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341 results:
61. 3D nano-metrology with X-ray fluorescence and scattering techniques  
Date: 03.03.2020
Percental score: 10 %
A new algorithm allows the fast reconstruction of atom distributions in 3D nanostructured surfaces Over the last years, PTB has developed a new method for atom-specific reconstruction of  
62. Calorimetric determination of the absorbed dose to water in the near field of 192Ir brachytherapy sources  
Date: 29.09.2008
Percental score: 10 %
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.  
63. Using UV-C radiation to combat the coronavirus  
Date: 01.12.2020
Percental score: 10 %
Dr. Peter Sperfeld performs measurements of UV-C radiation The Physikalisch-Technische Bundesanstalt (PTB) measured the internal irradiance of a prototype of an indoor UV-C air purification unit to gauge its effectiveness in neutralizing germs and viruses. A  
64. European X-ray Spectrometry Association Prizes for PTB Scientists  
Date: 15.08.2018
Percental score: 10 %
Since 2006, the European X-Ray Spectrometry Association (EXSA) has awarded prizes for excellent work in the field of x-ray spectrometry and, since 2010, additionally for the best dissertation in  
65. Meeting of asphere specialists  
Date: 05.02.2018
Percental score: 9 %
Specially manufactured aspheres Because of their complex geometry, aspheres – that is, non-spherically curved surfaces of optical elements such as mirrors or lenses – pose special challenges to the field of precision metrology.  
66. Lothar Cremer Prize Winner 2009: Volker Wittstock  
Date: 24.04.2009
Percental score: 9 %
On 24.3.2009 Volker Wittstock was awarded the Lothar Cremer Prize of the Deutsche Gesellschaft für Akustik (German Acoustical Society) on the occasion of the annual conference on acoustics in  
67. Modernization and development of the CORADOS (COsmic RAdiation DOSimetry Site) reference measurement site  
Date: 23.12.2021
Percental score: 9 %
CORADOS, the secondary cosmic radiation reference measurement site that is located at a lake in the northwest of Braunschweig, Germany, has been equipped with two ultra‑modern gamma‑radiation  
68. Helmholtz Prize 2014  
Date: 04.12.2018
Percental score: 9 %
With the Helmholtz Prize, outstanding scientific and technical research work in the field of metrology has been honoured since 1973. It is awarded in the field of precision measurements in physics,  
69. Support of doctoral candidates  
Date: 21.04.2022
Percental score: 9 %
Assistance Margit Kleinsorge Phone: (030) 3481-7464 Email: Doktorandenprogramm@ptb.de PTB's support program for doctoral candidates has rules that ensure a good and extensive support situation,  
70. All over the world – weighing instruments made in Germany  
Date: 16.11.2009
Percental score: 9 %
Every third weighing instrument worldwide is "Made in Germany". The large market share of Germany's weighing instrument industry reflects the good reputation of its products – they are  
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