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Monetary valuation of a technological patent under transfer alternatives. The case of a products manufacturer company for the electrical and telecommunications sector in Medellín-Colombia

Abstract: The valuation of a technology or invention patent is an exercise of good sense based on referents of competitive intelligence and experts. The purpose of this article is to establish the monetary value of the invention patent according to the technology situa

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Analyzing PM10 concentrations and their trace elements in southern Lima, Peru: a case study from March 06th to 13th, 2020

Abstract: In this research, PM10 concentrations were measured at the Universidad Nacional Tecnológica de Lima Sur (UNTELS), located in southern Lima, from March 06 to 13, 2020. To examine the aerosol-PMw concentrations and their metals, two techniques were applied. The

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Risk analysis by Monte Carlo simulation in underground rock excavation projects

Abstract: Underground excavations are among the most complex engineering works in existence, as they have many variables involved, from the working environment to the methods and equipment adopted for excavation. Historically, preliminary excavation projects have been

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Use of a business intelligence framework in the management of the quality of electricity supply in small and medium-sized companies

Abstract: The objective of this study is to present a methodology based on business intelligence in small and medium-sized companies. Three methods were selected and evaluated, and the cross-industry standard process for data mining (CRISP-DM) was used as a reference.

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Numerical modeling to evaluate tensile mechanical and shear failure of cement in the casing-cement interface

Abstract: This paper proposes the development of a 3D numerical model of the casing-cement-formation system to evaluate the mechanical tensile and shear failure of the cement at the casing-cement interface as the pressure and temperature conditions of the formation and

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Dynamic modeling of the Energy Returned On Invested
Federico Gabriel Camargo

Abstract: This work was developed to present a conceptual and preliminary analysis of the concepts and criteria for estimating the Energy Return On Investment (EROI). In this work, methods based on monetary studies, Life Cycle Analysis (LCA) were discussed and a dynami

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Design of mixture experiments for the analysis of viscosity behavior of sulfonated polyacrylamide solutions (ATBS) with changes in salinity, hardness, and polymer concentration

Abstract: A simple centroid mixture design (SCMD) method was used to determine the effect of the salinity and hardness of preparation water on final viscosity of a polymer solution with Acrylamide-Tert-butyl-Sulfonated units (ATBS). The experimental results of SCMD wer

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Applying hydrological modeling to unravel the effects of land use change on the runoff of a paramo ecosystem

Abstract: To gain insights into the impact of afforestation on the hydrology of a mountain river basin, the Mpinos catchment was modeled to obtain parameters that represent pine land use. Thereafter, the parameters were applied in the Zhurucay catchment to answers the

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Evaluation of losses in electrical subtransmission networks by neural network modeling

Abstract: Determining technical losses in an electrical system is highly complex due to the large amount of information required for its evaluation. A solution to this problem is the evaluation of losses using an artificial neural network. In this work, a model for eva

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Computational Fluid Dynamics (CFD) study to optimize the auxiliary ventilation system in an underground mine

Abstract: Four different scenarios of auxiliary ventilation in an underground mine were studied, validating the results using actual data, and identifying the best ventilation conditions in terms of air velocity and heat load removal. The conditions worsen as the duct

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The role of natural gas in today's energy transition

Abstract: The global energy mix is based on fossil fuels that emit enormous amounts of GHGs causing climate change and serious consequences on our planet. Over the last two decades, renewable energies have increased their share for mitigating effects on the climate. In

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The use of Nanomaterials in the construction sector: a literary review

Abstract: Currently, one of the methods to improve the properties of materials in construction is the use of nanomaterials. The objective of this paper is to review the technological advances in the application of nanomaterials, which improve mechanical properties when

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Alteration in the gene expression of the HepG2 cell line by exposure to particulate matter (PM) of diesel

Abstract: Particulate matter (PM) less than 2.5 um emitted by diesel engines is responsible for the morbidity and mortality associated with air pollution. Alternative fuels have been implemented, but their potential toxic effects are still unknown. The objective of thi

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Decolorization of colored wastewaters with Turquoise Blue dye by the Leptosphaerulina sp. native Colombian fungus - Influence of operational parameters

Abstract: Synthetic dyes are highly stable, offer a wide range of colors, and have easy industrial applications. Nevertheless, dyes become a problem in aqueous environments due to their long permanence and low biodegradability. White-rot fungi are useful to degrade dye

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A general model for rectangular footings. Part I: optimal surface

Abstract: This paper shows a general model of rectangular footings to obtain the soil minimum contact area (optimal surface) that support from 1 to n columns aligned on a longitudinal axis. The proposed model considers that the soil pressure varies linearly. The recent

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Thermo-mechanical study of the mixture of polylactic acid PLA obtained from potato starch with an aliphatic copolyester PBSA (polybutylene sucyanate adipate)
Jorge Amaya-Pinos

Abstract: The conservation of the environment has led to research some polysaccharides with the objective of obtain bioplastics that can be dosed with other polymers and to has better properties. In this research, carried out a thermomechanical study of a dosage betwee

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Deadheading minimization of the mass transportation system in the city of Cali Colombia

Abstract: A model is presented for optimizing the bus allocation to depots or workshop yards (WY), minimizing the total daily fuel consumption of the system during empty runs (non-commercial), and considering the different types of buses, the WY capacities, the demand,

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Technological incident classification model from a machine learning approach in insurance services

Abstract: Managing technological incidents in insurance companies requires a correct and timely assignment of these to the problem-solving teams. Classifying these incidents by humans demands time and knowledge and is frequently executed erroneously. This paper address

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Análisis de la influencia de la variabilidad climática en la precipitación de la cuenca del rio Cali, Colombia

Resumen: El análisis de la variabilidad espacial y temporal de la precipitación es un componente trascendental para la toma de decisiones en las cuencas hidrográficas debido a que influye en las actividades de las personas que habitan dichas cuencas; sin embargo, en C

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Arsénico en águas subterráneas de la cuenca del río Callacame y su impacto en suelos agricolas en Desaguadero, Puno - Perú

Resumen: El arsénico es un elemento presente en el medio ambiente tanto en formas orgánicas como inorgánicas, siendo su forma inorgánica más tóxica. La presente investigación busco cuantificar el arsénico presente en aguas subterráneas y muestras de suelo e identifica

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