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376 results:
  • 81. New facility for the combined generation of force and torque  
    Date: 05.10.2012
    Percental score: 11 %
    After a complex planning phase, the implementation of a machine allowing both longitudinal force and torque to be generated simultaneously is entering into its final phase. The measurement facility  
  • 82. 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  
  • 83. 3D nano-metrology with X-ray fluorescence and scattering techniques  
    Date: 03.03.2020
    Percental score: 10 %
    A new algorithm allows the fast reconstruction of atom distributions in 3D nanostructured surfaces Over the last years, PTB has developed a new method for atom-specific reconstruction of  
  • 84. Calorimetric determination of the absorbed dose to water in the near field of 192Ir brachytherapy sources  
    Date: 29.09.2008
    Percental score: 10 %
    The measurand in the dosimetry of brachytherapy sources is the absorbed dose rate to water, at a distance of 1 cm from the centre of activity of the radiation source, vertical to the source axis.  
  • 85. Using UV-C radiation to combat the coronavirus  
    Date: 01.12.2020
    Percental score: 10 %
    Dr. Peter Sperfeld performs measurements of UV-C radiation The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A  
  • 86. Meeting of asphere specialists  
    Date: 05.02.2018
    Percental score: 9 %
    Specially manufactured aspheres Because of their complex geometry, aspheres – that is, non-spherically curved surfaces of optical elements such as mirrors or lenses – pose special challenges to the field of precision metrology.  
  • 87. European X-ray Spectrometry Association Prizes for PTB Scientists  
    Date: 15.08.2018
    Percental score: 9 %
    Since 2006, the European X-Ray Spectrometry Association (EXSA) has awarded prizes for excellent work in the field of x-ray spectrometry and, since 2010, additionally for the best dissertation in  
  • 88. Lothar Cremer Prize Winner 2009: Volker Wittstock  
    Date: 24.04.2009
    Percental score: 9 %
    On 24.3.2009 Volker Wittstock was awarded the Lothar Cremer Prize of the Deutsche Gesellschaft für Akustik (German Acoustical Society) on the occasion of the annual conference on acoustics in  
  • 89. Modernization and development of the CORADOS (COsmic RAdiation DOSimetry Site) reference measurement site  
    Date: 23.12.2021
    Percental score: 9 %
    CORADOS, the secondary cosmic radiation reference measurement site that is located at a lake in the northwest of Braunschweig, Germany, has been equipped with two ultra‑modern gamma‑radiation  
  • 90. 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,  
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