973 resultados para Solon, ca. 630 B.C.-ca. 560 B.C.
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von Teleman[n]. [Textverf.: Gottfried Simonis]
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Boberach: Die Reichsverfassung soll die Menschenrechte garantieren und die Pflichten der Staatsbürger regeln. Republikanische Prinzipien sollen für die Gemeinden, die Kreise, die Staaten und das Reich gelten, das aus 19 Gliedstaaten bestehen soll. Als Organe sind vorgesehen: Reichstag (Oberhaus und Unterhaus), Reichsrat, Reichsobmann, der von den Landtagen gewählt wird, Reichsgericht mit Laienmehrheit, Heerwesen, Steuerangelegenheiten, Kirchen- und Schulwesen sind den Gemeinden zu überlassen. Eine allgemeine Einkommensteuer soll die Landesbedürfnisse, eine Luxussteuer soll Gemeinden und Kreise, Zölle auf Luxuswaren und ausländische Produkte die Ausgaben des Reiches finanzieren
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This study presents static measurements of the Ca isotopic composition of standard reference materials SRM 915 a/b on a Triton Plus™ thermal ionization mass spectrometer with a specially developed Faraday cup array allowing simultaneous measurement of 40Ca and 48Ca. The total amount of Ca in all analyses was kept < 1 µg. With this setup the measurement uncertainties were 0.06 ‰ for 40Ca/44Ca and 0.12 ‰ for 48Ca/40Ca. Measuring all isotopes simultaneously better allows to test the internal consistency of different Ca isotope abundances reported in the literature. The exponential law was observed to correct incompletely instrumental mass fractionation. An improved fractionation correction based on the exponential law is proposed. It changes the 40Ca/44Ca ratio of SRM 915a (corrected relative to 42Ca/44Ca = 0.31221; 48Ca/44Ca = 0.08871) from 47.1635 ± 0.0028 to 47.1649 ± 0.0047. The measurements of SRM 915b were performed with different analytical conditions (runs were prolonged till complete filament load depletion). Even if the 40Ca/44Ca ratio of SRM 915b, when corrected with the simple exponential law, appears different (47.1532 ± 0.0038) from that of SRM 915a, it becomes coincident (47.1613 ± 0.0028) when corrected with a second-order refinement. This supports the use of the improved exponential law to obtain internally consistent Ca isotope ratio for natural samples.
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Welsch (Projektbearbeiter): Petition an die Preußische Nationalversammlung, den Kämpfern des 18. und 19. März 1848 den Dank des preußischen Volkes auszusprechen, für die Invaliden und Hinterbliebenen jener Tage zu sorgen, den Gefallenen ein Denkmal zu errichten und die fraglichen Tage zu politischen Feiertagen zu erklären
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Der natürliche Verlauf einer HepatitisB-Virus(HBV)-Infektion ist komplex und wird einerseits durch das Alter zum Zeitpunkt der Infektion, anderseits durch Komorbiditäten bzw. Koinfektionen und zum Teil noch nicht identifizierte Faktoren bestimmt. Das HBV wird nie komplett eliminiert. Das Erreichen des inaktiven Trägerstatus ist aber ein realistisches Therapieziel. Zur Therapie stehen Nukleosid/NukleotidAnaloga sowie pegyliertes Interferonalpha zur Verfügung. Screening von bestimmten Patientengruppen und eine generelle Impfung sind wichtige prophylaktische Massnahmen. Die chronische Hepatitis-C-Virus(HCV) -Infektion führt in circa einem Drittel der Fälle zur Leberzirrhose. Eine Therapie ist generell ab Fibrosestadium Metavir 2 indiziert. Neue DAA (directly acting antivirals) erlauben kurzfristige, hochpotente und nebenwirkungsarme Therapieschemata.
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The oxygen isotopic composition and Mg/Ca ratios in the skeletons of long-lived coralline algae record ambient seawater temperature over time. Similarly, the carbon isotopic composition in the skeletons record delta(13)C values of ambient seawater dissolved inorganic carbon. Here, we measured delta(13)C in the coralline alga Clathromorphum nereostratum to test the feasibility of reconstructing the intrusion of anthropogenic CO(2) into the northern North Pacific Ocean and Bering Sea. The delta(13)C was measured in the high Mgcalcite skeleton of three C. nereostratum specimens from two islands 500 km apart in the Aleutian archipelago. In the records spanning 1887 to 2003, the average decadal rate of decline in delta(13)C values increased from 0.03% yr(-1) in the 1960s to 0.095% yr(-1) in the 1990s, which was higher than expected due to solely the delta(13)C-Suess effect. Deeper water in this region exhibits higher concentrations of CO(2) and low delta(13)C values. Transport of deeper water into surface water (i.e., upwelling) increases when the Aleutian Low is intensified. We hypothesized that the acceleration of the delta(13)C decline may result from increased upwelling from the 1960s to 1990s, which in turn was driven by increased intensity of the Aleutian Low. Detrended delta(13)C records also varied on 4-7 year and bidecadal timescales supporting an atmospheric teleconnection of tropical climate patterns to the northern North Pacific Ocean and Bering Sea manifested as changes in upwelling.
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Arctic Ocean freshening can exert a controlling influence on global climate, triggering strong feedbacks on ocean-atmospheric processes and affecting the global cycling of the world's oceans. Glacier-fed ocean currents such as the Alaska Coastal Current are important sources of freshwater for the Bering Sea shelf, and may also influence the Arctic Ocean freshwater budget. Instrumental data indicate a multiyear freshening episode of the Alaska Coastal Current in the early 21st century. It is uncertain whether this freshening is part of natural multidecadal climate variability or a unique feature of anthropogenically induced warming. In order to answer this, a better understanding of past variations in the Alaska Coastal Current is needed. However, continuous long-term high-resolution observations of the Alaska Coastal Current have only been available for the last 2 decades. In this study, specimens of the long-lived crustose coralline alga Clathromorphum nereostratum were collected within the pathway of the Alaska Coastal Current and utilized as archives of past temperature and salinity. Results indicate that coralline algal Mg/Ca ratios provide a 60 year record of sea surface temperatures and track changes of the Pacific Decadal Oscillation, a pattern of decadal-to-multidecadal ocean-atmosphere climate variability centered over the North Pacific. Algal Ba/Ca ratios (used as indicators of coastal freshwater runoff) are inversely correlated to instrumentally measured Alaska Coastal Current salinity and record the period of freshening from 2001 to 2006. Similar multiyear freshening events are not evident in the earlier portion of the 60 year Ba/Ca record. This suggests that the 21st century freshening of the Alaska Coastal Current is a unique feature related to increasing glacial melt and precipitation on mainland Alaska.
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Wilhelm Bacher
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Wilhelm Bacher
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von Telemann. [Textdichter: Gottfried Simonis]
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N. W.
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di Telemann