Buscar
Mostrando ítems 1-10 de 433
Del TLC
(2014)
En la UNAG decidimos no al TLC con argumentos y condiciones
(Universidad Nacional de Costa Rica, 2012)
TLC Separation and Identification of the Essential Oil Constituents from Aloysia gratissima
(TAYLOR & FRANCIS INC, 2009)
The present work had as objective the isolation of the five compounds by thin-layer Chromatography (TLC) from the essential oil of the Aloysia gratissima. For this, a number of systems of eluents were used for its separation, ...
Conferencia sobre el ALCA, el TLC CA- EE.UU
(Universidad Nacional de Costa Rica, 2012)
Development of an innovative, ecological and stability-indicating analytical method for semiquantitative analysis of ampicillin sodium for injection by thin layer chromatography (TLC)
(2014)
Ampicillin sodium is a β-lactam antimicrobial agent for parenteral use, widely used in many parts of the world and recommended by the World Health Organization. There are some methods described in the literature to identify ...
La inversión y el trabajo en el TLC CA-EE.UU
(Universidad Nacional de Costa Rica, 2012)
El TLC CA-EE.UU. Repercusiones en el sector agropecuario de Costa Rica
(Universidad Nacional de Costa Rica, 2012)
El TLC CA-EE.UU. y el Instituto Nacional de Seguros costarricense
(Universidad Nacional de Costa Rica, 2012)