21 research outputs found

    Veterinarians' discourses on animals and clients

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    Veterinarians have obligations towards both the animals they treat and their clients, the owners of the animals. With both groups, veterinarians have complicated relations; many times the interests of both groups conflict. In this article, using Q-methodology as a method for discourse analysis, the following question is answered: How do Dutch practicing veterinarians conceptualize animals and their owners and their professional responsibility towards both? The main part of the article contains descriptions of four different discourses on animals and their owners and on veterinarian professional responsibilities that prevail among veterinarians. The factual images veterinarians have of animals and their owners are connected to different moral questions and solutions to these questions. © Springer 2005

    Thinking strategically about professional sports

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    Examen de la valeur potentielle des franchises de sport professionnel pour les entreprises qui cherchent à gagner des rentes économiques et à obtenir un avantage compétitif persistant. La disscussion porte essentiellement sur les grandes ligues d'Amérique du Nord : NFL, NHL, NBA, MLB..

    Magnetic ordering in the Ising antiferromagnetic pyrochlore Nd 2 ScNbO 7

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    The question of structural disorder and its effects on magnetism is relevant to a number of spin liquid candidate materials. Although commonly thought of as a route to spin glass behaviour, here we describe a system in which the structural disorder results in long-range antiferromagnetic order due to local symmetry breaking. Nd2ScNbO7 is shown to have a dispersionless gapped excitation observed in other neodymium pyrochlores below TN = 0.37 K through polarized and inelastic neutron scattering. However the dispersing spin waves are not observed. This excited mode is shown to occur in only 14(2)% of the neodymium ions through spectroscopy and is consistent with total scattering measurements as well as the magnitude of the dynamic moment 0.26(2) μB. The remaining magnetic species order completely into the all-in all-out Ising antiferromagnetic structure. This can be seen as a result of local symmetry breaking due disordered Sc+3 and Nb+5 ions about the A-site. From this work, it has been established that B-site disorder restores the dipole-like behaviour of the Nd+3 ions compared to the Nd2B2O7 parent series

    Homoleptic Lanthanide Complexes Containing a Redox-Active Ligand and the Investigation of Their Electronic and Photophysical Properties

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    Herein, we describe the preparation, characterization and photophysical properties of neutral lanthanide complexes containing a redox-active ligand 1-(2-pyridylazo)-2-phenanthrol (papl). The complexes likely share similar structural features and bear the formulation Ln(papl)3 (Ln(III) = Gd, Dy, Tb), which is supported by electrospray ionization mass spectrometry, CHN analysis, FT-IR and UV–Vis spectroscopy. The synthesis and structural properties of a related complex, Ho(qapl)3 (where qapl = 10-(8-quinolylazo)-9-phenanthrol), is also reported. The complexes feature ligand-centered redox activity, similar to other reported transition metal complexes with papl. Variable temperature magnetic susceptibility measurements (DC and AC) suggest typical free-ion magnetism without any slow-relaxation dynamics. The photophysical properties of the ligand and complexes were investigated and the results of emission spectroscopy indicate ligand-centered processes
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