963 resultados para 2,4-DICHLOROPHENOXYACETIC ACID 2,4-D
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Purpose: To compare the manifest refractive cylinder (MRC) predictability of myopic astigmatism laser in situ keratomileusis (LASIK) between eyes with low and high ocular residual astigmatism (ORA). Setting: London Vision Clinic, London, United Kingdom. Design: Retrospective case study. Methods: The ORA was considered the vector difference between the MRC and the corneal astigmatism. The index of success (IoS), difference vector ÷ MRC, was analyzed for different groups as follows: stage 1, low ORA (ORA ÷ MRC <1), high ORA (ORA ÷ MRC ≥1); stage 2, low ORA group reduced to match the high ORA group for MRC; stage 3, grouped by ORA magnitude with low ORA (<0.50 diopters [D]), mid ORA (0.50 to 1.24 D), and high ORA (≥1.25 D); stage 4, high ORA group subdivided into low (<0.75 D) and high (≥0.75 D) corneal astigmatism. Results: For stage 1, the mean preoperative MRC and mean IoS were −1.32 D ± 0.65 (SD) (range −0.55 to −3.77 D) and 0.27, respectively, for low ORA and −0.79 ± 0.20 D (range −0.56 to −2.05 D) and 0.37, respectively, for high ORA. For stage 2, the mean IoS increased to 0.32 for low ORA. For stage 3, the mean IoS was 0.28, 0.29, and 0.31 for low ORA, mid ORA, and high ORA, respectively. For stage 4, the mean IoS was 0.20 for high ORA/low corneal astigmatism and 0.35 for high ORA/high corneal astigmatism. Conclusions: The MRC predictability was slightly worse in eyes with high ORA when grouped by the ORA ÷ MRC. Matching for the MRC and grouping by ORA magnitude resulted in similar predictability; however, eyes with high ORA and high corneal astigmatism were less predictable.
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The circulation and internal structure of the oceans exert a strong influence on Earth's climate because they control latitudinal heat transport and the segregation of carbon between the atmosphere and the abyss (Sigman et al., 2010, doi:10.1038/nature09149). Circulation change, particularly in the Atlantic Ocean, is widely suggested (Bartoli et al., 2005, doi:10.1016/j.epsl.2005.06.020; Haug and Tiedemann, 1998, doi:10.1038/31447; Woodard et al., 2014, doi:10.1126/science.1255586; McKay et al., 2012, doi:10.1073/pnas.1112248109) to have been instrumental in the intensification of Northern Hemisphere glaciation when large ice sheets first developed on North America and Eurasia during the late Pliocene, approximately 2.7 million years ago (Bailey et al., 2013, doi:10.1016/j.quascirev.2013.06.004). Yet the mechanistic link and cause/effect relationship between ocean circulation and glaciation are debated. Here we present new records of North Atlantic Ocean structure using the carbon and neodymium isotopic composition of marine sediments recording deep water for both the Last Glacial to Holocene (35-5 thousand years ago) and the late Pliocene to earliest Pleistocene (3.3-2.4 million years ago). Our data show no secular change. Instead we document major southern-sourced water incursions into the deep North Atlantic during prominent glacials from 2.7 million years ago. Our results suggest that Atlantic circulation acts as a positive feedback rather than as an underlying cause of late Pliocene Northern Hemisphere glaciation. We propose that, once surface Southern Ocean stratification (Sigman, et al., 2004, doi:10.1038/nature02357) and/or extensive sea-ice cover (McKay et al., 2012, doi:10.1073/pnas.1112248109) was established, cold-stage expansions of southern-sourced water such as those documented here enhanced carbon dioxide storage in the deep ocean, helping to increase the amplitude of glacial cycles.
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v. 1 has subtitle: Les origines du romantisme.
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Vol. 4 of this edition wanting in L.C.
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Imprint varies: v. 1-2, 4, 6-8 and 10, Leipzig, B. Schott, 1903-1914.--v. 3, 5 and 9, Paris, A. Durand, 1901-09.
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Pl. no.: E.E. 3617, 3621, 3608, 3613.
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Includes alternative parts for violin and violoncello.
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II. Verzeichnis der Druckausgaben und thematischer Katalog der Mannheimer Kammermusik des 18. Jahrhunderts. Musiktext (II. Teil: Trios und Duos (ohne Klavier und mit obligatem Klavier)) Richter, F. X. Klaviertrio nr. 6, G moll. Stamitz, Johann. Triosonate, Es dur. Sonata da camera op. 6 IV, A dur. Toeschi, Joseph. Klaviertrio nr. 4, G dur. Filtz, Anton. Streichtrio op. 3 II. A dur. Klaviertrio op. 4 III. C dur. Eichner, Ernst. Klaviertrio op. 1 III, C moll; op. 2 nr. I, A dur. Sterkel, F. X. Violinsonate op. 18 II, G dur. Cramer, Wilhelm. Streichtrio op. 3 II, B dur. Stamitz, Karl. Streichtrio op. 2 I, B dur. Sonata par la viola d'amore e basso. Edelmann, J. F. Klavier-Violin-Sonate op. 2 I, C moll; op. 4 III, F moll. Stamitz, Anton. Streichtrio op. 4 I, Es dur. Stamitz, Karl. Orchesterquartett op. 4 I, C dur.
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Vol. 1-4 pub. by J. S. Valenzuela; v. 5 by R. Jover.
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Title varies slightly.
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Arranged for piano solo.
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Contiene: Vol. 1 : A B - Vol. 2 : C D E F - Vol. 3 : G H I K L M N O - Vol. 4 : P Q R S T U X Y Z
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Mode of access: Internet.
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Contiene : Vol. 1, A-B - Vol. 2, B-C - Vol. 3, C - Vol. 4, D-E - Vol. 7, M-O - Vol. 9, P-S - Vol. 10, S-T.