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378 results:
151. Gear calibrations using scanning mode  
Date: 06.07.2021
Percental score: 5 %
In order to achieve the smallest possible measurement uncertainty in the traceability of gear measurement quantities, the gears on coordinate measuring machines were previously calibrated in  
152. Generation of 5 mA DC bismuth current  
Date: 03.12.2004
Percental score: 6 %
In the ion accumulation experiment aimed at linking the atomic mass unit up with the kilogram, a new ion source has been implemented to generate a bismuth ion beam and accumu-late the bismuth ions.  
153. GIXRF  
Date: 16.01.2020
Percental score: 6 %
GIXRF In X-ray fluorescence analysis, electrons from inner atomic shells are excited by incident X-ray photons. The subsequent decay of these excited states leads to the emission of element-specific  
154. Grazing incidence X-Ray Fluorescence (GIXRF)  
Date: 02.10.2018
Percental score: 14 %
Grazing incidence X-Ray Fluorescence (GIXRF) Dr. Burkhard Beckhoff Physikalisch-Technische Bundesanstalt 7.24 Röntgenspektrometrie Abbestraße 2–12 10587 Berlin burkhard.beckhoff@ptb.de (030)  
155. Hannover trade fair 2021  
Date: 08.04.2021
Percental score: 8 %
PTB at the (digital) Hanover trade fair: 12th -16th April In the future, PTB will offer a digital workflow for its numerous metrological services. It is based on an electronic customer portal,  
156. Helmholtz Prize 2014  
Date: 04.12.2018
Percental score: 9 %
With the Helmholtz Prize, outstanding scientific and technical research work in the field of metrology has been honoured since 1973. It is awarded in the field of precision measurements in physics,  
157. Helmholtz Prize for the "new" ampere  
Date: 31.03.2014
Percental score: 4 %
[ptb/es] Quantum standards for the electrical units the volt and the ohm have been available for more than two decades. However, for the electrical base unit of the international system of units  
158. Helmholtz Symposium with the awarding of the Helmholtz Prize  
Date: 04.12.2018
Percental score: 10 %
24 June 2014, Haus der Wissenschaft, Braunschweig. Lectures: (in German) Röntgen – A discovery that changed the world (Uwe Busch, Deutsches Röntgen-Museum, Remscheid) Research with synchrotron  
159. Helmut Fischer Poster Prize  
Date: 03.12.2015
Percental score: 16 %
Matthias Müller, a research assistant with Working Group 7.24 "X-ray and IR Spectrometry", and Claudia Zech, a doctoral candidate in the same working group, were awarded the Helmut  
160. HF electromagnetic fields, EMC - Antennas - Terahertz  
Date: 12.05.2021
Percental score: 4 %
Publications until 2020   J. Ornik, J. Lehr, M. Reuter, D. Jahn, F. Felipe-Mejia, J. C. Balzer, T. Kleine-Ostmann, and M. Koch Repeatability of material parameter extraction of liquids from  
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