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141. Determination of the water absorbed dose in neutron beams and ion beams with ionization chambers and a transportable water calorimeter  
Date: 10.05.2006
Percental score: 6 %
A transportable and compact water calorimeter was used in hospitals and research institutes which use different types of particle beams for cancer therapy: in a collimated neutron beam (Clinical  
142. Determination of the response of the alanine dosimeter for high-energy electrons in collaboration with the Swiss Federal Office of Metrology (METAS)  
Date: 23.09.2011
Percental score: 6 %
The response of the alanine dosimeter with regard to the absorbed dose to water Dw for high-energy electron radiation has been determined in collaboration with the Swiss Federal Office of Metrology  
143. Developments of high resolution CD/3D AFMS  
Date: 25.09.2019
Percental score: 6 %
Developments of high resolution CD/3D AFMs The traceable calibration of 3D geometry of complex nanostructures still remains as a challenging task today. In this working group, new traceable route  
144. Commissioning of the new n_TOF spallation neutron source at CERN  
Date: 23.12.2021
Percental score: 6 %
PTB's Department 6.4 “Neutron Radiation” participated in the commissioning measurements for the new spallation target of the n_TOF neutron source at CERN by providing two U‑235 fission  
145. How many nanoparticles heat the tumour?  
Date: 28.07.2010
Percental score: 6 %
Those who have to fight a powerful enemy must look for allies. This is why physicists from different scientific fields have decided to cooperate with biomedical physicians in order to place the  
146. EURAMET.RI(I)-S7 Interlaboratory Comparison - Measurement of the absorbed dose to water by means of alanin/ESR in the therapeutic dose range for gamma radiation  
Date: 09.09.2011
Percental score: 6 %
EURAMET.RI(I)-S7 Interlaboratory Comparison between LNE-LNHB, NPL and PTB for the measurement of the absorbed dose to water by means of alanine/ESR in the therapeutic dose range for gamma radiation  
147. EMPIR-Project TracOptic „Traceable industrial 3D roughness and dimensional measurement using optical 3D microscopy and optical distance sensors“ started  
Date: 18.11.2021
Percental score: 6 %
The EU EMPIR project TracOptic started in June 2021. The aim is to develop practical guidelines for traceable areal roughness measurements with optical 3D microscopy and for dimensional measurements  
148. Publications  
Date: 09.07.2019
Percental score: 6 %
Publications Dai, G., Hahm, K., Scholze, F. et al. 2014 Measurements of CD and sidewall profile of EUV photomask structures using CD-AFM and tilting-AFM, Meas. Sci. Tech., 25(4) Dai, G.,  
149. Discovery of radioactivity by Henri Becquerel 100 years ago - "Radioactivity" laboratory of PTR/PTB founded as early as 1912  
Date: 20.02.1996
Percental score: 6 %
On February 24, 1896, Henri Becquerel reported before the Académie des Sciences in Paris that a specific uranium-bearing crystal which had been brought to shine under the action of sunlight and had  
150. Building Acoustics en miniature  
Date: 14.05.2007
Percental score: 6 %
Problems in building acoustics can be investigated excellently on small, downscaled models. They are more flexible, require less time and effort and are cheaper than the usual measurements carried  
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