Results 51 to 60 of about 1,903 (253)

Durability performance of a high‐performance fiber‐reinforced concrete for bridge applications

open access: yesStructural Concrete, EarlyView.
Abstract This paper investigates the durability performance of a coarse‐aggregate high‐performance fiber‐reinforced concrete (HPFRC) developed as a cost‐efficient material solution for precast bridge applications. A comprehensive experimental program was conducted to assess the resistance of the material to the principal deterioration mechanisms ...
Rolando Baldiviezo   +6 more
wiley   +1 more source

Mechanical, rheological, and durability performances of GGBS‐based concrete for potential application to prestressed structures

open access: yesStructural Concrete, EarlyView.
Abstract Ground granulated blast‐furnace slag (GGBS) is a widely used clinker substitute in concrete, recognized for its potential to significantly reduce environmental impacts. However, its application in prestressed concrete remains limited in several countries, mainly due to concerns regarding early‐age mechanical performance and long‐term ...
D. Rolando Baldiviezo   +6 more
wiley   +1 more source

Hummingbird interaction niche packing is influenced by species richness and resource availability in the southern tropical Andes

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Niche partitioning is often considered an important mechanism promoting species co‐occurrence in species‐rich communities. As species richness increases, niche partitioning may lead to different niche structures, including increased packing of species niches when the ...
Bryan G. Rojas   +3 more
wiley   +1 more source

Wood anatomical trait correlations with hydraulic efficiency and safety in an aseasonal wet tropical forest

open access: yesFunctional Ecology, EarlyView.
Read the free Plain Language Summary for this article on the Journal blog. Abstract Xylem anatomy underpins the capacity of trees to transport water while avoiding hydraulic failure, shaping species performance and resilience to climate change. However, the specific ways anatomical traits underpin hydraulic trade‐offs in tropical forests remain debated.
Julia Valentim Tavares   +8 more
wiley   +1 more source

Trabajo en común, agricultura familiar y desarrollo rural: un trinomio interrelacionado, complementario y necesario en el campo español.

open access: yesEntorno Geografico, 2016
La agricultura familiar es vital para el desarrollo rural y la economía social del campo y sólo amparada bajo una estructura cooperativa puede ser viable y sobrevivir con dignidad a las crecientes exigencias del mercado.
José Antonio Segrelles Serrano
doaj   +1 more source

El impacto de la emigración en la estructura familiar

open access: yesAmérique latine histoire et mémoire, 2004
Entre los anos 2000 y 2003 muchos argentinos emigraron a otros paises. Segun estimaciones, partieron alrededor de 255.000; la mayoria jovenes que a pesar de haber alcanzado un alto nivel de escolarizacion no lograron insertarse en la estructura productiva local ni independizarse economicamente de sus padres. Se fueron tras un futuro mejor.
Raquel Sans, Andrés Ignacio Urrutia
openaire   +2 more sources

Fronting in Old Catalan: Asymmetries between Narration and Reported Speech1

open access: yesTransactions of the Philological Society, Volume 123, Issue 1, Page 1-28, March 2025.
Abstract This article explores the distribution, syntax, and information structure of XVS clauses in the narrative text and the reported speech of a thirteenth‐century Old Catalan chronicle, the Llibre dels Fets. It is shown that XVS occurs mainly within reported speech and in embedded clauses.
Afra Pujol i Campeny
wiley   +1 more source

«Mujer de mi madre». Identidad y funciones de los coprogenitores y de las coprogenitoras en familias reconstituidas no heteronormativas

open access: yesPapers, 2018
En este artículo se aborda la figura de los coprogenitores y de las coprogenitoras en las familias reconstituidas no heteronormativas. Se analiza tanto su identidad como los roles que desempeña dentro del conjunto de las relaciones familiares.
Gloria Alvarez Bernardo   +1 more
doaj   +1 more source

Vulgar Minimisers in English and Spanish1

open access: yesTransactions of the Philological Society, EarlyView.
Abstract In this paper, we investigated whether vulgar minimisers form a natural class in English and Spanish by evaluating (i) their similarities and differences with respect to non‐vulgar minimisers and (ii) whether vulgar minimisers are inherently negative in these languages.
Ángel L. Jiménez‐Fernández   +1 more
wiley   +1 more source

Descripción de la estructura familiar de una muestra de pacientes con hemofilia. Comparación Argentina-México [PDF]

open access: yesRevista Costarricense de Psicología, 2016
Las enfermedades crónicas como la hemofilia rebasan los marcos institucionales sanitarios y abarcan tanto la vida cotidiana de la persona como su entorno social. Esta situación se agudiza cuando el afectado es un hijo de edad pediátrica.
Maricela Osorio Guzmán, Silvina Graña
doaj  

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