Artículo en revista de investigación: Envíos recientes
Mostrando ítems 261-280 de 968
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Influence of 3D Printing Parameters by FDM Method on the Mechanical Properties of Manufactured Parts
(2022-11-01)The manufacturing of machine parts with additive methods (AM) is of significant importance in modern industry. The development of 3D printers and all 3D printing technology is impressive. The ability to make parts ... -
IMPACT ENERGY DISSIPATOR WITH VARIABLE STIFFNESS AND DRY FRICTION LAYERS
(2022-01-12)This paper presents an experimental and numerical study that allows to evaluate the dissipation of impact energy, proposing a friction damper with the use of layers (LFD) for impact energy dissipation. The study is carried ... -
El Circo de la Física: Actividades lúdicas en la divulgación de la física
(2022-08-31)Este trabajo describe de una manera cualitativa cómo se presentan los conceptos y demostraciones físicas en El Circo de la Física, uno de los ejemplos a nivel mundial de este tipo de actividad de divulgación cien-tífica. ... -
Implementación de metodología Seis Sigma para la solución de bolas de soldadura en tablillas electrónicas
(2022-12-01)En este artículo se aborda la investigación realizada en una planta de Ciudad Juárez, Chihuahua, México, donde se trabajan diferentes modelos de tablillas electrónicas para el control de diversas partes y accesorios ... -
Energy extraction in electrostatic extreme binary black holes
(2022-12-28)Relying on the Penrose process mechanism, we study the possibility of energy extraction from a binary system composed of two extreme electrostatic black holes (BHs) oppositely charged, separated by a strut described by ... -
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 ... -
A Study of Stopping Rules in the Steepest Ascent Methodology for the Optimization of a Simulated Process
(2022-09-29)first_pagesettingsOrder Article Reprints Open AccessArticle A Study of Stopping Rules in the Steepest Ascent Methodology for the Optimization of a Simulated Process by Paulo Eduardo García-Nava *,†ORCID,Luis Alberto ... -
Abstracción y transferencia del concepto de variación en distintos contextos y representaciones
(2022-04-08)La presente investigación tiene como finalidad analizar los niveles de abstracción en el estudiante en situaciones que involucran un pensamiento variacional. Esta investigación se llevó a cabo dentro de la Universidad ... -
Semimetal transition in curved MoS2/ MoSe2 Van der Waals heterojunction by dispersion‑corrected density functional theory
(2022-10-24)We present a theoretical study for MoS2/MoSe2 Van der Waals heterojunction in the armchair direction, and periodicity in the y-direction, under the mechanical deformation process to explore electronic structure vs. curvature ... -
Comparing workload and performance during demanding push force and mental tasks
(2022-12-26)Abstract: BACKGROUND:The effects of performing occupational tasks that demand physical and mental efforts in combined and simultaneous approaches are unknown, especially when pushing force is analyzed as a physical effort ... -
Análisis de carga mental y molestias musculoesqueléticas en conductores de transporte público en Ciudad Juárez, Chihuahua México
(2022-12-22)En Ciudad Juárez, México, el servicio de transporte público carece de condiciones seguras atribuidas al estado de las calles, a las pobres condiciones de trabajo de los conductores y malas condiciones de los camiones. Esta ... -
New Formulation to Synthetize Semiconductor Bi2S3 Thin Films Using Chemical Bath Deposition for Optoelectronic Applications
(2022-11-24)Abstract: Anisotropic materials possess direction dependent properties as a result of symmetry within their structure. Bismuth sulfide (Bi2S3) is an important semiconductor exhibiting anisotropy due to its crystalline ... -
A reliability analysis for electronic devices under an extension of exponentiated perks distribution
(2022-12-29)This paper presents a reliability analysis for electronic devices (ED) with bathtub curve-shaped failure times. An extension of the exponentiated perks distribution (EPD) is proposed for the analysis. The extension of ... -
Bioactividad y biocompatibilidad de compósitos de zirconia estabilizada con Y/ hidroxiapatita-Cu, Fosfato Tricálcico-Ag o Fosfato Tricálcico-Ga
(2022-06-28)The biological compatibility of bone and dental implants is limited, since it is placed until a long time after it has been implanted, due to its low resistance of infections attributed to a quick degradation of the implant ... -
O-carboxymethyl chitosan/gelatin/ silver-copper hydroxyapatite composite films with enhanced antibacterial and wound healing properties
(2022-08-21)Wound dressing composite films of O-carboxymethyl chitosan (OCMC) and gelatin were prepared and mixed with hydroxyapatite (HA) composited with Silver (Ag) and Copper (Cu) at different concentrations. The chemical, ... -
Evaluación físico-química de compositos madera-plástico para el diseño de productos
(2022-06-21)Los residuos de madera son tratados comúnmente como desecho y existe un problema para su disposición. Actualmente, las fibras son utilizadas para producir papel, material de construcción y bioplásticos; aunque han sido ... -
Design of a Neural Super-Twisting Controller to Emulate a Flywheel Energy Storage System
(2021-10-07)In this work, a neural super-twisting algorithm is applied to the design of a controller for a flywheel energy storage system (FESS) emulator. Emulation of the FESS is achieved through driving a Permanent Magnet Synchronous ... -
The effectiveness of published continuum constitutive laws to predict stress-assisted densification of powder compacts
(2022-10-10)Commonly used constitutive laws for crystalline and viscous materials have been compared to predict the densification behavior under hot-pressing and sinter-forging. Experimental results, from literature for one loading ... -
Composite scaffolds of chitosan/polycaprolactone functionalized with protein of Mytilus californiensis for bone tissue regeneration
(2022-03-30)Nowadays, the treatment for bone damage remains a significant challenge. As a result, the development of bioactive three-dimensional scaffolds for bone regeneration has become a key area of study within tissue engineering. ... -
Influence of Rare Earths Additions on the Microstructure and Hardness of Heat-treated Nanostructured Superalloy Inconel 718
(2022-07-22)The superalloy Inconel 718 is greatly employed in high-temperature applications due to its principal characteristics: high resistance to oxidation and excellent mechanical performance at elevated temperatures; hence, its ...