Results 141 to 150 of about 81,316 (303)

Llamamiento a adoptar medidas urgentes para limitar los aumentos de temperatura en el mundo, restablecer la diversidad biológica y proteger la salud: Las naciones ricas deben hacer mucho más y con mayor rapidez. [PDF]

open access: yesRev Panam Salud Publica, 2021
Atwoli L   +18 more
europepmc   +1 more source

Monitoring of historical structural materials with computed tomography

open access: yesStructural Concrete, EarlyView.
Abstract Computed tomography (CT) is an excellent tool to solve certain engineering problems connected to material science (such as sulfate swelling, internal degradation due to freezing, and alkali silicate swelling) and to understand specific processes (frost peeling, acid action).
Kristóf Csorba   +5 more
wiley   +1 more source

Comparación de tecnologías de almacenamiento energético provenientes de energías renovables [PDF]

open access: yes, 2012
Después de analizar la situación energética actual y las distintas formas de almacenar la energía, sobre todo la proveniente de energías renovables, añadido a las preocupaciones sobre el cambio climático global, la degradación medioambiental resultante ...
Clemente Jul, María del Carmen
core   +1 more source

Early use of the reinforced concrete in the architecture of the Historicism in Austria–Hungary

open access: yesStructural Concrete, EarlyView.
Abstract The study examines the early incorporation of reinforced concrete in the architecture of Historicism in Austria–Hungary. Spanning the late 19th to early 20th centuries, the research illuminates the period's stylistic pluralism and the transformative impact of reinforced concrete.
Éva Lovra, Zoltán Bereczki
wiley   +1 more source

Oportunidades y desafíos para la integración energética entre Argentina y Brasil: el caso de las energías renovables [PDF]

open access: yes, 2014
Dado que el acceso a los recursos energéticos reviste gran importancia geopolítica y es fundamental en toda estrategia nacional para generar crecimiento económico, el tema de la seguridad energética se ha transformado en uno de los principales desafíos ...
Freier, Alexander
core  

On the preservation of reinforced concrete architectural masterpieces: The challenges of the REcube project

open access: yesStructural Concrete, EarlyView.
Abstract The preservation of reinforced concrete masterpieces from the 20th century poses a complex challenge. These structures often combine architectural, historical, and technological value, which standard engineering codes and conservation practices are not fully equipped to address. The Erasmus+ REcube project responded to this gap by promoting an
Elisabetta Margiotta Nervi   +2 more
wiley   +1 more source

Regulación en mercados energéticos: caso energía eólica (1990-2009) [PDF]

open access: yes, 2013
El “boom” de las energías alternativas, se desencadenó según la Comisión Europea (2012), a partir de los años 70, cuando la crisis del petróleo entregó de forma implícita un mensaje a todo el mundo sobre agotamiento de recursos, obligando a emprender la ...
Ballén Gutiérrez, Miguel   +1 more
core  

Performance enhancement of reinforced concrete columns using stainless steel and galvanized steel plates: Experimental and numerical investigation

open access: yesStructural Concrete, EarlyView.
Abstract This study introduces an innovative approach to strengthening defected reinforced concrete (RC) columns using externally bonded stainless steel and galvanized steel plates. Unlike conventional strengthening methods, this technique replaces traditional transverse stirrups with steel sheets, providing enhanced confinement and ductility.
Ahmed Hamoda   +5 more
wiley   +1 more source

Temporal and Spatial Organization in Collaborative Work by Nurses in an Emergency and Critical Care Center

open access: yesSymbolic Interaction, EarlyView.
This study describes the work at an emergency and critical care center, focusing on the collaboration of multiple nurses when moving patients from the outpatient department to the ward. This study is an ethnomethodological ethnography based on fieldwork at a hospital and analysis of video data. The patient transport process is temporally organized into
Hiroki Maeda, Yumi Nishimura
wiley   +1 more source

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