Helmholtz Institute Freiberg for Resource Technology
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1328 research outputs found
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Data publication: 3D gas distribution in lab-scale zero-gap water electrolysers measured by 3D X-ray computed microtomography
No full textPostprocessed 3D raw attenuation data of lab-scale zero-gap water electrolysers at different operating conditions.The data was collected within the project grant number KICH1.ED04.20.014 of the research programme ECCM KICkstart DE-NL of the Dutch Research Council (NWO). The responsibility for the content of this publication lies with the authors
Data publication: One chelator for imaging and therapy with lutetium-177 and actinium-225
No full textBei diesem Datensatz handelt es sich um analytische Charakterisierungen (ESI-MS, HR-MS, MALDI-TOF-MS) und Radiomarkierungsuntersuchungen zum nonadentaten Bispidin-Chelator bzw. Bispidin-TATE Konjugat mit Lutetium-177, Indium-111 und/oder Actinium-225.
1H, 13 C NMR and crystallographic data stored by collaboration partner (Heidelberg University
Data publication: Analysis of Cadmium Retention Mechanisms by a Smectite Clay in the Presence of Carbonates
No full textCadmium (Cd) is a toxic heavy metal with very low permissible exposure limits and is, thus, a very dangerous pollutant for the environment and public health and is considered by the World Health Organisation as one of the ten chemicals of major public concern. Adsorption onto solid phases and (co)precipitation processes are the most powerful mechanisms to retain pollutants and limit their migration; thus, the understanding of these processes is fundamental for assessing the risks of their presence in the environment. In this study, the immobilisation of Cd by smectite clay has been investigated by batch sorption tests, and the experimental data were interpreted with a thermodynamic model, including cation exchange and surface complexation processes. The model can describe the adsorption of Cd in smectite under a wide range of experimental conditions (pH, ionic strength, and Cd concentration). Under the conditions analysed in this study, the precipitation of otavite (CdCO₃) is shown to have a limited contribution to Cd immobilisation
Studying the impact of electron bunch characteristics on plasma wakefield performance using particle-in-cell simulations
Get PDFThe submitted version of my bachelor thesis.
Abstract
The accessibility of plasma-based accelerators was greatly expanded by the realization of laser wakefield accelerator (LWFA)-driven plasma wakefield accelerators (PWFA). This development speeds up research on PWFA significantly. In this thesis, 3D particle-in-cell-simulations were used to analyze driver parameters for a PWFA to achieve maximal energy gain for a hypothetical witness beam. Only small increases in witness energy were found when drivers with high kinetic energy were compared. In contrast, great witness energy increases result when the divergence of the driver gets reduced. The transformation of a driver in plasma is analyzed, and the influence of the wakefield on it is discussed. Additionally, evidence for non-constant peak energy is presented, with energy losses in the MeV scale independent from driver characteristics. This could require adjustments to the charge reconstruction of the LWFA bunch after the PWFA stage
Data publication : Open- and closed-loop data taken at ELBE for the development of a beam-based feedback regulator
No full textOpen- and closed-loop data traces taken during measurements at the linear accelerator ELBE
Data publication: ESFR-SMART T1.2.4
No full textCoupled Neutronic/Thermal-Hydraulic calculations of the European Sodium cooled Fast Reactor core with reactor simulator DYN3D in the framework of the H2020 ESFR-SMART project, Task 1.2.4
Data for "How to grow single-crystalline and epitaxial NiTi films in (100)- and (111)-orientation"
No full textThis dataset belongs to the paper "How to grow single-crystalline and epitaxial NiTi films in (100)- and (111)-orientation" and contains all raw data used for the paper. It includes AFM, SEM, R(T), TEM, Texture measurements and rocking curves. Information about samples, measurement techniques and file naming conventions can be found in README.txt
Pendant drop mesurements for water and decyl punicine in water
No full textdata sets of pendant drop measurements of aqueous decyl punicine solution.
Measurements were carried out at the OCA25 from DataPhysics Instruments GmbH .files are named as follows:
solution_pH of solution_IFT_number of experiment
solutions:
H2O - water
C10 - aqueous solution of decyl punicine (V1 and V5: 0.3 mM, V6: 0.1 mM
Software for Fate of bubble clusters rising in a quiescent liquid
No full textThe repository contains the tracking software for Fate of bubble clusters rising in a quiescent liquid. Please refer to the README.md for installation instruction
Data and code: Investigating binary granular mixing in a rotating drum using ultrafast X-ray computed tomography
No full textOriginal video camera data, and time-averaged, beam-hardening-corrected, drift-corrected dynamic and static UFXCT image data used in the associated publication; code used for the final processing; and the final processed data. More details are found in the publication and in the info in the respective folders