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Mostrando ítems 1-5 de 5

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. ...
Larval morphology of Metaphycus flavus and its role in host attachment and larval cannibalism

Tena Barreda, Alejandro; Kapranas, A; Walker, G.P.; García Mari, Ferran; Luck, R.F. (Cambridge University Press, 2011)

Metaphycus flavus (Howard) (Hymenoptera: Encyrtidae) is a facultatively gregarious endoparasitoid of soft scales (Hemiptera: Coccidae). When it develops in superparasitised hosts, the larvae often attack and consume brood ...
Mating disruption for the control of Aonidiella aurantii Maskell (Hemiptera: Diaspididae) may contribute to increased effectiveness of natural enemies

Vacas González, Sandra; Vanaclocha, Pilar; Alfaro Cañamás, Cristina; Primo Millo, Jaime; Verdú, M.; Urbaneja García, Alberto; Navarro-Llopis, Vicente (Wiley, 2012-01)

Background: New directives on sustainable use of pesticides have encouraged research on efficient alternative pest control methods. In the case of the California red scale (CRS), Aonidiella aurantii (Maskell), this imperative, ...
Monitoring pH and ORP in a SHARON reactor

Claros Bedoya, Javier Alfonso; Serralta Sevilla, Joaquín; Seco Torrecillas, Aurora; Ferrer Polo, José; Aguado García, Daniel (IWA Publishing, 2011)

This paper analyses the valuable information provided by the on-line measurements of pH and oxidation reduction potential (ORP) in a continuous single high ammonia removal over nitrite (SHARON) reactor. A laboratory-scale ...
Nursery location and potassium enrichment in Aleppo pine stock 2. Performance under real and hydrogel-mediated drought conditions

Campo García, Antonio Dámaso del; Hermoso de Mena, Javier; Flors, Jaime; Lidón Cerezuela, Antonio Luis; Navarro-Cerrillo, Rafael M. (Oxford University PressInstitute of Chartered Foresters, 2011-07)

This work investigates Aleppo pine performance under severe drought conditions according to seedling size and nutritional status, with special emphasis on potassium. The interaction of drought ameliorating measures such ...

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Listar por palabra clave "Laboratory method"

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