Artículo en revista de investigación: Envíos recientes
Mostrando ítems 621-640 de 823
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Numerical study of a cross flow heat exchanger varying the transverse and longitudinal space to increase heat transfer
(2019-11-05)In this paper a numerical study of a cross flow heat exchanger varying the transverse and longitudinal space to increase heat transfer is presented. The numerical study consists of varying the transverse and longitudinal ... -
Aplicaciones de aprendizaje profundo en comunicaciones inalámbricas
(2019-06-15)En los últimos años, la tecnología de comunicación móvil inalámbrica se ha desarrollado rápidamente y esto se ha traducido en una explosión de la información por medios inalámbricos. La infraestructura de la red para manejar ... -
Effect of Fe impurities and pure Cr additions on microstructure of nanostructured WC-10Co alloy sintered by HIP
(2019-09-05)The present work evaluates the effect of both, Fe impurities and Cr addition, in nanostructured WC-10Co cemented carbides, which are sintered by hot isostatic pressing. Fe impurities and Cr addition in nanostructured WC-10Co ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(2019-08-17)ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Estudio de Ruido en Aulas de Institución Educativa de Nivel Superior
(2019-09-20)Este trabajo se realizó con el objetivo de evaluar el ruido existente en aulas de una escuela de nivel superior, mismas que tienen precedentes de alta percepción de ruido. La metodología bajo la que se trabajó fue de tipo ... -
Predicting airline customer satisfaction using k-nn ensemble regression models
(2019)Customer satisfaction questionnaires are a rich and strong source of information for companies to seek loyalty, customer and client retention, opti- mize resources, and repurchase products. Several advanced machine learning ... -
Capability indices for circular tolerance regions based on a Gaussian copula
(2019-11-05)Positional characteristics can be found in many manufactured products. This type of quality characteristics requires the use of capability indices to measure their performance regarding a circular tolerance region and the ... -
Understanding the apparent superiority of over-sampling through an analysis of local information for class-imbalanced data
(2019-10-14)Data plays a key role in the design of expert and intelligent systems and therefore, data preprocessing appears to be a critical step to produce high-quality data and build accurate machine learning models. Over the past ... -
Production and Characterization of Non-Isocyanate Polyurethane/SiO2 Films Through a Sol-Gel Process for Thermal Insulation Applications
(2019-09-29)The reaction of cyclic carbonates with amines is the most attractive among the synthesis methods for isocyanate-free polyurethane. Non-isocyanate polyurethane films with SiO2 NPs fabricated by a sol-gel process are ... -
Geogebra y Problemas de Optimización
(2019-09-30)El siguiente trabajo muestra una propuesta para la enseñanza del cálculo diferencial con el uso del software Geogebra como herramienta didáctica en el aprendizaje de la derivada con problemas de optimización. El artículo ... -
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 ... -
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. ... -
A Deconvolution Approach for Degradation Modeling With Measurement Error
(2019-10-04)Degradation trajectories over time provide information that is important for the life estimation of products and systems. However, most of the time the degradation measurements are disturbed by different conditions that ... -
Development of a Serious Games for Asperger Syndrome Based on a Bio-inspired Algorithm to Measure Empathy Performance
(2019-06-01)Currently, the development of a Serious Game, whose purpose is to assist cognitive behavioral therapy for patients with Asperger Syndrome, should provide valuable information always to the specialist providing the ... -
Liderazgo, contrato psicológico y empoderamiento: sus vínculos en organizaciones fronterizas mexicanas
(2019-09-11)En la actualidad, las empresas consideran primordial desarrollar las habilidades de sus líderes, con la finalidad de lograr el éxito organizacional. En esta investigación, el objetivo fue indagar la influencia que tiene ... -
Evaluation of the plastic injection machine maintenance system through the TOPSIS method
(2019-06-06)The following document talks about the parameters of the maintenance system implemented in plastic injection machines of a maquiladora company located in Ciudad Juarez Chihuahua. The method used in this investigation is ... -
Predictors of organizational resilience by factorial analysis
(2019-03-27)The global economy is characterized by a progressive complexity, uncertainty, and volatility, which exert intense pressures to organizations and confronts them, with increasing frequency, to disruptive and unexpected ... -
Impact of human resources on remanufacturing process, internal complexity, perceived quality of core, numerosity, and key process indicators
(2019)This article assesses the impact of human resources experience and its training level on key process indicators, perceived quality of core, and internal complexity of remanufactured metal-mechanic products. These five ... -
Dimensional Analysis under Pythagorean Fuzzy Approach for Supplier Selection
(2019-03-06)The supplier appraisal process is one of the most important decision problems for companies focused on improving supply chain costs. Supplier selection is typically a multi-criteria decision making (MCDM) issue, as there ... -
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 ...