ListarArtículo en revista de investigación por tema "info:eu-repo/classification/cti/7"
Mostrando ítems 441-460 de 574
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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 ... -
Project portfolio selection with scheduling: an evolutionary approach
(2019)This paper addresses the project portfolio selection problem enriched with scheduling. Thefactors considered for project scheduling are: the planning time horizon and the negative impact of theproject completion time on ... -
Proposal and validation of a questionnaire of evaluation of the online teaching practice through the student opinion
(2018-01)Teaching evaluation is a process in which improvements can be done in the teaching-learning process. The students are the ones who can evaluate teaching activity according to their experience and satisfaction in relation to ... -
Protocolo de Identificación de Riesgos para Gasolineras Caso de estudio: Empresa Operadora de Hidro SA de CV
(2018-09-01)El presente proyecto consiste en la generación de un protocolo de identificación de riesgos que permita reconocer aquellas situaciones que representen un daño, tanto a los trabajadores como a las personas cercanas a la ... -
Protocolo de Identificación de Riesgos para Gasolineras Caso de estudio: Empresa Operadora de Hidro SA de CV
(2018-09)El presente proyecto consiste en la generación de un protocolo de identificación de riesgos que permita reconocer aquellas situaciones que representen un daño, tanto a los trabajadores como a las personas cercanas a la ... -
Prototype for a Mobile Collaborative Augmented Reality Application of the Game Checkers
(2019-01-15)Currently, mobile devices enjoy great popularity and have increasingly better technological capabilities that enable them as adequate devices to run augmented reality applications and collaborative augmented reality ... -
PSO, a Swarm Intelligence-Based Evolutionary Algorithm as a Decision-Making Strategy: A Review
(2022-02-24)Companies are constantly changing in their organization and the way they treat information. In this sense, relevant data analysis processes arise for decision makers. Similarly, to perform decisionmaking analyses, ... -
Psychosocial risk factors identification in Mexican workers and RGIII validation
(2023-09-11)Background: Since 2018, NOM-035-STPS-2018 has been applied in Mexico, focused on measuring psychosocial risk factors (PRFs) in workers and the Reference Guide III (RGIII) has been presented, however, research focused on ... -
Purification and glutaraldehyde activation study on HCl-Doped PVA–PANI copolymers with different aniline concentrations
(2019-01-01)In this work, we report the synthesis and purification of polyvinyl alcohol-polyaniline (PVA–PANI) copolymers at different aniline concentrations, and their molecular (1H-NMR and FTIR), thermal (TGA/DTG/DSC), optical ... -
Quantitative Models for Prediction of Cumulative Trauma Disorders Applied to the Maquiladora Industry
(2021-04-06): Temperature gradient changes on the surface of the skin or in the middle of the body are signs of a disease. The aim of this study is to develop quantitative models for the prediction of cumulative trauma disorders ... -
Radial Basis Function Neural Network for the Evaluation of Image Color Quality Shown on Liquid Crystal Displays
(2021-02-01)The color quality of an image shown on a liquid crystal display (LCD) can be measured with a spectroradiometer; however, this instrument is expensive, work under controlled illumination conditions with an artificial source ... -
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 ... -
Real-Time Sensorless Robust Velocity Controller Applied to a DC-Motor for Emulating aWind Turbine
(2021-02-07)The wind power systems of variable velocity using a doubly-fed induction generator dominate large-scale electrical generation within renewable energy sources. The usual control goal of the wind systems consists of ... -
Real-time SOSM super-twisting combined with block control for regulating induction motor velocity
(2018-03-05)On this paper, a robust velocity controller applied to a three-phase squirrel-cage induction motor under variable load conditions is designed. The induction motor drives an induction generator representing the load which ... -
Reconstruction of PET images using anatomical adaptive parameters and hybrid regularization
(2018-04-01)Positron Emission Tomography (PET) is a nuclear medicine technique used to obtain metabolic images of the body. PET scanners used in the research, treatment, and monitoring of several diseases provide images of metabolic ... -
Reconstruction of PET Images Using Cross-Entropy and Field of Experts
(2019-01-18)The reconstruction of positron emission tomography data is a difficult task, particularly at low count rates because Poisson noise has a significant influence on the statistical uncertainty of positron emission tomography ... -
Reconstruction of Positron Emission Tomography Images Using Gaussian Curvature
(2018-11-15)Positron emission tomography (PET) provides images of metabolic activity in the body, and it is used in the research, monitoring, and diagnosis of several diseases. However, the raw data produced by the scanner are severely ... -
Recyclability of stainless steel (316 L) powder within the additive manufacturing process
(2019-12-12)Using recycled powder during the additive manufacturing processes has been a matter of debate by several research groups and industry worldwide. If not significantly different from the feedstock, the recycled powder can ... -
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 ... -
Reducción de Tiempo de Ciclo en Estación de Trabajo de Industria Automotriz
(2018-09)Se trata de la reducción de tiempo de ciclo en la estación de trabajo #2 de una industria maquiladora del ramo automotriz. Esto generaba un cuello de botella y tiempo muerto en las estaciones subsecuentes por la falta de ...