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In vitro germination and growth of maize and lettuce seeds exposed to iron oxide magnetic nanoparticles

Abstract: Iron is a micronutrient essential for optimal plant development, nevertheless, due to their low solubility it is poorly available to plants, affecting many agronomically important crops. Nanofertilizers are nanoparticles that have been used as an alternative

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Hydro-morphological simulation of the stilling basin of Mazar dam with 3D schemes

Abstract: In the development of water resources projects with large hydraulic infrastructures, alterations to the natural flow regime will increase the erosive processes on the discharge structures due to variability of the turbulent velocities and the particle transpo

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Aeronautic maturity cybersecurity: a framework
Guillermo Brito-Acuña

Abstract: This article presents the results of a systematic review of the methods to implement cybersecurity maturity. Based on them, it proposes a framework for excellence in aeronautical cybersecurity that integrates the objectives of aeronautical cybersecurity with

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Factors related to academic performance among engineering students: a descriptive correlational research study

Abstract: Academic performance (AP) is a proper pedagogical strategy to determine acquisition of learning outcomes. Monitoring is essential for decision-making regarding accompanying plans and improving educational quality. Saber-Pro is a standardized test applied by t

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Experimental study about the improvement of the mechanical properties of a concrete cobble using recyclable additives

Abstract: This study presents an experimental study to improve the mechanical properties of a concrete cobble using statistical software. First, an experimental design was carried out using a statistical software to obtain the different mixtures of cement with additive

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Multi-objective optimization of multi-energy systems planning in remote zones: the Bahía Málaga Colombian case

Abstract: Non-Interconnected Zones (NIZ) are a challenge for countries in terms of providing energy service coverage that is both economically and environmentally sustainable. Although some microgrid planning strategies allow for scaled-down energy solutions for these

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Efficiency analysis of the SVPWM control using the simulink electrical library and implemented in the Lucas Nulle practice modules
Franklin Israel Sánchez-Gamboa

Abstract: The purpose of this research is to analyze the efficiency of an induction motor controller, using space vector pulse width modulation (SVPWM) in open loop. With a constant torque of 1.5 Newton per meter. It is carried out by applying the mathematical model, t

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Multicriteria decision analysis to support the acquisition of PCR equipment for the detection of COVID-19 in Colombia

Abstract: This study proposes a multicriteria analysis to prioritize equipment alternatives for processing RT-PCR tests to detect the SARS-CoV-2 virus through nasopharyngeal swabbing. The Hierarchical Analysis Process (AHP) based on Health Technology Assessment (HTA) w

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Production of PHA under improved culture conditions and using a new feeding model
Wilman Alcaraz-Zapata

Abstract: Polyhydroxyalkanoates (PHAs) have become important due to their mechanical properties, which resemble those of plastics derived from petrochemicals. Despite the advantages they possess, its use is limited by production costs. In terms of the culture systems u

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Solving plane stress problems using EsfPlano2D educational software

Abstract: An educational computational application for analyzing plane stress problems oriented to engineering students called EsfPlano2D is presented to motivate students to study the subject and strengthen didactic strategies in the classroom. The application assists

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Strategic management potential for process alignment in Cuban sports government organizations

Abstract: The strategic alignment allows coordinating objectives, processes, resources, personnel and critical factors in order to make decision making viable, in addition, it allows aligning processes with the organization's strategy. The objective of the research is:

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Mercury and human health: probabilistic risk characterization in one of the oldest gold mining areas in Ecuador

Abstract: Artisanal and small-scale gold mining is an important contributor to global human emissions of Hg. This study assesses the probabilistic human health risk for two receptors groups (residents and workers) of Portovelo mining area through exposure to Mercury (H

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Occupational hazards and economic indicators in the scheduling of a make-to-order system
Germán Coca-Ortegón

Abstract: This paper examines some specific occupational hazards and certain economic indicators of sustainability in a make-to-order manufacturing system. In this respect, two multi-objective protocols are structured. The first is a redesigned genetic algorithm; the s

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The evolution and trends of hyperconvergence in the telecommunications sector: a competitive intelligence review

Abstract: This research analyzes and identifies the evolution and trends in the telecommunications sector to successfully implement a hyperconverged solution. The approach was qualitative through a document review, exploring the best practices of consulting firms, the

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Microwave-assisted production of alkyl-polyglucoside from Sacha inchi oil and glucose

Abstract: In this work, different microwave reaction times (0, 10, 20, and 30 min) have been evaluated to obtain an alkyl polyglucoside from Sacha inchi (Plukenetia volubilis L.) and glucose using microwaves at a power of 200 W and a temperature of 70 °C. The character

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Definition of constants & input and output variables for a parametric model of a SI internal combustion engine

Abstract: In this article is shown a path to define constants as well as input and output variables when elaborating a parametric model of an internal combustion engine by triggered ignition. There are discussed the different critical factors that should be considered

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Biogas utilization from municipal solid waste in developing countries towards the transition to sustainable development - The Colombian case
Ana Julieth Calderón-Márquez

Abstract: Sustainable Development (SD) encompasses the enhancement of quality of life through social, economic, and environmental pillars. Biogas utilization from landfills (BUL) is a widely adopted technique in the United States and some European regions. However, myt

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Experimental tests of reinforced concrete beams with hybrid nodes and characterization of the results
Yordy Mieles-Bravo Stalin Alcívar

Abstract: This research presents the study of the behavior of reinforced concrete beams with hybrid nodes based on a 23 factorial experiment design, whose independent variables are: shear moment ratio (M/V), ratio between the height of the node and the depth total of t

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Analysis of variance in additive manufacturing with 3D printing

Abstract: Additive manufacturing is a tool in the development and innovation of products, so in this work an analysis is performed, by means of a statistical model called ANOVA, to identify analysis trends in applied engineering and research environments. The measureme

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Revisión de estrategias de enseñanza y aprendizaje de la electrónica básica orientada a neouniversitarios de ingeniería

Resumen: El objetivo principal de este artículo de tipo revisión bibliográfica es identificar y analizar las estrategias de enseñanza y aprendizaje más efectivas para la enseñanza de la electrónica básica a estudiantes neouniversitarios. En la búsqueda se emplearon ba

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