Results 21 to 30 of about 543,231 (215)

Historia sonriente del bicentenario de la independencia nacional

open access: yesTradición, segunda época, 2021
En este artículo se analizan los argumentos de cinco tradiciones de Ricardo Palma que se adscriben a una visión sonriente de la historia del Perú en el marco de los sucesos vinculados con el proceso de independencia. Se ofrece una distinción entre la noción de historia y anécdota a fin de fundamentar nuestro acercamiento a la
openaire   +2 more sources

O “Culto da Saudade” nas Comemorações do Centenário da Independência do Brasil

open access: yesEm Tempo de Histórias, 2011
O presente estudo procura analisar a criação do Museu Histórico Nacional (MHN), como parte das comemorações do Centenário da Independência do Brasil que aconteceram na Capital Federal, Rio de Janeiro, em 1922. O Centenário da Independência ocorreu em um
Júlia Furia Costa
doaj   +1 more source

Recensiones y notas bibliográficas [PDF]

open access: yes, 2016
- CRUZ BARNEY, Óscar. El Consulado de Comercio de Puebla, régimen jurídico, historia y documentos 1821-1824, por Micaela Skoknic. - BANCALARI MOLINA, Alejandro.
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core   +2 more sources

Narrativa visual sobre “América” en las unidades temáticas sobre independencia nacional en textos escolares de educación media venezolanos y chilenos

open access: yesAreté, 2021
Se revisa la idea de América en la unidad temática sobre Independencia Nacional en los textos escolares de Educación Media de Venezuela y Chile. Se parte de la premisa que la narrativa visual en estos textos expresa una forma de construcción discursiva ...
Ramón Alexander Uzcátegui Pacheco   +1 more
doaj  

Popular War: Gauchos and the Challenge to Elite Power in Northern Rio de la Plata in the Revolutionary Period [PDF]

open access: yes, 2015
A Guerra da Independência provocou a mobilização popular no norte da Argentina. Logo que a guerra foi travada nas províncias de Salta e Jujuy, a população rural se alistou em batalhões da milícia desde 1814.
Paz, Gustavo Luis
core   +1 more source

ESTUDIO PRELIMINAR DEL CONTENIDO DE ALUMINIO EN EL PROCESO DE EXTRACCIÓN DE LITIO

open access: yesAvances en Ciencias e Ingeniería, 2020
In the production of lithium carbonate, various analytes contained in the raw material are present. Among them, aluminum, which in concentrations higher than 10 ppm is considered a contaminant.
Diego A. González   +2 more
doaj  

Smartphone-Based Biosensor Devices for Healthcare: Technologies, Trends, and Adoption by End-Users

open access: yesBioengineering, 2022
Smart biosensors are becoming an important support for modern healthcare, even more so in the current context. Numerous smartphone-based biosensor developments were published in recent years, some highly effective and sensitive. However, when patents and
Rossana E. Madrid   +3 more
doaj   +1 more source

BIOSORBENT of brown algae (Lessonia nigrescen) for mercury ions (HG2+) removal from aqueous solution

open access: yesResults in Chemistry
Mercury contamination in water poses significant risks to both human health and ecosystems. This study developed a biosorbent using brown algae (Lessonia nigrescens) to remove Hg2+ ions from aqueous solutions.
William Edgar Heredia Peña   +6 more
doaj   +1 more source

Synthesis and Characterization of a Photocatalytic Material from TiO2 Nanoparticles Supported on Zeolite Obtained from Ignimbrite Residue Used in Decolorization of Methyl Orange

open access: yesApplied Sciences
In the present work, a TiO2/zeolite photocatalyst was synthesized by dispersing TiO2 nanoparticles obtained through the sol-gel method onto the surface of natural zeolite derived from ignimbrite residue. The zeolite was obtained from an ignimbrite rubble
Gianina Huayna   +6 more
doaj   +1 more source

Improved Production of Mashua (Tropaeolum tuberosum) Microtubers MAC-3 Morphotype in Liquid Medium Using Temporary Immersion System (TIS-RITA®)

open access: yesAgriculture, 2022
Essential molecules are embedded within the millenary crop Tropaeolum tuberosum (mashua); these compounds are critical for the Andean people’s traditional diet and extensively utilized by the pharmaceutical industry in Peru.
Gilmar Peña-Rojas   +4 more
doaj   +1 more source

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