Repositorio institucional de la Universidad Nacional de Misiones: Recent submissions
Now showing items 221-240 of 4686
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Wettability device for electronic solder alloys using the sessile drop method
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado., 2025-06-23)In 2003, the RoHS (Restriction of Certain Hazardous Substances) Directive emerged in the European Union to restrict hazardous substances in electronics, prompting the search for alternatives to lead-based solder due to ... -
Methodology proposal for isolating fungi from Manihot esculenta Crantz storage roots with rot symptoms
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)Cassava (Manihot esculenta Crantz) is a vital staple food for millions of people worldwide, primarily valued for its edible storage roots. However, these roots are vulnerable to Cassava Root Rot Disease (CRRD), often caused ... -
Aplicación de bioestimulante y fitorregulador para el estudio de su impacto en el vigor y rendimiento del cultivo de tomate (Solanum lycopersicum L.) y morrón (Capsicum annuum L.)
(Universidad Nacional de Misiones. Facultad de Ciencias Forestales. Ingeniería Agronómica, 2025-04-15)Dentro de la familia de las solanáceas el tomate, y, en segundo lugar, el morrón son las hortalizas de fruto más consumidas en el mundo, tanto para su consumo en fresco como para su procesamiento. Una alternativa de mejora ... -
Análisis comparativo de los biotipos ovinos Santa Inés y Dorper para la producción de carne en la provincia de Misiones, Argentina
(Universidad Nacional de Misiones. Facultad de Ciencias Forestales. Ingeniería Agronómica, 2025-05-15)La producción ovina en Misiones se caracteriza por contar con numerosos pequeños productores que representan el 0,16 % del total del país con 19,996 cabezas, distribuidas en 763 establecimientos productivos, con escaso ... -
Efecto de las condiciones meteorológicas en la fenología de seis cultivares de Mangifera indica L. en condiciones de años con precipitaciones normales y años con déficit hídrico
(Universidad Nacional de Misiones. Facultad de Ciencias Forestales. Ingeniería Agronómica, 2025-04-30)Debido a la variabilidad climática observada en la región entre los años 2020 y 2023, período en el que se registró el primer evento de “La Niña” de triple caída del siglo XXI, el presente estudio tiene como objetivo evaluar ... -
Improving the efficiency of photovoltaic generation by adapting to meteorological elements
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2025-06-23)The production of clean electricity, which does not harm environmental systems, has been one of the main global priorities in recent times. The range of ultraviolet radiation, sent through sunlight, which can be captured ... -
Metronidazole delivery : an analysis of enhancers agents and their toxicity
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)The objective of the present work was to evaluate the delivery of Metronidazole through cellulose acetate membranes, by means of the determination of parameters that quantify the delivery process. Propylene glycol (PG) and ... -
Breads with Ora-pro-nobis flour and Bacillus clausii : characterization and resistance to the gastrointestinal tract in vitro
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)In this study breads containing ora-pro-nobis flour and spores of probiotic Bacillus clausii were developed. Physicochemical and microbiological characteristics of the breads and in vitro resistance of the probiotic to the ... -
Characterization of activated carbon produced from industrial waste of yerba mate by chemical activation with ZnCl2
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)In this study, activated carbons (ACs) were prepared by chemical activation with ZnCl2 of yerba mate (YM) branches in a ratio of 1:1 mass of carbon vs. mass of activating agent, performing the pyrolysis at 550, 650, and ... -
Production and evaluation of physicochemical and sensory quality of a liqueur combining orange-fleshed sweet potato and lemon balm
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Liqueur is a spirit drink resulting from a mixture of ethyl alcohol of agricultural origin and/or brandy, drinking water, sugar and possibly other foodstuffs, with a sweet taste and flavored by maceration of vegetable ... -
Microencapsulated Hovenia dulcis : application in yogurt and evaluation of gastrointestinal digestion in vitro
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)This study aimed to determine if adding different forms of Hovenia dulcis (HD) to yogurt enhances bioactive compound concentrations and their effects on gastrointestinal digestion (in vitro). Freeze-dried (Y-HD) and ... -
Fluoride removal from water using process residues from the cement, aggregate, and ceramic industries
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)The escalating demand for drinking water, coupled with the contamination of surface water sources, has intensified interest in harnessing groundwater for water supply. Elevated fluoride levels in groundwater, surpassing ... -
Optimizing FPSO oil processing : an expert system with genetic algorithms for setpoint control
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Increasing the productivity of an offshore oil production unit is a challenge in environments such as the Brazilian pre-salt. Since controlling the oil treatment process is essential for the continuity of the platform and ... -
Successive concentrations of phenolic compounds of ‘Yerba Mate’ (Ilex paraguariensis) and their contribution to antioxidant capacity
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Four successive concentrations of yerba mate extract were made at 30, 50 and 70 °C, adding new yerba mate at the beginning of each concentration. The content of total phenolic compounds (TPC) was evaluated with the ... -
Neuro-FuzzyPID flow control logic for subsea oil wells for FPSO processing
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-12-10)Bearing in mind that emerging underwater oil wells around the world operate with fixed choke valve opening and manual activation, we saw the opportunity to automate this item in order to guarantee better productivity for ... -
Acid hydrolysis of tripalmitin and triolein : preliminary thermodynamic study
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)Hydrolysis reactions can be carried out using triglycerides with different carbon chain sizes, with acetic acid and ethanoic acid being the most common products, in addition to glycerol which would be the common product ... -
A virtual reality web environment create to visualize Archimedean Polyhedra and their Catalan duals
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)This paper shows the use of web resources to create environments for visualizing Archimedean polyhedra and the respective Catalan duals. These environments were created using Virtual Reality (VR) resources, which allow the ... -
Women in leadership positions. School of Natural, Chemical and Exact Sciences – National University of Misiones (UNaM)
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)We aimed to learn the distribution according to gender, age, teaching seniority and scholarship degrees of teachers who fulfilled leadership positions in the Faculty of Natural, Chemical and Exact Sciences, since its ... -
Kombucha and its dehydrated and freeze-dried derivatives : physicochemical and microbiological characterization and in vivo toxicity evaluation
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)Kombucha is a biofilm composed of a symbiotic culture of bacteria and yeast, known as SCOBY (Symbiotic Culture of Bacteria and Yeast). The SCOBY undergoes deterioration processes and loss of nutritional, bioactive and ... -
Harnessing low-power IoT sensor potential : the synergy of LoRaWAN, energy harvesting and supercapacitors
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)This article delves into the potential of low-power IoT sensors by harnessing the synergy of three essential technologies: LoRaWAN, energy harvesting techniques, and supercapacitors. It emphasizes the pivotal role these ...
