Results 21 to 30 of about 2,806,878 (338)

El impacto del análisis del conflicto en los resultados de la operación Barkhane en Mali

open access: yesAnálisis Jurídico - Político, 2022
El aumento de los niveles de violencia en Mali, a pesar de las múltiples operaciones de paz y contraterrorismo, han mostrado la inefectividad de las acciones.
Viviane Ogou Corbi
doaj   +1 more source

Instantaneous Disturbance Index for Power Distribution Networks

open access: yesSensors, 2021
The stability of power systems is very sensitive to voltage or current variations caused by the discontinuous supply of renewable power feeders. Moreover, the impact of these anomalies varies depending on the sensitivity/resilience of customer and ...
María Dolores Borrás-Talavera   +2 more
doaj   +1 more source

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

open access: yesScientific 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   +5 more
doaj   +1 more source

Fotografia no Mali (desde 1930)

open access: yesAfro-Ásia, 2022
Resenha de: KELLER, Candace. Imaging Culture: Photography in Mali, West Africa. Indiana: Indiana University Press, 2021. 453 p.
Daniela Moreau
doaj   +1 more source

A SEGURANÇA NACIONAL. UMA NOVA ABORDAGEM FACE AO TERRORISMO MARÍTIMO EM ÁFRICA [PDF]

open access: yesJanus.net, 2020
A conceptualização operacional da Segurança Nacional é frequentemente identificada como sendo difusa e cada vez mais abrangente, mormente por na atualidade esta se encontrar relacionada ao contexto geopolítico e aos atores em referência.
Damião Fernandes Capitão Ginga
doaj   +1 more source

El estudio de las relaciones internacionales en China antigua: el Sistema tributario en la dinastía Ming

open access: yesRevista de Lenguas Modernas, 2015
Los estudios sobre China, o Asia en general, ofrecen campos de investigación apropiados para la reformulación de teorías y paradigmas. Tal es el caso de la teoría del Sistema tributario, la cual ha explicado la historia de las relaciones internacionales ...
Eduardo Tzili Apango   +2 more
doaj   +1 more source

Projected Change in Temperature and Precipitation Over Africa from CMIP6

open access: yesEarth Systems and Environment, 2020
We analyze data of 27 global climate models from the sixth phase of the Coupled Model Intercomparison Project (CMIP6), and examine projected changes in temperature and precipitation over the African continent during the twenty-first century.
M. Almazroui   +7 more
semanticscholar   +1 more source

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

open access: yesRelaciones 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

Stroke in Africa: profile, progress, prospects and priorities

open access: yesNature Reviews Neurology, 2021
Stroke is a leading cause of disability, dementia and death worldwide. Approximately 70% of deaths from stroke and 87% of stroke-related disability occur in low-income and middle-income countries.
R. Akinyemi   +12 more
semanticscholar   +1 more source

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

open access: yesEnergies, 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   +5 more
doaj   +1 more source

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