Results 61 to 70 of about 54,380 (202)

Crónica de la III Jornada Internacional de estudios mineros «Minería y medio ambiente en el Siglo XXI: Una visión global y de Derecho Comparado»

open access: yesRevista Andaluza de Administración Pública, 2021
Los días 15 y 16 de octubre tuvo lugar en el Salón de actos de la Facultad de Derecho de la Universidad de Sevilla la III Jornada internacional de Estudios mineros dedicados a “Minería y medio ambiente en el siglo XXI: una visión global y de Derecho ...
J. R. Fuentes i Gasó
semanticscholar   +1 more source

Scientists’ warning on the global destruction of rock outcrop ecosystems

open access: yesConservation Biology, EarlyView.
Abstract Rock outcrops are geological formations that harbor a highly specialized biota adapted to harsh environmental conditions that differ from their surrounding landscapes. They are globally distributed, especially in old, highly weathered landscapes, and can function as habitat islands containing high levels of endemism and distinct evolutionary ...
Luiza F. A. de Paula   +19 more
wiley   +1 more source

Revista de la Dirección Nacional de Geología y Minería. Nro 20 a 22 [PDF]

open access: yes, 1970
Fil: Dirección Nacional de Geología y Minería ...
Argentina. Dirección Nacional de Geología y Minería
core  

Insights on Prioritization Methods for Mining Exploration Areas: A Case Study of the Tiltil Mining District, Chile

open access: yesMining
This study proposes a simple and replicable methodology to prioritize mining exploration projects based on their geoscientific characteristics and contextual factors, which can be adapted to different mining contexts.
Claudio Sebastián Molina   +3 more
doaj   +1 more source

Producción cerámica de la Tradición Tafí. Estudios tecnológicos de la alfarería arqueológica de la Ciénega (Tucumán, noroeste de Argentina).

open access: yesRevista do Museu de Arqueologia e Etnologia, 2003
Este trabalho é uma contribuição ao conhecimento da produção cerâmica da Tradição Tafí do noroeste da Argentina. São apresentados os resultados obtidos de um conjunto de técnicas analíticas aplicadas a olarias dos sitios formativos da vertente La Ciénega:
María Beatriz Cremonte
doaj   +1 more source

AI Public Value Creation: Data Encoding, Aggregation, and Algorithmic Computation

open access: yesPublic Administration, EarlyView.
ABSTRACT AI systems in public administration challenge the premise that value creation arises from managers' strategic mediation among the vertices of Moore's strategic triangle: Public value, legitimacy, and operational capacity. AI imposes new logics that reshape vertices and their interaction dynamics.
Antonio Cordella, Francesco Gualdi
wiley   +1 more source

Revista del Instituto Nacional de Geología y Minería. Nros 1 a 4 [PDF]

open access: yes, 1966
Faltan mapas. Los mismos pueden consultarse en la biblioteca del IGRM-SEGEMAR.
Argentina. Secretaría de Estado de Minería
core  

La contaminación ambiental ocasionada por la minería en la provincia de El Oro

open access: yesEstudios de la Gestión: revista internacional de administración, 2020
The environmental pollution caused by mining in the Province of El Oro has brought se-rious and irreparable consequences to the environment. Mining has been there for a long time, causing a great damage by its activities in the cantons located in the ...
provincia de El Oro   +3 more
semanticscholar   +1 more source

Governance Structures, Political Change and Executive Turnover in State‐Owned Enterprises: Evidence From Chile

open access: yesRegulation &Governance, EarlyView.
ABSTRACT To address the shortcomings associated with state ownership, countries have implemented various legal strategies to curb political influence in state‐owned enterprises. This research studies whether these strategies constrain the government's ability to use their appointment powers for political considerations.
Pablo Torres
wiley   +1 more source

Assessment of Diesel Engine Exhaust Levels in an Underground Mine Before and After Implementing Diesel Particulate Filters (DPF) and Selective Catalytic Reduction (SCR) Systems

open access: yesClean Technologies
Diesel-powered machinery is the primary energy source in underground mining, exposing workers to hazardous diesel exhaust emissions. This study evaluates occupational exposure to diesel particulate matter (DPM) and gaseous pollutants (NO, NO2) at an ...
Pablo Menendez-Cabo   +1 more
doaj   +1 more source

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