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Nanocrystalline TiO 2 samples were prepared by promoting the growth of a sol–gel precursor, in the presence of water, under continuous (CW), or pulsed (PW) ultrasound. All the samples turned out to be made of both anatase and brookite polymorphs. Pulsed US treatments determine an increase in the sample surface area and a decrease of the crystallite size,(More)
The aim of this study was to investigate whether human infants' cries show individually and contextually discriminable acoustic parameters. 20 full-term normal human newborns (aged 1 to 4 days) had their cries recorded during routine blood withdrawal (pain context) 30 min. before a scheduled feeding (hunger context) and when subjected to kinetic stimuli(More)
Interstitial pregnancy is an ectopic pregnancy at high hemorrhagic risk. It often poses a diagnostic and therapeutic challenge to the clinician, with a significant risk of morbidity and mortality. It presents a difficult management problem with no absolute standard of care; the most appropriate treatment technique for these pregnancies remains(More)
The aim of this paper is to evaluate which context determines the illocutionary force of written or recorded utterances—those involved in written texts, films and images, conceived as recordings that can be seen or heard in different occasions. More precisely, my paper deals with the ''metaphysical'' or constitutive role of context—as opposed to its(More)