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448 results:
  • 201. 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.  
  • 202. 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  
  • 203. glasfasern.pdf  
    Date: 23.07.2014
    Percental score: 1 %
    Auf 19 Stellen genau messen – Präzisionsexperimente mit Glasfasern Gesine Grosche, AG 4.34 „Frequenzübertragung mit Glasfasern“, PTB Braunschweig; -Artikel für die Werner-von-Siemens-Ring –Stiftung,  
  • 204. Grazing incidence X-Ray Fluorescence (GIXRF)  
    Date: 02.10.2018
    Percental score: 13 %
    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)  
  • 205. Hannover trade fair 2021  
    Date: 08.04.2021
    Percental score: 7 %
    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,  
  • 206. 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,  
  • 207. 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  
  • 208. 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  
  • 209. 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  
  • 210. 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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