Logo of the Physikalisch-Technische Bundesanstalt


Search result

373 results:
  • 21. Transmissionsmodus im REM (TSEM, STEM-in-SEM)  
    Date: 25.09.2023
    Percental score: 15 %
    Transmissionsmodus im REM (TSEM, STEM-in-SEM) Iris Weidner Physikalisch-Technische Bundesanstalt 5.24 Elektronenmikroskopie 38116 Braunschweig iris.weidner@ptb.de (0531) 592-5201 (0531) 592-5205  
  • 22. Traceable particle size measurements of non-spherical nanoparticles  
    Date: 23.05.2022
    Percental score: 9 %
    Small-angle X-ray scattering (SAXS) is ideally suited for the traceable determination of the size or size distribution of nanoparticles. At PTB, monochromatized X-rays from the four-crystal  
  • 23. Traceability of photometric absorbance values for the accurate determination of the total haemoglobin concentration in blood  
    Date: 28.11.2013
    Percental score: 6 %
    One of the analytes that is most frequently measured in laboratory medicine is the total haemoglobin concentration (Hb) in blood. It is based on transforming (by means of appropriate conversion  
  • 24. Touring exhibition on Hermann von Helmholtz  
    Date: 13.06.1997
    Percental score: 9 %
    This year it is 50 years since the Physikalisch-Technische Bundesanstalt (PTB) was established in Braunschweig. On this occasion, a series of events will be held from July 3 to 5, 1997. On July 3,  
  • 25. Total reflection X-Ray Fluorescence (TXRF)  
    Date: 02.10.2018
    Percental score: 17 %
    Total reflection X-Ray Fluorescence (TXRF) Dr. Burkhard Beckhoff Physikalisch-Technische Bundesanstalt 7.24 Röntgenspektrometrie Abbestraße 2–12 10587 Berlin burkhard.beckhoff@ptb.de (030)  
  • 26. Tilted-Wave Interferometer (TWI) as Example for Hand-in-Hand Calibration of Real and Virtual Experiments  
    Date: 06.11.2020
    Percental score: 6 %
    The optical industry uses aspheres and free-form surfaces in modern optical systems, which, however, place very high demands on metrology. Optical measurement techniques have a prominent role to play  
  • 27. THz Activities  
    Date: 02.10.2018
    Percental score: 18 %
    THz Activities Dr. Burkhard Beckhoff Physikalisch-Technische Bundesanstalt 7.24 Röntgenspektrometrie Abbestraße 2–12 10587 Berlin burkhard.beckhoff@ptb.de (030) 3481-7170  
  • 28. The PTB at the Sinsheim Control from May 12 to 15, 1998  
    Date: 05.05.1998
    Percental score: 5 %
    From May 12 to 15, 1998, at the Control at Sinsheim, more than 600 exhibitors will present for the 12th time recent develop-ments and trends in the field of quality assurance and production control.  
  • 29. The half-life of Se-79  
    Date: 13.07.2010
    Percental score: 4 %
    Within the scope of a cooperation of several institutes, the half-life of the long-lived isotope Se-79 could be determined with a clearly improved uncertainty. PTB has contributed in particular by  
  • 30. Temperature distribution in large storage tanks for mineral oil  
    Date: 09.10.2013
    Percental score: 10 %
    Storage tanks are, in addition to their function of storing liquids, usually used also for the measurement of the stored amount of liquid. The determination of the volume of liquid by means of level  
Search results 21 until 30 of 373
The search query was processed in 392 ms.

Search behavior

In the search, the following parameters can be used:

  • "": Phrase search. The words you entered must occur exactly as entered in the search results. Example: "Metrological Services"
  • -: NOT operation. A word can not appear in the search results. Example: "Metrological Services" -"Verification Act"
  • *: Substring search. Example: "Metrological Services" measure* finds "Metrological Services" measures and "Metrological Services" measurement

If you enter more than one search term, the individual words are connected with an "AND".