Results 91 to 100 of about 1,420,060 (248)
«Resistir la imposición»: Revolución, ciudadanía y República en la Argentina de 1880
La revolución que tuvo lugar en 1880 en Buenos Aires fue un acontecimiento decisivo en la historia de la Argentina. Este trabajo aborda una dimensión de ese conflicto, la que se refiere a la disputa por el sentido que los contemporáneos dieron al término
Hilda Sábato
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Defect Passivation via Plasma Modification of Lead Halide Perovskite Thin Films
We demonstrate that exposure of perovskite thin films to diffuse coplanar surface barrier discharge nitrogen plasma leads to an increase in photoluminescence, attributed to reduced defect densities. This results in implied open‐circuit voltage improvement of up to 80 mV and finalized solar cell open‐circuit gains up to 60 mV.
Ales Vlk +12 more
wiley +1 more source
Monarquismo y republicanismo : las primeras regencias de España y México
El estudio analiza la construcción de los primeros poderes ejecutivos colegiados o regencias en España y México (1809- 1823). La perspectiva comparada, le permite al autor enfatizar las convergencias y divergencias de ambos tipos de regencias ...
Israel Arroyo
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Cationic‐Hydrophilic Di‐Block Copolymers: Surface‐Shielded Vectors for Gene Delivery
This study develops synthetic polycationic di‐block carriers for nucleic acid (NA) delivery in gene therapy. Consisting of a cationic block and a hydrophilic block, these carriers efficiently form complexes with NAs and shield them with a protective bioinert layer, enhancing stability during circulation in the bloodstream while reducing undesirable ...
Eliška Hrdá +4 more
wiley +1 more source
A OBRA "ORDEM E PROGRESSO" E A MUDANÇA SOCIAL NO BRASIL
As transições do trabalho escravo para o livre e da Monarquia para a República são exaustivamente analisadas por Gilberto Freyre na obra Ordem e progresso. No âmbito deste artigo, no entanto, dar-se-á ênfase, especialmente, àquela segunda.
Maria José Rezende
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INSTRUÇÃO NORMATIVA SECOM - PR N o 8 [PDF]
INSTRUÇÃO NORMATIVA SECOM - PR No8 DE 19 DE DEZEMBRO DE 2014 da Presidência da ...
Presidência da República
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Ornithodoros quilinensis sp. nov. (Acari, Argasidae), a new tick species from the Chacoan region in Argentina [PDF]
Ornithodoros quilinensis sp. nov. (Acari: Argasidae) is described from larvae collected on the small rodents Graomys centralis (Cricetidae: Sigmodontinae) in Argentina.
Casás, Gustavo +5 more
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Temperate fens with only incipient, subtle signs of deterioration can be reliably identified using Sentinel‐2 and aerial imagery, which sensitively detect early productivity‐related structural changes. Abstract Small temperate fens rank among the most endangered habitats in temperate Europe.
Lubomír Tichý +9 more
wiley +1 more source
Social, Technological, Economic, and Policy Factors in the Circular Economy Transition in Brazil
ABSTRACT A well‐functioning circular economy (CE) integrates resilience across economic, environmental, and social dimensions. This study identifies key drivers and barriers to Brazil's CE transition through 20 semi‐structured interviews with stakeholders. Major sociocultural barriers include inadequate education and limited CE awareness, while growing
Alejandro Gallego‐Schmid +9 more
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Editorial: Dossiê República Brasileira e Autoritarismo (Parte II)
No decurso do biênio 2018-2019 experimentamos uma onda de conservadorismo em contexto nacional e internacional, que motiva o revisionismo e por vezes o negacionismo de temáticas e fatos históricos vividos. Diante disto, foi
Nedy Bianca Medeiros de Albuquerque
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