Results 41 to 50 of about 44,129 (227)

Agrarian counterpoint

open access: yesAmerican Ethnologist, Volume 53, Issue 2, Page 171-182, May 2026.
Abstract In Colombia's northeastern borderlands, agrarian economies shape how disease risk and stigma are understood and managed. As shown in ethnographic fieldwork in and around the Catatumbo region, cutaneous leishmaniasis—a sandfly‐transmitted disease that produces chronic skin lesions—appears in two radically different guises across adjacent ...
Javier Lezaun, Lina Pinto‐García
wiley   +1 more source

Comportamiento a fractura de polímeros envejecidos

open access: yesRevista de Metalurgia, 2001
Se estudia aquí el comportamiento a fractura en régimen dinámico de tres tipos de materiales compuestos: dos de ellos fabricados a partir de una misma resina termoplástica reforzada con tejido de fibra de vidrio o de carbono y el otro a partir de una ...
A. Argüelles   +3 more
doaj   +1 more source

Elevation, rather than land use, causes important dietary shifts in the Mediterranean golden eagle

open access: yesJournal of Zoology, Volume 329, Issue 1, Page 25-37, May 2026.
In an ever‐changing landscape, golden eagles in the Iberian Peninsula demonstrate remarkable dietary adaptability. We monitored 50 distinct breeding events over 4 years using camera traps, collecting over 520 000 images. Elevation, rather than land use, emerged as the main driver of prey composition: lagomorphs and columbiforms dominated at lower ...
D. Gambra   +7 more
wiley   +1 more source

CONNECT4C SYSTEM: CASE STUDY

open access: yesce/papers, Volume 9, Issue 1, Page 424-434, April 2026.
Abstract The European CONNECT4C project is focused on the development of innovative steel joints that boost the reusability of steel buildings from the design stage. These joints include demountable column splices, adaptable moment‐resisting joints, and modular pinned connections.
Tiago Alves   +4 more
wiley   +1 more source

Documentos oficiales [Cuerpo de Ingenieros de Minas del Perú] [ Boletín n° 1]

open access: yes, 1902
La Dirección del Cuerpo de Ingenieros Minas inicia la serie de boletines, con los documentos oficiales relativos a la creación y organización del Cuerpo de Ingenieros de Minas del Perú, precedido de una exposición sobre sus antecedentes, fines y planes ...
Cuerpo de Ingenieros de Minas del Perú
core  

Disminución de las propiedades mecánicas de compuestos de matriz termoplástica tras dilatada permanencia en agua oxigenada

open access: yesRevista de Metalurgia, 2001
Se ha analizado la evolución de las propiedades mecánicas, tanto estáticas como dinámicas, de dos composites de matriz termoplástica reforzados con tejido de fibra de vidrio y fibra de carbono, tras mantener inmersas probetas de ambos materiales en una ...
J. Viña   +3 more
doaj   +1 more source

Jorge Luis Borges' Medieval Aesthetics of Failure

open access: yes
Critical Quarterly, EarlyView.
Irina Dumitrescu
wiley   +1 more source

Effect of PWHT and Electrical Parameters on Austenitic Phase, Sigma Phase and Corrosion in Duplex Steels S32205

open access: yesEngineering Reports, Volume 8, Issue 4, April 2026.
Welding power and post‐weld heat treatment (PWHT) at 850°C influence phase transformations in S32205 duplex stainless steel, promoting sigma phase formation and reducing corrosion resistance. PWHT at 850°C also replicates HAZ‐like microstructures in base metal, enabling improved characterization of weld joint properties.
Sandra Chacón‐Fernández   +2 more
wiley   +1 more source

La gestión científica del trabajo en los ferrocarriles españoles hasta la década de 1970: la mirada de los ingenieros

open access: yesH-Industri@, 2015
Este trabajo analiza las reflexiones de los ingenieros españoles sobre las posibilidades de aplicación práctica de los principios de la administración científica del trabajo al sector ferroviario, con especial atención al caso de los talleres de grandes ...
Tomás Martínez Vara   +1 more
doaj  

Local canopy cover, shade tree identity and landscape tree cover shape leaf‐cutter ant nest density and herbivory in cacao agroforestry systems

open access: yesJournal of Applied Ecology, Volume 63, Issue 4, April 2026.
Our findings provide practical guidance for agroforestry management by demonstrating that intercropping with selected species can mitigate damage from leaf‐cutter ants in cacao agroforests. At the landscape scale, high tree cover was associated with low herbivory rates, emphasising the need to maintain or restore forested habitats.
Blanca Ivañez‐Ballesteros   +8 more
wiley   +1 more source

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