Výsledky vyhledávání

Ecoprep: la preparación rentable de masas cerámicas

Autor: Stefan Gerl, R. Löbe, M. Müler, P. J. Nold, H. J. Walter, M. Lüders

Publikováno v: Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 51, Iss 2, Pp L-LIII (2012)

Ecoprep (Economic Preparation) is the sustainable technology for preparing ceramic bodies with a minimum consumption of resources. It has a huge impact on the energy balance and eliminates the need for additives to generate a high-quality slip to mak

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42212805f3edd8a3c3929f6fa9114736
https://doi.org/10.3989/cyv.2012.v51.i2.1131

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Shallow vs. deep-water scavenging of and in radionuclide enriched waters of the Atlantic sector of the Southern Ocean

Autor: M. M. Rutgers van der Loeff, H. J. Walter, Walter Geibert, G. Fischer, Ulrich Bathmann

Publikováno v: Deep Sea Research Part I: Oceanographic Research Papers. 48:471-493

The scavenging of 231 Pa and 230 Th was investigated in the Atlantic Sector of the Southern Ocean by combining results from sediment trap and in situ filtration studies. We present the first high-resolution profile of dissolved 230 Th and 231 Pa in s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef67b96176166e0ec15fb86a4faa8120
https://doi.org/10.1016/s0967-0637(00)00046-7

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Provenance and transport of terrigenous sediment in the south Atlantic Ocean and their relations to glacial and interglacial cycles: Nd and Sr isotopic evidence

Autor: Ernst Hegner, Gerhard Kuhn, Bernhard Diekmann, H. J. Walter, M. M. Rutgers van der Loeff

Publikováno v: Geochimica et Cosmochimica Acta. 64:3813-3827

Sr and Nd isotopic compositions of Late Quaternary surface sediment and sediment cores from the south Atlantic and southeast Pacific sectors of the Southern Ocean are used to constrain the provenance and transport mechanisms of their terrigenous comp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bd973424d2a44a41fa5d5e71d4fd593d
https://doi.org/10.1016/s0016-7037(00)00476-2

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Reduced scavenging of in the Weddell Sea: implications for paleoceanographic reconstructions in the South Atlantic

Autor: M. M. Rutgers van der Loeff, Heike Höltzen, Ulrich Bathmann, H. J. Walter

Publikováno v: Deep Sea Research Part I: Oceanographic Research Papers. 47:1369-1387

The scavenging of 230 Th and 231 Pa was investigated in the central Weddell Sea by combining results from a sediment trap and three sediment cores. Scavenging of both radionuclides is closely coupled with the annual cycle of particle fluxes. For 230

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87aedbfdafe5de79e5776edaba4a68ba
https://doi.org/10.1016/s0967-0637(99)00094-1

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Spatial and Temporal Changes in the Insulin-Like Growth Factor (IGF) Axis Indicate Autocrine/Paracrine Actions of IGF-I within Wounds of the Rat Brain*

Autor: David J. Hill, Ann Logan, Martin Berry, H. J. Walter

Publikováno v: Endocrinology. 138:3024-3034

A precise role for insulin-like growth factors (IGFs), IGF-binding proteins (IGFBPs), and IGF-receptors (IGF-Rs) in damaged central nervous system (CNS) tissue has not been elucidated, although their expression in the ischemic brain has been demonstr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66d26c44352352353292695532446dba
https://doi.org/10.1210/endo.138.7.5284

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Enhanced scavenging of 231Pa relative to 230Th in the South Atlantic south of the Polar Front: Implications for the use of the 231Pa/230Th ratio as a paleoproductivity proxy

Autor: M. M. Rutgers van der Loeff, H. J. Walter, H Hoeltzen

Publikováno v: Earth and Planetary Science Letters. 149:85-100

The fractionation of 230Th and 231Pa was investigated throughout the Atlantic sector of the Southern Ocean. Published scavenging models generally assume that the 231Pa/230T ratio of surface sediments is primarily determined by the mass flux of partic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e02a364bece379ef6e3d8a776fe396e
https://doi.org/10.1016/s0012-821x(97)00068-x

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Pb-Sr-Nd isotopic compositions and trace element geochemistry of megacrysts and melilitites from the Tertiary Urach volcanic field: source composition of small volume melts under SW Germany

Autor: H. J. Walter, Ernst Hegner, Muharrem Satir

Publikováno v: Contributions to Mineralogy and Petrology. 122:322-335

The Urach volcanic field is unique within the Tertiary–Quaternary European volcanic province (EVP) due to more than 350 tuffaceous diatremes and only sixteen localities with extremely undersaturated olivine melilitite. We report representative Pb-S

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ab194359a86a53457b79e95c9a7f5688
https://doi.org/10.1007/s004100050131

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