987 resultados para 202-1232


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We generated preliminary downcore records of total organic carbon content, calcium carbonate, long-chain n-alkane concentration, total alkenone concentration, and alkenone-based sea-surface temperature for samples from the easternmost flank of Nazca Ridge (Site 1237) and the eastern crest of Carnegie Ridge (Site 1239). Total organic carbon and long-chain n-alkane concentrations will be used to evaluate terrestrial sediment sources. Downcore records of alkenone sea-surface temperature will benefit studies of paleoceanography of the southeastern Pacific. Since these sites are located under the influence of major tectonic events, such as the uplift of the Andes Mountains and the closure of the Isthmus of Panama, the records will help us to examine the effects of the tectonic events on the oceanic environment.

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Mode of access: Internet.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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National Highway Traffic Safety Administration, Washington, D.C.

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pt.1.Florida.--pt.1A.Florida.--pt.2.Federal communications, etc.--pt.3.Black market operations.--pt.4.Missouri.--pt.4A.Missouri.--pt.5.Illinois.--pt.6.Ohio-Kentucky.--pt.7.New York-New Jersey.--pt.8.Louisiana.--pt.9.Michigan.--pt.10.Nevada-California.--pt.11.Pennsylvania.--pt.12.U.S.Treasury dept.,etc.--pt.13.Miscellaneous witnesses.--pt.14.Narcotics.--pt.15.Kentucky.--pt.16.Florida.--pt.17.Maryland and District of Columbia.--pt.18.New York and New Jersey.--pt.19.Pennsylvania.

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51. bis 100. tausend.