Results 21 to 30 of about 7,282 (118)
Extraction and clean-up of pesticides from fatty samples
Grasas y Aceites, 2000 The extraction of pesticides from fatty samples is a problem extensively studied. In this paper, the main techniques for the extraction of pesticides from fatty samples are reviewed.
M. López-Mesas, M. Crespi
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Spatiotemporal Variations in Chemical Composition of Wet Atmospheric Deposition in Mexico City
Aerosol and Air Quality Research, 2023 A comprehensive analysis of the chemical composition of wet atmospheric deposition was performed on 7048 samples collected between 2003 and 2021 over Mexico City. The descending ion abundance trend was NH4+ > SO42− > NO3− > Ca2+ > Cl− > H+ > Mg2+ > Na+ >
Elizabeth Vega +5 more
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Evolution of research on global amphibian declines
Conservation Biology, Volume 40, Issue 1, February 2026.Abstract In the late 1980s, the scientific community became aware of severe, enigmatic amphibian population declines. These declines triggered a wave of research focused on quantifying their extent and identifying key drivers. We used text‐analysis techniques, including topic modeling and geoparsing, to examine the evolution of research focused on ...
Jordann Crawford‐Ash +6 more
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Contaminación atmosférica en el municipio Regla: Aplicación del índice de calidad del aire (ICA).
Revista Cubana de Meteorología, 2018 El Índice de Calidad del Aire se considera un indicador global de la calidad del aire en un momento determinado o día y en una estación de monitoreo en concreto. El ICA se ha de interpretar como un indicador orientativo de la calidad del aire enfocado al
Osvaldo Cuesta Santos +3 more
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Conservation Biology, Volume 40, Issue 1, February 2026.Abstract In the era of the sixth mass extinction, reversing global biodiversity loss is of vital importance for life on Earth. In 2022, parties to the Convention on Biological Diversity (CBD) adopted the Kunming‐Montreal Global Biodiversity Framework (GBF), a strategic plan with 23 action‐oriented targets to be achieved by 2030.
Ina Lehmann +3 more
wiley +1 more source
Análisis de las emisiones atmosféricas de las fuentes fijas de La Habana
Revista Cubana de Meteorología, 2016 El presente estudio tiene como objetivo conocer y analizar el comportamiento de las emisiones de las principales fuentes fijas de La Habana a través del inventario de emisiones, para lo cual se toma como base el año 2012.
Osvaldo Cuesta Santos +7 more
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Scientific ReportsPM₁₀ composition was studied in a petrochemical-influenced industrial area of central Spain, focusing on polycyclic aromatic hydrocarbons (PAHs), nitro-PAHs (NPAHs), oxygenated PAHs (OPAHs), and aliphatic hydrocarbons (AHs) together with their seasonal ...
Sonia Lara +4 more
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CORPORATE FUTURES, ENERGY TRANSITION, AND NATURAL PROSTHETICS IN COLOMBIA'S CESAR MINING CORRIDOR
Cultural Anthropology, Volume 41, Issue 1, Page 134-162, February 2026.ABSTRACT This essay examines the socioecological transformations of mining and post‐mining landscapes in the mining corridor of the Cesar Department, northern Colombia. When an open pit mine is about to close or has recently closed, companies promote post‐mining strategies framed as ecosystem restoration and social compensation.
JUAN PABLO VERA LUGO
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Risk, Hazards &Crisis in Public Policy, Volume 16, Issue 4, December 2025.ABSTRACT Background Hazardous levels of contaminants produced by anthropogenic activities are increasingly pervading residential environs and urban areas. Hazardous contamination can pose significant health risks for citizens dwelling in exposure pathways.
Rosina Johnson +3 more
wiley +1 more source
Revista Cubana de Meteorología, 2017 El objetivo de este trabajo fue evaluar la influencia de las zonas de procedencia de las masas de aire en la composición química de la lluvia en localidades de Cuba.
Rosemary López Lee +2 more
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