The construction of a tubular hydrogen ion-selective potentiometric electrode without inner reference solution, based on the tridodecylamine (TDDA) ionophore, and its evaluation in a flow system are described. TDDA was dissolved in 2-nitrophenyl octyl ether, dispersed in a PVC membrane and applied...
This research we analyzed the analyzed the chosen methodological strategies in the school historical narrative appropriations by the history teachers' pedagogical practices. The investigation field covered from the fifth to the eighth grade of primary school in the above mentioned sector. We have elected...
Revista Española De CardiologíaNu´ n˜ ez F, Marti´nez-Costa C, Sa´ nchez-Zahonero J, Morata J, Chorro FJ, Brines J. Medida de la rigidez de la arteria caro´ tida como marcador precoz de lesio´ n vascular en nin˜ os y adolescentes con factores de riesgo ...