Artículo en revista de investigación: Envíos recientes
Mostrando ítems 361-380 de 823
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Design of protective vessel and irrigation system for an organ-on-chip device
(2021-02-01)New devices have been in development in the biomedical engineering field which allow to mimic several physiological processes at once or individually. The present work introduces a design and computational simulation of ... -
Optimization of Running Blade Prosthetics Utilizing Crow Search Algorithm Assisted by Artificial Neural Networks
(2021-02-05)A crow search algorithm (CSA) was applied to perform the optimization of a running blade prosthetics (RBP) made of composite materials like carbon fibre layers and cores of acrylonitrile butadiene styrene (ABS). Optimization ... -
Sputtering power e ects on the electrochromic properties of NiO lms
(2021-02-13)The effect of sputtering power (=60 W–180 W) on the electrochromic properties of nickel oxide films deposited on ITO-coated glass substrates by the radio frequency magnetron sputtering technique was investigated. Crystalline ... -
Centipede Bio-Extremity Elastic Model Control
(2021-03-09)In this research, a specimen of arthropod, infraspecies Cormocephalus calcaratus (centipede) is the matter of study for modeling its trunk-limb biomechanics. The endoskeletal system was built to model and approach its ... -
Application of Inverse Neural Networks for Optimal Pretension of Absorbable Mini Plate and Screw System
(2021-02-02)Mandibular fractures are common facial lesions typically treated with titanium plate and screw systems; nevertheless, this material is associated with secondary effects. Absorbable material for implants is an alternative ... -
Reduction of Stresses and Mass of an Engine Rubber Mount Subject to Mechanical Vibrations
(2021-02-10)A rubber engine mount (EM) is a mechanical coupling between the engine and the chassis, and its main function is to diminish, in the chassis, the amplitude of vibrations caused for the engine operation. Such vibrations ... -
Analysing trimethylaluminum infiltration into polymer brushes using a scalable area selective vapor phase process
(2021-02-02)Developing vapor phase infiltration (VPI) processes for area selective polymer nanopatterning requires substantial advancement in understanding precursor infiltration, precursor–polymer interaction and process parameters. ... -
Magnetostructural transition and magnetocaloric effect in thermally annealed Mn0.5Fe0.5NiSi0.945Al0.055 melt-spun ribbons
(2021-04-19)Were fabricated melt-spun ribbons of the quinary alloy Mn0.5Fe0.5NiSi0.945Al0.055. After an annealing time of 4 h at temperatures between 1073 K and 1223 K, samples underwent a martensitic-like magnetostructural transformation ... -
Pre-existing comorbidity, the highest risk factor for poor prognosis of COVID-19 among the Mexican population
(2021-04-09)The coronavirus disease 2019 (COVID-19) pandemic represents a challenge for public health and a high risk for patients with pre-existing comorbidity. As of July 20, 2020, the Case Fatality Rate (CFR) was 11.30% and the ... -
Mathematical modeling of a 3-CUP parallel mechanism using the Fermat point
(2021-03-18)This document is devoted to the analysis of the pose and velocity kinematics, as well as of the dynamics, for a parallel mechanism with three degrees of freedom, of the type known as 3-CUP. This mechanism is constituted ... -
Fast and inexpensive synthesis of pentacene with high yield using 6,13-pentacenequinone as precursor
(2018-02-15)Pentacene is an important semiconductor in the field of organic electronics. In this work is presented an alternative synthesis procedure to obtain pentacene from 6,13-pentacenequinone as a precursor. Synthesis of pentacene ... -
Advances for the Development of In Vitro Immunosensors for Multiple Sclerosis Diagnosis
(2021-02-25)The diagnosis of diseases based on immunosensors have been objective of research in the last years, providing an improvement for a rapid detection, high sensitivity, precision, accuracy, specificity and resolution. Areas ... -
Unveiling quantum superparamagnetism by interacting monodomains in multiferroic Er-doped bismuth ferrate nanostructured particles
(2021-03-15)In the last few years, the quantum superparamagnetic (QSP) phenomenon has been reported in isolated ultrasmall nanoparticles. In this work, a QSP state and superparamagnetic (SP) state in nanostructured Er-doped BiFeO3 ... -
Dimensional Analysis under Linguistic Pythagorean Fuzzy Set
(2021-03-08)Dimensional analysis under linguistic Pythagorean fuzzy set (DA-LPFS) is a technique to handle qualitative (intangible) as well as the interactions between criteria, by combining dimensional analysis (DA) and Pythagorean ... -
Miedo al Covid, agotamiento y cinismo: su efecto en la intención de abandono universitario
(2021-03-15)La pandemia de Covid-19 ha impactado sin lugar a duda al sector educativo. Entre sus posibles consecuencias se encuentran la aparición y desarrollo del síndrome de Burnout y la intención de abandono por parte de estudiantes. ... -
Optimización del Recorrido de Desperdicios Sólidos Industriales Mediante Dispositivo de Medición y Comunicación
(2020-07-12)El presente proyecto tiene como objetivo el diseño de un control sistematizado sobre los contenedores de residuos en el ámbito industrial. Por lo cual se utilizaron diversas herramientas como el dispositivo físico que esta ... -
Análisis de absorción de turbosina en fibra de vidrio con rucubrimiento hidrofóbico
(2020-11-20)En la presente investigación se realizan estudios de absorción combustible Jet A1 en material compuesto de fibra de vidrio con resina 1) poliéster 2) vinil-éster y 3) epoxi con recubrimiento hidrofó- bico de SiO2 para ... -
Corrosión electroquímica en una superaleación base Cobalto
(2020-11-20)Las superaleaciones base cobalto se caracterizan por sus propiedades mecánicas elevadas a altas temperaturas. Por lo que la siguiente investigación muestra el análisis de corrosión electroquímica de una superaleación ... -
Geodesics of Hayward black hole surrounded by quintessence
(2021-02-26)Basing on the ideas used by Kiselev, we study the Hayward black hole surrounded by quintessence. The values critical of mass and the normalization factor are obtained. We also described the horizons and the extremal ...