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464 results:
  • 21. A Prize for PTB Nanometrologist  
    Date: 16.07.2007
    Percental score: 7 %
    Thorsten Dziomba, a young PTB scientist, has been awarded the title "The Best Young Metrologist of COOMET". His presentation convinced the high-ranking committee, among them the  
  • 22. Calibration of force vector transducers with smallest uncertainties  
    Date: 17.07.2007
    Percental score: 5 %
    With the precision force transducers used so far, the force is measured in an axis predefined by the transducer construction. In the last few years, however, the demand for force transducers  
  • 23. Alanine dosimetry - from metrology to therapy?  
    Date: 09.08.2007
    Percental score: 3 %
    A commercial, compact ESR spectrometer intended for use in industrial alanine dosimetry was investigated with respect to its possible use in radiation therapy dosimetry. If data analysis procedures  
  • 24. ESR/alanine dosimetry: response for ultrahard photon radiation  
    Date: 09.08.2007
    Percental score: 4 %
    It was possible to determine with a standard measurement uncertainty of only 0.3% the relative response of the secondary standard measuring system based on the detection of radiation-induced free  
  • 25. Grote Stamm Value Chains und QI final 2007-12  
    Date: 07.01.2008
    Percental score: 1 %
    Grote Stamm Value Chains und QI final 2007-12 Quality Requirements and Quality Infrastructure in Value Chains Reaching Out to Developing Countries Examples from the Fish/Shrimps, Spices, Wood, and  
  • 26. 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  
  • 27. PTB Alanine Dosimetry System for Quality Assurance in Belgium  
    Date: 29.09.2008
    Percental score: 6 %
    Towards the end of this year, a copy of the PTB measuring system for dosimetry by means of alanine and electron spin resonance will be installed at the Belgian Xios Hoogeschool Limburg within the  
  • 28. Calorimetric determination of the absorbed dose to water in the near field of 192Ir brachytherapy sources  
    Date: 29.09.2008
    Percental score: 9 %
    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.  
  • 29. Neutron monitor for pulsed radiation  
    Date: 29.09.2008
    Percental score: 4 %
    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  
  • 30. Detector for the measurement of the kinetic energy of microparticles in space  
    Date: 06.10.2008
    Percental score: 3 %
    In cooperation with partners from industry and from universities, a detector has been developed for the in-situ measurement of the kinetic energy of impacting, fast microparticles. An array  
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