Abstract: Programmable Logic Controllers (PLC) are an essential part of automated industrial production processes since their first implementation, so understanding the IEC 61131 standard and, above all, section three defines the programming languages allowed by PLCs t
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Abstract: Pollution and environmental deterioration are two problems that have been exacerbated in recent years, encouraged by the dramatic increase in the world's energy consumption, the burning of fossil fuels, and the lack of adequate management of natural resources
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Abstract: Video services are becoming more and more popular for mobile network users and require greater and greater resources and provisions from telecommunications service providers. But operators suffer from problems of interoperability between the different adaptiv
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Abstract: Entropy measurements are an accessible tool to perform irregularity and uncertainty measurements present in time series. In signal processing, the Multiscale Permutation Entropy is recently presented as a methodology of characterization capable of measuring r
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Resumen: A partir de la situación problemática que implica para la asociación de productores de café de alta calidad “Cuchilla del San Juan de Belén de Umbría”, el desconocimiento del estado del proceso logístico y de la cadena de suministro en el mercado de cafés esp
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Resumen: Este estudio examina las propiedades del filamento de polietileno tereftalato de etileno reciclado (PET) aplicado a la manufactura de monturas oftálmicas mediante fabricación aditiva. Se utilizó la investigación aplicada con enfoque cuantitativo bajo el métod
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Abstract: This article documents the construction of a taxonomy of metacognitive activities that describes the metacognitive skills of university engineering students during problem-solving learning. The methodology used for the construction of the taxonomy was develop
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Resumen: La identificación de la cámara de fuente (SCI) es una herramienta útil para respaldar las investigaciones forenses cuando los expertos necesitan pruebas de cámaras digitales. Una de las formas de realizarlo es analizando el patrón de ruido del sensor (SPN). E
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Abstract: In this work is analyzed the environment and the dynamics of the states for a disease within a constant and closed population, represented by a system of ordinary differential equations, in which the individual, besides having the same
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Resumen: La investigación refiere las relaciones que ocurren desde la perspectiva del tiempo-espacio funcional, en correlación a los objetos-sujetos de la realidad, estableciendo una comparación triádica, apartir de los conceptos de trabajo, equilibrio dinámico propor
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Abstract: The purpose of this paper is to carry out a study on the epistemological beliefs that professors from the Mathematics Department of the Technological University of Pereira, Colombia, expressed, concerning the teaching and learning process of differential calc
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Abstract: In the following manuscript we will show as a starting point a theoretical analysis of the gradient method, known as one of the first descent methods, and from this we will identify the strength of the conjugate gradient methods. Taking an objective function,
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Abstract: In this article, the study of the influence of the calcination temperature on the crystallographic, compositional, and morphological properties of the natural hydroxyapatite taken from sheep bones was carried out. The obtained samples were characterized by th
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Resumen: Se realiza la propuesta de una técnica de análisis de datos cualitativos basados en una recolección por medio de un instrumento de unidades del color RGB (Rojo, Verde y Azul) como fundamento en el proceso de estudio del corpus textual del concepto del electro
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