Results 11 to 20 of about 1,225,688 (255)

Organic geochemical evidence of human-controlled fires at Acheulean site of Valdocarros II (Spain, 245 kya)

Scientific Reports, 2023
Among the outstanding questions about the emergence of human-controlled fire is the systematic recurrence between the geochemical remains of fire and its preservation in the archaeological record, as the use of fire is considered a technological landmark,
Lavinia M. Stancampiano, Susana Rubio-Jara, Joaquín Panera, David Uribelarrea, Alfredo Pérez-González, Clayton R. Magill   +5 more
doaj   +1 more source

Distributed Charging Prioritization Methodology Based on Evolutionary Computation and Virtual Power Plants to Integrate Electric Vehicle Fleets on Smart Grids

Energies, 2019
Electric vehicle fleets and smart grids are two growing technologies. These technologies have provided new possibilities to reduce pollution and increase energy efficiency. In this sense, electric vehicles are used as mobile loads in the power grid.
J.I. Guerrero, Enrique Personal, Antonio García, Antonio Parejo, Francisco Pérez, Carlos León   +5 more
doaj   +1 more source

ADAPTS: An Intelligent Sustainable Conceptual Framework for Engineering Projects

Sensors, 2020
This paper presents a conceptual framework for the optimization of environmental sustainability in engineering projects, both for products and industrial facilities or processes.
Amalia Luque, Ana De Las Heras, María Jesús Ávila-Gutiérrez, Francisco Zamora-Polo   +3 more
doaj   +1 more source

Approach to the Dynamic of Carbamazepine and its Main Metabolites in Soil Contamination through the Reuse of Wastewater and Sewage Sludge

Molecules, 2020
The release of pharmaceutically active compounds to the soils through the application of sewage sludge and the irrigation with wastewater, or even with surface water, is constant.
José Luis Malvar, Juan Luis Santos, Julia Martín, Irene Aparicio, Esteban Alonso   +4 more
doaj   +1 more source

Reaction Layer Analysis of In Situ Reinforced Titanium Composites: Influence of the Starting Material Composition on the Mechanical Properties

Metals, 2020
This study aims at the analysis of the reaction layer between titanium matrices and reinforcements: B4C particles and/or intermetallic TixAly. Likewise, the importance of these reactions was observed; this was particularly noteworthy as regard coherence ...
Isabel Montealegre-Meléndez, Cristina Arévalo, Ana M. Beltrán, Michael Kitzmantel, Erich Neubauer, Eva María Pérez Soriano   +5 more
doaj   +1 more source

Acuerdos comerciales, migratorios, de seguridad y de empleo centro-periferia. Un análisis de ecología-mundo

Relaciones Internacionales, 2021
El artículo busca tres objetivos: 1) contribuir al debate en curso en el marco de la propuesta de la ecología-mundo, centrándose en el caso de los acuerdos suscritos entre los estados del centro global, de la semiperiferia y los estados de la periferia ...
Zakaria Sajir
doaj   +1 more source

Reconstructing the Timing and Dispersion Routes of HIV-1 Subtype B Epidemics in The Caribbean and Central America: A Phylogenetic Story. [PDF]

, 2013
The Caribbean and Central America are among the regions with highest HIV-1B prevalence worldwide. Despite of this high virus burden, little is known about the timing and the migration patterns of HIV-1B in these regions.
Holguín, África, Pagán Muñoz, Jesús Israel   +1 more
core   +3 more sources

EDUCAÇAO E NOVOS SABERES: A NECESSIDADE DE UMA NOVA VISÃO SOBRE A ÁFRICA E OS AFRICANOS

Pensar Acadêmico, 2019
Nos últimos anos, toda a comunidade acadêmica e a sociedade brasileira tem se deparado com a exigência estabelecida pelo Governo Federal, através da Lei 10.63912003, de se trabalhar com o ensino da cultura afro-brasileira e africana em diferentes níveis educacionais.
Amanda Dutra Hot, Germano Moreira Campos
openaire   +2 more sources

A história da África e cultura afro-brasileira em situação escolar

Revista de Educação Popular, 2017
O presente texto teve como objetivo apresentar e analisar a Lei nº 10.639/03, que instituiu a obrigatoriedade do estudo da história e cultura da África e afro-brasileira, além de resgatar a contribuição das matrizes africanas no Brasil para a formação da identidade nacional, bem como refletir sobre as possibilidades de o ensino da temática auxiliar na
Fernandes da Silva Júnior, Astrogildo, Aragão Martins da Silva, Davi   +1 more
openaire   +3 more sources

A “resistência anormal” da África frente ao vírus da covid-19: esboço de uma análise de uma colonialidade do poder sobre a vida na África

Revista X, 2021
Este artigo tem por objetivo analisar um discurso velado de cunho colonialista que estaria por trás da surpresa do poder e das mídias europeias ao perceber a não-concretização da catástrofe sanitária que haviam imaginado para a África em relação à ...
Paul Mvengou Cruzmerino, Claudia Helena Daher, Nathalie Anne Marie Dessartre   +2 more
doaj   +1 more source