1,721,023 research outputs found
Effetti dell'estere guaiacolico dell'acido acetilsalicilico su alcuni parametri spirometrici e pletismografici in soggetti affetti da broncopneumopatia cronica ostruttiva. [Effects of guaiacolic ester of acetylsalicylic acid on spirometric and plethysmographic parameters in subjects with chronic obstructive bronchopneumopathy].
No full textThe effects of oral administration of guaiacolic ester of acetyl salicilic acid in 24 patients with chronic obstructive lung disease have been evaluated. 1.5 g of this drug were given daily into 3 administrations improving both objective and subjective symptomatology in 19 of the 24 patients after 1 or 3 weeks of treatment. Moreover, a statistically significant improvement of FEV 1" (p less than 0.001), Raw (p less than 0.005) and FEV 1"/VC (p less than 0.01) was observed. The remaining 5 patients discontinued the treatment failing the improvement of the subjective symptomatology
Angiotensin converting enzyme inhibitor (SQ 14225) oral administration and intraocular pressure in man
No full textArrhythmogenic age-related effects of lysophosphatidylcholine in the rat heart.
No full textVentricular arrhythmias are the most common cause of death among patients with coronary artery disease; this is more evident in the elderly, who tend to have
more severe coronary artery disease and age-dependent modifications of cardiac electrophysiology. Lysophosphoglycerides, which accumulate in the ischemic
myocardium, are responsible for oscillatory after-potentials and may contribute to the development of ventricular arrhythmias. The aim of this study was to
examine the effects of lysophosphatidylcholine (5 x 10(-5) M) in the absence or presence of epinephrine (10(-6) M) in isolated, perfused hearts from adult (6-12 months old) and senescent (24 months old) rats. Rat hearts (30/group) were randomly divided into four groups each of which included hearts of 6, 12 and 24-month old rats. The groups comprised a control group, a group treated with epinephrine, a group treated with lysophosphatidylcholine and a group treated
with both epinephrine and lysophosphatidylcholine. Analysis of arrhythmias indicated a linear correlation between epinephrine- and lysophosphatidylcholine-induced ventricular arrhythmias and age. The incidence of
arrhythmias was higher in the hearts treated with epinephrine and lysophosphatidylcholine together than in those treated with either substance separately (p less than 0.01). The results indicate that age influences the
arrhythmogenic action of lysophosphatidylcholine, and that epinephrine contributes to this effect
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Voices of the ‘totale eccidio’: On the Lexicon of Earthquakes in the Kingdom (1456-1784)
No full textSi prende in esame la descrizione e la narrazione di terremoti ed eruzioni vulcaniche in testi dell'età moderna. Viene quindi discussa la funzione delle narrazioni come garanzia di continuità della vita e dell’ordine sociale. Segue la disamina del lessico dei disastri e l’esame dei nomi del terremoto
The Portrait of a Catastrophe. The Image of the City in Seventeenth-Century Neapolitan Culture
No full textLo studio parte dalla constatazione dell'imponente numero di pubblicazioni ad argomento catastrofico che si realizzarono nel Regno di Napoli a partire dal 1631 della grande eruzione vesuviana e per tutto il s. XVII lungo il quale si moltiplicarono i fenomeni tellurici e le emergenze politico-sanitarie. Relazioni cronachistiche, trattati scientifici, opere di carattere devozionale, riflessioni filosofico-morali, ma anche un'importante quantità di testi poetici affollano i banchi delle librerie per contribuire all'interpretazione di una serie di eventi che stravolgevano le consuetudini quotidiane costringendo la popolazione a confrontarsi con quel che l'antropologo Ernesto de Martino avrebbe poi chiamato la "crisi della presenza". Nel fronteggiare lo choc cognitivo tipico di ogni grande fenomeno distruttivo, questa produzione, e soprattutto quella più francamente letteraria e poetica, provvedeva a riconfigurare il sistema culturale cittadino, fornendo anche una diversa interpretazione del sistema urbano, i cui assi venivano rovesciati da Ovest (originario polo mitologico in virtù dell'estensione cumana e delle memorie virgiliane) a Est (dove invece si erge il vulcano, che diviene il nuovo centro di una mitologia tellurica e ctonia apparentata a quella etnèa), e riconfigurata secondo le coordinate verticali basso/alto (giù ci sono in conflitti, la morte, le potenze della distruzione, su ci sono i santi e i condottieri che proteggono). Inserendosi nell'ambito della ricerca ERC "Discopose", il contributo mira a fornire una lettura della produzione letteraria napoletana del s. XVII che reinterpreti le coordinate di stile (il marinismo e la cultura barocca) all'interno di un sistema tipologico-culturale coerente che abbraccia insieme rappresentazione cartografica, illustrazione pittorica, cultural scientifica e linguaggio della poesia
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
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