EVOLUTION OF THE LEACHATE QUALITY OF DOMICILIARY SOLID WASTES ORGANIC FRACTION PRODUCED IN ANAEROBIC CONDITIONS by Pettri Flores, M. D., Reta, M. R., Acuña, M. G., Barboza, O. M., Russo, H. R.

“…The selection of the parameter will be subject to the availability of equipment and materials, the degree of reliability and reproductibility of the adopted method and the cost involved.…”
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Digital marketing management in tourist organizations by Fernández Cueria, Noel, Pérez Ricardo, Elizabeth del Carmen, Medina Labrada, Justa Ramona, Coronado Provance, Katia Zucel, Feria Velázquez, Francisco Fidel

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El panorama de las estrategias nanotecnológicas contra el COVID-19 : productos y diagnósticos, vacunas y tratamientos by Arruda Pacheco, Thyago José, de Matos da Silva, Franciéle, Galdino de Souza, Danielle, Mello da Silva, Victor Carlos, Santos Faria, Raquel

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Eucaliptus Dunni : estudio de las propiedades físicas y mecánicas de la madera de árboles jóvenes reforestados en la provincia de Misiones by González, Raúl Alberto, Suirezs, Teresa María, Pereyra, Obdulio

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Corrosion Rates Evaluation of Stainless Steels in Soy Biodiesel Using Different Techniques by Román, Alejandra S., Méndez, Claudia M., Ares, Alicia E.

“…This indicates that the materials studied are suitable for use in contact with biodiesel obtained from soy oil. …”
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Encapsulation of antioxidants from Yerba Mate concentrate: Influence of drying conditions by Hermosilla Vera, José O., Schmalko, Miguel E.

“…The sorption isotherms obtained were of the sigmoidal type and the GAB equation was the one that best explained the behavior of the experimental data, and no significant statistical differences were found in the three materials. The contents of total polyphenols (CPT) and antioxidant capacity (CAO) presented values between 20.12 and 19.68 g EAG / 100g DM (dry mass) for CPT, and for the CAO between 20.47 and 19.45 g EAA / 100g DM, no significant statistical differences were found. …”
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Mechanism of payments for hydrological ecosystem services in the Watershed of the Piray Miní stream by Martínez Duarte, Juan A.

“…The objective of this work is to analyze the situation of environmental and socioeconomic factors, related to the watershed of the Piray Miní stream, and to propose a scheme of payments for hydrological ecosystem services for the conservation and restoration of ecosystems. Regarding the materials and methodologies, background analyzes and interviews were carried out; and their own reflections on the subject. …”
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Digital marketing management in tourist organizations by Fernández Cueria, Noel, Pérez Ricardo, Elizabeth del Carmen, Medina Labrada, Justa Ramona, Coronado Provance, Katia Zucel, Feria Velázquez, Francisco Fidel

“…In addition, the causes that cause deviations in the positioning and website were analyzed, for which alternatives materialized in an action plan were proposed.…”
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A virtual reality web environment create tovisualize Archimedean Polyhedra and their Catalan duals by Siqueira, Paulo Henrique

“…This article shows the possibility of creating teaching materials with a simple, free technology that makes a great contribution to improving the teaching of Geometry, as well as other areas that use graphic representations of 3D objects.…”
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