Results 131 to 140 of about 381,697 (253)

Comprehensive spatial mapping of metals and metalloids in the Peruvian Mantaro Valley using advanced geospatial data Integration

open access: yesGeoderma
The quality and safety of soil are crucial for ensuring social and economic development and providing contaminant-free food. The availability and quality of soil data, particularly for multiple metals and metalloids, are often insufficient for ...
Samuel Pizarro   +6 more
doaj  

Legal, Political, and Practical Obstacles to the Enforcement of Labor Laws in El Salvador [PDF]

open access: yes, 2004
Conducted with partners in El Salvador, this study assesses the condition of workers and examines the legal framework designed to protect them. Researchers found that weaknesses in the institutional structure and favoritism toward foreign investors ...
Cardona Monterrosa, Amilcar Efren
core   +1 more source

Niveles de plomo en sangre de perros de la Cuenca Matanza-Riachuelo. Su función como centinelas de riesgo ambiental

open access: yesRevista de Salud Ambiental, 2019
El plomo es un metal tóxico para todos los seres vivos. Diversos estudios han demostrado la similitud de las condiciones de exposición y de sensibilidad a la contaminación por plomo de perros y niños, siendo estos últimos el principal grupo de ...
Verónica González Martínez   +5 more
doaj   +2 more sources

AIR POLLUTION MANAGEMENT IN TWO COLOMBIAN CITIES: CASE STUDY [PDF]

open access: yes
This document is a case study that focuses on the air pollution problems of Bogotá and Medellín. These are the largest; most populated and industrialized cities of Colombia.
Eduardo Uribe
core  

Monitoreo genético en programas de repoblamiento de peces mediante marcadores moleculares [PDF]

open access: hybrid, 2008
Jayme Aparecido Povh   +5 more
openalex   +1 more source

Monitoreo automático de emisiones radiofónicas

open access: yes, 2007
En esta tesis se presentamos el problema de monitoreo de medios y proponemos una solución basada en huellas de audio (audio fingerprint).
openaire   +1 more source

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