Results 21 to 30 of about 86,623 (167)

La regulación energética en el sistema jurídico colombiano: el papel de las autoridades ambientales y energéticas en el contexto de las energías renovables

Advocatus, 2016
En este trabajo se sostiene como tesis central que la regulación energética es un mecanismo indispensable para propender por la seguridad del suministro energético, la sostenibilidad del sistema y la protección ambiental.
Milton José Pereira Blanco
doaj   +1 more source

A Simple Method to Determine Bioethanol Production from Coffee Mucilage, Verified by HPLC

BioResources, 2015
This paper proposes a method to determine bioethanol concentration that uses a pycnometer verified with a high performance liquid chromatography (HPLC) technique; it is a simple tool to determine the density of liquids for getting information about the ...
Bianca Yadira Pérez-Sariñana, Sergio Saldaña-Trinidad, Carlos Alberto Guerrero-Fajardo, Luis Fernando Santis-Espinosa, Sebastian Pathiyamattom-Joseph   +4 more
doaj   +1 more source

Homogeneity and spatial variability of meteorological series in “Yachay - City of Knowledge” project area

ACI Avances en Ciencias e Ingenierías, 2013
Using Einstein’s field equations, the energy-momentum tensor components are deduced for a Morris-Thorne wormhole in a cosmological background. The embedding surfaces for these wormholes are studied and also the red shift parameter is calculated in terms ...
Gabriel Gaona, Emmanuelle Quentin, Jerko Labus   +2 more
doaj   +1 more source

Surface Modification of Aluminum Alloy 6061 for Bipolar Plate Application: Adhesion Characteristics and Corrosion Resistance

International Journal of Electrochemical Science, 2018
Surface modification studies on aluminum alloy 6061 (AA6061) to improve the surface properties of metallic bipolar plates in fuel cells are presented in this work.
A. G. González Gutiérrez, P.J. Sebastian, L. Magallón Cacho, E. Borja Arco, J. Campos, Agustin Baron   +5 more
doaj   +1 more source

Computational fluid dynamics analysis of heat transfer in a greenhouse solar dryer “chapel‐type” coupled to an air solar heating system

Energy Science & Engineering, 2019
The distribution of turbulent kinetic energy (TKE), temperature, and velocity of humid air inside the greenhouse solar dryer (GHSD) was numerically investigated using 3D CFD ANSYS FLUENT code.
Nicolás‐Iván Román‐Roldán, Anabel López‐Ortiz, Jean‐Fulbert Ituna‐Yudonago, Octavio García‐Valladares, Isaac Pilatowsky‐Figueroa   +4 more
doaj   +1 more source

Gobernanza global y evolución de las energías renovables en el sur. Objetivos políticos y estructuras de gobernanza

Letras Verdes: Revista Latinoamericana de Estudios Socioambientales, 2013
El desarrollo de la gobernanza global de las energías renovables comparte similitudes y diferencias con otros sectores de la gobernanza global. La proliferación de organizaciones en el sector resalta el importante compromiso de varios actores con el ...
Wolfgang Hein, Daniela García Sánchez, Lars Holstenkamp   +2 more
doaj   +1 more source

Financing schemes for residential, grid-connected PV solar systems in BCS, Mexico [PDF]

, 2016
This article presents two proposals to spur the extensive adoption of grid-connected, residential, solar photovoltaic systems in the Mexican state of Baja California Sur.
Bermudez-Contreras, A., Ivanova-Boncheva, A.   +1 more
core   +1 more source

Optical and thermal properties of edible coatings for application in solar drying

Scientific Reports, 2021
Solar drying is a sustainable process that may impact the quality of dried food. This is because, pigments contained in food are sensitive to sunlight, and exposure to ultraviolet radiation can affect them.
A. López-Ortiz, I. Y. Pacheco Pineda, L. L. Méndez-Lagunas, A. Balbuena Ortega, Laura Guerrero Martínez, J. P. Pérez-Orozco, J. A. del Río, P. K. Nair   +7 more
doaj   +1 more source

Las energías renovables [PDF]

, 2012
El desarrollo sostenible se concibe para mejorar la calidad de vida del ser humano sin que ello suponga peligro para el bienestar de actuales y futuras generaciones.
Serrano-Casares, Francisco Victor
core   +1 more source

The regulatory frameworks surrounding CRISPR‐edited papaya and their impact on international commerce

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, Mirielson L da Silva, David S Buss, Oeber F Quadros, Raul Tapia‐Tussell, José A Ventura, Antonio Alberto R Fernandes, Patricia M B Fernandes   +7 more
wiley   +1 more source