Results 31 to 40 of about 1,449 (133)
A new methodology of wind data processing used in feasibility and optimization of wind farms is presented in this work. The wind data of the meteorological tower provided by CELEC-EP is analyzed through a quality control of suspicious values, according ...
Diego Jijón +3 more
doaj +1 more source
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
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 +4 more
doaj +1 more source
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 +2 more
doaj +1 more source
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 +5 more
doaj +1 more source
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 +4 more
doaj +1 more source
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 +2 more
doaj +1 more source
EMPRESAS DE ENERGÍAS RENOVABLES Y DERECHOS HUMANOS EN AMÉRICA LATINA
El artículo tiene como objetivo analizar cómo los principios rectores sobre empresas y derechos humanos pueden ser incorporados en las empresas de energías renovables con el fin de promover un entorno sostenible, social y económicamente seguro para la ...
William Gallo Aponte +2 more
doaj +1 more source
Portable, Benchtop and Micro‐XRF in Agriculture—Present and Future From the Hardware Perspective
ABSTRACT X‐ray fluorescence (XRF) spectrometry has been an important tool in agricultural studies recently. This technique allows the multielemental, direct, and in situ analysis. The objective of this review is to evaluate the use of XRF in agriculture focusing on plant and soil samples based on indexed articles in the Scopus database from 2020 to ...
Eduardo de Almeida +7 more
wiley +1 more source
Optical and thermal properties of edible coatings for application in solar drying
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 +7 more
doaj +1 more source

