Repositorio institucional de la Universidad Nacional de Misiones: Recent submissions
Now showing items 301-320 of 4757
-
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 ... -
Multifunctional home office desk design for small residential environments
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado., 2024-07-10)With the great immigration to the urban area, resulting from the Industrial Revolution in the 17th century, the living spaces have been decreasing more and more over the years. Other factors contribute to such data, such ... -
Effect of Jerusalem artichoke syrup (Helianthus tuberosus L.) on the properties of fermented vegetable beverages
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)This study aimed to evaluate the effect of prebiotics (Jerusalem artichoke syrup and commercial inulin) on the characteristics of Prunus dulcis var “Non Pareil” almond beverages, inoculated with probiotics (Streptococcus ... -
Estimation of energy to be supplied from an external source to heat or to compress alcohols (C3-C12) in gas phase
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)In-process energy expenditure is cutting-edge research in the general field of energy application. In this paper, the amount of energy for heating or compressing a system in gas phase was estimated by using the thermodynamic ... -
Comparative analysis of five rice campaigns in experimental lines of work of the INTA Corrientes Experimental Station. Proposal for identification by “blind” attributes
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)Rice (Oryza sativa L.) is an herbaceous plant, cultivated in a wide variety of regions and climates. In our country, its production is concentrated on the littoral. As white rice, it is a primary source of food for most ... -
A bibliometric analysis of plastic-wood composite production from wood waste and thermoplastic
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2024-07-10)Composite plastic-wood is a material that combines distinct substances, such as polymers and wood powder, maintaining their identities even after processing. These composites are widely used in applications such as furniture, ... -
Proceso, complejidad y calidad : comparación entre objetos similares producidos por diferentes tecnologías de prototipado rápido
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2018-08-23)Las tecnologías de Prototipado Rápido, además de producir piezas con geometrías complejas y con alta precisión dimensional, pueden optimizar el proceso de desarrollo de un producto por proporcionar pruebas y mejorar la ... -
Análisis de la calidad de huevos disponibles en el mercado y almacenados a diferentes temperaturas
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2018-08-23)El objetivo de este estudio fue analizar la calidad de huevos comerciales (color blanco o marrón) por medio de las tasas de producción (masa de huevos - MO, albúmina - MA, yema - MG y cáscara - MC y la relación albúmina/yema), ... -
Evaluación de la velocidad de corrosión de aceros inoxidables en biodiesel de soja utilizando diferentes técnicas
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas Químicas Naturales. Secretaría de Investigación y Posgrado, 2018-08-23)En el presente trabajo se estudió el comportamiento frente a la corrosión de cuatro aceros inoxidables, en biodiesel de soja a temperatura ambiente. Los aceros inoxidables utilizados fueron: AISI 304L, AISI 316, Sea Cure-1 ...
