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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 ... -
Promoting green infrastructure in Mexico's northern border: The Border Environment Cooperation Commission's experience and lessons learned
(2019-01-01)This paper describes the application of a comprehensive strategic approach for integrating Green Infrastructure (GI) in urban planning in Mexican communities along the U.S-Mexico border as a means to mitigate the environmental, ... -
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 ... -
Propuesta de mejora para la optimización de una posición remota hibrida y su simulación
(2022-04-08)The provision of airport services to its main customers, the airlines, has become a real challenge, due to customer demands and the versatility of the aviation industry, seeking to attend to air operations in ... -
Propuesta para el entendimiento conceptual del tiro parabólico en base a la realidad aumentada Parte I
(2018-12)La mayoría de los estudiantes de los cursos introductorios de física muestran problemas de entendimiento conceptual. Algunas de las posibles causas son: 1) la enseñanza tradicional, 2) la poca versatilidad por parte del ... -
Propuesta para el entendimiento conceptual del tiro parabólico en base a la realidad aumentada Parte II
(2018-12)Most of students from the introductory physics courses show conceptual understanding problems. One possible cause is the conventional instruction. This teaching style is based on a lack of cognitive interaction between ... -
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 ... -
Quasinormal modes of the Hayward black hole surrounded by quintessence: Scalar, electromagnetic and gravitational perturbations
(2022-04-20)In this paper, we study the quasinormal modes for scalar, electromagnetic, and gravita- tional axial perturbations in the Hayward regular black hole surrounded by quintessence (HBH-ωq). Using the third-order WKB approximation, ... -
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 ...