Results 81 to 90 of about 80,305 (287)
Energy Science &Engineering, EarlyView.A novel collaborative control technology of gob‐side entry retention with narrow roadside filling wall is proposed, wherein anchoring end of anchor cable must penetrate the boundary line of stress peak (plastic zone). ABSTRACT Gob‐side entry retention represents a major technological innovation in the history of coal mining, offering numerous ...
Wenxu Liang, Wei Fu, Ziwen Liu
wiley +1 more source
Energies renovables i món rural: desigualtats i democràcia [PDF]
, 2016 Partint d'una publicació de l'any 1985 sobre energies renovables i món rural, aquest article es planteja quin és el paper dels espais rurals i de les persones que hi viuen i hi treballen en el proveïment d'energia per a cobrir tant les necessitats ...
Puig i Boix, Josep
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Energy Science &Engineering, EarlyView.Investigating the differential impact of mining stress on roadways, we find that in horizontally stressed environments, the inner surrounding rock exhibits more pronounced macro‐meso damage compared to the outer side. ABSTRACT The control of surrounding rocks in dynamic pressure roadways has consistently been one of the challenging predicaments in the ...
Fan Lei +4 more
wiley +1 more source
El cambio de trayectoria de la política energética : una aproximación a los Planes de Energía Renovables mediante el modelo Punctuacted-Equilibrium [PDF]
, 2016 Los Planes de Energía Renovable han modificado la trayectoria de la política energética sobre promoción de fuentes de energía renovables en España. Desde la Comisión Europea se impulsan los objetivos energéticos de respeto ambiental, competitividad ...
Galcerán González, Oscar +1 more
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Key soil health indicators under humid grazing lands
Grassland Research, EarlyView.Soil health can be described using a few key soil health indicators that target a diversity of soil functions. This perspective article highlights how forage management affects these soil health indicators in humid‐zone grazing lands. Abstract Background Soil health describes critical soil functions influenced by land management. Although some key soil
Alan J. Franzluebbers
wiley +1 more source
Efectos de una alta penetración de energías renovables en el sistema eléctrico [PDF]
, 2014 The increased share of renewable energies has changed both power system functioning and conventional plants operation. With regard to the latter, power plants using fuel have change their operation mode to accommodate to the variability and partial ...
Bueno Lorenzo, Míriam
core +1 more source
La energía eólica en la provincia de Buenos Aires: el rol de las políticas públicas para su promoción [PDF]
, 2011 Despite its high wind potential, Argentina has failed in recent years coupled with the worldwide trend characterized by the increase in installed wind capacity.
Fernández, Cecilia
core +3 more sources
Journal of the Science of Food and Agriculture, EarlyView.Abstract The papaya tree (Carica papaya L.), native to the Americas, is cultivated in tropical regions and holds substantial economic importance, with an estimated export volume of 365 000 t in 2023. However, diseases caused by viruses, fungi, bacteria, and nematodes can lead to severe losses.
Luíza Favaratto +7 more
wiley +1 more source
Simulación de paneles semiflexibles en alumbrado público en Panamá
Revista de Iniciación Científica, 2018 Actualmente existen varios mecanismos sofisticados para obtener energía renovable. Se diseña un sistema alternativo para aprovechar la radiación solar en Panamá a fin de abastecer el sistema de alumbrado público, el cual es de gran importancia para los ...
Génesis Real +4 more
doaj +1 more source
Renewable Energies: “The New Economy” and Its Environmental Impact [PDF]
, 2016 El creciente consumo de energía y el desmesurado uso de los combustibles fósiles ha impulsado a las grandes economías del mundo a fomentar planes estratégicos e inversiones en el uso de las energías limpias vinculando a su formación nuevas tecnologías ...
Robayo Perdomo, Natalia
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