Results 1 to 10 of about 2,287 (102)

PRE-HISPANIC MINING ERGOLOGY OF NORTHERN CHILE: AN ARCHAEOLOGICAL PERSPECTIVE [PDF]

open access: yesChungara, 2013
Mines, spoils, retention walls and pads are the most common material remains of pre-Hispanic mining activity studied by archaeologists. In this paper we will focus on yet another category, the mining ergology, defined as the material artefacts associated with day to day mining activities. Mining ergology seeks to document the technological equipment of
Valentina Figueroa   +2 more
exaly   +5 more sources

Predicting Post-Radiotherapy Epigenetic Age Acceleration From Pre-Treatment Data Using a Machine Learning Framework in Head and Neck Cancer Patients. [PDF]

open access: yesCancer Med
ABSTRACT Background Epigenetic age acceleration in head and neck cancer (HNC) patients undergoing radiotherapy has been linked to adverse treatment outcomes. Understanding a patient's likely epigenetic aging response prior to radiotherapy has the potential to inform healthcare planning and clinical decision‐making; however, current methods cannot ...
Yan R   +9 more
europepmc   +2 more sources

La mina de Cobres (puna de Salta, Argentina) y la producción de metales en baja escala durante los periodos prehispánico y colonial

open access: yesNuevo mundo - Mundos Nuevos, 2021
In 1908, after a short visit to the region, Eric Boman published the first detailed information about pre-Hispanic and Colonial Era mining and metallurgy in Cobres.
Pablo Cruz   +4 more
doaj   +1 more source

El campamento minero Chuquicamata-2 y la explotación cuprífera prehispánica en el Desierto de Atacama

open access: yesEstudios Atacameños, 2003
Se presentan los primeros estudios del campamento minero Chu-2 con evidencias de explotación cuprífera previa al dominio inca, utilizado desde fines del Período Formativo, hasta el Intermedio Tardío, constituyendo el primer asentamiento de este tipo ...
Lautaro Núñez Atencio   +3 more
doaj   +10 more sources

Yanaconas del rayo. Reflexiones en torno a la producción de metales en el espacio surandino (Bolivia, siglos XV-XVI)

open access: yesEstudios Atacameños, 2014
Si de manera general en el espacio andino la minería prehispánica se encontraba limitada a la explotación de vetas superficiales o poco profundas, la metalurgia, en cambio, alcanzó un alto desarrollo tecnológico, el cual permitió tanto la elaboración de
Pablo Cruz, Florian Téreygeol
doaj   +8 more sources

Applying the Health Belief Model to Characterize Racial/Ethnic Differences in Digital Conversations Related to Depression Pre- and Mid-COVID-19: Descriptive Analysis

open access: yesJMIR Formative Research, 2022
BackgroundThe prevalence of depression in the United States is >3 times higher mid-COVID-19 versus prepandemic. Racial/ethnic differences in mindsets around depression and the potential impact of the COVID-19 pandemic are not well
Ruby Castilla-Puentes   +5 more
doaj   +1 more source

Metal del viento. Aproximación experimental para la comprensión del funcionamiento de las wayras andinas

open access: yesEstudios Atacameños, 2014
Los hornos andinos prehispánicos destinados a la fusión de minerales no ferrosos fueron objeto de varias investigaciones desde los años 1970. Sus referencias son relativamente comunes en las fuentes documentales del siglo XVI.
Florian Téreygeol, Pablo Cruz
doaj   +8 more sources

A Framework for Subgroup Dynamics Through the System Dynamics Lens: An Integrative Review of the Attribute and the Network Views

open access: yesJournal of Organizational Behavior, EarlyView.
ABSTRACT Subgroups are dynamic entities evolving constantly in response to changing contexts and time. Although scholars from both the attribute and the network views have acknowledged that subgroups are inherently complex and fluid, research in these traditions has remained bifurcated, with limited efforts to integrate the two perspectives to more ...
Jinhee Moon   +3 more
wiley   +1 more source

Income Mobility, Automation, and Occupational Licensing

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT Technological change has long been tied with distributional concerns due to displacement against certain skills on labor markets. Short‐run dislocations could create scarring in the long run. For example, shifts against less skilled workers with children could limit their ability to improve the inter‐generational income mobility of their ...
Vincent Geloso   +2 more
wiley   +1 more source

FEMINISTS VERSUS MONUMENTS? From Protests to Anti‐monuments in Mexico City

open access: yesInternational Journal of Urban and Regional Research, EarlyView.
Abstract This article examines the role of heritage spaces and monuments in the Historic Centre of Mexico City during ongoing feminist mobilizations. Feminists have claimed that the Mexican government is more concerned about protecting monuments and urban heritage than acting to prevent gender‐based violence and femicide.
Fernando Gutiérrez
wiley   +1 more source

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