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Mostrando ítems 724-743 de 823
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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). ... -
Synthesis and Novel Purification Process of PANI and PANI/AgNPs Composite
(2019-04-24)In this work, polyaniline (PANI) is synthesized via oxidative polymerization of aniline and purified using organic solvents where the emeraldine phase is isolated by employing a phase separation system. The above contributes ... -
Synthesis of ag2s quantum dots and their biomedical applications
(2018-01-15)In the last years Quantum dots have been studied from various perspectives from basic science such as physics to nanotechnology and biotechnology with its possible applications in different areas such as sensors, biosensors, ... -
Synthesis of Controlled-Size Silica Nanoparticles from Sodium Metasilicate and the Effect of the Addition of PEG in the Size Distribution
(2018-03-28)Silica nanoparticles are widely studied in emerging areas of nanomedicine because they are biocompatible, and their surface can be modified to provide functionalization. The size is intrinsically related to the performance ... -
Synthesis of nanostructured Nickel compounds on conductive metallicsubstrates
(2019-09-16)Nickel hydroxide, oxide, and sulfide films were synthesized on conductive Ni metallic substrates by solidvapor reactions, calcination and hydrothermal methods. The synthesized films were characterized by XRD, XPS, FE-SEM, ... -
Synthesis, structural, and magnetic properties of Heusler-type Mn2-xFe1+xGe (0.0 ≤ x ≤ 1.0) alloys
(2021-07-21)Bulk Mn2-xFe1+xGe (0.0 ≤ x ≤ 1.0) alloys have been synthesized by arc-melting followed by a low temperature homogenization thermal annealing, whereas for comparison purposes the Mn2FeGe alloy was also produced in ribbon ... -
Taller Interactivo De Enseñanza De La Óptica En Infantes Escolarizados: Juego, Comprensión Y Permanencia Escolar
(2021-12-09)La permanencia de los infantes en el entorno académico funge como factor protector tanto para la emisión de conducta antisocial en la adolescencia como en la adultez, a la par que posibilita su acceso a mejores opciones ... -
Target Field of View Prediction Using Artificial Pheromones for People Reidentification
(2019-12-10)People reidentification is a fundamental task in automated video surveillance based on computer vision. Reidentification happens when a person seen in a field of view is the same that has been observed in other fields of ... -
Target Nanoparticles against Pancreatic Cancer: Fewer Side Effects in Therapy
(2021-11-05)Pancreatic cancer is the most common lethal tumor in America. This lethality is related to limited treatment options. Conventional treatments involve the non-specific use of chemotherapeutical agents such as 5-FU, capecitabine, ... -
Technical Reference Framework for the Interoperability of Electronic Medical Record: Conceptual Model
(2020-05-21)This paper presents the domain modeling of a technical framework of sharing and interaction of an electronic me-dical record among different healthcare institutions, both public or private, as a first step to establish a ...