Artículo en revista de investigación: Envíos recientes
Mostrando ítems 441-460 de 946
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Tecnologías en los sistemas de propulsión híbridos: revisión de literatura
(2021-11-22)En este trabajo se presenta un resumen de una diversidad de desarrollos tecnológicos en los sistemas híbridos para la propulsión automotriz. Para ello, se buscaron en Google Scholar palabras clave como propulsión híbrida, ... -
Electronic states and metallic character of carbide Co/MoS2 catalytic interface
(2021-05-10)We report computer assisted density functional theory computations of electronic states in carbide Co9S8/MoS2 interface model. The interface model was previously proposed using crystallographic information from experimental ... -
Desarrollo de una interfaz gráfica para identificar imágenes metalográficas de piezas de aluminio A356
(2021-08-13)En este trabajo se presenta el desarrollo de una interfaz gráfica con la capacidad de procesar una imagen metalográfica y separar los pixeles de acuerdo con el código de color RGB. Esta interfaz permite la identificación ... -
Enhanced thermal efficiency organic Rankine cycle for renewable power generation
(2021-02-20)The Organic Rankine Cycle (ORC) technology is recognized to supply electricity from low temperature waste heat and solar energy sources. When the ORC system is heated by solar energy it uses two-fluids and two-loops, producing ... -
Implementación de un sistema ERP considerando Odoo en una Pyme - Caso de Estudio: Configuración de Módulos CRM y Compras
(2021-11-01)La presente investigación se centra en la configuración de un sistema de planificación empresarial (ERP, Enterprise Resource Systems, por sus siglas en inglés) y como estos sistemas a través de una mejora continua, obtienen ... -
A Power-Efficient Sensing Approach for Pulse Wave Palpation-Based Heart Rate Measurement
(2021-11-13)Heart rate (HR) is an essential indicator of health in the human body. It measures the number of times per minute that the heart contracts or beats. An irregular heartbeat can signify a severe health condition, so monitoring ... -
Editorial: From traditional Information Technology to Serverless. A novel approach to monitor mobile phones using concepts and principles of Industrial Internet of Things
(2021-04-15)The incorporation of smartphones and smart devices in daily business activities and processes is widespread in several industries. Due to its high use, it is required to monitor the device’s health and uses patterns ... -
An experimental study on mechanical properties and wear of A380/nB4C composites fabricated using two different liquid state processes
(2021-10-30)In the present work, fabrication of metal matrix composite of aluminium alloy A380 reinforced with 0.5, 1 and 1.5 weight percentages of nano boron carbide through mechanical stirring and ultrasonic treatment processes. ... -
Composición mineral de lixiviados (biofertilizante) de lombriz roja californiana
(2021-10-25)El objetivo de esta investigación fue evaluar la concentración de micro y macronutrientes del lixiviado generado con lombriz roja californiana, a diferentes tratamientos (T1- melaza; T2- suero de leche; T3- infusión de ... -
Biointeraction of Erythrocyte Ghost Membranes with Gold Nanoparticles Fluorescents
(2021-10-25)The application of new technologies for treatments against different diseases is increasingly innovative and effective. In the case of nanomedicine, the combination of nanoparticles with biological membranes consists of ... -
A review from mesenchymal stem-cells and their small extracellular vesicles in tissue engineering
(2021-10-20): This review aims to offer a vision of the clinical reality of cell therapy today in intensive medicine. For this, it has been carried out a description of the properties, functions, and Mesenchymal Stem Cells (MSCS) ... -
Energy of a pointlike neutron in an external electromagnetic field
(2021-09-03)A pointlike neutron in an external electromagnetic field experiences a shift in energy that mimicks the effect of an actual structural deformation of an extended neutron, i.e., a proper polarizability. In order to be able ... -
Miedo al Covid-19 y estrés: su efecto en agotamiento, cinismo y autoeficacia en estudiantes universitarios mexicanos
(2021-09-29)Esta investigación analiza el impacto del miedo al Covid-19 en el estrés percibido y su efecto sobre agotamiento emocional, cinismo y autoeficacia de estudiantes universitarios mexicanos. El diseño de investigación fue no ... -
Reduction in concentration of chromium (VI) by Lysinibacillus macroides isolated from sediments of the Chapala Lake, Mexico
(2021-04-09)The Chapala Lake is one of the most polluted lakes in Mexico, due to the in fl ow of effl uents from several industrial plants, the lake accumulates pollutants such as chromium(VI) which is considered important for aquatic ... -
Probabilistic Linear Time-Dependent Stress Beam Analysis and Its Stress-Strength Reliability
(2021-04-12)Based on the principal stress values generated by the bending beam, the material’s strength required at 10^6 cycles is determined depending on time. To determine the stress/strength reliability (R(t)), the stress distribution ... -
Aplicación AMEF con MOORA para la evaluación de un caso
(2021-01-01)El análisis de modo y efecto de falla (AMEF) es un método para identificar y evaluar los riesgos potenciales empleando un número de prioridad de riesgo RPN para evaluar las influencias de las fallas y así poder lanzar una ... -
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. ... -
Comparison of the corrosion performance of alloys HP40 and T22 exposed to molten salts at high temperature
(2021-02-27)The molten salt corrosion performance of SS-HP40 with high Cr content and carbon steel T22 with low Cr content were investigated. The corrosion behavior was obtained using three techniques: potentiodynamic polarisation ... -
Impact of job strain and being overweight on middle and senior managers from the manufacturing sector in the Mexican industry
(2021-06-16)This research work establishes the relationship between job strain and being overweight among Mexican managers. Recently in Mexico, there has been a sharp increase in work-related diseases and mental health disorders. ... -
Desarrollo de una red IOT basada en tecnología Lorawan para seguimiento de vehiculos
(2021-06-16)Resumen: En la presente investigación se propone el desarrollo de una alternativa que sea más económica y de fácil adquisición para la localización de los vehículos en el estado de Chihuahua, así mismo se realiza la ...