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3 resultados

Acesso aberto

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Artigo

Elvira Guisbert H., Oswaldo Ramos R., Rómulo Gemio, Israel Quino, Claudia Ávila, Rigoberto Choque, Henry Flores,

The evaluation of nitrogen pollution degree on groundwater was made from dry to wet season. NO2 -, NO3 -, NH4 +, NT, N-inorg y N-org were analyzed. The resul...

Tópico(s): Environmental and Cultural Studies in Latin America and Beyond

2007 - | Revista Boliviana de Química

Artigo

Elvira Guisbert H., Oswaldo Ramos R., Rómulo Gemio, Rigoberto Choque, Henrry José Viachica Flores, Amalia Niura,

Stiff and Piper-Hill-Langelier diagrams give to us the classification of both superficial and groundwater resources as sulphated-chloride-calcic, due to the high concentration of Ca 2+ , SO4 2- and Cl - among all the majorities ions. It was determine also the existence of two kind of water fluxes (according to Surfer diagrams) one direction from South-West to NorthEast (depth: 40-80m) and the other from South-East to North-West (depth: 1-4m), taking us to think on the existence of two aquifers inside our ...

Tópico(s): Geological and Tectonic Studies in Latin America

2006 - | Revista Boliviana de Química

Artigo Acesso aberto

Victor M. Barriga,

... la victoria que obtuvo en la Batalla de Guaqui, contra Casteli. Uno y otras, de autores no ...

Tópico(s): Latin American history and culture

1953 - | Fénix/Fénix