Artículos científicos
Recent Submissions
-
Geochemical and environmental assessment of potential effects of trace elements in soils, water, and sediments around abandoned mining sites in the northern Iberian Peninsula (NW Spain)
(Elsevier Ltd, 2023-03-18)Acceso abiertoThe mineral deposits and traces in the Iberian Peninsula are very numerous and of varied mineralogy. This study aimed to analyze the geochemical and environmental changes detected in soil, water, and sediments around the ... -
Optimization of total polyphenol extraction and flavonoid screening by mass spectrometry in mango (Mangifera indica L.) waste from Peru
(Sociedade Brasileira de Ciencia e Tecnologia de Alimentos, SBCTA, 2023-01-09)Acceso abiertoThis research aims to optimize the extraction yield of total phenolic compounds (TPC) and quantify flavonoids by mass spectrometry in peel and kernel of mango (Mangifera indica L.), varieties: Edward, Kent, Haden, and ... -
Multivariate analysis for the classification of chocolate according to its percentage of Cocoa by using Terahertz Time-Domain Spectroscopy (THz-TDS)
(MDPI, 2020-11-12)Acceso abiertoTerahertz time-domain spectroscopy is a useful technique for determining some physical characteristics of materials, and is based on selective frequency absorption of a broad-spectrum electromagnetic pulse. In order to ... -
Dielectric spectral profiles for andean tubers classification: a machine learning techniques application
(IEEE, 2021-09-21)Acceso cerradoCurrently, the agri-food industry prioritizes the development of non-destructive methods, such as dielectric spectroscopy, for quality control. The obtained dielectric spectral properties can be coupled to multivariate ... -
Online-learning research courses during the COVID-19 AdaptationsStage [Cursos de investigación en aprendizaje en línea durante la etapa de adaptación COVID-19]
(LACCEI, 2021-09-08)Acceso abiertoCon el impacto del COVID-19 en todo el mundo, en el sector universitario hubo un cierre inmediato de las clases presenciales y un cambio repentino al aprendizaje en línea además de la generación de nuevos enfoques para el ... -
Terahertz time-domain spectroscopy for the classification of mature cheese [Espectroscopía de terahercios en el dominio del tiempo para la clasificación de queso madurado]
(LACCEI, 2021-09-08)Acceso abiertoTerahertz time-domain spectroscopy is a useful technique to determine some physical characteristics of materials, which is based on the selective frequency absorption of a broadspectrum electromagnetic pulse. In order to ... -
Determination of the geographical origin of two coffee varieties by NIR spectroscopy [Determinación del origen geográfico de dos variedades de café mediante espectroscopia NIR]
(LACCEI, 2021-09-08)Acceso abiertoThe objective was to implement a non-invasive classification system for green coffee beans by using near-infrared spectroscopy (NIR) and multivariate data analysis. For this, 4 types of coffee were analyzed, according to ... -
How reacted USA with the first case of bubonic plague on 21 August?
(Springer, 2022-03-03)Acceso cerradoThe present work studies the reactions of citizens from United States of America (USA) during the first cases of Bubonic Plague in the territory on August 2020, during pandemic generated by Covid-19. The interest of the ... -
Differences in student satisfaction in online learning and remote teaching courses during the Covid-19 adaptation stage
(IEEE, 2021-05-19)Acceso abiertoABSTRACT The COVID-19 pandemic has profoundly changed the way engineering courses are taught worldwide. Consequently, universities have developed strategies that involve social isolation, thus modifying their operations ... -
Hope amid a pandemic: is psychological distress alleviating in South America while Coronavirus is still on surge?
(Springer, 2021-03-29)Acceso abiertoABSTRACT As of November 17, 2020, the COVID-19 pandemic has over 55 million reported cases, causing more than 1.3 million deaths. To prevent this pandemic, some countries placed severe resection in the form of full-scale ... -
Failure management in a gold mill tailings treatment process
(Springer, 2021-06-15)Acceso abiertoABSTRACT Despite various existing asset management methodologies, there are still many areas where they are yet to be implemented. This is mainly because they are not customized methodologies and their implementation, in ... -
Application of machine Learning in the discrimination of citrus fruit juices: uses of dielectric spectroscopy
(IEEE, 2020-11-17)Acceso abiertoABSTRACT Nowadays, process control in the juice industry requires fast, safe and easily applicable methods. In this regard, the use of dielectric spectroscopy is being coupled to statistical methods such as machine learning ... -
Assessing development and sustainability of a research management system: Deming's cycle in a peruvian university [Evaluando el desarrollo y la sostenibilidad de un sistema de gestión de la investigación: el ciclo de Deming en una universidad peruana]
(IEEE, 2020-07-27)Acceso abiertoABSTRACT This study aims to evaluate the development and sustainability of a research management system in a private Peruvian university. The Research Management System (RMS) of Universidad Privada del Norte (UPN) was ... -
Holistic approach in the prioritization of critical repairable components [Enfoque holístico en la priorización de componentes críticos reparables]
(LACCEI, 2020-09-15)Acceso abiertoRESUMEN Las palas hidráulicas EX5500 son equipos críticos en los proyectos mineros a tajo abierto, y contribuyen significativamente a alcanzar las metas de producción. La disponibilidad de estos equipos depende de varios ... -
Playful tools and their impact on effective communication in software analysis process
(IEEE, 2020-07-27)Acceso abiertoABSTRACT In the Computer System engineering program, most students are afraid to express their ideas and to speak in public. On the other side, the software modeling and analysis course requires that students clearly ... -
Study of coronavirus impact on parisian population from april to june using Twitter and text Mining Approach
(IEEE, 2020-02-10)Acceso abiertoABSTRACT The fast spreading of coronavirus name covid19, generated the actual pandemic forcing to change daily activities. Health Councils of each country promote health policies, close borders and start a partial or total ... -
Selection and Fusion of Color Channels for Ripeness Classification of Cape Gooseberry Fruits
(Springer, 2019-10-17)Acceso abiertoABSTRACT The use of machine learning techniques to automate the sorting of Cape gooseberry fruits according to their visual ripeness has been reported to provide accurate classification results. Classifiers like artificial ... -
Terahertz Time-domain Spectroscopy (THz-TDS) for classification of blueberries according to their maturity
(IEEE, 2020-11-18)Acceso abiertoABSTRACT Non-destructive determination of blueberry compound using spectral detection method is still a challenge due to the spectral THZ variation caused by abundant biological variations, such as geographic origins and ... -
An Android App for detecting damage on tobacco (Nicotiana tabacum L.) leaves caused by blue mold (Penospora tabacina Adam) [Aplicación móvil para la detección de daños en hojas de tabaco (Nicotiana tabacum L.) por moho azul (Penospora tabacina Adam)]
(IEEE, 2019-01-24)Acceso abiertoABSTRACT In this paper, we present an Android App designed to detect damage in tobacco leaves caused by the fungus of blue mold. This mobile application uses a classifier model which was built using a pattern recognition ... -
Assessment of student outcomes for the ICACIT accreditation: An Industrial Engineering case study
(IEEE, 2020-07-01)Acceso abiertoABSTRACT Working on the continuous improvement of the quality of undergraduate programs is a priority for universities around the world, and for that purpose, several accrediting agencies are responsible for verifying the ...
