1000 resultados para Eggert Ólafsson, 1726-1768.


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Edited and published by E. Jónsson, Th. Sæmundsson, and S. Thorarensen.

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I̲ṉ Phillips, R., pub. Collection of modern and contemporary voyages and travels. 1805-10. 22 cm. v.2

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Leather top-bound volume containing notes kept by Solomon Prentice on sermons he attended between April 1724 and December 17, 1726, while he was an undergraduate at Harvard College. The volume contains one-to-two page entries on specific sermons and provides the biblical text and related questions and conclusions.

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To reconstruct oceanographic variations in the subtropical South Pacific, 271-year long subseasonal time series of Sr/Ca and delta(18)O were generated from a coral growing at Rarotonga (21.5degreesS, 159.5degreesW). In this case, coral Sr/Ca appears to be an excellent proxy for sea surface temperature (SST) and coral delta(18)O is a function of both SST and seawater delta(18)O composition (delta(18)O(sw)). Here, we focus on extracting the delta(18)O(sw) signal from these proxy records. A method is presented assuming that coral Sr/Ca is solely a function of SST and that coral delta(18)O is a function of both SST and delta(18)O(sw). This method separates the effects of delta(18)O(sw) from SST by breaking the instantaneous changes of coral delta(18)O into separate contributions by instantaneous SST and delta(18)O(sw) changes, respectively. The results show that on average delta(18)O(sw) at Rarotonga explains similar to39% of the variance in delta(18)O and that variations in SST explains the remaining similar to61% of delta(18)O variance. Reconstructed delta(18)O(sw) shows systematic increases in summer months (December-February) consistent with the regional pattern of variations in precipitation and evaporation. The delta(18)O(sw) also shows a positive linear correlation with satellite-derived estimated salinity for the period 1980 to 1997 (r = 0.72). This linear correlation between reconstructed delta(18)O(sw) and salinity makes it possible to use the reconstructed delta(18)O(sw) to estimate the past interannual and decadal salinity changes in this region. Comparisons of coral delta(18)O and delta(18)O(sw) at Rarotonga with the Pacific decadal oscillation index suggest that the decadal and interdecadal salinity and SST variability at Rarotonga appears to be related to basin-scale decadal variability in the Pacific. Copyright (C) 2002 Elsevier Science Ltd.

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Thirty-two patients bitten by venomous snakes sixteen by Bothrops spp. and sixteen by Crotalus durissus terrificus were studied. The group comprised thirty males and two females, aged eight to sixty-three years (mean 33±15). Bromsulphalein tests were increased in the majority of patients bitten by Crotalus durissus terrificus. The correlation coefficient of Spearman was positive between bromsulphalein tests and alanine aminotransferase levels, and between alanine aminotransferase and aspartate aminotransferase levels only in the Crotalus group. The only patient who died was bitten by Crotalus durissus terrificus and showed hydropic degeneration and mitochondrial injury in the liver. It was concluded that the hepatic damage might have been caused by at least two possible mechanisms: venom effect on liver mitochondria and cytokine effects on hepatocyte, specially interleukin-6.

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En aquest treball s’analitza la introducció d’abreviatures en el Diccionario de la Real Academia Española, especialment les relacionades amb el lèxic específic, en la 1ª edició d’Autoridades (1726), en la incompleta 2ª edició d’Autoridades (1770) i en la 1ª ed. del DRAE (1780). Després de l’anàlisi, es manifesta la modernitat de la 2ª edició d’Autoridades (1770), ja que institucionalitza un sistema amb abreviatures diatècniques que arriba fins ara i influeix en nombrosos diccionaris. A més a més, es comprova que la 1ª ed. del DRAE (1780) consolida i amplia aquest recurs.