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Mostrando ítems 1299-1318 de 1794
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Patrones de concentración de carbono negro y principales fuentes de emisión en Ciudad Juárez, Chihuahua, México
(2020-06-27)El carbono negro (CN) es un contaminante atmosférico producido de forma natural y como resultado de la combustión incompleta de combustibles fósiles, biocombustibles y biomasa. La región Paso del Norte (México-Estados ... -
Patrones De Difracción De Luz Láser (532 NM) Mediante Phantoms Que Simulan La Estructura Del ADN
(CIO, 2019-05-31)La difracción de ondas electromagnéticas como rayos X o luz visible, es un fenómeno físico utilizado para inferir estructuras de objetos en diversas áreas del conocimiento. En la primera parte de este trabajo se presentan ... -
PEG-coated silver nanoparticles by ultrasound assisted colloidal synthesis
(Sociedad Mexicana de Ciencias y Tecnología de Superficies y Materiales A.C., 2020-10-19)Ultrasound assisted colloidal synthesis is one of the simplest and inexpensive methods for AgNPs preparation. In this work, we use this method to synthesize small size AgNPs using PEG as stabilizer and citric acid as ... -
Películas delgadas de WO3 con dopaje de iones metálicos: En búsqueda de piezoelectricidad
(Universidad Autónoma de Ciudad Juárez, 2021-11-11)El presente trabajo de investigación se enfoca en la fabricación de películas delgadas de WO3 con dopaje de iones metálicos (Al, Pt, Au, Mo), depositadas mediante pulverización catódica con potencia de radiofrecuencia y ... -
Pensamiento matemático en niños rarámuri: Una mirada socioepistemológica
(Universidad Autónoma de Ciudad Juárez, 2021-11-11)El presente trabajo de investigación tiene como objetivo general utilizar la elaboración de una artesanía rarámuri doblando papel, para evidenciar la transición de la acción a la actividad y de la actividad ... -
Perfil sociodemográfico de los habitantes del ejido Alfredo V. Bonfil, Municipio de Mulegé, Baja California Sur, México.
(2020-09-15)La Geotermia es una energía renovable y prácticamente inagotable, pues aprovecha el calor interno natural de la Tierra, además, tiene un impacto ambiental mínimo si es comparada con las energías no renovables, ya que su ... -
Perfiles de los consumidores de alimentos funcionales en un contexto mexicano
(Academia de Ciencias Administrativas, 2023-05-31)De un tiempo a la fecha existen propuestas alimenticias que incluyen el uso de alimentos funcionales. A nivel global el consumo y los estudios sobre estos alimentos se ha incrementado; sin embargo, en México se desconocen ... -
Performance Comparison of Augmented Reality Frameworks
(2023-12-05) -
Performance evaluation of a commercial 3D printer that uses fused filament deposition technology
(Springer, 2019-01)Since 3D printer home and industrial applications have increased in the last years, the need for a reliable tool to evaluate 3D printer capabilities has become necessary. A DOE was performed to determine the optimum ... -
Performance Evaluation of Multigrid Brute-Force Solutions of Inverse Kinematics Problem for the Robotis OP2 Humanoid Hand
(Springer Singapore, 2023-02-24)Humanoid robots target to remove human labor from multiple working environments including the ones that were initially constructed for a human. Robot limbs operation requires solving an inverse kinematics problem, and a ... -
Permanent Changes in Clinical Engineering Procedures Since COVID-19 in OECD Countries
(Springer, 2023-10-27)The COVID-19 pandemic has impacted clinical engineering procedures, including medical technology management, training and technical support, quality risk management, and research and development. This research aims to ... -
PET Image Reconstruction Using a GRU-Convolutional Network
(2022-10-24)Positron emission tomography is widely used for tumor detection and treatment monitoring in oncology. However, the quality of the images depends, among other factors, on the amount of radiopharmaceutical ingested by the ... -
Péndulo De Foucault En Ciudad Juárez
(2020-11-11)Se presenta un reporte técnico sobre el proyecto Péndulo de Foucault, que es un proyecto de divulgación científica para Ciudad Juárez. El proyecto fue logrado exitosamente gracias al apoyo económico del Instituto de ... -
PFDA-FMEA, an Integrated Method Improving FMEA Assessment in Product Design
(2021-02-04)Product Design (PD) currently faces challenges in new product development, since the industry is in a rush to introduce new products into the market, with customers demanding products that are faster, cheaper, and free ... -
pH-responsive polymer micelles for methotrexate delivery at tumor microenvironments
(2020-11-16)Methotrexate (MTX) anticancer drug was successfully loaded and released in a controlled manner from polymer micelles made of a diblock copolymer of poly(monomethoxy ethylene glycol)-b-poly(ε-caprolactone) (mPEG-PCL). The ... -
Phase composition and its effect on the mechanical performance of an AlCoCrFeNiTi high-entropy alloy
(2022-03-09)The concept of High-Entropy Alloy (HEA) expanded the research field of advanced metallic materials for various applications, like the development of ultra-hardness ballistic protection materials for national security. ... -
Phase transformation and magnetocaloric effect of Co-doped Mn–Ni–In melt-spun ribbons
(2020-08-06)Ribbon-shaped magnetocaloric materials are favorable to achieve high heat-transfer efficiencies due to their large specific surface area. In this work, Mn50Ni41−xIn9Cox (0 ≤ x ≤ 4) ribbons were prepared using a melt-spinning ... -
Phase transition and magnetocaloric properties of Mn50Ni42-xCoxSn8 (0 < x < 10) melt-spun ribbons
(2018-01-01)The characteristics of magnetostructural coupling play a crucial role in the magnetic field-driven behaviour of magnetofunctional alloys. The availability of magnetostructural coupling over a broad temperature range is of ... -
Photocatalytical degradation of methyl orange (MO) using ZnO nanoparticles from alkaline wasted batteries. The effect of the MO, catalyst, and organic loads
(2022-11-01)The photocatalytic degradation of methyl orange (MO) using ZnO nanoparticles is reported. NPs in the range of 40-60 nm were obtained from wasted alkaline batteries anodes. The effect of the MO concentration and the catalyst ... -
Physicochemical properties of chitosan–magnetite nanocomposites obtained with different pH
(2021-08-10)The physicochemical properties of the nanoparticle surface determine the performance of nanocomposites in biomedical applications such as their biodistribution and pharmacokinetics. The physicochemical properties of chitosan, ...