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312 results:
71. Traceable particle size measurements of non-spherical nanoparticles  
Date: 23.05.2022
Percental score: 9 %
Small-angle X-ray scattering (SAXS) is ideally suited for the traceable determination of the size or size distribution of nanoparticles. At PTB, monochromatized X-rays from the four-crystal  
72. 4.21 Form and Wavefront Metrology  
Date: 03.06.2020
Percental score: 9 %
Selected publications The working group offers the following calibrations: Sphericity and radius measurement of sperical sections Refractive index measurement Transmission measurement on  
73. A Prize for PTB Nanometrologist  
Date: 16.07.2007
Percental score: 9 %
Thorsten Dziomba, a young PTB scientist, has been awarded the title "The Best Young Metrologist of COOMET". His presentation convinced the high-ranking committee, among them the  
74. Determination of the angular distribution of backscattered particles at the ion accumulation experiment  
Date: 26.09.2006
Percental score: 9 %
A monitor was developed for the measurement of sputtered and reflected particles to determine the mass contribution of particles which are backscattered through the entry hole of the collector at  
75. leistungsmerkmale 61672 en  
Date: 28.09.2009
Percental score: 9 %
leistungsmerkmale 61672 en 24.01.06 Demanded sound level meter performance characteristics according to DIN EN 61672-1:2003 61672-1:2003 Section 1.1 „Anwendungsbereich“ 5.1.9, 5.1.10  
76. PTB Seminar on the international comparability of pH value measurements  
Date: 18.09.1996
Percental score: 9 %
As a measure of the acid or alkaline quality of a solution, the pH value is an important measurand as, among other things, in process technology, medicine and environmental protection. The  
77. Research  
Date: 31.03.2022
Percental score: 9 %
Working Group:    5.32    5.33    5.34 Research project  5.32 The Virtual Coordinate Measuring Machine VCMM – A Digital Twin to determine the  
78. Dosimetry up to an altitude of 30 km  
Date: 29.12.2011
Percental score: 9 %
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  
79. kcs07 en  
Date: 08.03.2011
Percental score: 9 %
kcs07 en K-40 and Cs-137 in ground-level air in Braunschweig 2007 1,0 New Year's Eve firework (KClO4) New Year's Eve firework (KClO4) week 31: much dust, (highway reconstruction site at ca. 1 km  
80. Integration von π-Kontakten in Josephson-Qubits und Einzelflussquanten-Strukturen  
Date: 05.12.2007
Percental score: 9 %
The remarkable property of exhibiting an additional phase drop of π found in the superconductor-ferromagnet-superconductor (SFS) Josephson junctions of certain thickness of the ferromagnetic layer  
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