Results 61 to 70 of about 500,247 (275)

Un nuevo grupo de manos paleolíticas pintadas en el sur de la Península Ibérica. La cueva de Las Estrellas (Castellar de la Frontera, Cádiz)

open access: yesZephyrvs, 2019
This work presents a review of the rock art conserved at a site located in the autonomous community of Andalusia, known in the preceding literature as the Las Estrellas cave (Castellar de la Frontera, Cadiz).
H. C. Giraldo   +13 more
semanticscholar   +1 more source

Chemical Composition, Amino Acids, Phenolic Profiles and Bioavailability of Minerals in Livingstone Potato (Plectranthus esculentus) as Affected by Different Processing Techniques

open access: yesFood Chemistry International, EarlyView.
Boiling retained the nutrients and polyphenol compounds in Plectranthus esculentus tubers better than frying or roasting. A bioavailability study showed that the phytates and oxalates in the tuber may not affect the bioavailabilities of calcium, zinc, or iron in Plectranthus esculentus tubers when eaten.
Mercy Amarachi Iroaganachi   +4 more
wiley   +1 more source

La frontera de distribución en Colombia [PDF]

open access: yesRevista de Economía Institucional, 2011
En este artículo se calcula la frontera de distribución en Colombia con datos de las matrices de oferta y utilización de productos de 2005 a precios corrientes usando un modelo de capital circulante basado en Sraffa, Pasinetti y Muñoz y Riaño.
Mario García M, Carlos A. Garzón R
doaj   +1 more source

Seguridad y política fronteriza: una mirada a la situación de la frontera entre Venezuela y Colombia

open access: yesOPERA, 2019
Las fronteras del Estado-nación, según el objeto de su regulación, pueden ser de barrera o contacto. La noción de seguridad emerge en defensa del territorio y la soberanía sobre amenazas externas e internas, a fin de asegurar la convivencia y la paz de ...
Rosalba Linares
semanticscholar   +1 more source

“I need to take care of myself as well”—self‐care strategies of abortion acompañantes in Northern Mexico

open access: yesFeminist Anthropology, EarlyView.
Abstract This ethnographic study explores the emotional labor and self‐care strategies of feminist abortion acompañantes in Northern Mexico. Operating within restrictive legal environments, acompañantes provide crucial support for self‐managed medication abortions (SMAs), engaging in significant, often invisible, emotional labor.
Bruna Alvarez, Suzanne Veldhuis
wiley   +1 more source

Joy and Unrest: Transborder College Students' Sense of Belonging at the US–México Borderlands

open access: yesNew Directions for Higher Education, EarlyView.
ABSTRACT In this study, we present the Transborder College Student Sense of Belonging Model, developed to understand how to create an inclusive and validating campus climate for Transborder students in postsecondary and higher education institutions along the US–México borderlands.
Vannessa Falcón Orta   +3 more
wiley   +1 more source

Hydrogen Bond versus Halogen Bond in HXOn (X = F, Cl, Br, and I) Complexes with Lewis Bases

open access: yesInorganics, 2019
We have theoretically studied the formation of hydrogen-bonded (HB) and halogen-bonded (XB) complexes of halogen oxoacids (HXOn) with Lewis bases (NH3 and Cl−) at the CCSD(T)/CBS//RIMP2/aug-cc-pVTZ level of theory.
David Quiñonero, Antonio Frontera
doaj   +1 more source

Prevalence, Onset, Evolution, and Prediction of Spasticity Poststroke

open access: yesRevista Ciencias de la Salud, 2023
Introduction: Because of the the complex physiopathology of spasticity, it is distinguished as one of the most significant positive clinical signs of upper motor neuron syndrome, constituting a clinical feature that has great impact in the ...
Paulina Sepulveda   +4 more
doaj   +1 more source

Los pactos sociales y el contrabando en la frontera colombo-venezolana

open access: yesConvergencia, 2019
Los pactos sociales y el contrabando en la frontera Norte de Santander (Colombia)-Táchira (Venezuela) son promovidos por diversos actores. Esta dinámica responde a un problema alentado por la diferencia entre los modelos económicos de ambos países, que ...
Neida Albornoz-Arias   +3 more
semanticscholar   +1 more source

Trade Unions and Sustainability: An Integrative Review

open access: yesSustainable Development, EarlyView.
ABSTRACT Despite the growing presence of trade unions (TUs) in sustainability discussions, academic research on their role is still scattered. This article presents an integrative review of 110 peer‐reviewed English‐language academic articles on this topic, indexed in Scopus and Web of Science and published between 1997 and early 2025.
Branko Bembič   +2 more
wiley   +1 more source

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