Artículo en revista de investigación: Envíos recientes
Mostrando ítems 441-460 de 1091
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Growth chemistry and electrical performance of ultrathin alumina formed by area selective vapor phase infiltration
(2022-09-28)The growth chemistry and electrical performance of 5 nm alumina films, fabricated via the area-selective vapor phase infiltration (VPI) of trimethylaluminum into poly(2-vinylpyridine), are compared to a conventional plasma ... -
Mexican traffic sign detection and classification using deep learning
(2022-04-25)En este trabajo tiene se propone una metodología para la detección y clasificación de señales de tránsito mexicanas utilizando aprendizaje profundo. La metodología consiste en la creación de un nuevo conjunto de datos de ... -
Design and construction of a compact low-cost test bench for hybrid engine studies
(2022-03-31)In this paper, the design, construction and first results of a low-cost hybrid engine test bench is presented. The purpose of this device is to allow geographically specific research around control algorithms and ... -
Major and trace element geochemistry of Permo-Triassic granitoids from NW Sonora, Mexico: Constraints on the origin of the Late Paleozoic-early Mesozoic Cordilleran magmatic arc along SW Laurentia
(2022-06-07)Permo-Triassic granitoids (PTGs) (284–224 Ma) crop out in Sierra Los Tanques (SLT) and surrounding areas in NW Sonora, Mexico. Based on mineralogical and geochemical characteristics, the PTGs are subdivided into three main ... -
Machinery Lean Manufacturing Tools for Improved Sustainability: The Mexican Maquiladora Industry Experience
(2022-04-27)This paper reports a structural equation model (SEM) to quantify the relationship between Lean Manufacturing (LM) tools associated with machinery and sustainability. The LM tools are independent variables and include Total ... -
Effect of the Sustainable Supply Chain on Business Performance The Maquiladora Experience
(2022-04-11)Mexican maquiladoras have a complex and intensive supply chain because they import raw materials from other countries and export their final products. This paper reports a structural equation model with three independent ... -
Effect of Green Supply Chain Management Practices on Environmental Performance: Case of Mexican Manufacturing Companies
(2022-05-30)Abstract: Managers implement several Green Supply Chain Management (GSCM) practices to improve sustainability and economic performance, such as environmental management systems (EMS), eco-design (ED), source reduction (SR) ... -
Effect of lean manufacturing tools on sustainability: the case of Mexican maquiladoras
(2022-02-02)The Mexican maquiladora industry is applying Lean Manufacturing Tools (LMT) in its production lines; however, few studies have investigated its relationship with sustainability (social, economic, and environmental). This ... -
Lithodiversity and cultural use of desert varnish in the northern desert of Mexico
(2022-12-03)Rock varnish is a thin layer (1-40 microns every 1000 years), dark-reddish in color (30% Mn and Fe oxides, 70% clay minerals), that coats a rock surfaces in the northern Mexiavn deserts. This accretion has been used ... -
Influence of an armrest support on handgrip strength in different arm and shoulder flexion angles in overhead postures
(2022-03-17)A study was undertaken in which the handgrip strength in three arm positions above the shoulder was measured to compare handgrip strength when arm support is used and when it is not used. Grip forces were generated in pairs ... -
Efectos de la participación third party logistics (3PL) en empresas maquiladoras: una exploración con ecuaciones estructurales
(2022-07-05)Este artículo presenta los efectos entre la Red Logística y las actividades de Valor Añadido en entornos 3PL y su efecto en el Desempeño Financiero y Estratégico de empresas Maquiladoras mexicanas. Inspirados por el creciente ... -
Determinación de mejores prácticas de logística inversa asociadas a la competitividad a través del teorema de Bayes
(2022-10-27)Esta investigación se enfoca en analizar las prácticas de las pymesde maquinados de Ciudad Juárez, Chihuahua, México,específicamente los procesos de logística inversa de empresas identificadascomo competitivas.Se aplicó ... -
The alpha power Weibull transformation distribution applied to describe the behavior of electronic devices under voltage stress profile
(2022-05-17)This paper presents a life-stress methodology that models the failure rate in the form of a bathtub curve. The model consists of the Alpha Power Transformation (APT), which adds an extra parameter to the probability d ... -
Mental health effects on workers returning to work during the Covid-19 pandemic. An analysis of the maquiladora industry in northern Mexico
(2022-09-19)The aim of this research is to analyze the psychological effects caused by Covid-19 on the workers' readiness to return to work during the current pandemic. A cross-sectional study was designed that explored the perception ... -
Norma Oficial Mexicana 035, Factores de riesgo psicosocial en el trabajo: validación del dominio relaciones en el trabajo
(2022-06-29)El objetivo de este trabajo fue validar la confiabilidad y validez estadística de la NOM-035-STPS-2018, en específico del dominio Relaciones en el trabajo. Metodológicamente, se aplicó la Guía de Referencia III para recopilar ... -
Estimation of systolic blood pressure by Random Forest using heart sounds and a ballistocardiogram
(2022-10-13)Cufess blood pressure measurement enables unobtrusive and continuous monitoring that can be integrated with wearable devices to extend healthcare to non-hospital settings. Most of the current research has focused on the ... -
On the Electronic Structure of 2H-MoS2: Correlating DFT Calculations and In-Situ Mechanical Bending on TEM
(2022-09-28)We present a systematic density functional theory study to determine the electronic structure of bending 2H-MoS2 layers up to 75deg using information from in-situ nanoindentation TEM observations. The results from HOMO/LUMO ... -
Determinación de fuerza de agarre en operadores de producción de una industria médica de Ciudad Juárez
(2022-08-31)La presente investigación tiene como objetivo determinar la fuerza de agarre aplicada en los 5 niveles de abertu-ra del dinamómetro hidráulico Jamar en operadores de producción de una industria médica en Ciudad Juárez, ... -
Force Sensing Resistors Used as Plantar Impedance Plethysmography Electrodes
(2022-05-31)Diabetic foot ulcers (DFUs) are an ominous consequence of diabetic foot. To develop a multidimensional lesion warning device, several variables must be considered, among which vascular parameters. To minimize the number ... -
Electrocoagulación de iones de metales pesados en aguas residuales: Una revisión
(2022-08-31)La presencia de metales pesados en el agua para consumo humano tiene su origen en las actividades antropogénicas o en procesos naturales. Los seres humanos pueden estar expuestos a 23 de estos minerales que son tóxicos en ...