ListarArtículo en revista de investigación por tema "info:eu-repo/classification/cti/1"
Mostrando ítems 1-20 de 155
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100 hours of astronomy at the Mexican northern border
(2019-08-26)The International Astronomical Union (IAU) encourages inclusivity1 and information technology presents tools that can make astronomy accessible to all. By using social media, our outreach proposal intends to inspire ... -
A combined computational and experimental study of the adsorption of sulfur containing molecules on molybdenum disulfide nanoparticles
(2018-09-20)Combining density functional theory calculations and temperature programmed desorption (TPD) experiments, the adsorption behavior of various sulfur containing compounds, including C2H5SH, CH3SCH3, tetrahydrothiophene, ... -
A generalization of multiplication modules
(2019-01-31)We are extended definition of multiplication modules to M-multiplication modules when M is a sigma[M]-module. Then we are extended results to this class of modules, especially in case when M is a semiprime Goldie module. -
A method to construct all the paving matroids over a finite set
(2022-06-27)We give a characterization of paving matroids through their sets of hyperplanes and an algorithm to construct all of them. We also give a simple proof of Rota’s basis conjecture for the case of sparse-paving matroids and ... -
A micrometeorological flux perspective on brush management in a shrub-encroached Sonoran Desert grassland
(2022-02-15)Woody plant encroachment typically limits the forage productivity of managed rangelands and alters a panoply of semiarid ecosystem processes and services. Intervention strategies to reduce woody plant abundance, collectively ... -
A theoretical catalytic mechanism for methanol reforming in CeO2 vs Ni/ CeO2 by energy transition states profiles
(2021-05-25)We present a theoretical study using Halgren-Lipscomb algorithm assisted by DFT + U to determine the catalytic mechanism for hydrogen production by steam reforming of methanol over CeO2 and Ni/CeO2 model catalytic surfaces. ... -
Abiotic Mechanisms Drive Enhanced Evaporative Losses under Urban Oasis Conditions
(2020-11-28)The oasis effect refers to the impact of advected energy on the surface energy balance leading to enhanced evapotranspiration. In this study, we utilize a 1‐yr record of water, energy, and carbon dioxide (CO2) fluxes to ... -
An estimation of the optical constants of copper based on the FEFF 9 package: an update of previous results
(2021-12-15)The FEFF software package is based on a first-principles real space Green function (RSMS) scattering theory to calculate x-ray absorption fine-structure (XAFS) and forward scattering amplitudes (FSA). A procedure to obtain ... -
An Improved Method for Optical Characterization of Mineral Dust and Soot Particles in the El Paso-Juárez Airshed
(2020-08-15)Highly time-resolved aerosol measurements and analysis are necessary for a proper aerosol characterization in many polluted regions, because aerosol concentrations in polluted environments can change over time scales of ... -
Atmospheric black carbon concentrations in Mexico
(2019)ABSTRACT Atmospheric black carbon concentrations were measured at two urban sites (Mexico City and Monterrey), one suburban site (Juriquilla) and one high-altitude site (Altzomoni) in Mexico during 2015 and part of 2016. ... -
Base de datos de flujos verticales de dioxido de carbono en ecosistemas terrestres y costeros en México
(2018-08-01)El dióxido de carbono (CO2) es uno de los principales gases de efecto invernadero (GEI) cuyo incremento en la atmósfera está asociado con el calentamiento global. Con el objetivo de promover estudios de síntesis que lleven ... -
Calidad bacteriológica del agua en zonas marginadas de Ciudad Juárez, México, que carecen de agua potable entubada
(2018-01-01)En Ciudad Juárez el 12% de la población no cuenta con un suministro de agua apropiado, siendo el abastecimiento a base de pipas o directamente del pozo sin desinfectar los principales y únicos medios. Es por esto, que ... -
Catalytic Aspects of Pt/Pd Supported on ZnO Rods for Hydrogen Production in Methanol Steam Reforming
(2022-06-17)We present a combined experimental and theoretical study for catalytic performance of Pt/Pd supported on ZnO rods for methanol steam reforming reaction (MSR) for hydrogen production. The samples were extensively characterized ... -
El Circo de la Física: Actividades lúdicas en la divulgación de la física
(2022-08-31)Este trabajo describe de una manera cualitativa cómo se presentan los conceptos y demostraciones físicas en El Circo de la Física, uno de los ejemplos a nivel mundial de este tipo de actividad de divulgación cien-tífica. ... -
Climate Change Impacts on Agricultural Water Availability in the Middle Rio Grande Basin
(2022-02-06)We present a comprehensive analysis of water availability under plausible future climate conditions in a heavily irrigated agricultural watershed located in the middle section of the Rio Grande Basin in the United States ... -
Comparative Microstructural study of Inconel 625 used to turbochargers
(2021-07-30)Inconel 625 alloy is a nickel-based superalloy that is widely used in important engineering applications, such as in the manufacture of specific parts for the turbine engines of some automobiles and aircraft [1]. ... -
Convolutional Neural Network in a Pseudo-Distributed Environment for Classification of Chest X-Ray Images of Patients with Pneumonia
(2020-05-01)In recent years, there has been an increase in the volume of medical data, generating hundreds of terabytes (TB)/petabytes (PB) of data from different sources. This has led to the emergence of innovative technologies such ... -
Corotating binary systems of identical Kerr-Newman black holes
(2020-11-05)In the present paper binary configurations of identical corotating Kerr-Newman black holes separated by a massless strut are derived and studied. After solving the axis conditions and establishing the absence of magnetic ... -
Corotating dyonic binary black holes
(2020-11-12)This paper is dedicated to derive and study binary systems of identical corotating dyonic black holes separated by a massless strut—two 5-parametric corotating binary black hole models endowed with both electric and magnetic ... -
Correlation between crystallographic and microstructural features and low hysteresis Ni50.0Mn35.25In14.75 melt-spun ribbons
(2018-10-30)In this work, crystallographic, microstructural and magnetocaloric investigations were performed on textured Ni50Mn35.25In14.75 melt-spun ribbons with low thermal (6 K) and magnetic-field induced hysteresis (−0.73 J kg−1 ...