Results 41 to 50 of about 177,381 (230)

Infraestructura, integración y equidad: el impacto social de la infraestructura sanitaria y de transporte de personas. [PDF]

open access: yes, 2008
Hay un consenso entre académicos y practitioners sobre la existencia de una relación positiva entre más y mejor infraestructura y crecimiento económico. Respecto del fenómeno más amplio del desarrollo, la literatura ha procurado
Ferro, Gustavo, Lentini, Emilio
core  

Microstructural and macrostructural characterization of mortars with partial cement replacement by Electric Arc Furnace Dust (EAFD)

open access: yesNext Materials
This research investigates the microstructural and macrostructural effects of incorporating EAFD as a partial cement replacement in mortar mixtures and analyzes their behavior in both the fresh and hardened states.
Carlos Herrera   +4 more
doaj   +1 more source

Método de Aproximación Catenaria en el diseño de estructuras antifuniculares

open access: yesInformes de la Construccion, 2014
Este artículo describe una nueva metodología para resolver un problema típico del diseño de estructuras antifuniculares: cómo obtener una configuración de equilibrio partiendo de condicionantes geométricos iniciales.
M. Cañete-Güeto   +2 more
doaj   +1 more source

Adding the Farmer Domain to Aquifer Recharge: Insights From Smallholder Farmers' Natural Water Retention Measures in the Danube–Tisza Interfluve, Hungary

open access: yesWorld Water Policy, Volume 12, Issue 4, November 2026.
ABSTRACT This paper describes and analyzes recharge practices in Bács‐Kiskun County, Hungary, within what can be categorized as the farmer domain. Such locally embedded aquifer recharge practices remain underexplored in Hungary. Current research and funding largely focus on large‐scale Managed Aquifer Recharge (MAR) interventions emphasizing intended ...
Helen Sundberg, Michael Gilek
wiley   +1 more source

Towards Sustainable Urban Tourism: Carbon Accounting of Allegorical Float Construction in Major Cultural Festivals

open access: yesUrban Science
Assessing carbon footprints has become increasingly important globally as a key tool for quantifying environmental impacts and supporting sustainable decision-making.
Angélica Tirado-Lozada   +1 more
doaj   +1 more source

Decarbonization and the Rescaling of Water–Energy Bargaining: How Renewable Expansion Is Reshaping Iran–Iraq–Türkiye Transboundary Water Politics

open access: yesWorld Water Policy, Volume 12, Issue 4, November 2026.
ABSTRACT This article examines how renewable‐energy expansion is changing water–energy bargaining among Iran, Iraq, and Türkiye in the Tigris–Euphrates basin. Much of the existing literature on transboundary water politics focuses on territorial control, upstream–downstream power asymmetries, legal rules, and hydro‐hegemony but gives less attention to ...
Umud Shokri
wiley   +1 more source

One cell test para el estudio in vitro de citotoxicidad del extracto de una planta de la flora colombiana

open access: yesRevista Colombiana de Biotecnología, 2004
Este estudio se realizó con el fin de evaluar la toxicidad del extracto de Abuta grandifolia mediante la técnica de One cell test. El extracto etanólico se preparó mediante secado y pulverización del tallo de la A.
Daniel Saúl   +3 more
doaj  

Identifying the exposure of taxonomic, functional, and phylogenetic diversity of steppe birds to renewable energy development

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Biodiversity is globally threatened by human impacts, including land‐use transformation and climate change, which has prompted a rapid transition from fossil fuels to cleaner energy sources, such as photovoltaic (PV) energy. However, utility‐scale PV plants require vast areas and can lead to conflicts with biodiversity conservation, making ...
Pablo Medrano‐Vizcaíno   +10 more
wiley   +1 more source

Risks of concealing environmental degradation

open access: yesConservation Biology, Volume 40, Issue 5, October 2026.
Abstract Current practice seeks to conceal the visual impact of land‐use change (i.e., development). Six percent of development impact assessments in Australia and 14% of the World Bank's assessments recommend visual impact mitigation. This mitigation results in, for example, vegetated buffer strips alongside cleared agricultural areas and earthen ...
Matt W. Hayward   +8 more
wiley   +1 more source

Hacia la administración contractual colaborativa en la obra pública en el Perú: propuestas de aplicación

open access: yesDerecho & Sociedad, 2020
En el presente artículo se proponen las bases para la elaboración y aplicación de un protocolo de administración contractual colaborativa dentro del marco vigente para las obras públicas en el Perú, que facilite la ejecución y terminación de los ...
Campos Medina, Alexander   +1 more
doaj  

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