Browsing by Author "Morales Segura, Raúl"
Now showing items 1-20 of 21
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(Elsevier, 2015)A critical analysis of Chile's National Air Quality Information System(NAQIS) is presented, focusing on particulate matter (PM) measurement. This paper examines the complexity, availability and reliability ofmonitoring ...
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(Hindawi, 2014)Measurements of carbonaceous aerosols in South American cities are limited, and most existing data are of short term and limited to only a few locations. For 6 years (2002–2007), concentrations of fine particulate matter ...
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(Universidad de Chile, 2012)Durante los meses de verano, la zona central de Chile, y en particular la Region metropolitana, presenta alto índice de contaminación de ozono cuya función se ve favorecida debido al aumento de la radiación solar y a las ...
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(2013)Ammonia, one of the ambient gasses that require environmental monitoring, is typically measured using a passive sampling method. The present work presents an evaluation of the uncertainty according to the Guide to the ...
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(Elsevier, 2009)High concentration of fine airborne particulates is considered one of the major environmental pollutants in Santiago, the Chilean Capital city, which in 1997 was declared a PM10 saturated zone. To date there is no control ...
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(Elsevier Ltd., 2009-01-16)High concentration of fine airborne particulates is considered one of the major environmental pollutants in Santiago, the Chilean Capital city, which in 1997 was declared a PM10 saturated zone. To date there is no control ...
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(Universidad de Chile, 1985)
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(Universidad de Chile, 2004)Esta tesis aborda la aplicación de compuestos heterocíclicos aromáticos del tipo tiolactama como actinómetros de radiación UV. Se estudió la reactividad fotoquímica de los compuestos indolin-2-tiona (BC), benzimidazol-2-tiona ...
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(Universidad de Chile, 1982)Se registran experimentalmente, los espectros electrónicos de absorción y fluorescencias de 2-benzoxazolinona y 6-metoxi-2-benzoxazolinona en diferentes solventes a temperatura ambiente y los fosforescencia en solución de ...
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(Universidad de Chile. Facultad de Economía y Negocios, 2016)
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(Universidad de Chile, 2002)El objetivo principal de esta memoria de titulo es implementar el Sistema de Gestión Ambiental divisional, en la Superintendencia ingeniería Mantención Mina para la obtención de la certificación ISO 14001, siendo el alcance ...
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(Elsevier, 2014)The long-term trends and spatial variability of PM2.5 and PM10 over the period between 2000 and 2012 in the Santiago Metropolitan Area, Chile are studied. The annual PM10 and PM2.5 mass concentration ranged between 76 ...
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(Springer Netherlands, 2018)© 2017, Springer Science+Business Media B.V. Landfill fires are relatively frequent incidents that can result in severe environmental impacts. On the morning of January 15, 2016, a fire occurred at the Santa Marta landfill ...
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(Universidad de Chile, 2012)Desde pr¡ncipios de la década del sesenta, la población de Ia ciudad de Santiago ha estado expuesta en forma creciente a los efectos de agentes nocivos presentes en el aire, especialmente durante los periodos críticos ...
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(American Geophysical Union, 2013)Observations were performed in 12 communities of Central Chile in order to determine the horizontal gradients of ozone in the Santiago Basin and surrounding valleys. Higher ozone mixing ratios were found northeast of the ...
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(Springer, 2015)The relationships between ozone (O-3) and its precursors, nitrogen oxides (NO (x) ) and volatile organic compounds (VOCs), were investigated in the VIR region (34A degrees 10' S, 71A degrees 36' W), referred to as Libertador ...
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(Springer Science and Business Media Netherlands, 2014)The Valparaiso Region is characterized by the presence of air sheds that modulate the general atmospheric circulation with local winds. The ozone concentration in the region increases from the west coast toward the mountainous ...
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(1982)A method for investigating the polarizability change in the excited electronic states of nonpolar aromatic hydrocarbons from spectral solvent shifts has been developed. Comparisons with electrochromic measurements of ...
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(Universidad de Chile, 2002)La Empresa de Servicios Sanitarios dcl Libertador (ESSEL. S.A) está encargada de producir y distribuir el agua potable en la VI región, además de recolectar y tratar las aguas servidas que en ella se generar. En este momento ...
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(Public Library of Science, 2015)Pollen is one of the primary causes of allergic rhinoconjunctivitis in urban centers. In the present study, the concentrations of 39 different pollens in the Santiago de Chile metropolitan area over the period 2009–2013 ...
