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Satisfacción laboral en tiendas de conveniencia mexicanas: un análisis desde la teoría de recursos-demandas laborales
(2023-05-30)Desde la teoría de recursos-demandas laborales, se evalúan los efectos del liderazgo, ajuste persona-organización, claridad de rol y agotamiento sobre la satisfacción laboral, en tiendas de conveniencia mexicanas. Asimismo, ... -
Seasonal carryover of water and effects on carbon dynamics in a dryland ecosystem
(2022-07-19)Net primary productivity in arid and semiarid regions is controlled by water availability for which rainfall has been a commonly used proxy at annual scales. However, the hydrological partitioning occurring through the ... -
Seat Occupancy Detection Based on a Low-Power Microcontroller and a Single FSR
(2019-02-08)This paper proposes a microcontroller-based measurement system to detect and confirm the presence of a subject in a chair. The system relies on a single Force Sensing Resistor (FSR), which is arranged in the seat of the ... -
Seed-mediated synthesis and PEG coating of gold nanoparticles for controlling morphology and sizes
(2020-11-26)A significant area of research is biomedical applications of nanoparticles which involves efforts to control the physicochemical properties through simple and scalable processes. Gold nanoparticles have received considerable ... -
Seguimiento de velocidad de un motor de CD en un sistema paralelo
(2023-12-27)Los vehículos con propulsión híbrida, compuestos por un motor de combustión interna (MCI) y un motor eléctrico (ME) en su arquitectura paralela, requieren un control eficiente para mantener la velocidad del ME a la velocidad ... -
Seismic exploration survey northeast of the Tres Virgenes Geothermal Field, Baja California Sur, Mexico: A new Geothermal prospect
(2019-11-11)Geophysical prospecting has become essential to identify low enthalpy areas with geothermal potential, mainly, for direct uses. The present study uses two seismic techniques and lithological information from shallow ... -
Self-Learning Geometric Transformations: A Framework for the “Before and After” Style of Exercises
(2022-05-28)After the long period of mandatory distance learning, either synchronous or asynchronous, caused by the COVID-19 pandemic, the existence of learning tools to support students in similar scenarios is welcomed in many ... -
Semi-analytic finite element method applied to short-fiber-reinforced piezoelectric composites
(2021-06-30)In this work, a 3D semi-analytical finite element method (SAFEM) is developed to calculate the effective properties of piezoelectric fiber-reinforced composites (PFRC). Here, the calculations are implemented in one-eighth ... -
Semimetal transition in curved MoS2/ MoSe2 Van der Waals heterojunction by dispersion‑corrected density functional theory
(2022-10-24)We present a theoretical study for MoS2/MoSe2 Van der Waals heterojunction in the armchair direction, and periodicity in the y-direction, under the mechanical deformation process to explore electronic structure vs. curvature ... -
Shape effect of thickness of the NREL S815 profile on the performance of the H-rotor Darrieus turbine
(2021-01-29)With the aim of improving the performance of vertical axis wind turbines, in this article, the flow field and aerodynamic performance of an H-rotor Darrieus turbine are computed using computational fluid dynamics. ... -
Sign Language Recognition Based on EMG Signals through a Hibrid Intelligent System
(2019-10). Non-verbal communication is an important part of everyday interactions and human-computer interaction. Vision techniques and instrumented gloves for sign language recognition are commonly used, but these are often ... -
Silica-Coated ZnS Quantum Dots for Multicolor Emission Tuning from Blue to White Light
(2021-11-04)The present work reports the easy tunability from blue to cold-white light emission of ZnS quantum dots embedded into a silica matrix (ZnS@SiO2) by simple heating treatments (up to 900 °C) without the need of rare earth ... -
Simulación de esfuerzos en diseño digital de ortesis lumbar
(2022-10-28) -
Sistema De Administración De Clientes, Ventas E Inventario Para Empresarios De Redes De Mercadeo
(2019-11)Se presenta el desarrollo de un sistema para la administración de clientes, ventas e inventario utilizado por empresarios de redes de mercadeo. Cuando la red de mercadeo empieza a crecer es difícil mantener organizada la ... -
Sistema De Monitoreo Y Control Para Invernadero Usando La Unidad De Adquisición De Datos Agilet 34970a E Interfaz En Labview
(2019-06-20)This paper describes the construction and design of a semi-automated climate monitoring and control system for a small-scale greenhouse, using sensors and actuators strategically placed inside and outside the greenhouse ... -
Sistema De Validación De Amplificadores Operacionales Y De Instrumentación Utilizando Labview
(2021-12-27)En este trabajó se realizó un sistema para validar el funcionamiento de amplificadores operacionales TLC274, LM358 y TL084 y el amplificador de instrumentación AD620. Se describe el diseño y fabricación de la tarjeta de ... -
Sistema fotovoltaico para extender el tiempo de operación de una aeronave no tripulada
(2018-12-06)En este trabajo se realiza un estudio de factibilidad para integrar un sistema fotovoltaico a una aeronave no tripulada con la finalidad de extender el tiempo de operación. El sistema se diseñó con un arreglo en serie de ... -
Sistema Vestible para la Detección Simultánea y No Invasiva del ECG y el Flujo Sanguíneo
(2018-09-01)Se desarrolló un sistema vestible para la detección simultánea y no invasiva de dos señales provenientes de la actividad cardiaca: el ECG y el flujo sanguíneo. Se utilizaron dos electrodos secos para detectar la derivación ... -
Six Sigma as a competitive strategy: main applications, implementation areas and critical success factors (CSF)
(2019-04-01)In the search for competitiveness, organizations adopt strategies to increase the cost-effectiveness of their operations and improve its position in the market. Six Sigma (SS) that was initially developed as a methodology ... -
Síntesis y Caracterización de Nanopartícula s de NiS Mediante Procedimiento de Química Suave
(2020-11-05)In this research, the synthesis and characterization of nickel sulphide (NiS) semiconductor nanoparticles (Nps) in solution is reported, the effect of glycine as complexing agent at different concentration was studied. The ...