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Listar por palabra clave "Concentration (process)"

Mostrando ítems 1-8 de 8

Alkylphenols and polycyclic aromatic hydrocarbons in eastern Mediterranean Spanish coastal marine bivalves

Bouzas Blanco, Alberto; Aguado García, Daniel; Martí Ortega, Nuria; Pastor, JM; Herraez, R; Campins, P; Seco Torrecillas, Aurora (Springer Verlag (Germany), 2011-05)

This paper reports the first results on alkylphenol pollution in edible bivalves from the Spanish coast. Two sampling campaigns (July 2006 and July 2007) were carried out to determine the concentration of nonylphenol (NP), ...
Asymmetric nanopore rectification for ion pumping, electrical power generation, and information processing applications

Cervera, Javier; Ramirez Hoyos, Patricio; Mafé, Salvador; STROEVE, PIETER (Elsevier, 2011-04)

Single-track, asymmetric nanopores can currently be functionalised with a spatially inhomogeneous distribution of fixed charges and a variety of pore tip shapes. Optimising the asymmetric nanopore characteristics is crucial ...
Effect of pH and nitrite concentration on nitrite oxidation rate

Jiménez Douglas, Emérita; Giménez García, Juan Bautista; Ruano García, María Victoria; FERRER, J.; Serralta Sevilla, Joaquín (Elsevier, 2011-07-29)

The effect of pH and nitrite concentration on the activity of the nitrite oxidizing bacteria (NOB) in an activated sludge reactor has been determined by means of laboratory batch experiments based on respirometric techniques. ...
Estimation of a suitable Schmidt number range in diesel sprays at high injection pressure

Salvador Rubio, Francisco Javier; Ruiz Rosales, Santiago; Gimeno, Jaime; De La Morena Borja, Joaquín (Elsevier, 2011-09)

The aim of this paper is to estimate a suitable range for the Schmidt number value in non-evaporative diesel sprays. For this purpose, mass distribution data obtained from X-ray absorption experiments existing in literature ...
Evaluation of two ion-exchange membranes for the transport of tin in the presence of hydrochloric acid

García Gabaldón, Montserrat; Pérez-Herranz, Valentín; Ortega Navarro, Emma María (Elsevier, 2011-01-19)

The transport properties of two ion-exchange membranes in the presence of tin, as Sn(II) and Sn(IV), were investigated by chronopotentiometry and current-voltage curves. Since tin forms positively or negatively charged ...
Monitoring and forecasting nitrate concentration in the groundwater using statistical process control and time series analysis: a case study

García-Díaz, J. Carlos (Springer Verlag, 2011-03)

Contaminated water resources have important implications on health and the environment. Nitrate contamination of the groundwater is a serious problem in the European Union. A method based on the statistical process control ...
Occurrence of priority pollutants in WWTP effluents and Mediterranean coastal waters of Spain

Martí Ortega, Nuria; Aguado García, Daniel; Segovia Martínez, Laura; Bouzas Blanco, Alberto; Seco Torrecillas, Aurora (Elsevier, 2011)

A comprehensive study aimed at evaluating the occurrence, significance of concentrations and spatial distribution of priority pollutants (PPs) along the Comunidad Valenciana coastal waters (Spain) was carried out in order ...
Recent results for single-junction and tandem quantum well solar cells

Adams, J.G.J.; Browne, B.C.; Ballard, I.M.; Connolly, James Patrick; Chan, N.L.A.; Ioannides, A.; Elder, W.; Stavrinou, P.N.; Banham, J.W.J.; Ekins-Daukes, N.J. (Wiley, 2011-11)

[EN] The band gap of the quantum well (QW) solar cell can be adapted to the incident spectral conditions by tailoring the QW depth. The single-junction strain-balanced quantum well solar cell (SB-QWSC) has achieved an ...