1,720,972 research outputs found
Measurement of cabin pressure during a flight with a smartphone
Get PDFAn aircraft cabin is used as a laboratory for studying the atmospheric
pressure during a flight. All the different steps of the flight: take-off,
cruise altitude climbing and landing are monitored with the use of the pressure
sensor of a smartphone. Specific details of the atmospheric pressure during
take-off and landing are given. Calculations are done for the aircraft nose
elevation angle during take-off, with the relation between the optimized cabin
pressure for the passenger comfort and the aircraft altitude
Tunable and transparent surface relief nanocavities for single nano-objects deposition
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Tunable and transparent surface relief nanocavities for single nano-objects deposition
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Tunable and transparent surface relief nanocavities for single nano-objects deposition
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Metasurface for Third Order Nonlinear Effect: New Prospects for Photonics and Biology
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Metasurface for Third Order Nonlinear Effect: New Prospects for Photonics and Biology
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Représentation de la fréquence en fonction du temps d'un signal à l'aide d'un smartphone et d'une flute à coulisse
No full textInternational audienceReprésentation de la fréquence en fonction du temps d'un signal à l'aide d'un smartphone et d'une flute à couliss
Metasurface for Third Order Nonlinear Effect: New Prospects for Photonics and Biology
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Going Beyond Counting First Authors in Author Co-citation Analysis
Get PDFThe 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
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