Results 21 to 30 of about 274,264 (164)
The Canadian Journal of Chemical Engineering, EarlyView.Abstract The synthesis and characterization of an amphiphilic nitroxide to be used as a controlling agent in a nitroxide‐mediated living radical polymerization in aqueous dispersion media is presented. In the first stage of nitroxide synthesis (phthalimide protection), two reaction methods were employed: traditional and microwave.
Enrique García‐Leal +3 more
wiley +1 more source
Da Vinci's mischief: xylem conduits in the stems of woody plants do not furcate
New Phytologist, EarlyView.Summary The hydraulic architecture of plants is often modeled as a ‘furcating’ network, in which xylem conduits proliferate in number toward the stem apex, analogous to animal circulatory systems. Yet whether furcation actually occurs within woody stems remains untested, despite major implications for carbon costs and hydraulic efficiency.
Gilberto Alemán‐Sancheschúlz +4 more
wiley +1 more source
El control de las enfermedades no transmisibles en la sostenibilidad de la salud
Revista Cubana de Medicina Militar, 2023 Introducción: Las enfermedades no transmisibles, uno de los mayores desafíos para el desarrollo del siglo XXI en el mundo, son consideradas la principal amenaza para la salud humana y un problema de desarrollo y derechos humanos. En Cuba, ocupan 9 de las
Yuliet Pupo Iñíguez +1 more
doaj
Teniente Remedios Jover Cánovas (Estado Mayor 3 Division, XV Cuerpo del Ejército del Ebro)
Cuestiones de Género: de la Igualdad y la Diferencia, 2011 Tradicionalmente la historiografía ha dado por sentado que la participación de las mujeres en el Ejército Popular fue momentánea, ya que el Gobierno de la República las excluyó del mismo a finales de 1936.
Esther Gutiérrez Escoda
doaj +1 more source
La instrucció militar republicana durante la Guerra Civil espanyola (1937-1939): El cas català [PDF]
, 2008 A lo largo de la Guerra Civil española las tropas republicanas se vieron obligadas a pasar de un sistema de milicias a un ejército profesional con el que enfrentarse al del general Franco.
Closa Salinas, Francesc
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Weaponizing Kinship: A Demographic Analysis of Bereavement in the Colombian Conflict
Population and Development Review, EarlyView.Abstract The ongoing Colombian armed conflict has produced widespread homicides and enforced disappearances, as armed actors used violence to terrorize communities and consolidate power. Family bereavement—one of the most pervasive and enduring consequences of this violence—remains critically understudied from a quantitative perspective.
Enrique Acosta +3 more
wiley +1 more source
Los planos urbanos del Cuerpo de Estado Mayor del Ejército (1865-1900) [PDF]
, 2018 Estudiamos los trabajos de planimetría urbana realizados en España por los cartógrafos del Cuerpo de Estado Mayor del Ejército durante el último tercio del siglo XIX.
Magallanes, Luis +1 more
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“The Future Is Ancestral”: The Environmental Cuir Utopias of Gabriela Cabezón Cámara
Future Humanities, Volume 4, Issue 1, May 2026.ABSTRACT Argentinian author Gabriela Cabezón Cámara identifies as a “socio‐environmentalist and writer” and has been actively involved in the feminist movement #NiUnaMenos since 2015, alongside her growing engagement with environmental activism. She advocates for Indigenous land rights, water accessibility, and challenges offshore petroleum extraction ...
Victoria Jara
wiley +1 more source
Guerra, venalidad y asientos de soldados en el siglo XVIII
Studia Historica: Historia Moderna, 2014 Durante el siglo XVIII cada vez que la monarquía hispánica necesitó nuevos cuerpos de ejército para la guerra recurrió al sistema de levas privadas, porque era el que proporcionaba al rey soldados con mayor eficacia, en el menor tiempo posible y a más ...
Francisco ANDÚJAR CASTILLO
doaj +1 more source
Churchill and Spain: More Sancho than Quixote?
History, Volume 111, Issue 395, Page 217-236, March 2026.Abstract This article offers a detailed analysis of Winston Churchill's relationship with Spain over the course of his long and eventful political and personal life. The article focuses on three key episodes: Churchill's ambivalent stance during the Spanish Civil War; his leadership and policy towards Spain during the crucial years of the Second World ...
EMILIO SÁENZ‐FRANCÉS
wiley +1 more source