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345 results:
21. Traceability of photometric absorbance values for the accurate determination of the total haemoglobin concentration in blood  
Date: 28.11.2013
Percental score: 5 %
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  
22. Touring exhibition on Hermann von Helmholtz  
Date: 13.06.1997
Percental score: 7 %
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,  
23. Total reflection X-Ray Fluorescence (TXRF)  
Date: 02.10.2018
Percental score: 14 %
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)  
24. Tilted-Wave Interferometer (TWI) as Example for Hand-in-Hand Calibration of Real and Virtual Experiments  
Date: 06.11.2020
Percental score: 5 %
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  
25. THz Activities  
Date: 02.10.2018
Percental score: 15 %
THz Activities Dr. Burkhard Beckhoff Physikalisch-Technische Bundesanstalt 7.24 Röntgenspektrometrie Abbestraße 2–12 10587 Berlin burkhard.beckhoff@ptb.de (030) 3481-7170  
26. Thiel and Seifert JAP 2009  
Date: 04.03.2013
Percental score: 3 %
Thiel and Seifert JAP 2009 Noninvasive probing of the human body with electromagnetic pulses: Modeling of the signal path F. Thiel and F. Seifert Citation: J. Appl. Phys. 105, 044904 (2009); doi:  
27. The PTB at the Sinsheim Control from May 12 to 15, 1998  
Date: 05.05.1998
Percental score: 4 %
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.  
28. 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  
29. Temperature distribution in large storage tanks for mineral oil  
Date: 09.10.2013
Percental score: 8 %
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  
30. Tätigkeitsbereiche  
Date: 10.04.2015
Percental score: 2 %
Aus dem Jahresbericht 2013 Tätigkeitsbereiche Tätigkeitsbereiche Abteilung 6, Ionisierende Strahlung 6 Ionisierende Strahlung Dir. U. Prof. Dr. H. Janßen 6.1 Radioaktivität Dir. u. Prof. Dr. D.  
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