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Didactic perspectives on the interpretation of historical sources in schools
(International Journal of Early Childhood Special Education, 2021)
Acceso cerrado
The purpose of this article is to offer a clear and concise overview of the didactic perspectives on the interpretation of historical sources that have been developed in recent years. To this end, we have considered it ...
Closed flow solar dehydration with the use of silver nanoparticles: application for the production of Pouteria lucuma flour
(Taylor and Francis Ltd., 2021-11-11)
Acceso cerrado
In this research, a closed-flow solar dehydrator with a refrigeration moisture extraction system was evaluated, likewise, the dehydration temperature time was optimized by evaluating three types of heat transfer fluids. ...
Valorization of agro-industrial waste in a circular economy environment: grape pomace as a source of bioactive compounds for its application in nanotechnology [Valorización de residuos agroindustriales en un entorno de economía circular: Orujo de uva como fuente de compuestos bioactivos para su aplicación en nanotecnología]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
La industria del vino, es una de las actividades
agrícolas más importantes en el mundo. Sin embargo, las actividades
propias del proceso de transformación (pisco, vino) genera grandes
cantidades de subproductos y residuos, ...
Ecological synthesis of FeO nanoparticles and their application in the removal of heavy metals present in agricultural ground [Síntesis ecológica de nanopartículas de FeO y su aplicación en la remoción de metales pesados presentes en suelo agrícola]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
Se ha sintetizado nanopartículas de óxido de hierro
(NP FeO) usando el método de química verde, un método sostenible
debido a que implica el uso mínimo de reactivos químicos altamente
contaminantes, reduciéndose solo ...
Biodegradable potato starch films reinforced with aqueous extract of mango skin for use as active packaging [Películas biodegradables de almidón de papa reforzadas con extracto acuoso de piel de mango para su uso como envase activo]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
En este trabajo se presenta el estudio del efecto de la
incorporación de extracto acuoso de piel de mango (EPM) sobre las
propiedades de películas biodegradables fabricadas a partir de
almidón de papa y comprobar su ...
Influence of the volume of ascorbic acid in the synthesis of copper nanoparticles mediated by chemical pathway and its stability over time
(IOP Publishing Ltd, 2021-12-03)
Acceso abierto
In the present investigation, the effect of ascorbic acid volume in the synthesis of
copper nanoparticles (Cu NPs) mediated by chemical route and their stability over time was
evaluated. For the synthesis, copper sulfate ...
Relevant factors that intervene in world happiness, analysis of countries with high happiness and low GDP
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
The objective of this article is to achieve a statistical analysis of the data from the World Happiness Report and its relationship with the economic income of the countries, as well as to identify that variables other ...
Reuse of organic waste from Eucalyptus globulus extract with high reducing potential in the green synthesis of silver nanoparticles
(IOP Publishing Ltd, 2021-12-03)
Acceso abierto
The research provides a new and sustainable methodology for the synthesis of silver
nanoparticles, using Eucalyptus globulus extract, this due to the fact that it presents metabolites
capable of acting as a reducing ...
Generation of electrical energy by means of a photobioreactor with microalgae "Chlorella sp." [Generación de energía eléctrica mediante un fotobiorreactor con microalgas “Chlorella sp.”]
(Latin American and Caribbean Consortium of Engineering Institutions, 2021-09-08)
Acceso abierto
La contaminación ambiental y la falta energía
eléctrica han conllevado al uso de fotobiorreactores para producción
de electricidad amigable con el medio ambiente. Se ha utilizado el
diseño de un fotobiorreactor para la ...
Eating habits and sleep quality in university students in times of COVID-19, Lima-Peru
(Fundacion Alimentacion Saludable, 2021-11-28)
Acceso abierto
Introducción: Los hábitos alimentarios y la calidad desueño en los universitarios son muy cambiantes por diversosfactores, entre ellos el confinamiento producto del COVID-19,afectando directamente a la salud.
Objetivo: ...