974 resultados para Z-R relation
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Welsch (Projektbearbeiter): Bewilligung der böhmischen Märzforderungen: Gleichberechtigung der tschechischen mit der deutschen Sprache in Verwaltung und Unterricht, Einberufung einer Volksvertretung auf breiter Grundlage (aktives Wahlrecht 25, passives 30 Jahre), Einrichtung einer verantwortlichen Zentralbehörde in Prag. Des weiteren: Völlige, jedoch nicht entschädigungslose Aufhebung des Robots (Frondienst), Gewährung der Judenemanzipation, der Presse- und persönlichen Freiheit sowie des Petitionsrechts, Besetzung der Ämter und Gerichte nur mit zweisprachigen Beamten, Bewilligung einer böhmischen Nationalgarde. Inaussichtstellung der Aufhebung der Patrimonialgerichtsbarkeit; die geforderte Vereinigung der Länder Böhmen, Mähren und Österreichisch-Schlesien soll auf dem kommenden Reichstag erörtert werden
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We study the relationship between age, metallicity, and α-enhancement of FGK stars in the Galactic disk. The results are based upon the analysis of high-resolution UVES spectra from the Gaia-ESO large stellar survey. We explore the limitations of the observed dataset, i.e. the accuracy of stellar parameters and the selection effects that are caused by the photometric target preselection. We find that the colour and magnitude cuts in the survey suppress old metal-rich stars and young metal-poor stars. This suppression may be as high as 97% in some regions of the age-metallicity relationship. The dataset consists of 144 stars with a wide range of ages from 0.5 Gyr to 13.5 Gyr, Galactocentric distances from 6 kpcto 9.5 kpc, and vertical distances from the plane 0 < |Z| < 1.5 kpc. On this basis, we find that i) the observed age-metallicity relation is nearly flat in the range of ages between 0 Gyr and 8 Gyr; ii) at ages older than 9 Gyr, we see a decrease in [Fe/H] and a clear absence of metal-rich stars; this cannot be explained by the survey selection functions; iii) there is a significant scatter of [Fe/H] at any age; and iv) [Mg/Fe] increases with age, but the dispersion of [Mg/Fe] at ages >9 Gyr is not as small as advocated by some other studies. In agreement with earlier work, we find that radial abundance gradients change as a function of vertical distance from the plane. The [Mg/Fe] gradient steepens and becomes negative. In addition, we show that the inner disk is not only more α-rich compared to the outer disk, but also older, as traced independently by the ages and Mg abundances of stars.
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athar M. M. al-Ramzī.
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taʼlīf Nūr al-Dīn Abī al-Ḥasan ʻAlī ibn Yūsuf Abī Faḍl al-Shaṭnūbī. Wa-bi-hāmishihi Kitāb Riyāḍ al-basātīn fī akhbār al-Shaykh ʻAbd al-Qādir al-Jīlī Muḥyī al-Dīn taʼlīf Muḥammad al-Amīn al-Kīlānī al-Tūnisī.
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Unbound.
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Written in several hands, in one column, from 17 to 25 lines per page, in black ink, framed within double red lines.
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Title from fol. 1r.
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1498.
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Written in one column, from 17 to 21 lines per pages, in black rubricated in red, in several hands.
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Bound with: Ḥāwāshī Sharḥ Qāḍīʻzādah al-Rūmī ʻalá al-Jaghmīnī / Faṣīḥ al-Dīn ibn ʻAbd al-Karīm al-Niẓāmī.
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Unbound.
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Bound with: Risālah / ʻĪsá ibn Muḥammad ibn Nūr.
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Copy completed on 16 Jumād[á] al-Thānī 1336 [March 29, 1918] from a copy dated 16 Rabīʻ al-Awwal 1323 [May 21, 1905].
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بسم الله الرحمن الرحيم وصلى الله على سيدنا ومولانا محمد وآله حدايق الازهار النددية في التعريف باهل الزاوية ... :Incipit