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345 results:
71. 2.31 Instrument Transformers and High-Voltage Metrology  
Date: 08.11.2022
Percental score: 10 %
Requirements and Testing Instructions regarding the Disclosure Requirement for Electroimpulse Devices (wireless devices) List of approved Electroimpulse Devices The tasks of the working group  
72. Rogowski coil used with numerical integration of the measured data  
Date: 01.01.2007
Percental score: 10 %
The apparatuses designated for the transmission of electrical energy from the power plant to the consumer are tested in a series of expensive acceptance tests before being put into operation. This  
73. Temperature distribution in large storage tanks for mineral oil  
Date: 09.10.2013
Percental score: 10 %
Storage tanks are, in addition to their function of storing liquids, usually used also for the measurement of the stored amount of liquid. The determination of the volume of liquid by means of level  
74. News from the EMRP  
Date: 04.12.2018
Percental score: 10 %
24–26 March 2014 MATHMET 2014 – International Workshop on Mathematics and Statistics for Metrology (NEW04 Uncertainty) PTB, Berlin. Contact: Markus Bär Phone: +49 (0)30 3481-7687  
75. 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  
76. 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  
77. 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  
78. 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  
79. 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  
80. 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  
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