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Publikováno v:
Environmental Science & Technology. 44:5509-5515
The accumulation rates of atmospheric Pb and Ti were obtained using the production rates of Sphagnum mosses collected in four ombrotrophic bogs from two regions of southern Germany: Upper Bavaria (Oberbayern, OB) and the Northern Black Forest (Nordsc
Autor:
H. Kempter, Burkhard Frenzel
Publikováno v:
Water, Air, and Soil Pollution. 121:93-108
Chemical analyses of dated ombrotrophicpeat cores from the Sonnenberger Moor, Harz, Germany,were done to determine the effect of early mining andsmelting on the tropospheric aerosol. Elementalconcentrations in peat were determined using XRF. Pb,Cu an
Autor:
H. Kempter, Burkhard Frenzel
Publikováno v:
Science of The Total Environment. 241:117-128
Geochemical analyses of dated ombrotrophic peat cores from the Strohner Marchen and the nearby Durre Maar, Eifel, Germany, were undertaken to identify the impact of the long local history of land reclamation and exploitation going back to the Neolith
Publikováno v:
Water, Air, and Soil Pollution. 100:367-377
Chemical and physical analyses of dated ombrotrophic peat cores from 8 European regions were undertaken to determine the effect of forest clearances, farming, mining and smelting on the composition of atmospheric aerosols. Elemental concentrations in
Publikováno v:
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 139:285-289
Intravenous digital subtraction angiography has been employed to examine arteries in 600 patients. Conventional angiography was used in 41 cases where insufficient DSA was made, or as definitive preoperative investigation. In 88% the digital subtract
Publikováno v:
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 139:290-295
Intravenous digital subtraction angiography (DSA) was obtained in 55 cases after reconstructive procedures of the carotid arteries, the pelvic and lower limb arteries. In 48 cases (87%) the studies were of technically satisfactory or good quality. On
Autor:
H. Kempter, E. Klein
Publikováno v:
Zeitschrift f�r Physik A: Atoms and Nuclei. 281:341-346
Using the method ofγ-detection, the NMR in the metastable 40 keV-state of103Rh in Fe (thin foils with diffused103Pd activity) was measured in external fields of 0.5 to 14 kG. We find a zero-field resonance frequency ofv0=(550.3±0.5) MHz and a slope
Publikováno v:
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren. 141:140-144
In 110 patients with signs of cerebral infarct computed tomography (CT) and intravenous digital subtraction angiography (DSA) were performed. With DSA 63 arterial wall lesions could be seen, in CT 27 infarcts were found. In 9 examinations DSA was not