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Hierarchically structured active materials in electrodes of lithium-ion cells are promising candidates for increasing gravimetric energy density and improving rate capability of the system. To investigate the influence of cathode structures on the performance of the whole cell, efficient tools for calculating effective transport properties of granular systems are developed and their influence on the electrochemical performance is investigated in specially adapted cell models.
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Hierarchically structured active materials in electrodes of lithium-ion cells are promising candidates for increasing gravimetric energy density and improving rate capability of the system. To investigate the influence of cathode structures on the performance of the whole cell, efficient tools for calculating effective transport properties of granular systems are developed and their influence on the electrochemical performance is investigated in specially adapted cell models.
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"Filled with step-by-step instructions that guide the user through the process of making first-rate moulds and models. A wide variety of materials suitable for moulds are discussed including plaster, latex, resin, silicone as well as the equipment needed. There are also useful charts which show which types of moulds should be used for different materials such as chocolate, wax, plaster, lead and resin"--Cover flap.
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Im Fokus der wissenschaftlichen Arbeiten des ISF steht der Mensch als exponiertes Individuum mit all seinen anatomischen und physiologischen Eigenschaften unter Berücksichtigung des Strahlen-Expositionsszenarios. Dabei werden verschiedene Aspekte der Dosimetrie mit dem Ziel einer optimierten und personenbezogenen Quantifizierung der Strahlenexposition untersucht. Folgende Themen werden im ISF 2010 behandelt: Externe Dosimetrie, Modellierung und Interne Strahlenexposition.
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Hierarchically structured active materials in electrodes of lithium-ion cells are promising candidates for increasing gravimetric energy density and improving rate capability of the system. To investigate the influence of cathode structures on the performance of the whole cell, efficient tools for calculating effective transport properties of granular systems are developed and their influence on the electrochemical performance is investigated in specially adapted cell models.
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The transport models in multi-component tokamak plasma with various impurity ions are discussed here for implementation in the tokamak integrated code TOKES [1-4]. Impurity transport in the core and boundary plasma of a tokamak is a crucial issue for a fusion reactor device like ITER and DEMO. In steady state reactor operation the tokamak bulk plasma can be contaminated by intrinsic impurities, which can considerably affect the confinement time and bring about the burning plasma dilution. The impurities are originated due to erosion of plasma-facing components and, particularly, during the transient processes like repetitive ELMs, small disruptions etc. Mitigation of ELMs can relax the power loading on PSCs and the problem of core plasma contamination. However, it is still remains unclear to which extend these ELMs must be reduced in order to have a moderate erosion of divertor plates due to physical sputtering during the long-pulse reactor operation to avoid intolerable accumulation of impurities in the core. Impurities, originated at the plate can migrate through the SOL and penetrate through pedestal region into balk plasma. Effect of impurity screening due to ELMs repulsive force (entraining effect) can protect balk plasma from impurities. The transport features in tokamak plasma in the presence of arbitrary concentration of various impurity species in different charge state are investigated. Impurity behaviour in the balk and boundary plasma can be simulated in the frame of the integrated code TOKEs. Recently the code was considerably updated [5]. The neoclassical and anomalous transport coefficients where implemented in balk plasma and the pedestal region together with ELM model. The SOL and divertor region were elaborated. These improvements and the impurity transport models, described here will enable a self-consistent simulation of impurity dynamic in muli-component complex plasma, where impurity ions dominate and determine the transport properties. The various transport models for multi-component plasma have been reviewed and proper equations, describing a multi-component plasma transport have been suggested for implementation in the integrated code TOKES.
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Modeling. --- Education.
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With the development of high-precision geological observation technology, in situ mineral microanalysis technology, isotope geochemical analysis technology, deep geophysical exploration technology, deep drilling, real-time mining, remote sensing highresolution hyperspectral image technology, and supercomputer and industrial intelligence, geoscience has entered an era of big data and artificial intelligence in the 21st century. Three-dimensional/four-dimensional (3D/4D) geoscience modeling with the multi-disciplinary intersection of geosciences has been used as the basis for mineral exploration and the extraction of geosciences information for mineral resource assessment.
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With the development of high-precision geological observation technology, in situ mineral microanalysis technology, isotope geochemical analysis technology, deep geophysical exploration technology, deep drilling, real-time mining, remote sensing highresolution hyperspectral image technology, and supercomputer and industrial intelligence, geoscience has entered an era of big data and artificial intelligence in the 21st century. Three-dimensional/four-dimensional (3D/4D) geoscience modeling with the multi-disciplinary intersection of geosciences has been used as the basis for mineral exploration and the extraction of geosciences information for mineral resource assessment.
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