990 resultados para Jeune âge adulte
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par G. B. Depping
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[Verf. Albert Cohn]
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par Isidore Loeb
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Depuis que les glaciers fondent, la glace libère des objets hautement intéressants. C’est ainsi qu’en été 2003 une promeneuse a ramassé un objet qui a été remis au Service archéologique du canton de Berne. La datation au C14 révéla qu’il s’agit d’un fragment de carquois en écorce de bouleau datant du Néolithique Final. Depuis l’été 2004, le Service archéologique du canton de Berne étudie le site du Schnidejoch,un col situé à 2756 mètres d’altitude entre l’Oberland bernois et le Valais, et a ainsi pu récolter plus de 300 objets . L’éventail des objets découverts s’étend de bouts de vêtements préhistoriques en cuir et raphia à des épingles en bronze et des clous de souliers romains en passant par un carquois et des flèches. Les découvertes du Schnidejoch sont les plus anciennes du genre jamais faites dans les Alpes.
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D. S. Blondheim
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selected and ed. by Israel Abrahams
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A natural smoky quartz crystal from Shandong province, China, was characterised by laser ablation ICP-MS, electron probe microanalysis (EPMA) and solution ICP-MS to determine the concentration of twenty-four trace and ultra trace elements. Our main focus was on Ti quantification because of the increased use of this element for titanium in- quartz (TitaniQ) thermobarometry. Pieces of a uniform growth zone of 9 mm thickness within the quartz crystal were analysed in four different LA-ICP-MS laboratories, three EPMA laboratories and one solution-ICP-MS laboratory. The results reveal reproducible concentrations of Ti (57 ± 4 lg g-1),Al (154 ± 15 lg g-1), Li (30 ± 2 lg g-1), Fe (2.2 ± 0.3 lg g-1), Mn (0.34 ± 0.04 lg g-1), Ge (1.7 ± 0.2 lg g-1) and Ga (0.020 ± 0.002 lg g-1) and detectable, but less reproducible, concentrations of Be, B, Na, Cu, Zr, Sn and Pb. oncentrations of K, Ca, Sr, Mo, Ag, Sb, Ba and Au were below the limits of detection of all three techniques. The uncertainties on the average concentration determinations by multiple techniques and laboratories for Ti, Al, Li, Fe, Mn, Ga and Ge are low; hence, this quartz can serve as a reference material or a secondary reference material for microanalytical applications involving the quantification of trace elements in quartz.
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Digitalisat der Ausg. [S.l.], 1718/19
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Digitalisat der Ausg. Hanau, [1709/10]
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The aim of this article is to provide guidance to family doctors on how to tutor students about effective screening and primary prevention. Family doctors know their patients and adapt national and international guidelines to their specific context, risk profile, sex and age as well as to the prevalence of the disorders under consideration. Three cases are presented to illustrate guideline use according to the level of evidence (for a 19-year-old man, a 60-year-old woman, and an 80-year-old man). A particular strength of family medicine is that doctors see their patients over the years. Thus they can progressively go through the various prevention strategies, screening, counselling and immunisation, accompanying their patients with precious advice for their health throughout their lifetime.
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wol fer ṭaiṭšṭ ...[Seligman Ulma Guenzburg]
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[Jakob Ben-Jeremja Mattitjahu]
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mē'ētî Šemû'ēl Qann