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Mostrando ítems 767-786 de 1374
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Learning the therapeutic use of drugs from the three-dimensional spatial information of their molecular structure with convolutional neural networks
(Cartagena de Indias, 2021)Abstract The development of new molecules is a multi-stage process and clinical trials to verify their efficacy cost billions of dollars each year. Machine learning is a tool that is rapidly advancing in image, voice, and ... -
Leveraging 1-wire communication bus system for secure home automation
(Springer Verlag, 2017)Home automation is a rising technology that is available to anyone thanks to the reduce cost of the embedded systems. Since the appearance of different products to create your own domotic system, and the recent popularity ... -
Leveraging Emergency Response System Using the Internet of Things. A Preliminary Approach
(Cartagena de Indias, 2020-12-25)The Internet of Things (IoT) is a new paradigm that is arising in all areas of technology, finding novel applications every day that can improve many aspects of people’s lives. Several applications using IoT have been ... -
Leveraging speculative architectures for runtime program validation
(2013)Program execution can be tampered with by malicious attackers through exploiting software vulnerabilities. Changing the program behavior by compromising control data and decision data has become the most serious threat in ... -
LFSR characteristic polynomial and phase shifter computation for two-dimensional test set generation
(Institute of Electrical and Electronics Engineers Inc., 2017)In built-in two-dimensional deterministic test pattern generation, a Linear Feedback Shift Register (LFSR) extended by phase shifters (PS) is commonly used for generating the test patterns. The specific LFSR/PS structure ... -
Libertad y oportunidad. Consideraciones sobre justicia distributiva en Amartya Sen y Philippe Van Parijs.
(Cartagena de Indias, 2020-08-06)El presente ensayo tiene como propósito una aproximación a las concepciones de la justicia distributiva en dos economistas contemporáneos: Amartya Sen y Philippe Van Parijs. Para tal fin, se aborda de forma transversal la ... -
Liderazgo organizacional aplicado en el sector turismo : radiestesia como factor innovador en la atención de eventos culturales, turísticos, de bienestar y de ancestralidad /
(2020)El presente artículo subraya las afectaciones de que pueden ser víctima los seres vivos, derivadas de tóxicos ambientales, contaminación electromagnética, procedente de las emisiones de telefonía móvil y de la ... -
Liderazgo situacional de los líderes de empresas desarrolladoras de proyectos de tecnología en Cartagena de Indias /
(2020)Esta investigación buscó identificar el tipo de liderazgo predominantemente utilizado por los líderes de dos empresas del sector de proyectos tecnológicos de la ciudad de Cartagena, mediante la aplicación de la teoría ... -
Light-induced control of the spin distribution on Cu–dithiolene complexes: A correlated ab initio study
(MDPI AG, 2019)Metal dithiolene complexes—M(dmit)2—are key building blocks for magnetic, conducting, and optical molecular materials, with singular electronic structures resulting from the mixing of the metal and dmit ligand orbitals. ... -
Lineamientos de estimación de costos para proyectos privados arquitectónicos, con base en un modelo de clasificación único
(Cartagena de Indias, 2020)El presente trabajo de investigación muestra una propuesta de pautas de estimación de costos para proyectos arquitectónicos privados en Colombia. Basado en la teoría de que un modelo de clasificación permite desarrollos ... -
Linear model to estimate the degradation index on the processing of recycled polypropylene due to the addition of stabilizer
(Universidad de Tarapaca, 2016)In the present research work, a lineal model to estimate the Processing Degradation Index (PDI) of polypropylene from recycled industrial waste and municipal solid waste is presented. According to the previous thing an ... -
Linear power flow formulation for low-voltage DC power grids
(Elsevier Ltd, 2018)This paper presents a reformulation of the power flow problem in low-voltage dc (LVDC) power grids via Taylor's series expansion. The solution of the original nonlinear quadratic model is achieved with this proposed ... -
Linear-based Newton-Raphson Approximation for Power Flow Solution in DC Power Grids
(Cartagena de Indias, 2018)This paper presents a linear-based Newton method for load flow solution in DC power grids. This approximation is based on the classical Taylor's series expansion combined to the open-circuit voltage obtained when all the ... -
Linking cosmic ray intensities to cutoff rigidity through multifractal detrented fluctuation analysis
(Cartagena de Indias, 2022)We use multifractal detrented fluctuation analysis (MFDFA) to investigate the relationship between magnetic rigidity or ”cutoff rigidity” and the variability and multifractal behavior in the time series of the cosmic ray ... -
Linking PM10 and PM2.5 Pollution Concentration through Tree Coverage in Urban Areas
(Cartagena de Indias, 2023-03-16)Particulate matter, PM10 and PM2.5, represents common air pollutants in cities and constitute a considerable threat to public health impacting daily activity of people living in city. In large cities, the main sources of ... -
Local stable and unstable manifolds for anosov families
(Cartagena de Indias, 2019)Anosov families were introduced by A. Fisher and P. Arnoux motivated by generalizing the notion of Anosov diffeomorphism defined on a compact Riemannian manifold. They are time-dependent dynamical systems with hyperbolic ... -
Location of FACTS Devices in Power Systems: Application to the IEEE 9 bus System
(Institute of Electrical and Electronics Engineers Inc., 2019)This paper proposes a methodology to find the location of a flexible transmission system in AC in a power system, based on a nodal order and the analysis of repetitive power flows. To check the proposed methodology, the ... -
Logistic regression models for predicting daily airborne Alternaria and Cladosporium concentration levels in Catalonia (NE Spain)
(Springer New York LLC, 2019)Alternaria and Cladosporium are the most common airborne fungal spores responsible for health problems, as well as for crop pathologies. The study of their behavior in the air is a necessary step for establishing control ... -
Logística inversa y sustentabilidad: un análisis bibliométrico /
(2020)La logística inversa y la sustentabilidad se ha convertido en una oportunidad para las empresas para mejorar la visibilidad, la rentabilidad y reducir costos de las cadenas de suministros. Estas se encargan de gestionar ... -
Loneliness and vertical and horizontal collectivism and individualism: A multinational study
(Cartagena de Indias, 2023)This paper investigates how horizontal and vertical individualism and collectivism predict self-report loneliness in addition to the variance accounted for by age and sex in 28 countries (N = 8,345). Horizontal and vertical ...
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.