka, Radulovich, Oscar Luis, Touron, Hector Alejandro   +8 more
core  

Strengthening responsibilities to face global crises: A call to ecologists, environmental scientists and their societies

People and Nature, Volume 8, Issue 4, Page 800-807, April 2026.
Abstract Despite research and outreach efforts by ecologists and environmental scientists (EES), environmental crises continue to escalate. As a diverse group of concerned EES, we perceived a lack of clear guidance to articulate individual actions to improve sustainability.
Carlos Alberto Arnillas, Gisela C. Stotz, Andrea Monica D. Ortiz, Javiera Beatriz Chinga Chamorro, Mariana C. Chiuffo, Sharon K. Collinge, Rebecca W. Kariuki, Hazel Norman, Helen M. Regan, Kristiina Visakorpi, Kadambari Devarajan, Alexandra‐Maria Klein, Florian Schnabel, Anni Arponen, Marc W. Cadotte, Roger Cousens, Ken Ehrlich, Marilyn Grell‐Brisk, Lesley Hughes, Heather M. Kharouba, Tara G. Martin, Ana Carolina Prado‐Valladares, Libby Rumpff, Bruno E. Soares, Michael Williams, Marten Winter, Florencia A. Yannelli, Menilek Beyene, Sula Fernando, Thomas Hart, Minna Santaoja, Nicolás Santos Domínguez   +31 more
wiley   +1 more source

INTERDIFUSIÓN EN PELICULAS DE HG1-xCDxTE SOBRE CD TE

Anales (Asociación Física Argentina), 2013
Se crecen películas de HG1-xCdxTe (MCT) con x=0,2 por la técnica de VPE (epitaxia en fase vapor) sobre CdTe orientado (111)Te, (111)Cd, (110) y (110), en un rango de temperaturas (593± 1 ...
A B Trigubo, N E Walsoe de Reca
doaj  

PMITO - Plataforma móvil para investigación de técnicas de odometría [PDF]

, 2016
El presente trabajo describe el diseño y construcción de una plataforma móvil con anillos de sensores infrarrojos y sensores ultrasónicos como dispositivos para la medición de distancia, los cuales serán posteriormente utilizados para la navegación de ...
Fernández Mesa, Marlon Andrey, Yepes Valencia, Julio Cesar   +1 more
core  

Towards a Novel Biocontrol Strategy: High Performance of Optimised Cell Wall‐Degrading Enzymes Secreted by Escovopsis primorosea LBM 277

Environmental Microbiology Reports, Volume 18, Issue 2, April 2026.
Escovopsis primorosea LBM 277 efficiently produced proteases, β‐1,3‐glucanases and chitinases under submerged fermentation using Leucoagaricus gongylophorus cell walls and Mandels complex. RSM‐BBD optimization significantly increased enzyme activity. The enzymatic cocktail remained stable for 30 days at room temperature and pH 4–6, aligning with the ...
Marcela Paola Barengo, Natalia Soledad Amerio, Gustavo Ángel Bich, Pedro Darío Zapata, María Lorena Castrillo   +4 more
wiley   +1 more source

Arquitectura con objetos reutilizados. Procesos tecnológicos de reutilización y transformación de objetos en desuso

Area, 2020
La problemática ambiental de los residuos sólidos se encuentra latente y forma parte de la actualidad no solo a nivel local sino también a nivel internacional. La tasa de generación de residuos prevista a nivel mundial será de un 44% superior para el año
Magdalena Molina, Eliana Cangelli, Mariana Gatani   +2 more
doaj