Results 81 to 90 of about 4,800,406 (212)

Cobalto, història d'una iniciativa editorial (1947-1953)

open access: yesLocvs Amoenvs, 1997
En complir-se el cinquantenari del naixement de l'editorial Cobalto, es presenta el primer article que analitza en profunditat el procés de l'editorial Cobalto (1947-1953). L'editorial apareix amb Cobalto.
Jaume Vidal Oliveras
doaj   +1 more source

Generalized Hantzsche-Wendt Flat Manifolds

open access: yes, 2005
We study the family of closed Riemannian n-manifolds with holonomy group isomorphic to $Z_2^{n-1}$, which we call generalized Hantzsche-Wendt manifolds.
Rossetti, Juan Pablo   +1 more
core  

Entrevista amb Hans Freudenthal, defensor de l'ensenyament de la geometria [PDF]

open access: yes, 2014
Freudenthal va visitar Barcelona de camí cap a Saragossa, on va participar en les Terceres Jornades d'Aprenentatge i Ensenyament de les Matemàtiques que es van celebrar el passat mes d'abril.
Redacció Revista
core   +1 more source

The Case of the Missing Green Iguana Predators: Reviews of Ecological Literature Should Go Beyond Google Scholar

open access: yesThe Bulletin of the Ecological Society of America, Volume 107, Issue 2, April 2026.
Abstract Knowing about species interactions is essential for ecological research, conservation efforts, resource management, and maintaining healthy ecosystems, but many of these, such as reports of predation, may not always be published in easily located resources—if they are published at all.
Matthijs P. van den Burg, Hinrich Kaiser
wiley   +1 more source

A Revista Portuguesa de Cardiologia e o futuro: o que queremos e o que não queremos

open access: yesRevista Portuguesa de Cardiologia, 2022
Nuno Cardim   +10 more
doaj   +1 more source

PARAMETRIC STUDY OF THE INFLUENCE OF WIND ON THE DESIGN OF STEEL TUBULAR TOWERS WITH DIFFERENT GEOMETRIES ACCORDING TO THE EUROCODES

open access: yesce/papers, Volume 9, Issue 1, Page 374-383, April 2026.
Abstract The geometries of metallic tubular towers directly influence the interaction between wind action and the structural response of the tower itself. Analyzing these configurations and understanding how this interaction occurs is fundamental for proper structural design.
Márcio Carvalho   +4 more
wiley   +1 more source

Campos historiográficos y debates teóricos en la Revista de Historia Social y de las Mentalidades. Chile, 1999-2012

open access: yesAnuario Colombiano de Historia Social y de la Cultura, 2013
Este artículo expone la trayectoria académica y las características científicas de la Revista de Historia Social y de las Mentalidades, adscrita al Departamento de Historia de la Universidad de Santiago de Chile. El artículo se propone analizar y evaluar
Igor Goicovic Donoso
doaj  

Integrating computational thinking into secondary school mathematics teaching: A literature review

open access: yesReview of Education, Volume 14, Issue 1, April 2026.
Abstract Computational thinking (CT) has established itself as a fundamental skill for the 21st century, driving its integration into various disciplines, especially mathematics. This systematic review of the literature aimed to analyse how the integration of CT has been conceptualized and implemented in mathematics teaching in the context of secondary
María Isabel Ruiz Recio   +2 more
wiley   +1 more source

REVISTA AÇÃO ERGONÔMICA: CHAMAMENTO À COMUNIDADE BRASILEIRA DE ERGONOMIA

open access: yesAção Ergonômica, 2023
Raoni Rocha Simões   +2 more
doaj   +1 more source

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