TY - JOUR A1 - Mazzola, T. A1 - Hanna, S. A1 - Chang, J. A1 - Bradley, S. A1 - Meris, R. A1 - Simpson, S. A1 - Miner, S. A1 - Gant, S. A1 - Weil, J. A1 - Harper, M. A1 - Nikmo, J. A1 - Kukkonen, J. A1 - Lacome, J.-M. A1 - Nibart, M. A1 - Björnham, O. A1 - Khajehnajafi, S. A1 - Habib, Abdel Karim A1 - Armand, P. A1 - Bauer, T. A1 - Fabbri, L. A1 - Spicer, T. A1 - Ek, N. T1 - Results of comparisons of the predictions of 17 dense gas dispersion models with observations from the Jack Rabbit II chlorine field experiment N2 - The Jack Rabbit II (JR II) chlorine field trials in 2015 and 2016 involved nine 5–20 ton releases of pressurized liquefied chlorine from a tank mounted 1 m above a broad flat desert sand surface. A model comparison study was initiated, where 17 widely-used dense-gas dispersion models were run by scientists in seven countries. Predictions were submitted following specified formats, using specified emissions and meteorology inputs. To compare with the model predictions, sets of observations were defined for the arc-maximum 1–3 s averaged concentrations (arc max C) and for cloud widths and heights (to 20 ppm and 200 ppm contours) at distances from 0.2 to 11.0 km from the release. The initial focus is on the three field trials (1, 6, and 7) that have the highest observed concentrations and that have detailed emissions information. It is found that these models are able to satisfactorily simulate (generally within a factor of two) the observed arc max C’s and their variation with downwind distance at this flat desert site. At each downwind distance, the scatter in the arc max C predictions covers about 1 ½ orders of magnitude, but the observed arc max C is within the range of the predictions. The median of the cloud width predictions is about 50% larger than the observed value for the three trials. The median of the cloud height predictions is within about 10% of the observed value. For both cloud width and/or height, there are a few models with large (factor of 3 or higher) overpredictions. Of the 17 models, when compared to observations, there is a core group of 5 or 6 with consistently (across all three trials and all distances) less mean error and scatter in their predictions of arc max C and cloud width and height. However, as a group, the 17 models are performing adequately (using the “factor of two” rule of thumb). An important caveat is that, at the JR II desert site, chlorine deposition is minimal. At a site with vegetation and/or organic-rich soil, the effects of removal of chlorine by deposition are expected to be significant. KW - Jack rabbit II chlorine field experiment KW - Dense gas dispersion KW - Model evaluation PY - 2021 DO - https://doi.org/10.1016/j.atmosenv.2020.117887 VL - 244 SP - 117887 PB - Elsevier Ltd. CY - Amsterdam AN - OPUS4-51845 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Alder-Rangel, A. A1 - Idnurm, A. A1 - Brand, A. A1 - Brown, A. A1 - Gorbushina, Anna A1 - Kelliher, C. A1 - Campos, C. A1 - Levin, D. A1 - Bell-Pedersen, D. A1 - Dadachova, E. A1 - Bauer, F. A1 - Gadd, G. A1 - Braus, G. A1 - Braga, G. A1 - Brancini, G. A1 - Walker, G. A1 - Druzhinina, I. A1 - Pocsi, I. A1 - Dijksterhuis, J. A1 - Aguirre, J. A1 - Hallsworth, J. A1 - Schumacher, Julia A1 - Ho Wong, K. A1 - Selbmann, L. A1 - Corrochano, L. A1 - Kupiec, M. A1 - Momany, M. A1 - Molin, M. A1 - Requena, N. A1 - Yarden, O. A1 - Cordero, R. A1 - Fischer, R. A1 - Pascon, R. A1 - Mancinelli, R. A1 - Emri, T. A1 - Basso, T. A1 - Rangel, D. T1 - The Third International Symposium on Fungal Stress - ISFUS N2 - Stress is a normal part of life for fungi, which can survive in environments considered inhospitable or hostile for other organisms. Due to the ability of fungi to respond to, survive in, and transform the environment, even under severe stresses, many researchers are exploring the mechanisms that enable fungi to adapt to stress. The International Symposium on Fungal Stress (ISFUS) brings together leading scientists from around the world who research fungal stress. This article discusses presentations given at the third ISFUS, held in Sao Jose dos Campos, Sao Paulo, Brazil in 2019, thereby summarizing the state-of-the-art knowledge on fungal stress, a field that includes microbiology, agriculture, ecology, biotechnology, medicine, and astrobiology. T2 - International Symposium on Fungal Stress (ISFUS) CY - Sao Jose dos Campos, Brazil DA - 20.05.2019 KW - Agricultural mycology KW - Fungal stress mechanisms and responses KW - Industrial mycology KW - Medical mycology PY - 2020 DO - https://doi.org/10.1016/j.funbio.2020.02.007 VL - 124 IS - 5 SP - 235 EP - 252 PB - Elsevier Ltd. AN - OPUS4-50953 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Artzt, K. A1 - Mishurova, Tatiana A1 - Bauer, P.-P. A1 - Gussone, J. A1 - Barriobero-Vila, P. A1 - Evsevleev, Sergei A1 - Bruno, Giovanni A1 - Requena, G. A1 - Haubrich, J. T1 - Pandora’s Box–Influence of Contour Parameters on Roughness and Subsurface Residual Stresses in Laser Powder Bed Fusion of Ti-6Al-4V N2 - The contour scan strategies in laser powder bed fusion (LPBF) of Ti-6Al-4V were studied at the coupon level. These scan strategies determined the surface qualities and subsurface residual stresses. The correlations to these properties were identified for an optimization of the LPBF processing. The surface roughness and the residual stresses in build direction were linked: combining high laser power and high scan velocities with at least two contour lines substantially reduced the surface roughness, expressed by the arithmetic mean height, from values as high as 30 μm to 13 μm, while the residual stresses rose from ~340 to about 800 MPa. At this stress level, manufactured rocket fuel injector components evidenced macroscopic cracking. A scan strategy completing the contour region at 100 W and 1050 mm/s is recommended as a compromise between residual stresses (625 MPa) and surface quality (14.2 μm). The LPBF builds were monitored with an in-line twin-photodiode-based melt pool monitoring (MPM) system, which revealed a correlation between the intensity quotient I2/I1, the surface roughness, and the residual stresses. Thus, this MPM system can provide a predictive estimate of the surface quality of the samples and resulting residual stresses in the material generated during LPBF. KW - Additive manufacturing KW - Ti-6Al-4V KW - Contour scan strategy KW - Surface roughness KW - Melt pool monitoring KW - Residual stress KW - Synchrotron X-ray diffraction PY - 2020 UR - https://nbn-resolving.org/urn:nbn:de:kobv:b43-510585 DO - https://doi.org/10.3390/ma13153348 VL - 13 IS - 15 SP - 3348 AN - OPUS4-51058 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Kautek, Wolfgang A1 - Conradi, Andrea A1 - Sahre, Mario A1 - Fabjan, Ch. A1 - Drobits, J. A1 - Bauer, G. A1 - Schuster, P. T1 - In Situ Investigations of Bromine-Storing Complex Formation in a Zinc-Flow Battery at Gold Electrodes KW - Bromine-storing PY - 1999 SN - 0013-4651 SN - 1945-7111 VL - 146 IS - 9 SP - 3211 EP - 3216 PB - Electrochemical Society CY - Pennington, NJ AN - OPUS4-886 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Bauer, Oswald A1 - Weerts, J. A1 - Vollenbruck, O. T1 - Über Monelmetall und ähnliche Kupfer-Nickel-Legierungen PY - 1933 IS - 16 SP - 246 EP - 247 PB - Springer CY - Berlin AN - OPUS4-28162 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Bauer, Oswald A1 - Beck, F. A1 - Weerts, J. T1 - Die mechanischen Eigenschaften technischer Elektrolytzinkbleche (Original: Metallwirtsch. Bd. 12, S. 615-618, 1933.) PY - 1934 IS - 18 SP - 279 EP - 280 PB - Springer CY - Berlin AN - OPUS4-28209 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Bauer, Oswald A1 - Weerts, J. A1 - Beck, F. T1 - Mechanische Eigenschaften von Elektrolytzinkblechen PY - 1934 IS - 24 SP - 137 EP - 144 PB - Springer CY - Berlin AN - OPUS4-16539 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Bauer, Oswald A1 - Weerts, J. A1 - Beck, F. T1 - Mechanische Eigenschaften von Elektrolytzinkblechen PY - 1933 VL - 12 IS - 43 SP - 615 EP - 619 PB - N.E.M.-Verl. CY - Berlin AN - OPUS4-16540 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Bauer, Oswald A1 - Weerts, J. T1 - Die Eigenschaften von Monel-Metall und ähnlichen Kupfer-Nickellegierungen PY - 1934 IS - 23 SP - 21 EP - 34 PB - Springer CY - Berlin AN - OPUS4-15780 LA - deu AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER - TY - JOUR A1 - Roden, E. A1 - Kappler, A. A1 - Bauer, I. A1 - Jiang, J. A1 - Paul, Andrea A1 - Stoesser, R. A1 - Konishi, H. A1 - Xu, H. T1 - Extracellular electron transfer through microbial reduction of solid-phase humic substances KW - Natural organic-matter KW - Electron-acceptors KW - Reducing bacteria KW - Ferric iron KW - Reduction KW - Acid KW - Groundwater KW - Release KW - Kinetics KW - PH PY - 2010 DO - https://doi.org/10.1038/NGEO870 SN - 1752-0894 SN - 1752-0908 VL - 3 SP - 417 EP - 421 PB - Nature Publishing Group CY - London AN - OPUS4-22345 LA - eng AD - Bundesanstalt fuer Materialforschung und -pruefung (BAM), Berlin, Germany ER -