Browsing Escuela de Química by Title
Now showing items 485-489 of 489
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Variación del oxígeno disuelto en el Río Burío-Quebrada Seca, Heredia, Costa Rica, en el periodo 2005 - 2010
(2013-08-22)Las aguas superficiales constituyen una de las fuentes más importantes de agua dulce, sin embargo, una gran cantidad de ríos ubicados en zonas urbanas, están siendo utilizados como medios para la eliminación de residuos ... -
Variación Espacial de la Composición de 222RN en los Acuíferos Barva y Colima Superior, Costa Rica
(Universidad de Costa Rica (Costa Rica), 2016)Radon (222Rn) is a useful natural-occurring tracer to elucidate groundwater to surface water connectivity with important implications for human health. This study presents the first spatial distribution of 222Rn in ... -
Waste management: a study on generating organic fertilizer from oil and grease trap systems
(Universidad Nacional, Costa Rica, 2022-01-31)The grease and oil trap systems (GOTS) of four university food service establishments (FSE) were assessed and treated to evaluate the potential use of the sludge collected to produce compost. The sludge collected from each ... -
Waste minimization practices at the National University of Costa Rica
(WIT Press (Reino Unido), 2016)Hazardous materials are substances that are flammable, corrosive, reactive, toxic, radioactive, poisonous, carcinogenic, or infectious. According to the USEPA (United State Environmental Protection Agency), waste is ... -
Water stable isotopes reveal the hydrological response of Costa Rican glacial lakes to climate variability
(Elsevier (Países Bajos), 2022)Los lagos generalmente se consideran una fuente de información clave para comprender el paleoclima. Aquí usamos estable. Isótopos de agua (δ2H y δ18O) en un lago glacial tropical de gran altitud para informar sobre la ...