Results 21 to 30 of about 201,986 (293)

Barbarie o justicia en la Patagonia occidental: las violencias coloniales en el ocaso del pueblo kawésqar, finales del siglo XIX e inicios del siglo XX

open access: yesHistoria Crítica, 2019
Objetivo/contexto: Este articulo analiza las formas particulares de violencia interetnica en el territorio marino, o maritorio, ocupado historicamente por el pueblo kawesqar.
A. Harambour, J. Ruiz
semanticscholar   +1 more source

THE ARCHAEOLOGY OF THE PUEBLO REVOLT AND THE FORMATION OF THE MODERN PUEBLO WORLD [PDF]

open access: yesKIVA, 2007
AbstractThe Pueblo Revolt and its aftermath (A.D. 1680–1696) was a crucial period in the history of the American Southwest. Previous studies of this era have focused primarily on the causes of the revolt, often casting it as an isolated and anomalous event.
Liebmann, Matthew, Preucel, Robert W.
openaire   +3 more sources

Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement

open access: yesGeophysical Monograph Series, Page 27-82., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm   +2 more
wiley  

+1 more source

Evaluation of thermo-chemical conversion temperatures of cannabinoid acids in hemp (Cannabis sativa L.) biomass by pressurized liquid extraction

open access: yesJournal of Cannabis Research, 2021
Background Cannabinoids are increasingly becoming compounds of medical interest. However, cannabis plants only produce carboxylated cannabinoids. In order to access the purported medical benefits of these compounds, the carboxylic acid moiety must be ...
Kenneth J. Olejar, Chad A. Kinney
doaj   +1 more source

Contrasting Roles of Cannabidiol as an Insecticide and Rescuing Agent for Ethanol–induced Death in the Tobacco Hornworm Manduca sexta

open access: yesScientific Reports, 2019
Cannabis sativa, also known as marijuana or hemp, produces a non-psychoactive compound cannabidiol (CBD). To investigate the defensive role of CBD, a feeding preference assay was performed with tobacco hornworm Manduca sexta.
Sang-Hyuck Park   +8 more
doaj   +1 more source

Identidad y Origen del Pueblo Gitano.

open access: yesInternational Journal of Roma Studies, 2019
El presente articulo, Identidad y Origen del Pueblo Gitano, es un trabajo de investigacion en el cual se ha tratado de dar respuesta a la pregunta ?Como es o que es ser gitano/a?
Aaron Giménez Cortés   +2 more
semanticscholar   +1 more source

Undergraduates Interested in STEM Research Are Better Students than Their Peers

open access: yesEducation Sciences, 2020
In Science, Technology, Engineering, and Mathematics (STEM), undergraduate research experiences provide students with invaluable opportunities to improve scientific skills.
Nate Bickford   +3 more
doaj   +1 more source

Effect of Loading Frequency and Temperature on the Fatigue Parameters of Asphalt Concrete [PDF]

open access: yesЖурнал інженерних наук, 2022
Investigating the behavior of asphalt concrete at low loading frequency is essential to understand the thermal fatigue damage due to cyclic day-night temperature cycles, where the loading frequency is usually very low.
Islam M. R., Wollega E.
doaj   +1 more source

Racial Democracy, Visibility, and the History of Colonial Brazilian Art

open access: yesArts, 2023
Since the nineteenth century, the history of colonial Brazilian art has highlighted the work of Afro-Brazilian men, specifically those with a white father and Black or parda mother.
Rachel A. Zimmerman
doaj   +1 more source

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