Listar Artículo en revista de investigación por título
Mostrando ítems 714-733 de 823
-
Structural and seismographic characteristics of a sector of the Magdalena Shelf, western margin of Baja California, Mexico, from 2D seismic reflection profiles
(2021-05-25)The Magdalena Shelf, located on the Pacific margin of Baja California, Mexico, is crosscut by the Tosco-Abreojos transform fault system, while the Santa Margarita and San Lazaro faults are sub-parallel and located east ... -
Structural design of biosensor: A review
(2023-10-31)The basic elements in biosensors are the recognition element, reporting element, and measuring device. The typical structure for the biosensing process to occur is the one where the recognition element is first in the ... -
Structural model to assess the relationship of manufacturing practices to delivery time in supply chains
(2018-12-10)he literature suggests that companies today evaluate the delivery time of their products/services to improve their performance in supply chains, which has great importance due to the global competition and trends in the ... -
Structural transformation of vanadate nanotubes into vanadate oxides nanostructures during the dry reforming of methane
(2019-09-20)The metal-containing vanadate nanotubes namely MeVO-NT (Me=Ni, Co or Pt) were in situ transformed into vanadate oxides nanostructures i.e., MeVxOy, during the methane dry reforming. All the experimental observations through ... -
Students’ perspectives on using YouTube as a source of mathematical help: the case of ‘julioprofe’
(2021-10-29)YouTube is one of the most popular sources of mathematical help among young students. In this study we explore the perspectives of engineering students on the use of YouTube videos with the intention of broadening our ... -
Study of CdS/CdS Nanoparticles Thin Films Deposited by Soft Chemistry for Optoelectronic Applications
(2023-05-31)Chalcogenides semiconductors are currently being studied as active layers in the development of electronic devices in the field of applied technology. In the present paper, cadmium sulfide (CdS) thin films containing ... -
Study of indium tin oxide–MoS2 interface by atom probe tomography
(2019-12)The molybdenum disulfide (MoS2) and indium tin oxide (ITO) interface were studied by atom probe tomography (APT). Raman spectroscopy, scanning electron microscopy, and grazingincidence x-ray diffraction measurements were ... -
Study of the Effect of Combining Activation Functions in a Convolutional Neural Network
(2020-11-04)Convolutional Neural Networks (CNN’s) have proven to be an effective approach for solving image classification problems. The output, the accuracy and the computational efficiency of a CNN are determined mainly by the ... -
Study of the thermal diffusivity of nanofluids containing SiO2 decorated with Au nanoparticles by thermal lens spectroscopy
(2019-08-05)In this work, silicon dioxide (SiO2) spheres and gold nanoparticles (Au) were prepared. The SiO2 was used as a platform to deposit the gold nanoparticles. The SiO2 structures were synthesized employing the Stöber method. ... -
Studying the Effect of Temperature on the Tensile Strength of an Intravascular Catheter Using a Degradation Model
(2022-06-15)The accelerated aging process is incorporated into the design and development of intravascular catheters to assess their reliability assuring that this medical device is safe and effective for the intended use during their ... -
Super-Twisting Algorithm Applied to Velocity Control of DC Motor without Mechanical Sensors Dependence
(2020-11-19)A DC motor velocity control in feedback systems usually requires a velocity sensor, which increases the controller cost. Additionally, the velocity sensor used in industrial applications presents several disadvantages ... -
Superparamagnetic state in La0.7Sr0.3MnO3 thin films obtained by rf-sputtering
(2020-02-13)A novel superparamagnetic state has been observed in high quality La0.7Sr0.3MnO3 (LSMO) thin films directly grown by rf-sputtering on SiOx/Si(100) substrates. The films are nanostructured without grain boundaries, constituted ... -
Suppliers selection based on intuitionistic fuzzy dimensional analysis
(2020-08-11)Supplier selection is a crucial activity in the supply chain management, and fundamentally it is a multi-criteria decision-making problem. However, the interaction of the criteria, the uncertain regarding to subjectivity ... -
Surface characterization of poly-2-vinylpyridine—A polymer for area selective deposition techniques
(2019-09-02)Thin films of OH terminated poly-2-vinylpyridine (P2VP), a polymer with potential for infiltration mediated thin film deposition, area selective deposition (ASD), and small feature size development via block copolymer (BCP) ... -
Susceptibility to Pitting Corrosion of Ti-CP2, Ti-6Al-2Sn-4Zr-2Mo, and Ti-6Al-4V Alloys for Aeronautical Applications
(2021-06-23)Titanium alloys are used in different industries like biomedical, aerospace, aeronautic, chemical, and naval. Those industries have high requirements with few damage tolerances. Therefore, they are necessary to use ... -
Sustainable practices for the efficient use of green energy in Ciudad Juárez SMEs
(2023-11-03)Carbon emissions have been increasing due to economic growth and development. Fossilbased energy is one of the main factors of environmental pollution. In Mexico, 77.24% of fossil-based energy is from stationary source ... -
Synergetic Application of Multi-Criteria Decision-Making Models to Credit Granting Decision Problems
(2019-11-22)Although various algorithms have widely been studied for bankruptcy and credit risk prediction, conclusions regarding the best performing method are divergent when using different performance assessment metrics. As a ... -
Synergism in novel silver-copper/hydroxyapatite composites for increased antibacterial activity and biocompatibility
(2020-08-15)This study develops a novel silver-copper/hydroxyapatite composite (Ag–Cu/HA) with high biocompatibility and antibacterial activity. Two different materials were synthesized, namely silver-hydroxyapatite (Ag-HA) and ... -
Synthesis and Characterization of Carbon Aerogels Electrodes Modified by Ag2S Nanoparticles
(2021-02-21)In this work, electrodes based on carbon aerogels (CA) modified by Ag2S nanoparticles (NPs) were synthesized by sputtering and solid-vapor reactions. Nanoparticles were identified as silver sulfide (acanthite phase) and ... -
Synthesis and characterization of niobium doped bismuth titanate | Síntesis y caracterización del titanato de bismuto dopado con niobio
(2021-12-21)Pure and niobium doped bismuth titanate ceramics Bi4Ti3−xNbxO12(Nb − BiT) with x ranging from 0% to 2% are prepared by sol–gel method. Pellets are sintered by pressureless sintering (PLS) and spark plasma sintering (SPS). ...