1,720,965 research outputs found
Laser Ultrasonics for Quality Control in the Ceramic Industry: Application to Bulk Density Measurement
No full textNon contact ultrasonic techniques for composite material diagnostics in aeronautics applications
No full textSviluppo di una Metodologia per la Caratterizzazione di Sonde ad Ultrasuoni senza Contatto
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A multi-sample microdialysis apparatus for proteins and nucleic acids.
No full textA multiposition microdialysis system suitable for simultaneous microsample applications (between 10 microL and 500 microL), has been developed. Each sample, contained in a specially designed microfuge dialysis tube (mDT), is dialysed independently from the other samples. Each mDT has its own membrane, and this feature allows the use of different membranes and dialysis times for different samples. The microdialysis apparatus is kept at constant temperature by an external thermostat, avoiding the use of a cold box. The dialysis release time for small ions, a parameter used for quantitation of microdialysis efficiency, decreases from 22.9 min (for a 200 microL sample) to 7 min (for a 50 microL sample). The sample is efficiently recovered by centrifugation. Quantitative recoveries (90\%) of different proteins and DNA were achieved after microdialysis by mDT
Applicazione di sistemi di Misura non a contatto per la diagnostica di piastrelle ceramiche
No full textDevelopment of non-destructive Young's modulus measurement techniques in non-oriented CeF3 crystals
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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
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
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