Results 71 to 80 of about 79,787 (286)

Energía: Desde un modelo de derroche, hacia un modelo sostenible mediante energía renovable [PDF]

open access: yes, 2017
Energías renovables se relaciona a la concepción de desarrollo sostenible, que a su vez tiene que ver con los principios de conservar el capital natural, equidad, calidad de vida, paradoja ética, ecoforma, gestión integral, solidaridad inter e ...
Betanco Maradiaga, Juan Alberto
core   +2 more sources

The EU's Strategy for Sustainability: A Landmark Turn With the European Green Deal?

open access: yesEuropean Policy Analysis, EarlyView.
ABSTRACT While the European Green Deal (EGD) has been widely recognized as a milestone in the EU's sustainability strategy, scholars disagree on the nature of the policy change it represents. Critics highlight its limited social and environmental ambitions, despite its portrayal as a “man on the moon” moment.
Ekaterina Domorenok, Franco Gatti
wiley   +1 more source

Failure Mechanism of Asymmetric Large Deformations Under Repeated Mining in Roadways

open access: yesEnergy Science &Engineering, EarlyView.
Principal stress‐evolution diagram at different advance positions of 42205 working face. ABSTRACT To address the challenge of controlling severe asymmetrical deformation in roadways subjected to repeated mining, this study (i.e., based on the engineering context of the Buertai Coal Mine) investigated the characteristics of the regional stress field in ...
Ai‐Rong Wang   +3 more
wiley   +1 more source

Characterization of Composite Mesoporous Carbon/Conducting Polymer Electrodes Prepared by Chemical Oxidation of Gas-Phase Absorbed Monomer for Electrochemical Capacitors

open access: yesInternational Journal of Electrochemical Science, 2011
Mesoporous carbon/conducting polymer composites have been synthesized by adsorption of different monomers (aniline, pyrrole, thiophene and 3-methyltiophene) in the gas phase onto the carbon surface, followed by oxidative chemical polymerization.
D.E. Pacheco-Catalán   +2 more
doaj   +1 more source

Som Energia: sostenibilitat energètica i cooperativisme [PDF]

open access: yes, 2013
La cooperativa Som Energia és una organització innovadora en el sector energètic a casa nostra. Proposa una forma de fer diferent de la de les empreses tradicionals del sector: ven energia renovable certificada, no té ànim de lucre i busca el bé comú. La
Duran i Grant, Alexandre   +2 more
core  

Exploration and Practice of Hefei Botanical Garden in Biodiversity Conservation, Resource Utilization, and Public Education

open access: yes
Biological Diversity, EarlyView.
Jimei Zhang   +4 more
wiley   +1 more source

Analysis of Energy Consumption, Economic Efficiency and Carbon Emissions of Ice Slurry Direct Supply System: A Case Study of China

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Traditional air conditioners suffer from low energy efficiency and exacerbate grid peak loads. While ice storage offers energy‐saving potential, the systematic regulation of ice packing fraction (IPF) on cooling consumption and its synergy with dynamic carbon emissions remains unexplored.
Di Yang, Wenpeng Hong, Xu Jin
wiley   +1 more source

Efectos de una alta penetración de energías renovables en el sistema eléctrico [PDF]

open access: yes, 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

Deriving the Charring Rate of a Wood Fibre Insulation Board by Exposure to the ISO 834 Standard Fire

open access: yesFire and Materials, EarlyView.
ABSTRACT Wood fibre insulation boards (WFIB) are widely used combustible building materials, commonly applied in energy‐efficient construction for their thermal and hygric performance. The present study investigates the behaviour of the most common type of wood fibre insulation when exposed to the ISO 834 standard fire.
Joel Philippe Karolin   +4 more
wiley   +1 more source

Diagnóstico de las energías renovables empleadas en Estados Unidos y Colombia para el año 2018 en el marco de los objetivos del desarrollo sostenible [PDF]

open access: yes, 2019
Visita Técnica InternacionalEn el análisis realizado de la meta número 7.2 contenido en el objetivo de desarrollo sostenible alusivo a la energía asequible y no contaminante, promulgado por la Organización de las Naciones Unidas – ONU, se asistió a la ...
Landines-Parra, Martha Lucia   +2 more
core  

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