1,722,493 research outputs found

    Mrs. W. D. Levy, circa 1860-1885

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    Tintype of Mrs. W. D. Levy, circa 1860-1885. From the Humrichouse Family photograph album. To view the entire album, please visit http://hdl.handle.net/1903.1/11824

    Thermal expansion of chromites and zinc spinels

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    the aim of this work is the determination of the thermal expansion behaviour of chromium and zinc spinels by in situ XRPD. Two natural chromites (from Bushveld, South Africa and Xerolivado, Greece) and four synthetic phases (one Cr-spinel and three Zn-spinels) have been studied. A net change in the thermal expansion regime can be observed for all samples at temperatures T-a in the range 873-1073 K, depending on the chemical composition: the change is assumed to be related to the onset of the intracrystalline cation diffusion. The chromium spinels have a neat increase in thermal expansion coefficient above T-a, while the zinc samples show a decrease. It is difficult to rationalise the observed temperature behaviour of the cell parameters in terms of simple consideration based on cation radii and crystal geometry: proper interpretation has to include the crystal chemical role of site vacancies

    [Letter from Meyer Bodansky to Moise D. Levy - May 1939]

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    Letter from Dr. Meyer Bodansky to Dr. Moise D. Levy, informing Dr. Levy that in order to secure another doctor for employment, Dr. Levy's immediate attention is needed. Dr. Bodansky notes that the doctor they have discussed is preparing to leave for other opportunities and is an excellent addition to any staff

    Going Beyond Counting First Authors in Author Co-citation Analysis

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    The 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

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    “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

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    We 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

    New York State Bar Association Stanford D. Levy Professional Ethics Award

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    New York State Bar Association Stanford D. Levy Professional Ethics Award Presented to Monroe H. Freedman For Outstanding Contribution to Understanding and Advancement in the Field of Professional Ethics October 19, 2005https://scholarlycommons.law.hofstra.edu/mhfreedman_honorsawards/1012/thumbnail.jp

    New York State Bar Association Stanford D. Levy Professional Ethics Award

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    New York State Bar Association Stanford D. Levy Professional Ethics Award Presented to Monroe H. Freedman For Outstanding Contribution to Understanding and Advancement in the Field of Professional Ethics October 19, 2005https://scholarlycommons.law.hofstra.edu/mhfreedman_honorsawards/1012/thumbnail.jp

    high-pressure studies on La0.25Ca0.75MnO3 by using X-ray diffraction at ESRF synchrotron

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    The interplay among magnetism, charge mobility and structure in manganese oxide perovskites present excited in the last few years large scientific interest. Nevertheless several aspects on the physics of those compounds remain unclear. The evolution of the structure of La0.25Ca0.75MnO3 compounds as a function of pressure has been investigated by X-ray Powder diffraction in the high-pressure region, up to about 14 GPa. An anomalous and unexpected increasing of coherent Jahn-Teller distortions of MnO6 octahedron has been observed raising the pressure over 7 GPa suggesting deeper investigation in this region of the phase diagram
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