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448 results:
  • 191. 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.  
  • 192. Measurement uncertainty of the secondary standard measuring facility for the water absorbed dose between 5 Gy and 25 Gy  
    Date: 10.05.2006
    Percental score: 7 %
    The secondary standard measuring facility for the absorbed dose to water in high-energy radiation fields on the basis of Alanin/ESR could be improved by a new probes positioning device. At 5 Gy, the  
  • 193. Measurement of the perturbation effect correction factors pCo for flat chambers  
    Date: 10.05.2006
    Percental score: 8 %
    For a large number of flat chambers of types Roos, Markus and Advanced Markus, the perturbation correction factors pCo were determined. As the result of these investigations, the new version  
  • 194. Measurement of HF impedance, reflection coefficient and S-parameters  
    Date: 12.05.2021
    Percental score: 3 %
    Publications before 2020   N. Shoaib, K. Kuhlmann, R. Judaschke: Investigation of Verification Artefacts in Rectangular Waveguide up to 325 GHz 1st URSI Atlantic Radio Science Conference  
  • 195. Measurement methods  
    Date: 24.11.2023
    Percental score: 4 %
    11 May 2023 Current position while writing (diamond shape). The circles are the positions at previous blog posts, the black line is roughly the route we took (base map from ggplot2).  
  • 196. Materarbeit Denise Sinning  
    Date: 12.02.2020
    Percental score: 1 %
    Materarbeit Denise Sinning Technische Hochschule Wildau Physikalisch-Technische Bundesanstalt Differenzierung und Klassifikation von Leishmanienspezies  
  • 197. Mass determination of two new 28Si spheres in vacuum in preparation of the redefinition of the kilogram  
    Date: 01.11.2017
    Percental score: 4 %
    A relative standard uncertainty (k = 1) of 6.1 × 10−9 was achieved for the mass determination in vacuum of two silicon spheres manufactured from a new 28Si crystal. The measurements  
  • 198. 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  
  • 199. LMKM V3 Part2 Englisch 2020  
    Date: 17.01.2020
    Percental score: 1 %
    LMKM V3 Part2 Englisch 2020 Physikalisch-Technische Bundesanstalt Medical metrology Guidelines for metrological verifications of medical devices with a measuring function (Edition 3.0) Part  
  • 200. LMKM V3 Part1 Englisch 2020  
    Date: 12.03.2020
    Percental score: 1 %
    LMKM V3 Part1 Englisch 2020 Physikalisch-Technische Bundesanstalt Medical metrology Guidelines for metrological verifications of medical devices with a measuring function (Edition 3.0) Part  
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