Implementación de un fonocardiógrafo digital para el análisis de sonidos cardiacos utilizando la técnica de procesamiento digitales de señales Authors: Potosí Astudillo, Carlos Iván, Guerrero Rivera, Luis Daniel

“…A phonocardiography system that allows the acquisition of heart sounds was implemented, where it was developed in a bioinstrument consisting of a hardware part, which consists of parts of a conventional phonendoscope with electronic components, which transmits the signal captured by the computer audio card, which allows analyzing by means of a computational strategy the semi-automatic classification of the normal or pathological signal, debugging noises with the wavelet transform and identifying the high and low frequencies highlighting the frequencies of the R1 and R2 noises, implementing a voice activity detection system (VAD) in order to detect the width of the noises, becoming a support system in the diagnosis with statistical characteristics, shown through an interface made in MATLAB 2022a the diagnosis, with a result of 84% accuracy in the detection of cardiac abnormalities, sensitivity with 82. 3% and 84% specificity, achieving the design of a functional acquisition system with affordable components, with the ability to classify the existence of a cardiac pathology.…”

Potencial exportador de la pulpa de Arazá hacia el mercado de Alemania Authors: Mambuscay Marengo, Leidy Tatiana

“…Colombia, being in the tropical region, is rich in fruit diversification, among these exotic ones such as "araza", this fruit grows a lot in the Amazon, and crops are currently being increased in Valle del Cauca; Although it is highly recognized in the aforementioned areas, it has not been given the sufficient value and recognition that it should have, since it contains a high nutritional composition based on vitamins and proteins, in addition to its medicinal uses to counteract symptoms of various diseases. …”

Identificación de un mercado potencial para la exportación de mermelada de guayaba Authors: Vargas Ospina, Daniela

“…The results made it possible to show that jam is a product with high demand worldwide, with countries such as Germany, the United States, the United Kingdom, among others, being the main importers. The easy conservation of the product, its flavor, as well as its nutritional content make it highly demanded in homes, which is consumed directly or as an ingredient for other preparations. …”

Desarrollo del sector férreo en Colombia y su aporte a la competitividad del país revisión de estudios (2014 – 2021) Authors: Vidal León, Jessica Paola, Marín, Leidy Patricia

“…To achieve this objective, a review of the State of the Art was carried out, consulting 31 studies that have analyzed the relationship between competitiveness and the iron sector, published between 2014 and 2021. …”

Estrategias de afrontamiento en adolescentes escolarizados con sintomatología depresiva Authors: Zuluaga Guevara, Paola Vanessa

“…For this purpose, a descriptive quantitative study was carried out with a sample of 42 adolescents in 5th and 6th grades of high school, selected through the application of the Beck Depression Inventory II; subs equently, the modified Coping Strategies Scale (EEC them. …”

Herramienta computacional que permite simular la presión interna del riñón provocada por litiasis renal Authors: Vela Ramos, Diana María, Inca Bolaños, Nicolás Esteban

“…The objective of this research is to identify the pressure changes generated from the renal obstruction caused by lithiasis; For this, it uses a series of 2D and 3D simulations that allow us to visualize the small changes generated by the Obstruction, as well as being able to generate a report with the results of the configuration incorporated in the computational tool. …”

Propuesta de mejora para el manejo de inventarios en Ferreaceros Duitama Authors: Pacheco Martínez, Jaime Antonio, Gil Cely, Yedy Alexander

“…The inventories in enterprise constitute an opportunity for improvement affecting operations, customer satisfaction and profitability, one of the ways to address the problem is the comprehensive ma nagement of inventories, the company Ferreaceros has three warehouses and its inventory system presents difficulties; The objective of this project is to identify the best inventory policy for the organization. Three phases are developed through a mixed, d vii escriptive, inductive diagnostic methodology, the data to be treated are mainly numerical and its analysis and projection foundations are mathematical, for this reason this document preserves the quantitative methodology, however it is considered mixed whe n establishing also parameters and characteristics of its operation, the descriptive foundation of this project is established in the documentation and analysis of the organization, its operation of Ferreacaeros SAS, its features in the operations when exe cuting processes in coordination of three wineries, it is considered inductive when establishing the concepts general inventory and establish the parameters applicable to the organization. …”

Caracterización normativa y contable de las parroquias de la diócesis de Duitama – Sogamoso Authors: Chaparro Rivera, Edwin Arturo

“…In this research, it analyzes the historical recognition, the sources of money for the legal entities of ESALs, bearing in mind that they are non-profit entities, with civil recognition, responsibilities and privileges that are currently recognized, since the concordat with the Holy Headquarters and the Colombian State, arriving at not being clear about how the management of financial information is compared to the accounting standard of the parishes of the Duitama - Sogamoso diocese; it proposes to have an approach in characterizing the management of financial information according to the normative parameters (such norm) in the parishes of the Duitama – Sogamoso diocese; within the stages we have, the identification of the accounting policy related to the ecclesial part starting from history, conducting interviews with people immersed in the subject in order to know the internal policies of the accounting economy of the Diocese; another stage in which the accounting regulations for income and its application in the current demands of the parishes is verified and the third is to evaluate the recognition and measurement of the income of the parishes of the Diocese of Duitama - Sogamoso, thus generating a primer that be in simple but technical language, carrying the current regulations for the parishes and that it be practical for their legal representatives; Through this work it can be concluded that the lack of knowledge of the parish accounting issue in our training will be of great help to our profession of accountants, as well as for the updating of accounting requirements for each of the parishes, of great public interest clarifying for the faithful the financial information and what is the true destination of the income of the parishes.…”

Análisis del desempeño logístico de acuerdo a los indicadores del Logistics Performance Index (LPI) para Colombia entre los años 2014 - 2018 Authors: Ospina Aldana, Deyci Milena, Caicedo Gil, Nathalia

“…Logistics, which for a long time was relegated to be considered as simple operational activities of transport and storage, is now taking on great relevance, and has been analyzed by the imperative need in the evolution of commercial administration, it has been structured by academics in such a way that it is now recognized as one of the main axes of industry and commerce. …”

Estudio de prefactibilidad para la prestación del servicio de mantenimiento especializado a componentes de maquinaria pesada en Soledad (Atlántico) Authors: Tabares Mejía, Alexander Linett

“…The present work is carried out showing a proposal for the design of the inventory management system for the company Distribuidora Sensación of the city of Santa Marta - Magdalena, being that she does not know the current methods and tools associated with it, to this are added the problems where the requirements given by the managerial guideline must be met. …”

Uso de probióticos como nuevo enfoque terapéutico y complementario en el tratamiento de periodontitis, revisión sistemática de la literatura Authors: Yánez Jáuregui, María Fernanda, Alvear Jaimes, Edward Gustavo

“…Probiotics are described as live microorganisms that, administered in adequate amounts, produce a benefit to the host. They combat pathogenic bacteria through mechanisms of action, such as competitive exclusion, bacterial adhesion, immunomodulation, among others; creating a suitable biofilm and preventing the aggregation of pathogenic microorganisms.…”

Diseño de un plan de Importación de volquetas eléctricas Lk2000 para la industria minera del municipio de Almaguer Cauca desde la República Popular de China. Authors: Hurtado Rodríguez, Jeily Fernanda

“…By means of the investigation, an import process is carried out to verify the viability of the same, demonstrating the ease at the time of commercializing this type of products to the Colombian market, by means of an import plan the whole step by step of the process was evaluated, which is very favorable for the merchants since its requirements in the documentary part are not as complex as it is imagined, You must be registered with the Communications Regulation Commission (CRC) and the National Tax and Customs Directorate (DIAN) to be recognized as an importer before the Colombian authorities, and also to be able to access the Customs quotations.…”

Diseño del Sistema de Gestión de Inventarios para la Empresa Distribuidora Sensación de la Ciudad de Santa Marta - Magdalena Authors: Bossa Buelvas, Yesir José, Roys Alvear, Diego Andres

“…The present work is carried out showing a proposal for the design of the inventory management system for the company Distribuidora Sensación of the city of Santa Marta - Magdalena, being that she does not know the current methods and tools associated with it, to this are added the problems where the requirements given by the managerial guideline must be met. …”

Cambios en la estructura y funcionalidad familiar de migrantes venezolanos establecidos en la ciudad de Santa Marta – Colombia, en el primer trimestre del 2022 Authors: Zabala Paugam, Dayana Marcela, Teran Rodríguez, Stephania Carolina

Implementación de un sistema solar de bombeo para el tanque elevado del colegio Marco Fidel Suárez Sede 4, Coello-Tolima. Authors: Castro Olivero, Miguel Ángel, Gutiérrez Suárez, Jaime

“…To achieve the proposed objective, it begins with the determination of the physical conditions of the site, such as planimetric survey of the underground and elevated tanks (estimating a net suction height of 18 m through the energy equation), volume of water (4.86 m3 ), geographical location (4.25° north latitude and 74.98° west longitude),…”

Nivel de estrés en el marco de la pandemia Covid-19 de los trabajadores administrativos de la Universidad Antonio Nariño, Sede Ibagué Authors: Leyva Parra, Ingrid Liliana, Ramírez Romer, Erika Margit

Un Paisaje De Esperanza Y Progreso Configuración Urbana Mediante La Interacción De Los Componente Urbano Y Natural Del Municipio De Cisneros Antioquia Authors: Duque Monsalve, Cristian Leandro

“…In the case of the municipality of Cisneros, thanks to the construction of the double carriageway of the road project (VINUS), the environmental problem and the landscape deterioration experienced in the sectors that border the Nus River and the road project became more noticeable,…”

Diseño, caracterización y construcción de una celda de electrólisis alcalina para incrementar la eficiencia de producción de hidrógeno a partir de energía solar Authors: Riccioli Mendoza, Mauricio José, Echenique Espinosa, Ronald David

“…To improve the results, we reduced the distance between the cell electrodes from 3 mm to 1 mm, and we used better materials for its construction. …”

Relación de las Variaciones Térmicas del Material Deck Madera Plástica y Temperatura Ambiente de los Parques Intercambiador Mesón de los Búcaros y Metropolitano Bosque Encantado de... Authors: Rojas Gómez, Yenifer

“…The objective of this study is to identify relationships between the thermal variations of the plastic wood Deck material exposed under ambient temperature, establish causes and test hypotheses.…”

Propuesta de documentación de un sistema de gestión de calidad basado en la Norma ISO 9001:2015 para la empresa CONSTRUNAL DE AGUAS S.A.S Authors: Alvarez Cuevas, Faber Antonio, Ramírez Ramos, Leidy Solanyi

“…As time has passed in all companies and industries has seen a very important factor which has been determined as quality this factor has been preliminary for each of them, in which a very good benefit has been seen when implementing a management system…”