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221. PTB President Joachim Ullrich awarded Federal Cross of Merit, Class 1
Date: 17.05.2017
Percental score: 6 %

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
222. Metrology for the Digitalization of Economy and Society
Date: 26.10.2017
Percental score: 1 %

Metrology for the Digitalization of Economy and
223. Mass determination of two new 28Si spheres in vacuum in preparation of the redefinition of the kilogram
Date: 01.11.2017
Percental score: 4 %

A relative standard uncertainty (k = 1) of 6.1 × 10−9 was achieved for the mass determination in vacuum of two silicon spheres manufactured from a new 28Si crystal. The measurements
224. PTB News 3/2017
Date: 06.11.2017
Percental score: 1 %

PTB News 3/2017, English edition, Issue October 2017 PTB News 3/2017 news Scientific Newsletter Three times a year, PTB News provides topical information from the varied spectrum of activities of
225. nanoSQUIDs
Date: 13.11.2017
Percental score: 7 %

We also use our fabrication technology for Josephson voltage standards for fabricating other circuits. Especially the fabrication of very small structures or junctions allows additional and new
226. Broadband traveling-wave parametric amplifier with more than 20 dB gain in the GHz frequency range
Date: 27.11.2017
Percental score: 6 %

Quantum information technology requires broadband amplifiers with extremely low intrinsic noise. A traveling-wave parametric amplifier based on a series array of one-junction SQUIDs was developed at
227. Preparation for the introduction of the revised SI in the field of electricity and magnetism
Date: 28.11.2017
Percental score: 18 %

The Consultative Committee for Electricity and Magnetism (CCEM) of the Convention of the Meter took preparatory steps for the introduction of the revised SI at its 30th meeting from March 22 to 24,
228. Pulse-driven AC Josephson voltage standard with an output voltage of 2.25 VRMS
Date: 28.11.2017
Percental score: 7 %

To increase the output voltage of the pulse-driven Josephson voltage standard, 16 arrays, implemented on 8 chips, were connected in series. This configuration leads to the operation of 162,000
229. Publications
Date: 19.01.2018
Percental score: 5 %

2016 Frobese, D.-H.: Neufassung der TRBS 3151/TRGS 751 - Aktualisierung der Technischen Regel zur Vermeidung von Brand-, Explosions- und Druckgefährdungen an Tankstellen und Gasfüllanlagen zur
230. PAQI Stock Taking 2017 EN
Date: 26.01.2018
Percental score: 4 %

PAQI Stock Taking 2017 EN Stocktaking Document – 2017 – The PAQI initiative is supported by II ACKNOWLEDGEMENT The stocktaking study of the status of Quality Infrastructure in Africa, conducted

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