1,720,971 research outputs found
Combination therapy with rofecoxib and finasteride in the treatment of men with lower urinary tract (LUTS) and benign prostatic hyperplasia (BPH)
No full textIn-Plane Cyclic Response of New Urm Systems with Thin Web and Shell Clay Units
No full textThe use of thin web/shell clay unit masonry is becoming increasingly widespread for its good thermal and acoustic insulation performance. However, vertical perforated clay units with thin webs/shells could be a source of weakness and brittleness when used in load-bearing masonry walls subjected to shear cyclic excitations. The aim of this research is therefore to study the applicability of such construction systems in moderate to medium seismic areas, evaluating their seismic performance through an experimental investigation followed by a numerical research. In this context, the paper will present the results of the in-plane test campaign on 16 masonry piers representing three different masonry typologies, assembled using vertically hollowed clay units with thin webs and shell and tested under controlled boundary conditions, with different in-plane slenderness ratios and different applied vertical loads. The results are discussed in terms of in-plane failure modes, associated lateral strength and stiffness, displacement and dissipation capacity, comparing the performance within the three different typologies and with similar masonry tested in the past with clay units having common (thicker) webs and shells. The main experimental outcomes show that the considered typologies provide a sufficiently good lateral performance, providing stiffness, resistance, deformation capacity and post-peak behaviour in line with the corresponding “traditional” masonry systems without any source of additional brittleness
Lateral strength Of urm piers: comparison between codified criteria and in-plane test results
No full textThe lateral resistance represents one of the most significant wall parameters to be used in the seismic analyses for the design/assessment of masonry buildings. In this article, an investigation on in-plane lateral strength of URM piers has been proposed thorough a comparison between the results from codified criteria and the outcomes of several experimental in-plane cyclic tests on masonry walls. In this context, a new database collecting the results of in-plane cyclic tests on unreinforced masonry piers, carried out within different research projects, has been devel-oped. The database consists of walls with bricks and blocks with different masonry materials (clay, lightweight aerated concrete, AAC, calcium silicate), bed-and head-joint typologies, di-mensions, boundary conditions, vertical applied loads and horizontal loading history. This source of information of consistent and reliable test results represents a necessary step into the process of definition of shared rules in the European context.Accepted Author ManuscriptApplied Mechanic
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
In-plane test campaign on different load-bearing URM typologies with thin shell and web clay units
No full textAppropriate 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
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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