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Akademický článek

Hydrology as a Driver of Floating River Plastic Transport

Publikováno v: Earth's Future, Vol 10, Iss 8, Pp n/a-n/a (2022)

Abstract Plastic pollution in aquatic ecosystems is a growing threat to ecosystem health and human livelihood. Recent studies show that the majority of environmental plastics accumulate within river systems for years, decades and potentially even lon

Externí odkaz: https://doaj.org/article/52dc66724d9f4a92bfe4ebdec64e665b

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Akademický článek

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Hydrology as driver of floating river plastic transport

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e7fae6fe7d49e87d88b7a8938f3ead5
https://doi.org/10.1002/essoar.10510983.1

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Akademický článek

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Akademický článek

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Refluxgrößen des operierten Magens

Autor: V. Schumpelick, F. Begemann

Publikováno v: DMW - Deutsche Medizinische Wochenschrift. 106:497-500

Postoperative duodenal or jejunogastric reflux of bile acids and lysolecithin was measured in 189 patients with different types of operation for ulcer and in 35 control subjects. After selective proximal vagotomy without pyloroplasty there was a norm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82750e1ba07998e1d01b4884e81ce48b
https://doi.org/10.1055/s-2008-1070344

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Simulation of the interaction of galactic cosmic ray protons with meteoroids: On the production of3H and light noble gas isotopes in isotropically irradiated thick gabbro and iron targets

Autor: Rainer Wieler, F. Begemann, H. W. Weber, Rolf Michel, I. Leya

Publikováno v: Meteoritics & Planetary Science. 39:367-386

Thick spherical targets, one made of gabbro (R = 25 cm) and one made of iron (R = 10 cm), were irradiated isotropically with 1.6 GeV protons at Laboratoire National Saturne (LNS)/Saclay to simulate the interactions of galactic cosmic ray protons with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f0bc6657ac2b1c5a5cfd9c0d9186dd7d
https://doi.org/10.1111/j.1945-5100.2004.tb00099.x

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Call for an improved set of decay constants for geochronological use

Autor: K. W. Min, Paul R. Renne, P. J. Patchett, L. E. Nyquist, G. W. Lugmair, C.-Y. Shih, R. E. Walker, Igor M. Villa, F. Begemann, Kenneth R. Ludwig

Publikováno v: Geochimica et Cosmochimica Acta. 65:111-121

The accuracy of radioisotopic ages is, at present, limited by the accuracy of radioactive decay constants. A literature survey reveals that decay constants used in geo- and cosmochronology usually are assigned uncertainties of ca. 1% but that there a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c55a7f16d8edcf6b0687603ac4c3073d
https://doi.org/10.1016/s0016-7037(00)00512-3

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Light noble gases and cosmogenic radionuclides in Estherville, Budulan, and other mesosiderites: Implications for exposure histories and production rates

Autor: F. Begemann, A. Albrecht, Gregory F. Herzog, Christoph Schnabel, Jacob Klein, Roy Middleton, H. W. Weber, S. Vogt, David Fink, S. Xue

Publikováno v: Meteoritics & Planetary Science. 35:975-986

We report measurements of 26A1, loBe, 41Ca, and 36Cl in the silicate and metal phases of 11 mesosiderites, including several specimens each of Budulan and Estherville, of the brecciated meteorite Bencubbin, and of the iron meteorite Udei Station. Ave

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0741df64c2e9fc4a8b67c5aeb54117fb
https://doi.org/10.1111/j.1945-5100.2000.tb01486.x

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Spallation recoil and age of presolar grains in meteorites

Autor: U. Ott, F. Begemann

Publikováno v: Meteoritics & Planetary Science. 35:53-63

— We have determined the recoil losses from silicon carbide (SiC) grain-size fractions of spallation Ne produced by irradiation with 1.6 GeV protons. During the irradiation, the SiC grains were dispersed in paraffin wax in order to avoid reimplanta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e680c3ee8350e436ffcd7ac5eb1a93f0
https://doi.org/10.1111/j.1945-5100.2000.tb01973.x

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