Results 61 to 70 of about 282,692 (214)

Renewable Energy 2008 - Solar Energy [PDF]

open access: yes, 2008
This report provides a description of solar energy and its uses in Argentina. In addition, it provides information about projects and legislation relating to renewable energy in ...
Energías Renovables
core   +1 more source

Device Performance of Emerging Photovoltaic Materials (Version 6)

open access: yesAdvanced Energy Materials, Volume 16, Issue 7, 18 February 2026.
Efficiency of single junction perovskite (circles), organic (hexagons), dye sensitized (pentagons), kesterite (diamonds), Sb2Se3 (right triangle), and AgBiS2 (left triangles) solar cells at emerging‐pv.org over the last decade. ABSTRACT This 6th annual Emerging PV Report surveys peer‐reviewed advances since August 2024 across perovskite, organic ...
Osbel Almora   +29 more
wiley   +1 more source

Spain wants to cooperate with renewables [PDF]

open access: yes, 2012
This article provides information about a May 2012 meeting held between Spain\u27s ambassador to Brazil and Brazil\u27s minister of Mines and Energy. The two officials discussed the possibility of increased cooperation between their respective countries
Energías Renovables
core   +1 more source

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

New results on the synthesis of nitrogen-doped TiO2 and their application in heterogeneous photocatalysis under solar irradiation

open access: yesJournal of Materials Science: Materials in Engineering
Regarding nitrogen doping of TiO2, there is now more information in the literature that points to the development of more photosensitive materials for photocatalytic applications.
M. Ocampo-Gaspar   +4 more
doaj   +1 more source

A Cascade Proportional Integral Derivative Control for a Plate-Heat-Exchanger-Based Solar Absorption Cooling System

open access: yesEnergies, 2021
Automatic proportional integral derivative control techniques are applied in a single-stage solar absorption cooling system, showing 3.8 kW (~1 ton) cooling capacity, with a coefficient of performance of 0.6 and −4.1 °C evaporator cooling temperature. It
Yeudiel Garcíadealva   +5 more
doaj   +1 more source

Construcción y desarrollo sostenible “Arquitectura Bioclimática” [PDF]

open access: yes, 2012
En este trabajo se expone un resumen de los conceptos de Construcción y Desarrollo Sostenible y Arquitectura bioclimática. Se hace un extenso repaso de los antecedentes y orígenes de este tipo de arquitectura y de las principales metodologías existentes,
Salazar Mañas, Sonia
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

Future Scenarios of Firewood Consumption for Cooking in the Mexican Tropical Region

open access: yesEnergies, 2023
Within domestic food cooking, burning firewood in three-stone fires (TSF) is a common practice by more than 16 million users in the Mexican tropical climate region (CR-TR). This article aims to evaluate the implementation of improved firewood cookstoves (
Guadalupe Pérez   +3 more
doaj   +1 more source

Energías renovables no convencionales para satisfacer la demanda energética: análisis de tendencias entre 1990 y 2018

open access: yes, 2021
The purpose of this article is to analyse the progress after 3 decades of efforts to migrate to renewable energies, specifically non-conventional renewables.
María Carolina Romero Pereira   +1 more
semanticscholar   +1 more source

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