Results 51 to 60 of about 936,426 (211)
Caravanas de hombres marchaban: The Worker Exodus in Entre ríos. 1925-1945
Folia Histórica del Nordeste, 2017 Workforce migration is one of the most dramatic and permanent facts of capitalism. From transatlantic contingents and less developed neighbouring regions, Argentina shaped a proletariat. However, migrations changed since the 20's.
Rodolfo Leyes
doaj
Revista Biológico Agropecuaria Tuxpan, 2023 Este artículo se realizó en el año 2023 en el municipio de Zacapoaxtla, Puebla, enfocado en el marco legal de la gestión ambiental de las micro y pequeñas empresas.
Guillermo Mejía Méndez +1 more
doaj +1 more source
VIEW, Volume 7, Issue 1, February 2026.(a) Schematic representation of the chemical cross‐linking of PVB/PCL‐TiO2‐RegIIIγ electrospun nanofibers. (b) Schematic illustration of the biomimetic dressing promoting healing in an exposed bone wound. The treatment of wounds with exposed bone has always been a difficult problem in the clinical treatment of orthopedics.
Chenhao Gong +6 more
wiley +1 more source
Mundo Agrario, 2014 El objetivo del trabajo es demostrar la existencia de conflictos obreros en Entre Ríos, a partir de las luchas salariales en los saladeros entre 1854 y 1868. Colateralmente, cuestionamos las fechas de génesis del movimiento obrero argentino.
Rodolfo Leyes
doaj
MolbankThe multicomponent synthesis of a novel and highly symmetric polyheterocycle based on the pyrrolo[3,4-b]pyridin-5-one core incorporating the privileged tetrahydroisoquinoline moiety is described.
Roberto E. Blanco-Carapia +2 more
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Leyes universales en ciencias [PDF]
, 2007 Proponernos una selección de las leyes generales que se han aprendido en ciencias; pero nos concentraremos en las leyes del ámbito de la física. Uno de los objetivos de esta presentación, es plantear el tema y someter a la comunidad la discusión de ...
Moreschi, Osvaldo M
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Conservation Biology, Volume 40, Issue 1, February 2026.Abstract Urgency to save species from extinction has prompted increased investment in law enforcement in protected areas. To date, such law enforcement has largely focused on increasing costs and reducing opportunities for offending. However, these resource‐intensive approaches are not always effective and can contribute to conflict between people and ...
Freya A. V. St. John +3 more
wiley +1 more source
The New SI and the Fundamental Constants of Nature [PDF]
, 2020 The launch in 2019 of the new international system of units is an opportunity to highlight the key role that the fundamental laws of physics and chemistry play in our lives and in all the processes of basic research, industry and commerce.
Martin-Delgado, Miguel A.
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The Variability and Determinants of Serotiny in Pinus Yunnanensis
Ecology and Evolution, Volume 16, Issue 1, January 2026.This study investigates the intraspecific variation in serotiny level among three varieties of Pinus yunnanensis. Using field data and structural equation modeling, we found that cone resin content is the key physiological driver of serotiny, indirectly shaped by climate and soil factors.
Ying Liu +7 more
wiley +1 more source
El proyecto de la unidad de la naturaleza en Carl Friedrich von Weizsäcker
Studium: Filosofía y Teología, 2016 La intención de este trabajo es presentar el proyecto filosófico trascendental de Carl Friedrich von Weizsäcker sobre la unidad de la naturaleza. Para ello, comenzaremos analizando cómo caracteriza esta unidad de la naturaleza desde la mecánica cuántica ...
César Fabián Ávila
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