986 resultados para Pattison, Mark, 1813-1884:


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Cyprien Ayer (1825–1888), figure marquante de la vie intellectuelle en Suisse au XIXe siècle, est l'auteur d’une vaste œuvre scientifique, journalistique et littéraire. Parmi ses travaux linguistiques les plus importants il faut mentionner sa Grammaire comparée de la langue française (1876; nombreuses rééditions), sa Phonologie de la langue française (1875), et son Introduction à l’étude des dialectes du pays (1878). Ce dernier texte, ouvrage pionnier dans le domaine des études francoprovençales, est réimprimé ici, précédé d'une introduction. Le présent recueil regroupe des contributions qui concernent l’œuvre linguistique et littéraire d’Ayer et ses rapports avec une autre figure-clef de la vie littéraire et intellectuelle en Suisse, Henri-Frédéric Amiel. Le recueil s’ouvre par une étude de la carrière d’Ayer et par une bibliographie de ses travaux scientifiques (grammaire, dialectologie, pédagogie, économie, géographie, statistique, politique, ethnographie).

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Kornerupine and prismatine were introduced independently by Lorenzen in 1884 (but published in 1886 and 1893) and by Sauer in 1886, respectively. Ussing (1889) showed that the two minerals were sufficiently close crystallographically and chemically to be regarded as one species. However, recent analyses of boron using the ion microprobe and crystal structure refinement, indicate that the boron content of one tetrahedral site in kornerupine ranges from 0 to 1. Kornerupine and prismatine, from their respective type localities of Fiskenaesset, Greenland and Waldheim, Germany, are distinct minerals, members of an isomorphic series differing in boron content. For this reason, we re-introduce Sauer's name prismatine for kornerupines with B > 0.5 atoms per formula unit (p.f.u.) of 22(O,OH,F), and restrict the name kornerupine sensu stricto to kornerupines with B < 0.5 p.f.u. Kornerupine sensu lato is an appropriate group name for kornerupine of unknown boron content. Kornerupine sensu stricto and prismatine from the type localities differ also in Fe2+/Mg ratio, Si - (Mg + Fe2+ + Mn) content, Al content, F content, colour, density, cell parameters, and paragenesis. Both minerals formed under granulite-facies conditions with sapphirine and phlogopite, but kornerupine sensu stricto is associated with anorthite and homblende or gedrite, whereas prismatine is found with oligoclase (An9-13), sillimanite, garnet, and/or tourmaline. Occurrences at other localities suggest that increasing boron content extends the stability range of prismatine relative to that of kornerupine sensu stricto.

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hrsg. vom Präsidium d. Rabbiner-Versammlung

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Münster, Univ., Diss., 1913

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Michael Fraenkel

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[Anton Balthasar König]

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mittgeteilt von Moritz Stern

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von Johann Franz v. Herrmann