Objetivo. Evaluar, preliminarmente, la composición química de diferentes extractos obtenidos a partir de las hojas de Cnidoscolus aconitifolius (Mill.) I. M. Johnst que crece en Ecuador, así como la actividad antioxidante ...

Se utilizaron cátodos de Au amalgamados con Hg para la generación electroquímica del hidruro volátil de plomo, PbH4 Se acopló una celda electroquímica a un espectrómetro de absorción atómica, utilizando la señal de absorbancia ...

The electrochemical generation of antimony volatile species (stibine) using Au and Ag mercury amalgamated cathodes is described. Compared with some other cathode materials commonly used for electrochemical hydride generation, ...

The basic purpose of IEEE 127 is to serve as a guide to show preferred (steady-state) frequency and voltage ratings for primary power systems. A careful study, was accomplished by the Flight Vehicle Systems Integration ...

products are used in healing. Diverse remedies consist on pot-honey alone or mixed with infusions. This set of medicinal uses were informed in El Oro province by Ecuadorian stingless bee keepers known as meliponicultors ...

The Calophyllum genus is well-known for its antimicrobial and cytotoxic activities, and therefore, we analyzed these biological activities for resins of Calophyllum antillanum and Calophyllum inophyllum growing in Cuba. ...