1,721,060 research outputs found
Giovan Battista Giraldi e Lope de Vega
No full textGasparetti Antonio. Giovan Battista Giraldi e Lope de Vega. In: Bulletin Hispanique, tome 32, n°4, 1930. pp. 372-403
Distribution of 5-methylcytosine-rich regions in the metaphase chromosomes of Vicia faba
No full textGenetical analyses of natural cavities in the Messinian Evaporites of the Bologna area (Italy): 1st, the Spipola Cave (Spipola-Acqua Fredda karst system)
No full textThis work presents a genetic interpretation of the Spipola gypsum cave (Croara area, Bologna, Italy) based on structural and stratigraphic data collected inside the cavity. We have studied the relationship between the trend of fractures and faults and the preferential cave’s development and we have related the various cave’s levels to the main thick gypsum beds. The cave has formed in a sequence of thick soluble gypsum beds in alternation with thin layers of euxinic shales that constitute impermeable seams. Two principal systems of fractures have been recognized, both related to the major faults occurring in the cave. The cave originated along the principal system of fractures, parallel to the strike of bedding. The other system of fractures (parallel to the dip of bedding) has not developed important karst phenomena. This fact is related to the presence of euxinic shales that cap the permeable rocks and interrupt the water flow in the strata dip direction. Further cave development was produced by enlargement by water action, collapses of ceiling, detachments of blocks and other mechanical phenomena. The various morphologies due to water action or to mechanic collapses are described and interpreted
Tecniche Ibride di Posizionamento per la Localizzazione dell’Utente Mobile in Situazioni di Emergenza
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Distribuzione delle sequenze ricche in 5-metil-citosina nei cromosomi metafasici di Allium cepa.
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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
HAP Support Segment for Global Navigation Systems
No full textThe HeliNet project has been funded by the European Union for the period 2000-2002, and concerns the development of a network of stratospheric platforms for telecommunications, navigation and remote sensing. In this paper we address the integration with Global Navigation Satellite System; in particular, we give an overview of the current status of the research activity and we focus on the latestresults dealing with integrity monitoring system applications
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