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Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE
(Nature Publishing Group, 2018-09)
Though tree-ring chronologies are annually resolved, their dating has never been independently validated at the global scale. Moreover, it is unknown if atmospheric radiocarbon enrichment events of cosmogenic origin ...
Temporal evolution of main ambient PM2.5 sources in Santiago, Chile, from 1998 to 2012
(European Geosciences Union, 2017)
The inhabitants of Santiago, Chile have been exposed to harmful levels of air pollutants for decades. The city's poor air quality is a result of steady economic growth, and stable atmospheric conditions adverse to mixing ...
Temporal evolution of main ambient PM2.5 sources in Santiago, Chile, from 1998 to 2012
(2017)
The inhabitants of Santiago, Chile have been exposed to harmful levels of air pollutants for decades. The city's poor air quality is a result of steady economic growth, and stable atmospheric conditions adverse to mixing ...
NO2 emissions from agricultural burning in São Paulo, Brazil
(Amer Chemical Soc, 2004-09-01)
We report here on the application of a compact ultraviolet spectrometer to measurement of NO2 emissions from sugar cane field burns in São Paulo, Brazil, the time-resolved NO2 emission from a 10 ha plot peaked at about 240 ...
Annual tree rings in the rainiest forests of the Americas
(Universidad Nacional de ColombiaMedellín - Ciencias Agrarias - Doctorado en EcologíaDepartamento de Ciencias ForestalesFacultad de Ciencias AgrariasMedellínUniversidad Nacional de Colombia - Sede Medellín, 2021)
In this dissertation, I explore the dendrochronological potential of trees from a lowlands tropical wet forest (Precipitation over 7,200 mm y-1), without seasonal water deficit or flooding. I study the causes and sensitivity ...
Peritoneal Dialysis-Related Peritonitis due to Coagulase-Negative Staphylococcus: A Review of 115 Cases in a Brazilian Center
(Amer Soc Nephrology, 2014-06-06)
Background and objectives Coagulase-negative Staphylococcus (CNS) is the most frequent cause of peritoneal dialysis (PD) related peritonitis in many centers. This study aimed to describe clinical and microbiologic ...
Integración sustentable de plantas termoeléctricas con biorefinerías basadas en microalgas para la captura económica de gases con efecto invernadero
(Universidad Michoacana de San Nicolás de Hidalgo, 2014-08)
This thesis presents the formulation and implementation of a multi-objective optimization model to maximize the annual profit and minimize the environmental impact of regenerative steam power plants with reheat integrated ...
Advances And Perspectives Of Mechanomyography
(Sociedade Brasileira de Engenharia Biomedica, 2014)