Artículo en revista de investigación: Envíos recientes
Mostrando ítems 501-520 de 823
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Ranking-based MCDM models in financial management applications: analysis and emerging challenges
(2020-05-18)Over the last decades, the academic and professional communities have paid much attention toward the use of multi-criteria decision-making methods in a range of business and financial problems due to the variety and ... -
Phase transformation and magnetocaloric effect of Co-doped Mn–Ni–In melt-spun ribbons
(2020-08-06)Ribbon-shaped magnetocaloric materials are favorable to achieve high heat-transfer efficiencies due to their large specific surface area. In this work, Mn50Ni41−xIn9Cox (0 ≤ x ≤ 4) ribbons were prepared using a melt-spinning ... -
Exceptional Algebraic Sets for Infinite Discrete Groups of PSL(3, C)
(2020-06-29)In this note we show that the exceptional algebraic set for an infinite discrete group in 𝑃𝑆𝐿(3,ℂ) should be a finite union of: complex lines, copies of the Veronese curve or copies of the cubic 𝑥y^2−z^3. -
Genetic Algorithm for Scheduling Optimization Considering Heterogeneous Containers: A Real-World Case Study
(2020-03-04)In this paper, we develop and apply a genetic algorithm to solve surgery scheduling cases in a Mexican Public Hospital. Here, one of the most challenging issues is to process containers with heterogeneous capacity. Many ... -
In-plane anisotropy in BSCCO superconducting tapes: transport and magnetometric criteria
(2020-07-01)Here, the anisotropy between the longitudinal and transverse directions of multi-filamentary tapes (“in plane" anisotropy) is studied by transport and magnetization measurements. By minimally manipulating experimental data, ... -
Design and fabrication of a cryogenic magnetocaloric composite by spark plasma sintering based on the RAl2 Laves phases (R= Ho, Er)
(2020-08-05)We report the design and fabrication of a highly dense (>97%) two-phase magnetocaloric composite operating in the cryogenic temperature range based on the binary Laves phases HoAl2 and ErAl2 with a nearly table-like magnetic ... -
Design and validity of a questionnaire for measuring psychosocial risk factors and burnout
(2020-07-01)In recent years, burnout has emerged as one of the most important work risks. Continuous chronical emotional and interpersonal stressors at the workplace can lead to burnout. Among those, psychosocial risk factors are ... -
Análisis logístico y simulación de una calle de retorno paralela en un aeropuerto regional
(2020-08-14)La evolución y el desarrollo de la industria aeronáutica exigen que día a día este medio de transporte implemente metodologías que encaminan a la seguridad operacional de las aeronaves, afortunadamente vivimos en una era ... -
Suppliers selection based on intuitionistic fuzzy dimensional analysis
(2020-08-11)Supplier selection is a crucial activity in the supply chain management, and fundamentally it is a multi-criteria decision-making problem. However, the interaction of the criteria, the uncertain regarding to subjectivity ... -
Recycled glass and Ce‐Doped‐Y3Al5O12 nanoparticles phosphor‐in‐glass for white light‐emitting diodes applications
(2020-06-07)A series of nanocomposites of recycled soda‐lime glass from a glass container and Y3Al5O12:Ce3+ (YAG:Ce) phosphor nanoparticles are fabricated by the two‐step low‐temperature co‐sintering technology. A transparent glass ... -
Modelado por elemento finito de la fatiga en engranes de reductores de velocidad con desalineamiento radial y axial
(2020-06-01)Este artículo presenta un análisis de fatiga en engranes de reductores de velocidad sometidos a desalineamiento radial y axial. Se empleó el método del elemento finito para el cálculo de los ciclos de vida y del estado de ... -
Wide structural and magnetic successive transitions and related magnetocaloric properties in a directionally solidified polycrystalline Ni-Co-Mn-In alloy
(2020-02-21)We fabricated a Ni45Co6.4Mn37In11.6 polycrystalline sample with a specific texture by directional solidification. The alloy is characterized by wide successive structural and magnetic phase transitions that considerably ... -
Fabricación de fibras poliméricas a base de PLA obtenidas mediante electrohilado
(2020-03-05)El electrohilado es una técnica que permite la obtención de fibras poliméricas en escala micro y nanométrica, las cuales son ampliamente utilizadas en ingeniería tisular y otras áreas biomédicas como biosensores y sistemas ... -
Burnout syndrome in middle and senior management in the industrial manufacturing sector of Mexico
(2019-01-04)Due to globalization and the accelerated growth of technology, ever more employees of companies are affected by burnout syndrome, the psychological nature of which requires a prolonged response to chronic interpersonal ... -
Mental workload assessment software in spanish language: development and validation
(2020-01-01)Mental workload assessment is a complex construct that requires of effective software solutions that enables the application of a group of techniques in Spanish language. As methods, the Quality Function Deployment (QFD) ... -
Development of the NASA-TLX multi equation tool to assess workload
(2020-01-01)The NASA-TLX method has been used more than 20 years to assess mental workload. NASA-TLX is a multidimensional technique to provide a score based on six subscales: mental demand, physical demand, temporal demand, performance, ... -
Prediction of time series using wavelet Gaussian process for wireless sensor networks
(2020-01-08)The detection and transmission of a physical variable over time, by a node of a sensor network to its sink node, represents a significant communication overload and consequently one of the main energy consumption processes. ... -
Implementing a novel use of multicriteria decision analysis to select IIoT platforms for smart manufacturing
(2020-03-02)Industry 4.0 is having a great impact in all smart efforts. This is not a single product but is composed of several technologies, one of them being Industrial Internet of Things (IIoT). Currently, there are very varied ... -
Optimización topológica del brazo de suspensión inferior mediante elemento finito
(2019-12-02)En esta investigación, se realizó la optimización topológica (OT) del brazo de control inferior (BCI) Mcpherson tipo L, el objetivo de este estudio es reducir peso en el componente y mantener las propiedades mecánicas ... -
Reliability analysis for DC motors under voltage step-stress scenario
(2020-03-10)In reliability analysis, different stress techniques are used to know the lifetime and performance of electrical devices via accelerated life testing. One of these stress technique is the step stress, which combines the ...