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448 results:
  • 11. Vorteile des Transmissionsmodes  
    Date: 25.09.2023
    Percental score: 13 %
    Vorteile des Transmissionsmodes Iris Weidner Physikalisch-Technische Bundesanstalt 5.24 Elektronenmikroskopie 38116 Braunschweig iris.weidner@ptb.de (0531) 592-5201 (0531) 592-5205  
  • 12. V L11  
    Date: 11.01.2019
    Percental score: 3 %
    V L11 Relativistic Atomic Theory Lecture 11 Winter Term 2018/19 Andrey Surzhykov Robert Müller Thomas Fermi Atoms If a many electron atom has many (more than a few) electrons, it might seem  
  • 13. Visiting PTB  
    Date: 27.02.2024
    Percental score: 21 %
    Would you like to know how our atomic clocks tick? When even a nanometer is too long? Or all the things that physicists do with light? If you are interested in these or similar questions, then PTB,  
  • 14. Virtual Measurement Process VMP  
    Date: 17.05.2023
    Percental score: 8 %
    Project duration Start: November 2019 End:  October 2022 Project description With raising demand for “virtual measurements” in measurement uncertainty estimation also the demand for  
  • 15. VirtMet Whitepaper public EN  
    Date: 18.06.2019
    Percental score: 1 %
    VirtMet Whitepaper public EN PTB Competence Center "Metrology for Virtual Measuring Instruments" (VirtMet) In the course of digitalization, the importance of simulations and in silico experiments  
  • 16. UWB EKG 2009  
    Date: 03.12.2010
    Percental score: 1 %
    UWB EKG 2009 REVIEW OF SCIENTIFIC INSTRUMENTS 80, 114302 共2009兲 Non-contact detection of myocardium’s mechanical activity by ultrawideband RF-radar and interpretation applying electrocardiography F.  
  • 17. 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  
  • 18. Uncertainty of predictions in building acoustics  
    Date: 25.08.2008
    Percental score: 6 %
    A new approach for calculating the measurement uncertainty made it possible for the first time to realistically evaluate the uncertainties of building acoustic predictions according to EN 12354-1  
  • 19. Uncertainty budget for the dose range between 2 Gy and 25 Gy established  
    Date: 15.01.2007
    Percental score: 5 %
    The uncertainty budget for the secondary standard measurement system for the dose to water based on alanine/ESR was established. The relative standard measurement uncertainty is 0.15% for 25 Gy,  
  • 20. Ultrasound noise measured directly on the person – a device developed by PTB can contribute to more accurate assessment of the airborne ultrasound exposure  
    Date: 30.05.2022
    Percental score: 4 %
    A high-frequency personal sound exposure meter (High-Frequency and Ultrasound Personal Exposimeter - HiFUSPEx) newly developed in department 1.6 possesses the measuring capabilities of a “real” sound  
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