Listar por tema "LEMB"

Mostrando ítems 601-620 de 630

    • Synthesis, characterization and catecholase biomimetic activity of novel cobalt(II), copper(II), and iron(II) complexes bearing phenylene-bisbenzimidazole ligand 

      Chirinos, Juan; Ibarra, Darmenia; Morillo, Ángel; Llovera, Ligia; González, Teresa; Zárraga, Jeannette; Larreal, Oswaldo; Guerra, Mayamarú (Cartagena de Indias, 2021-04-24)
      Transition metal complexes of Co(II), Cu(II), and Fe(II) bearing a rigid symmetrical 2,20 -(1,2-phenylene)bis (1H-benzimidazole) ligand, PhBIm2, were synthesized and fully characterized by ESI-MS, FT-IR, 1 H NMR (for ...

    • team UTB-NLP at finances 2023: financial targeted sentiment analysis using a phonestheme semantic approach 

      Cuadrado, Juan; Martinez, Elizabeth; Martinez-Santos, Juan Carlos; Puertas, Edwin (Cartagena de IndiasCampus TecnológicoMaestría en Ingeniería, 2023-12-06)
      Sentiment analysis in the financial domain is a challenging task that plays a crucial role in understanding public opinion, monitoring market trends, and assessing the impact of news on economic agents. In this shared task, ...

    • Tecnologías disruptivas y la toma de decisiones en los negocios 

      Cárdenas Escobar, Alba Zulay; Rangel Romero, Natalia; Atencio Guarnizo, Laura; Almanza Meza, Donny Paola; Theran Ibañez, Sebastian; Mendoza Narváez , Mayrith (Cartagena de IndiasCampus TecnológicoAdministración de Empresas, 2024-02-01)
      Desde la década de los 90 se habla de tecnologías disruptivas (TD) para hacer referencia a innovaciones no evolutivas que implican cambios relevantes en todos los entornos (Bower y Christensen, 1995). Este tipo de ...

    • The DESI Bright Galaxy Survey: Final Target Selection, Design, and Validation 

      ChangHoon Hahn; Wilson, Michael J.; Ruiz-Macias, Omar; Cole, Shaun; Weinberg, David H.; Moustakas, John; Kremin, Anthony; Tinker, Jeremy L.; Smith, Alex; Wechsler, Risa H.; Ahlen, Steven; Alam, Shadab; Bailey, Stephen; Brooks, David; Cooper, Andrew P.; Davis, Tamara M.; Dawson, Kyle; Dey, Arjun; Dey, Biprateep; Eftekharzadeh, Sarah; Eisenstein, Daniel J.; Fanning, Kevin; Forero-Romero, Jaime E.; Frenk, Carlos S.; Gaztañaga, Enrique; Gontcho A Gontcho, Satya; Guy, Julien; Honscheid, Klaus; Ishak, Mustapha; Juneau, Stéphanie; Kehoe, Robert; Kisner, Theodore; Lan, Ting-Wen; Landriau, Martin; Le Guillou, Laurent; Levi, Michael E.; Magneville, Christophe; Martini, Paul; Meisner, Aaron; Myers, Adam D.; Nie, Jundan; Norberg, Peder; Palanque-Delabrouille, Nathalie; Percival, Will J.; Poppett, Claire; Prada, Francisco; Raichoor, Anand; Ross, Ashley J.; Safonova, Sasha; Saulder, Christoph; Schlafly, Eddie; Schlegel, David; Sierra-Porta, David; Tarle, Gregory; Weaver, Benjamin A; Yèche, Christophe; Zarrouk, Pauline; Zhou, Rongpu; Zhou, Zhimin; Zou, Hu (Cartagena de Indias, 2023-05-26)
      Over the next 5 yr, the Dark Energy Spectroscopic Instrument (DESI) will use 10 spectrographs with 5000 fibers on the 4 m Mayall Telescope at Kitt Peak National Observatory to conduct the first Stage IV dark energy galaxy ...

    • The DESI Survey Validation: Results from Visual Inspection of Bright Galaxies, Luminous Red Galaxies, and Emission-line Galaxies 

      Ting-Wen Lan; Tojeiro, R.; Armengaud, E.; Prochaska, J. Xavier; Davis, T. M.; Alexander, David M.; Raichoor, A.; Zhou, Rongpu; Yèche, Christophe; Balland, C.; BenZvi, S.; Berti, A.; Carr, A.; Chittenden, H.; Cole, S.; Cousinou, M. C.; Dawson, K.; Dey, Biprateep; Douglass, K.; Edge, A.; Escoffier, S.; Glanville, A.; Gontcho A Gontcho, Satya; Guy, J.; Hahn, C.; Howlett, C.; Hwang, Ho Seong; Jiang, L.; Kovács, A.; Mezcua, M.; Moor, S.; Nadathur, S.; Oh, M.; Parkinson, D.; Rocher, A.; Ross, A. J.; Ruhlmann-Kleider, V.; Sabiu, C. G.; Said, K.; Saulder, C.; Sierra-Porta, D.; Weiner, B.; Yu, J.; Zarrouk, Pauline; Zhang, Y.; Zou, Hu; Ahlen, S.; Bailey, S.; Cooper, A. P.; De la Macorra, A.; Dey, A.; Dhungana, G.; Doel, P.; Eftekharzadeh, S.; Fanning, K.; Font-Ribera, A.; Garrison, L.; Gaztañaga, E.; Kehoe, R.; Kisner, T.; Kremin, A.; Landriau, M.; Le Guillou, L.; Levi, Michael E.; Magneville, C.; Meisner, Aaron M.; Miquel, R.; Moustakas, J.; Myers, Adam D.; Newman, Jeffrey A.; Nie, J. D.; Palanque-Delabrouille, N.; Percival, W. J.; Poppett, C.; Prada, F.; Schubnell, M.; Tarlé, Gregory; Weaver, B. A.; Zhang, K.; Zhou, Zhimin (Cartagena de Indias, 2023-01-20)
      The Dark Energy Spectroscopic Instrument (DESI) Survey has obtained a set of spectroscopic measurements of galaxies to validate the final survey design and target selections. To assist in these tasks, we visually inspect ...

    • The equivalence between successive approximations and matricial load flow formulations 

      Herrera Briñez, María Camila; Montoya, Oscar Danilo; Alvarado-Barrios, Lázaro; Chamorro, Harold R. (Cartagena de IndiasCampus TecnológicoIngeniería Eléctrica, 2021-03-24)
      This paper shows the equivalence of the matricial form of the classical backward/forward load flow formulation for distribution networks with the recently developed successive approximations (SA) load flow approach. Both ...

    • The rider behavior questionnaire to explore associations of motorcycle taxi crashes in Cartagena (Colombia) 

      Ospina-Mateus, Holman; Quintana Jiménez, Leonardo Augusto; López Valdés, Francisco J. (Cartagena de Indias, 2021-08-16)
      Objective: This study aimed to identify the association between behavioral factors and crashes of motorcycle taxi riders using the Motorcycle Rider Behavior Questionnaire (MRBQ). Methods: This study was a cross-sectional ...

    • The role of energy storage and cross-border interconnections for increasing the flexibility of future power systems : the case of Colombia 

      Pupo-Roncallo, O.; Campillo Jiménez, Javier Eduardo; Ingham, D.; Ma, L.; Pourkashanian, M. (Cartagena de Indias, 2021-04-20)
      The rapid expansion of renewable energy technologies in the electricity sector introduces new significant challenges for power systems due to their high intermittency. Therefore, more flexibility is needed to ensure that ...

    • Theoretical–Experimental Study of the Action of Trace Amounts of Formaldehyde, Propionaldehyde, and Butyraldehyde as Inhibitors of the Ziegler–Natta Catalyst and the Synthesis of an Ethylene–Propylene Copolymer 

      Ortega-Toro, Rodrigo; Castro-Suarez, John R (Cartagena de IndiasCampus Tecnológico, 2023-02-22)
      The copolymer synthesis process can be affected by failures in the production process or by contaminating compounds such as ketones, thiols, and gases, among others. These impurities act as an inhibiting agent of the ...

    • Thermoplastic Starch (TPS)/Polylactic Acid (PLA) Blending Methodologies: A Review 

      Martinez Villadiego, Keydis; Arias Tapia, Mary Judith; Useche Vivero, Jairo; Escobar Macías, Daniela (Cartagena de IndiasCampus TecnológicoIngeniería Mecánica, 2021-06-17)
      Polylactic acid (PLA) and thermoplastic starch (TPS) are biodegradable polymers of biological origin, and the mixture of these polymers has been studied due to the desirable mechanical properties of PLA and the low processing ...

    • Three-dimensional multimodal medical imaging system based on freehand ultrasound and structured light 

      Meza, Jhacson; Contreras Ortiz, Sonia Helena; Romero, Lenny A; Marrugo Hernández, Andrés Guillermo (Cartagena de Indias, 2021-05-21)
      We propose a three-dimensional (3D) multimodal medical imaging system that combines freehand ultrasound and structured light 3D reconstruction in a single coordinate system without requiring registration. To the best of ...

    • Toward an adaptive protection scheme in active distribution networks: Intelligent approach fault detector 

      Marín-Quintero, J.; Orozco-Henao, C.; Percybrooks, W.S.; Vélez, Juan C.; Montoya, Oscar Danilo; Gil-González, Walter (Cartagena de Indias, 2021-01)
      Conventional protection schemes have proven insufficient for the protection of Active Distribution Networks (ADN). Novel protection schemes with an adaptive approach should be developed to guarantee the protection of ADN ...

    • Trade-Off Asymmetric Profile for Extended-Depth-of-Focus Ocular Lens 

      Romero, Lenny A.; Marrugo Hernández, Andrés Guillermo; Millán, María S. (Cartagena de Indias, 2022-02-19)
      We explore the possibility of extending the depth of focus of an imaging lens with an asymmetric quartic phase-mask, while keeping the aberration within a relatively low level. This can be intended, for instance, for ...

    • Trajectory-tracking control of a planar parallel robot using generalized predictive control with constraints 

      Rodelo, M; Villa Ramírez, José Luis; Yime, E (Cartagena de Indias, 2020)
      This paper presents the generalized predictive control with constraints, implemented to a planar parallel robot in order to calculate and track the desired trajectory of the end-effector of this robot. The manipulator is ...

    • Transformación productiva e inseguridad alimentaria en zonas de conflicto armado. El caso de María la Baja, Colombia 

      Rosaura Arrieta, Flórez; Alvis Arrieta, Jorge; Espinosa Espinosa, Aarón (Cartagena de IndiasCampus TecnológicoEconomía, 2023-08-16)
      El artículo analiza la transformación productiva en el marco del conflicto armado interno colombiano y sus efectos sobre las dinámicas económicas, sociales y ambientales de las poblaciones campesinas de María La Baja ...

    • Transitar por el duelo con los niños y las niñas: antología de cuentos y juegos 

      Dominguez, Elsy; Villanueva Cova, Marco (Cartagena de IndiasCampus TecnológicoPsicología, 2022-04-20)
      El duelo tiene varios significados psicológicos tales como dolor, tristeza y soledad, son sentimientos inevitables cuando se pierde un ser querido, a su vez se relaciona con aceptación y aprendizajes (Luna et al., 2017). ...

    • Two-dimensional simulation of emptying manoeuvres in water pipelines with admitted air 

      Paternina-Verona, Duban; Coronado-Hernandez, Oscar; Flórez-Acero, Luis; Espinoza-Román, Hector; Ramos M., Helena; Fuertes-Miquel, Vicente (Cartagena de IndiasCampus TecnológicoIngeniería Civil, 2023-05-09)
      This study examines the impact of sub-atmospheric pressures in water pipelines during emptying manoeuvres with air admitted. Previous research has looked at this issue but has not studied it in detail. This research presents ...

    • Unidades didácticas en física como potenciadores del aprendizaje en estudiantes de ingeniería 

      Jimenez, Francy N.; Beleño, Ligia; Agudelo, Jairo de J.; Muñiz, Jorge L. (Cartagena de Indias, 2020-12)
      El objetivo del presente trabajo fue diseñar e implementar unidades didácticas en temas de física clásica y medir su impacto en los procesos de aprendizaje de estudiantes de ingeniería. El diseño de las unidades didácticas ...

    • Universidad Tecnológica de Bolívar 50 años 

      Ripoll Echeverría, María Teresa; Calvo Stevenson, Haroldo; Universidad Tecnológica de Bolívar (Cartagena de IndiasCampus Tecnológico, 2022)
      No todos los días se cumplen 50 años. Este es un momento único para vacunarnos contra esa peste que es el olvido y la desesperanza y rememorar el sueño que fue posible, para hacer un viaje en el tiempo que nos permita ...

    • Unlocking the potential of Eichhornia crassipes for wastewater treatment: phytoremediation of aquatic pollutants, a strategy for advancing Sustainable Development Goal‑06 clean water 

      Monroy‑Licht, Andrea; Carranza‑López, Liliana; De la Parra‑Guerra, Ana C.; Acevedo‑Barrios, Rosa (Cartagena de IndiasCampus Tecnológico, 2024-05-13)
      The 2030 Agenda, established in 2015, contains seventeen Sustainable Development Goals (SDGs) aimed at addressing global challenges. SDG-06, focused on clean water, drives the increase in basic sanitation coverage, the ...

      Universidad Tecnológica de Bolívar - 2017 Institución de Educación Superior sujeta a inspección y vigilancia por el Ministerio de Educación Nacional. Resolución No 961 del 26 de octubre de 1970 a través de la cual la Gobernación de Bolívar otorga la Personería Jurídica a la Universidad Tecnológica de Bolívar.