Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Utz Kramar"'
Autor:
Thorsten Streibel, Utz Kramar, Bernhard Michalke, Stefan Norra, Rongrong Shen, Stefan Emeis, Longyi Shao, Jürgen Schnelle-Kreis, Klaus Schäfer, Gülcin Abbaszade, Ralf Zimmermann
Publikováno v:
Atmospheric Pollution Research. 9:627-633
Haze pollution by anthropogenic emitted particles is a frequent challenge for Beijing air quality in addition to the well-known dust storm events. Man-made air pollution is able to cause hazy conditions reducing the sight range. Since those air quali
Publikováno v:
Applied Geochemistry. 77:4-14
Worldwide, West-Bengal is one of the areas most affected by elevated levels of arsenic in groundwater (50-3000 mu g/l). This groundwater does not only endanger humans owing to its use as drinking water. More and above that, irrigation of rice paddies
Autor:
Jürgen Schnelle-Kreis, Hans Peter Schmid, Mathieu Fricker, Klaus Schäfer, B. Michalke, Stefan Emeis, Ralf Zimmermann, Stefan Norra, Yuan Chen, Gülcin Abbaszade, Longyi Shao, Thorsten Streibel, Utz Kramar, Rongrong Shen
Publikováno v:
Atmos. Pollut. Res. 7, 235-248 (2016)
Daily mass concentrations and chemical compositions (elemental carbon, organic carbon, water soluble ions, chemical elements and organic species) of PM were measured continuously in Beijing for one year from June 2010 to June 2011 (365 samples). The
Publikováno v:
Applied Catalysis B: Environmental. 182:550-561
This work focuses on the deactivation and in-situ regeneration effects of a commercial PdO/Al2O3 catalyst for removal of oxygen by oxidation of CH4 at low O2:CH4 ratios when hydrogen sulfide and sulfur dioxide are applied to the gas stream. The exper
Publikováno v:
Geochemistry. 75:261-270
The aim of this study was to investigate the accumulation of arsenic (As) in and on roots of Zea mays (maize) and Helianthus annuus (sunflower) by means of synchrotron-based micro-focused X-ray fluorescence imaging (μ-XRF). Plant and soil samples we
Reactivity of the calcite–water-interface, from molecular scale processes to geochemical engineering
Autor:
Harald S. Müller, Christopher Pust, Uwe Fischer, Michael Haist, Jan Stelling, Dirk Bosbach, Jörg-Detlef Eckhardt, Björn Winkler, Marijan Vučak, Jens Glowacky, Steffen Loos, Marko Ukrainczyk, Thomas Neumann, Victor L. Vinograd, Frank Heberling, Thorsten Schäfer, Utz Kramar
Publikováno v:
Applied Geochemistry. 45:158-190
Surface reactions on calcite play an important role in geochemical and environmental systems, as well as many areas of industry. In this review, we present investigations of calcite that were performed in the frame of the joint research project “RE
Publikováno v:
Meteoritics & Planetary Science. 49:750-771
We combined high-resolution and space-resolved elemental distribution with investigations of magnetic minerals across Fe,Ni-alloy and troilite interfaces for two nonmagmatic (Morasko and Mundrabilla) IAB group iron meteorites and an octahedrite found
Publikováno v:
Neues Jahrbuch für Mineralogie - Abhandlungen. 191:145-156
Autor:
F. Viera-Décida, Javier Castro-Larragoitia, E. G. García-González, M. G. Monroy-Fernández, Utz Kramar
Publikováno v:
Environmental Earth Sciences. 69:1915-1929
The Cu–Au rich ores of the Concepcion del Oro mining district, located on the semi-arid Mexican Altiplano, have been mined for over 400 years. The residues of these activities were piled on the banks of the main stream that drains the area. The tai
Publikováno v:
Sedimentology. 60:548-573
Authigenic pyrite grains from a section of the Lower Toarcian Posidonia Shale were analysed for their trace-element contents and sulphur-isotope compositions. The resulting data are used to evaluate the relationship between depositional conditions an