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326 results:
71. Measurement of the perturbation effect correction factors pCo for flat chambers  
Date: 10.05.2006
Percental score: 10 %
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  
72. Dates  
Date: 04.12.2018
Percental score: 10 %
12 September 2013 Informative meeting for the sound test centres members of the Verband der Materialprüfungsanstalten (VMPA) 08:00 o'clock until 18:00 o'clock, PTB Braunschweig, Auditorium Contact:  
73. Awards  
Date: 04.12.2018
Percental score: 10 %
Ernst O. Göbel PTB's previous president has received the “DIN Ehrenring” (Ring of Honour) – the highest award granted by the Deutsches Institut für Normung (DIN, German Institute of  
74. Virtual Measurement Process VMP  
Date: 01.04.2021
Percental score: 10 %
Project duration Start: November 2019 End:  October 2022 Project description With raising demand for “virtual measurements” in measurement uncertainty estimation also the demand for  
75. Preliminary List  
Date: 12.05.2011
Percental score: 10 %
Preliminary List Physikalisch-Technische Bundesanstalt Braunschweig und Berlin Certification Body Certification body for System measuring instruments Quality Management Evaluation of Measuring  
76. 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  
77. News from the EMRP  
Date: 04.12.2018
Percental score: 10 %
24–26 March 2014 MATHMET 2014 – International Workshop on Mathematics and Statistics for Metrology (NEW04 Uncertainty) PTB, Berlin. Contact: Markus Bär Phone: +49 (0)30 3481-7687  
78. Hannover trade fair 2021  
Date: 08.04.2021
Percental score: 9 %
PTB at the (digital) Hanover trade fair: 12th -16th April In the future, PTB will offer a digital workflow for its numerous metrological services. It is based on an electronic customer portal,  
79. Bilateral comparison of traceable two-axis calibrations of an autocollimator between PTB and VTT MIKES  
Date: 15.11.2021
Percental score: 9 %
In order to calibrate the two orthogonal measuring axes of autocollimators simultaneously, including the characterisation of their crosstalk, PTB and VTT MIKES developed calibration systems which are  
80. 4.21 Form and Wavefront Metrology  
Date: 03.06.2020
Percental score: 9 %
Selected publications The working group offers the following calibrations: Sphericity and radius measurement of sperical sections Refractive index measurement Transmission measurement on  
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