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369 results:
  • 191. 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.  
  • 192. Facts about PTB  
    Date: 20.02.2023
    Percental score: 5 %
    PTB is the National Metrology Institute of Germany with scientific and technical service tasks. PTB measures with the highest accuracy and reliability – metrology as the core competence. PTB stands  
  • 193. Broadband measuring station for the extended testing of the directional response pattern of sound level meters and the calibration of measuring microphones  
    Date: 07.04.2010
    Percental score: 5 %
    It is common practice to use sinusoidal sound signals as an excitation signal to reach the low measurement uncertainties required for the testing of the directional response pattern of sound level  
  • 194. Successful testing of platinum-iridium sorption artefacts for precision mass determinations under vacuum conditions  
    Date: 27.07.2010
    Percental score: 5 %
    The influence of sorption effects on the accuracy of mass determinations under vacuum conditions was significantly reduced by means of sorption artefacts made of a platinum-iridium alloy. The  
  • 195. Field Generators  
    Date: 14.04.2016
    Percental score: 5 %
    Description of methods and available test equipment The methods applied at PTB are based on common rules described in the guidelines VDI/VDE/DGQ/DKD 2622 Blatt 10: "Kalibrieren von Messmitteln  
  • 196. Publications  
    Date: 19.01.2018
    Percental score: 5 %
    2016 Frobese, D.-H.: Neufassung der TRBS 3151/TRGS 751 - Aktualisierung der Technischen Regel zur Vermeidung von Brand-, Explosions- und Druckgefährdungen an Tankstellen und Gasfüllanlagen zur  
  • 197. Neutron monitor for pulsed radiation  
    Date: 29.09.2008
    Percental score: 5 %
    At PTB, a new monitor for the measurement of pulsed neutron radiation has been developed, based on the detection of β- radiation from activity reactions on silver. PTB has applied for a patent for  
  • 198. Annex to PTB's Organization Chart  
    Date: 02.11.2023
    Percental score: 5 %
    Annex to PTB's Organization Chart ANNEX to Organization Chart of PTB Internal Structure of the Presidential Staff Office Presidential Staff Office WG PSt2 Central Quality Management1 Dr. M.  
  • 199. In-vivo dosimetry with alanine/ESR  
    Date: 30.03.2009
    Percental score: 5 %
    The secondary standard measuring system for the absorbed dose to water on the basis of alanine/ESR was used for in-vivo measurements in the radiotherapy of prostate carcinoma. The investigations were  
  • 200. Literature  
    Date: 09.12.2019
    Percental score: 5 %
    Literature Basic reference F. Spieweck, H. Bettin: Review: Solid and liquid density determination. tm - Technisches Messen 59 (1992), 237-244; 285-292 In German, the more recent  
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