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347 results:
91. Discovery of radioactivity by Henri Becquerel 100 years ago - "Radioactivity" laboratory of PTR/PTB founded as early as 1912  
Date: 20.02.1996
Percental score: 5 %
On February 24, 1896, Henri Becquerel reported before the Académie des Sciences in Paris that a specific uranium-bearing crystal which had been brought to shine under the action of sunlight and had  
92. Dose measurement during prostate cancer treatment  
Date: 09.06.2009
Percental score: 13 %
During radiation therapy, the physicians try to keep the dose in the tumour as high as possible to destroy as many cancer cells as possible. To avoid the damaging of healthy tissue, it is becoming  
93. Dosimetry up to an altitude of 30 km  
Date: 29.12.2011
Percental score: 7 %
Since the beginning of the 1990s, PTB has carried out dosimetric investigations of the secondary cosmic radiation in the atmosphere. In the course of time, the measuring instruments became more and  
94. Download GUM2DFT  
Date: 16.02.2022
Percental score: 7 %
Name GUM2DFTType PythonDate 24.09.2021 Background The Fourier transform and its counterpart for discrete time signals, the DFT, are common tools in measurement science and application. Although  
95. eg-liste  
Date: 10.06.2014
Percental score: 4 %
eg-liste PTB, Q.31 Gesetzliches Messwesen Braunschweig, 31.01.2013 EU-Richtlinien und Verordnungen im Bereich Mess- und Eichwesen 1. EU- Richtlinien und Verordnungen über Einheiten und  
96. empfehlung wiss praxis 0198  
Date: 27.10.2010
empfehlung wiss praxis 0198 Empfehlungen der Kommission "Selbstkontrolle in der Wissenschaft" Vorschläge zur Sicherung guter wissenschaftlicher Praxis Januar 1998 Vorwort Ein in der Öffentlichkeit im  
97. EMPIR-Project TracOptic „Traceable industrial 3D roughness and dimensional measurement using optical 3D microscopy and optical distance sensors“ started  
Date: 18.11.2021
Percental score: 5 %
The EU EMPIR project TracOptic started in June 2021. The aim is to develop practical guidelines for traceable areal roughness measurements with optical 3D microscopy and for dimensional measurements  
98. 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  
99. EURAMET.RI(I)-S7 Interlaboratory Comparison - Measurement of the absorbed dose to water by means of alanin/ESR in the therapeutic dose range for gamma radiation  
Date: 09.09.2011
Percental score: 5 %
EURAMET.RI(I)-S7 Interlaboratory Comparison between LNE-LNHB, NPL and PTB for the measurement of the absorbed dose to water by means of alanine/ESR in the therapeutic dose range for gamma radiation  
100. 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  
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