Results 61 to 70 of about 65,427 (171)

Simulación de paneles semiflexibles en alumbrado público en Panamá

open access: yesRevista 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

Calentador solar de agua para usos domésticos con control de variables y funcionamiento con Arduino [PDF]

open access: yes, 2017
El Salvador es un país que posee un alto nivel de consumo de energía eléctrica y se encamina a que ésta crezca cada día más; desgraciadamente para su generación, muchas delas fuentes que se utilizan son a base de hidrocarburos, que como se ha comprobado ...
Barrientos Mónico, Carlos Roberto
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Integrated green extraction of phenolic compounds and fermentable sugars from grapefruit peel using ultrasound and enzymatic hydrolysis

open access: yesJournal of the Science of Food and Agriculture, Volume 106, Issue 3, Page 1839-1851, February 2026.
Abstract BACKGROUND Valorizing sugar‐rich food waste in biorefineries offers a sustainable route to bio‐based products. Grapefruit peel (GP), representing about 50% of the fruit's weight, is rich in sugars (soluble and insoluble) and polyphenols such as flavonoids.
María del Prado García‐Aparicio   +2 more
wiley   +1 more source

¿Quo Vadis energía renovable? El estado de la cuestión en España [PDF]

open access: yes, 2015
El artículo muestra la situación de las energías renovables a nivel mundial, europeo y del Estado español, las fortalezas y debilidades de estas, y el revuelo que crea la nueva propuesta sobre el RD de autoconsumo y la posición del Estado español ...
Gifreu Font, Antoni
core   +1 more source

Volatile Energy, Stunted Investment: How Energy Price Inflation Shapes Foreign Direct Investment Into Africa

open access: yesWorld Affairs, Volume 189, Issue 1, Spring 2026.
ABSTRACT In the study, we investigate the roles energy price inflation and its volatility play in shaping foreign direct investment (FDI) inflow into Sub‐Saharan Africa (SSA). Applying data from 37 SSA economies between 2002 and 2023 and the system generalized method of moments (GMM) as the estimation strategy to account for endogeneity, the results ...
Chimere O. Iheonu   +2 more
wiley   +1 more source

Impacto de las energías renovables sobre el precio de la electricidad [PDF]

open access: yes, 2018
El propósito de este trabajo consiste en investigar los efectos de la generación de energía renovable sobre los precios finales de la electricidad mediante el uso de un modelo econométrico con microdatos.
Gómez López, Sandra
core   +1 more source

Imaging of Magma Intrusion Below La Palma During a Strong Effusive Eruption in 2021 Inferred From Repeated Seismic Tomography

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 1, January 2026.
Abstract The 2021 eruption of Cumbre Vieja on La Palma, Canary Islands, provided a unique opportunity to investigate the dynamics of magma migration and storage during a large effusive eruption. In this study, we employ repeated seismic tomography to image temporal changes in the subsurface structure beneath La Palma, using body‐wave travel times from ...
Ivan Koulakov   +2 more
wiley   +1 more source

Robust multilevel average controller for trajectory tracking in mobile robots powered by solar panels: Integrating actuators and power electronics stage

open access: yesResults in Engineering
This paper addresses the challenge of bidirectional trajectory tracking, for the first time in the literature, in wheeled mobile robots (WMRs) powered by renewable energy by thoroughly considering all involved subsystems.
Erik Reyes-Reyes   +8 more
doaj   +1 more source

Energy Saving Innovations, Non-Exhaustible Sources of Energy and Long-Run: What Would Happen if we Run Out of Oil? [PDF]

open access: yes
We formulate and solve a model of factor saving technological improvementconsidering three factors of production: labor, capital and energy.The productive activities have three main characteristics: first, in order to usecapital goods firms need energy ...
Hernando Zuleta
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La integració de les energies renovables en un model energètic sostenible [PDF]

open access: yes, 2011
La sostenibilitat del model energètic de Catalunya es veu condicionada per aspectes com la dependència energètica, la seguretat de subministrament, l'eficiència energètica, els impactes ambientals i la demanda creixent.
Boada, Martí   +6 more
core  

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