Results 51 to 60 of about 42,421 (197)

Green Hydrogen as a Sustainability Transition in Spain: Motivations and Implications for Energy Governance

open access: yesSustainable Development, EarlyView.
ABSTRACT Green hydrogen has emerged as a strategic component of Spain's decarbonization agenda, with the country leveraging its renewable energy potential and industrial capabilities to align with the European Union's climate goals. Drawing on a multidimensional theoretical framework, this article examines the key drivers shaping Spain's green hydrogen
Zeynep Arıöz, Xira Ruiz‐Campillo
wiley   +1 more source

Cronología de los procesos kársticos en los montículos cámbricos del Cerro del Hierro (Zona de Ossa-Morena, Sevilla, SO de España)

open access: yes, 1999
Ministerio de Educación y Cultura (España)Depto. de Geodinámica, Estratigrafía y PaleontologíaFac.
Álvaro, J. Javier   +3 more
core  

Faraway, so close! : technology diffusion and firm heterogeneity in the medium term cycle of advanced economies [PDF]

open access: yes, 2019
Versión actualizada (mayo 2019)Las grandes empresas de Estados Unidos, al difundir tecnología a través del comercio de intermedios, parecen ser clave para la producción de Europa en el medio plazo.
Correa López, Mónica, Blas, Beatriz de
core  

Las cargazones del galeón de la Carrera de Poniente: primera mitad del siglo XVII [PDF]

open access: yes, 2000
Editada en la Fundación Empresa PúblicaEl objetivo de este trabajo es discutir cómo la visión tradicional del comercio Acapulco-Manila, centrado en el envío, casi exclusivo, de plata con dirección a Filipinas, restringe el estudio del comercio exterior ...
Ostwald Sales Colín   +1 more
core   +1 more source

Experimental and design‐oriented research on fiber reinforced concrete segmental tunnel linings: A systematic review

open access: yesStructural Concrete, EarlyView.
Abstract The use of fiber reinforced concrete (FRC) in precast tunnel segments is among the most established and representative applications of this material. Over the past two decades, numerous tunnel linings were constructed with partial or total substitution of conventional steel reinforcement by fibers, this yielding to quantifiable benefits in ...
Vladimir Rusanov   +4 more
wiley   +1 more source

Why are some Spanish regions so much more efficient than others? [PDF]

open access: yes
This article investigates the main sources of heterogeneity in regional efficiency. We estimate a translog stochastic frontier production function in the analysis of Spanish regions in the period 1964-1996, to attempt to measure and explain changes in ...
Jaume Puig, Jaime Pinilla
core  

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

Reassessing sixteenth and seventeenth century written accounts of hurricanes in the North Atlantic Ocean and the Caribbean Sea

open access: yesWeather, EarlyView.
Abstract While the North Atlantic’s five‐century hurricane history is among the most complete globally, the earliest centuries are poorly documented in the written record. This study reassesses a subset of sixteenth to seventeenth‐century tropical cyclones (TCs) through a systematic review of archival evidence, mainly from Spain’s colonial archive, the
William Gomez Pretel, Michael Chenoweth
wiley   +1 more source

Biological invasions disrupt the relationship between size spectrum and trophic interactions in freshwater fish communities

open access: yesJournal of Animal Ecology, EarlyView.
Our study shows that non‐native species alter the relationship between the size‐spectrum slope and the predator–prey mass ratio (PPMR) in freshwater fish communities by occupying distinct trophic niches. Abstract The size spectrum, which describes the relationship between abundance (or biomass) and body size, is an ataxic approach that can provide ...
Valentin Marin   +3 more
wiley   +1 more source

Historia de la organización de la vida consagrada en España

open access: yes, 2021
The investigation it crosses the different stages of the consecrated life in Spain. The work begins with the creation of the SIRE (The Secretariat of the Religious Institutes of Spain) which is an association of civil character.
Vallecillo Martín, Miguel
core  

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