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371 results:
201. 2.41 Superconductor Circuit Design  
Date: 18.01.2023
Percental score: 5 %
Our working group is developing circuit layouts for different circuits based on the Josephson effects in close cooperation with the working group 2.43. AC Josephson voltage standards and complex  
202. Ultrasound noise measured directly on the person – a device developed by PTB can contribute to more accurate assessment of the airborne ultrasound exposure  
Date: 30.05.2022
Percental score: 5 %
A high-frequency personal sound exposure meter (High-Frequency and Ultrasound Personal Exposimeter - HiFUSPEx) newly developed in department 1.6 possesses the measuring capabilities of a “real” sound  
203. Liste der Ortsdosimeter gemaess PTB Anforderungen 23 3  
Date: 22.09.2022
Percental score: 5 %
Liste der Ortsdosimeter gemaess PTB Anforderungen 23 3 Liste der Baumusterprüfungen und Bauartzulassungen von Ortsdosimeter gemäß PTB-Anforderungen  
204. E Glasschmelzen  
Date: 07.09.2022
Percental score: 5 %
E Glasschmelzen Arbeitsgruppe 3.32 „Flüssigkeitseigenschaften“ ‒ Data sheet ‒ Calibration glasses for high temperature viscosity measurement Data for the soda lime glass G1: Temperature °C dynamic  
205. Price List of PTB starting 1 Ocotober 2021 v2  
Date: 05.07.2022
Percental score: 5 %
Price List of PTB starting 1 Ocotober 2021 v2 Physikalisch-Technische Bundesanstalt As of: 8 October 2021 Price List of the Physikalisch-Technische Bundesanstalt (valid starting on 1 October  
206. ESR/alanine dosimetry: response for ultrahard photon radiation  
Date: 09.08.2007
Percental score: 5 %
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  
207. PTB President Joachim Ullrich awarded Federal Cross of Merit, Class 1  
Date: 17.05.2017
Percental score: 5 %
He is a top-ranking scientist who unites people and leads them toward success.  This simple formula could be used to explain Professor Dr. Joachim Ullrich's extensive achievements.  The  
208. Are infrasound and ultrasound audible?  
Date: 20.05.2015
Percental score: 5 %
Noise is one of the fundamental environmental factors impairing health and well-being. Whereas in the hearing frequency range, the handling of noise is well grounded and regulated, in the infrasound  
209. HF power measurement  
Date: 12.05.2021
Percental score: 6 %
Publications before 2020   Xiaohai Cui, Yu Song Meng, R. Judaschke, J. Rühaak, T.P. Crowley, R.A. Ginley International Comparison of WR15 (50 to 75 GHz) Power Measurements among NIST, NIM,  
210. Gear calibrations using scanning mode  
Date: 06.07.2021
Percental score: 6 %
In order to achieve the smallest possible measurement uncertainty in the traceability of gear measurement quantities, the gears on coordinate measuring machines were previously calibrated in  
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