The use of different clay rninerals as support in anaerobic digestion has been studied: The suppon materials were evaluated in a batch microd.igester and their effect in the digestion process was measured ar the beginning ...

This paper describes an RP-HPLC method to characterize the ozonation products of polyethylene glycols (PEGs) (general formula HO(CH 2CH 2O) n -H) with original mass 5000. Samples with different pH and ozonation times were ...

La intervención de la casulla del terno blanco chapado del Rey Fernando el Católico se enmarca dentro de las actividades del Proyecto de Investigación, Intervención y Acondicionamiento Museográfico que dirige y coordina ...

Los principales factores de alteración que afectan a la Catedral de Baeza son de origen natural, fundamentalmente de tipo térmico e hidráulico. Para la construcción se han empleado en su mayor parte dos tipos de calcarenita, ...