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Mostrando ítems 11-17 de 17
Radiation dose map at the Peruvian Antarctic Station
(2016-12)
During January 2015, gamma-absorbed dose rates of natural radionuclides above ground were calculated throughout different areas of the Peruvian Antarctic Station “Machu Picchu”. The median outdoor gamma dose rate in air ...
Density variation of Cs-137 activity in surface soil from the King George Island
(Lima, 2014-11)
The behavior of radiocaesium from the nuclear tests conducted in the southern hemisphere was evaluated and their behavior was estimated on the floor of King George Island. Based on the findings made by several authors, was ...
Study of antarctic lichens as environmental biomonitors in the Admiralty Bay: Preliminary study of trace elements contents by neutron activation analysis
(Lima, 2002-06)
Al, As, Cu, Fe, Mn and Ti contents were analyzed for the epilithic antarctic lichen Usnea antarctica, used as a biomonitor for air quality. The samples were taken in the surrounding area of the Peruvian scientific station ...
Determinación de la actividad alfa (natural y artificial) en suelos y agua continental en el Perú
(Lima, 2002-06)
La implementación de métodos y sistemas para la evaluación de los niveles de radionucleídos emisores alfa, tales como los descendientes del uranio y torio, que tienen un aporte a la dosis anual que recibe la población de ...
Estandarización del método radioquímico para la determinación de Ra-226 en aguas
(Lima, 2002-06)
The present work shows the development of five radiochemical methods in order to determine Ra226 in river waters for human consumption, through gamma spectrometry. These methods are used in order to obtain this radionuclide ...
Beryllium-7 in lichens (Usnea antarctica Du Rietz) colllected in the Machu Picchu Antarctic Scientific Station during the austral summer 2012-2013
(Lima, 2013-11-12)
The presence of Be-7 in Antarctic lichens is verified with an increase in their levels of
concentration, showing an average derived activity 423,13 ± 80,39 Bq/kg for 2013.
Because of the good capability of incorporation ...
Enrichment factors of elements in lichens from the Machu Picchu Antarctic Scientific Station (2013)
(Instituto Peruano de Energía Nuclear, 2013-11-20)
To evaluate properly the extent of accumulation and movement of toxic substances in the environment there must be reliable of their present and past concentrations. The purpose of one project at the IPEN Antarctic Program ...