Listar Productos de investigación por título
Mostrando ítems 1341-1360 de 1393
-
Use of the rice and corn husk ashes as an innovative pozzolanic material in ceramic tile adhesive production
(Cartagena de Indias, 2021-11-01)In this study, the use of agro-industrial waste from rice and corn husk ashes as a pozzolanic addition for cement substitution in the manufacture of ceramic tile adhesive is presented. The cement replacement, at 15%, 20%, ... -
Using an intelligent method for microgrid generation and operation planning while considering load uncertainty
(Cartagena de Indias, 2023-02-22)The integration of distributed generation (DG), energy storage systems (ESS), and controllable loads near the place of consumption has led to the creation of microgrids. However, the uncertain nature of renewable ... -
Using close range photogrammetric method to estimate kinetic variables in olympic-style weightlifting
(Institute of Electrical and Electronics Engineers Inc., 2014)Olympic-style weightlifting, or weightlifting, is an athletic discipline that has as a goal lift the heaviest amount of weight attached a weight set. Weightlifting complements other athletic disciplines to increase power ... -
Using Data-Mining Techniques for the Prediction of the Severity of Road Crashes in Cartagena, Colombia
(Springer, 2019)Objective: Analyze the road crashes in Cartagena (Colombia) and the factors associated with the collision and severity. The aim is to establish a set of rules for defining countermeasures to improve road safety. Methods: ... -
Uso de herramientas de fabricación lean asociadas al factor humano bajo el análisis bibliométrico de la cadena de suministro en Colombia y el mundo /
(2020)Este artículo presenta una investigación sobre las aplicaciones de las herramientas de Lean Manufacturing asociadas al factor humano desde la Supply Chain Management y desde la aplicación al contexto empresarial en el ... -
Validation of instruments as a guarantee of credibility in scientific research
(Editorial Ciencias Medicas, 2019)Instrument validation is considered, for the scope of its scientific rigor, a type of study with its characteristics and procedures. The purpose of this work is to propose a methodology for the validation of a scientific ... -
Validation of the Streeter-Phelps Model in Matlab to predict biochemical demand for oxygen DOB and dissolved oxygen OD
(Cartagena de Indias, 2020-12-24)The article intended the validation of the Streeter Phelps mathematical model that describes the behavior of dissolved oxygen OD and the biochemical oxygen demand BOD, which includes re- aeration and deoxygenation processes, ... -
Valoration of the Synthetic Antioxidant Tris-(Diterbutyl-Phenol)-Phosphite (Irgafos P-168) from Industrial Wastewater and Application in Polypropylene Matrices to Minimize Its Thermal Degradation
(Cartagena de IndiasCampus Tecnológico, 2023-04-02)Industrial wastewater from petrochemical processes is an essential source of the synthetic phenolic phosphite antioxidant (Irgafos P-168), which negatively affects the environment. For the determination and analysis of ... -
Variable control tool in MATLAB for energy transformation processes
(Cartagena de Indias, 2020-10)During the stages of transformation of energy in a process, exercise control over the variables that intervene in it, improve its performance, and identify undesirable conditions in these. Thus, this study is developed as ... -
Variation in experimentation styles and domain-specific knowledge
(2007)This study explored the relationship between experimental strategies and domain-specific knowledge within a task of scientific discovery. Groups of expert biologists, experimental psychologists, and lag people in both ... -
Variational thermodynamics of relativistic thin disks
(Springer New York LLC, 2015)We present a relativistic model describing a thin disk system composed of two fluids. The system is surrounded by a halo in the presence of a non-trivial electromagnetic field. We show that the model is compatible with the ... -
VEGY App
(Cartagena de IndiasCampus Tecnológico, 2022-12-07) -
Vehicle speed estimation using audio features and neural networks
(Institute of Electrical and Electronics Engineers Inc., 2017)Many car accidents that result in pedestrian deaths or serious injuries are due to their inattention when crossing the street. Pedestrians often get distracted using mobile phones or music players, what prevents them to ... -
Vehicular road influence areas
(Elsevier Ltd, 2017)Vehicle operation over paved and unpaved roads is an emission source that significantly contributes to air pollution. Emissions are derived from vehicle exhaust pipes and re-suspension of particulate matter generated by ... -
Vendor managed inventory system considering deteriorating items and probabilistic demand for a three-layer supply chain
(Cartagena de IndiasCampus Tecnológico, 2023-01-23)This paper proposes a Vendor Managed Inventory model for a three-layer supply chain comprised of multiple suppliers, manufacturers, and retailers. During the production and storage of products, rates of defective and ... -
Viable business models for M-commerce: The key components
(IGI Global, 2011)As mobile applications increase in popularity, the issue of how to build viable business models for the m-commerce industry is becoming a clear priority for both organizations and researchers. In order to address this ... -
Vibration analysis of shear deformable shallow shells using the Boundary Element Method
(2014)In this work, the modal and harmonic analysis of elastic shallow shells, using a Dual Reciprocity Boundary Element formulation, is presented. A boundary element formulation based on a direct time-domain formulation using ... -
Vibrational response of elastic membranes coupled to acoustic fluids using a BEM–BEM formulation
(Springer New York LLC, 2014)In the last two decades, few works have been reported in the literature related to analysis of fluid–structure interaction problems using Boundary Element Method for modeling both structure and fluid. To the author’s ... -
Virtual lab in Modelica of a cement clinker cooler for operator training
(2014)Plant operator training plays a fundamental role in improving the energy efficiency of the cement manufacturing process and in reducing the CO2 emission. A virtual lab of a clinker grate cooler, intended for the training ... -
Virtual screening of new targets and inhibitors for Candida albicans infection control
(Cartagena de IndiasCampus Tecnológico, 2021-10-13)Infection by Candida albicans fungus is considered of biomedical interest, producing significant mortality and comorbidity. The development of pathogen resistance during pharmacological treatments is increasing, thus, 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.