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Now showing items 11-20 of 30
Determinación de histamina en pescado por cromatografía líquida con detección ultravioleta
(Universidad Nacional (Costa Rica), 2022)
El objetivo de este trabajo de graduación fue determinar histamina por un método de cromatografía líquida de alta resolución acoplado a un detector de arreglo de diodos en pescado fresco, que incluyó etapas de validación ...
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 ...
Estudio preliminar con respecto a los efectos en la salud de trabajadores y su relación con la exposición a emisiones gaseosas volcánicas. Un caso de estudio en dos volcanes activos de Costa Rica
(Universidad Nacional, Costa Rica, 2022-01-31)
The objective of this research was to carry out a preliminary diagnosis of the relationship
between volcanic gaseous emissions and health effects present among workers of the National System of
Conservation Areas (SINAC) ...
Calidad del agua superficial y presiones socioambientales en la microcuenca alta del río Poás
(Universidad Nacional (Costa Rica), 2022-03-10)
El objetivo de esta investigación fue determinar la relación entre la calidad del agua superficial en la parte alta de la microcuenca del río Poás y las principales presiones socioambientales que pueden alterar ...
Using UAS with Sniffer4D payload to document volcanic gas emissions for volcanic surveillance
(Advanced UAV, 2022)
A consistent volcanic monitoring program is crucial to the safety of the population and the efficiency of the nation. Costa Rica´s National Commission for Risk Prevention the CNE helps manage this responsibility. The ...
Evolution of the Main Crater, Irazú Volcano National Park, Costa Rica – Consumer Drones in professional research
(Advanced UAV, 2022)
There has been significant cracking and erosion on the south crater wall of the Main Crater below the area where tourists gather to view the main feature of the park; The Main Crater. By deploying the EVO Lite+ drone system ...
Aporte ambiental de la planta de tratamiento de aguas residuales Los Tajos en la remoción de contaminantes fisicoquímicos y microbiológicos
(Universidad Nacional, Costa Rica, 2022-01-31)
The objective of the study was to analyze the environmental contribution, in terms of removal of physicochemical and microbiological pollutants, from the Los Tajos Wastewater Treatment Plant (WWTP) to the Torres River. ...
Agua, naturaleza y seguridad hídrica
(Universidad Nacional, Costa Rica, 2022)
Boletín técnico sobre Soluciones Basadas en la Naturaleza (SbN). Los ecosistemas naturales generan importantes servicios ecosistémicos que son utilizados por los ecosistemas naturales y la sociedad. El agua es un recurso ...
Remote Piloting UAS in Extreme Environments with Challanging Climatic Conditions - An Overview of Modern UAS Capabilities in the Field of Volcanology, Geosciences, Atmospheric Chemistry and Interplanetary Exploration
(ADVANCED ENGINEERING DAYS (AED), 2022-09)
Unmanned Aerial Systems have recently had advanced payloads configured by engineers for various atmospheric sampling experiments and have been proven a successful and innovative technology. Climatic stability in volcanic ...