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343 results:
161. The half-life of Se-79  
Date: 13.07.2010
Percental score: 5 %
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  
162. Alanine dosimetry - from metrology to therapy?  
Date: 09.08.2007
Percental score: 5 %
A commercial, compact ESR spectrometer intended for use in industrial alanine dosimetry was investigated with respect to its possible use in radiation therapy dosimetry. If data analysis procedures  
163. Neutron monitor AGREM – test measurements in pulsed radiation fields  
Date: 31.10.2014
Percental score: 5 %
The neutron monitor AGREM, developed at PTB, has been tested in different pulsed radiation fields and compared with other neutron monitors. Whereas commercial monitors exhibited a saturation  
164. Innov eigensi- Konz-allge-IEC-Beschreibung-englisch-new  
Date: 13.11.2009
Percental score: 5 %
Innov eigensi- Konz-allge-IEC-Beschreibung-englisch-new Physikalisch-Technische Bundesanstalt Braunschweig, FB 3.6 „Intrinsic Safety and Safety of Systems“ Innovative intrinsically safe concepts  
165. Annex to PTB's Organization Chart  
Date: 04.11.2022
Percental score: 5 %
Annex to PTB's Organization Chart ANNEX to Organization Chart of PTB Internal Structure of the Presidential Staff Office Presidential Staff Office WG PSt2 Central Quality Management Dr. A.  
166. 4.23 Optical Nanometrology  
Date: 20.01.2021
Percental score: 5 %
Overview on standards for nanometrology   http://www.nanoscale.ptb.de/nanoscale/nanoscale-standards.html http://www.nano-refmat.bam.de/en/ Linewidth calibrations on photomasks are offered  
167. Helmholtz Prize for the "new" ampere  
Date: 31.03.2014
Percental score: 5 %
[ptb/es] Quantum standards for the electrical units the volt and the ohm have been available for more than two decades. However, for the electrical base unit of the international system of units  
168. PA01  
Date: 11.08.2009
Percental score: 5 %
Udo Gerlach, Thomas Uehlken: Energieversorgung à la pls, In: P&A März 2007, S.69-71 (www.pua24.net) PA01 FAC H B E I T R AG SICHERHEIT & EX-SCHUTZ 69 Energieversorgung à la pls Leistungssteigerung  
169. Literature  
Date: 09.12.2019
Percental score: 5 %
Literature Basic reference F. Spieweck, H. Bettin: Review: Solid and liquid density determination. tm - Technisches Messen 59 (1992), 237-244; 285-292 In German, the more recent  
170. In-vivo dosimetry with alanine/ESR  
Date: 30.03.2009
Percental score: 5 %
The secondary standard measuring system for the absorbed dose to water on the basis of alanine/ESR was used for in-vivo measurements in the radiotherapy of prostate carcinoma. The investigations were  
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