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Optimization of the radiosynthesis of [18F] FESP
Lebeda Ondřej; Seifert Daniel; Melichar František
2012 - English
Optimization of the radiosynthesis of [18F] FESPOptimization of the radiosynthesis of [18F] FESP
Keywords:
PET; PRPPRG; [18F] FESP; radiosynthesis; D2; receptor; automation
Available at various departments of the ČVUT.
Optimization of the radiosynthesis of [18F] FESP
Optimization of the radiosynthesis of [18F] FESPOptimization of the radiosynthesis of [18F] FESP
Distributed Data Management in Experiments at RHIC and LHC
Šumbera Michal; Zerola Michal; Legrand Iosif
2012 - English
Distributed Data Management in Experiments at RHIC and LHCDistributed Data Management in Experiments at RHIC and LHC
Keywords:
planning; Grid; data transfer; constraint programming,
Available at various departments of the ČVUT.
Distributed Data Management in Experiments at RHIC and LHC
Distributed Data Management in Experiments at RHIC and LHCDistributed Data Management in Experiments at RHIC and LHC
New generation of gas sensors in civil engineering and architecture
Demo Pavel; Davydova Marina
2012 - English
Recent developments in nanotechnology led to the paradigm shift in civil engineering. The application of nanotechnology in civil engineering and architecture may enable changes at molecular level to optimize properties and performance of advanced materials in civil infrastructures, such as buildings, bridges, highways at macro-functional level. Recent claims for high-quality sensitive sensors for detection of toxic gases inside buildings are closely connected with quality and safety of life. This dissertation deals with development of highly sensitive and selective gas-sensing device based on carbon nanomaterials (carbon nanotubes and/or nanocrystalline diamond) capable to detect toxic gases inside buildings, offices, schools, undergrounds, etc. Two related subjects are investigated: (i) growth of carbon nanotubes (CNTs) and nanocrystalline diamond (NCD) film by plasma enhanced chemical vapor deposition and ii) their gas sensing potential towards different toxic gases. The CNTs based gas sensor showed almost no response, while the NCD film based gas sensor is modulated by its exposure to different gases. It has been investigated the influence of gases (carbon dioxide, ammonia, humid air and phosgene), the effect of H- and O-termination and/or surface area (as adjusted by the porous layer and/or nanorod morphology) on the surface conductivity of NCD layer. The impedance measurements provided on interdigitated electrodes covered by NCD layer revealed that the sensor sensitivity is strongly dependent on the surface area. The H-terminated porous NCD layer and diamond nanorods has shown an improvement of the sensitivity due to its high surface-to-volume ratio. Also, the gas sensor-based on H-terminated NCD is found to have significant response to oxidizing gas and exhibited a clear selectivity in phosgene detection. Moreover, the model is proposed where the gas sensing mechanism is discussed. In addition, the initial measurement of a prototype of the fully integrated gas sensor-based on H-terminated NCD film is presented. Such types of sensors are pointed out as perspective candidates for civil engineering of 21st century.Recent developments in nanotechnology led to the paradigm shift in civil engineering. The application of nanotechnology in civil engineering and architecture may enable changes at molecular level to optimize properties and performance of advanced materials in civil infrastructures, such as buildings, bridges, highways at macro-functional level. Recent claims for high-quality sensitive sensors for detection of toxic gases inside buildings are closely connected with quality and safety of life. This dissertation deals with development of highly sensitive and selective gas-sensing device based on carbon nanomaterials (carbon nanotubes and/or nanocrystalline diamond) capable to detect toxic gases inside buildings, offices, schools, undergrounds, etc. Two related subjects are investigated: (i) growth of carbon nanotubes (CNTs) and nanocrystalline diamond (NCD) film by plasma enhanced chemical vapor deposition and ii) their gas sensing potential towards different toxic gases. The CNTs based gas sensor showed almost no response, while the NCD film based gas sensor is modulated by its exposure to different gases. It has been investigated the influence of gases (carbon dioxide, ammonia, humid air and phosgene), the effect of H- and O-termination and/or surface area (as adjusted by the porous layer and/or nanorod morphology) on the surface conductivity of NCD layer. The impedance measurements provided on interdigitated electrodes covered by NCD layer revealed that the sensor sensitivity is strongly dependent on the surface area. The H-terminated porous NCD layer and diamond nanorods has shown an improvement of the sensitivity due to its high surface-to-volume ratio. Also, the gas sensor-based on H-terminated NCD is found to have significant response to oxidizing gas and exhibited a clear selectivity in phosgene detection. Moreover, the model is proposed where the gas sensing mechanism is discussed. In addition, the initial measurement of a prototype of the fully integrated gas sensor-based on H-terminated NCD film is presented. Such types of sensors are pointed out as perspective candidates for civil engineering of 21st century.
Keywords:
Nanocrystalline diamond; carbon nanotubes; plasma enhanced chemical vapor deposition; gas sensor; phosgene detection
Available at various departments of the ČVUT.
New generation of gas sensors in civil engineering and architecture
Recent developments in nanotechnology led to the paradigm shift in civil engineering. The application of nanotechnology in civil engineering and architecture may enable changes at molecular level to ...
Performances of Modified Power Divergence Estimators in the Normal Models:Simulation and Comparative Study
Kůs Václav; Frýdlová Iva; Janžura Martin
2012 - English
Simulation study of modified power divergence estimatorsSimulation study of modified power divergence estimators
Keywords:
minimum distance; estimation; robustness; simulation
Available at various departments of the ČVUT.
Performances of Modified Power Divergence Estimators in the Normal Models:Simulation and Comparative Study
Simulation study of modified power divergence estimatorsSimulation study of modified power divergence estimators
Numerical solutions of some models in quantim mechanics
Chadzitaskos Goce; Smotlacha Jan; Osipov Vladimir A.
2012 - English
Numerical solutions of some models in quantim mechanicsNumerical solutions of some models in quantim mechanics
Keywords:
Graphen; coherent states; local density of states
Available at various departments of the ČVUT.
Numerical solutions of some models in quantim mechanics
Numerical solutions of some models in quantim mechanicsNumerical solutions of some models in quantim mechanics
Interpretation of diffraction profiles
Ganev Nikolaj; Drahokoupil Jan; Kužel Radomír
2012 - English
Modeling approaches in interpretation of diffraction profilesModeling approaches in interpretation of diffraction profiles
Keywords:
X-ray diffraction; microstructure; modelling and fitting approaches
Available at various departments of the ČVUT.
Interpretation of diffraction profiles
Modeling approaches in interpretation of diffraction profilesModeling approaches in interpretation of diffraction profiles
Probabilistic Compositional Models:solution of an equivalence problem
Jiroušek Radim; Kratochvíl Václav; Studený Milan
2012 - English
Probabilistic Compositional Models:solution of an equivalence problemProbabilistic Compositional Models:solution of an equivalence problem
Keywords:
Probability Models; Compositional Models; equivalence problem
Available at various departments of the ČVUT.
Probabilistic Compositional Models:solution of an equivalence problem
Probabilistic Compositional Models:solution of an equivalence problemProbabilistic Compositional Models:solution of an equivalence problem
Nonlinear propagation in photonic waveguide microresonators
Čtyroký Jiří; Lauerman Tomáš; Honzátko Pavel
2012 - English
Nonlinear propagation in photonic waveguide microresonatorsNonlinear propagation in photonic waveguide microresonators
Keywords:
ring microresonator; silicon-on-insulator waveguides,
Available at various departments of the ČVUT.
Nonlinear propagation in photonic waveguide microresonators
Nonlinear propagation in photonic waveguide microresonatorsNonlinear propagation in photonic waveguide microresonators
Alternative Approaches to Fast Ignition Laser Driven Fusion
Kálal Milan; Martínková Michaela; Batani Dimitri
2012 - English
Experimental and theoretical studies of laser fusion topicsExperimental and theoretical studies of laser fusion topics
Keywords:
Fast ignition; plasma jets; interferometry; shrapnel; debris
Available at various departments of the ČVUT.
Alternative Approaches to Fast Ignition Laser Driven Fusion
Experimental and theoretical studies of laser fusion topicsExperimental and theoretical studies of laser fusion topics
Temporally and spatially resolved evolution of plasma in the COMPASS tokamak
Koláček Karel; Böhm Petr; Tichý Milan
2012 - English
Evolution of plasma profile in the COMPASS tokamakEvolution of plasma profile in the COMPASS tokamak
Keywords:
tokomak; plasma; diagnostic; laser; Thomson scattering
Available at various departments of the ČVUT.
Temporally and spatially resolved evolution of plasma in the COMPASS tokamak
Evolution of plasma profile in the COMPASS tokamakEvolution of plasma profile in the COMPASS tokamak
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