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Now showing items 21-30 of 71
Atmospheric Pressure Microwave Plasma Jet for Organic Thin Film Deposition
(MDPI, 2020-02-06)
In this work, the potential of a microwave (MW)induced atmospheric pressure plasma jet (APPJ) in film deposition of styrene and methyl methacrylate (MMA) precursors is investigated. Plasma properties during the deposition ...
Application of low temperature plasmas for restoration/conservation of archaeological objects
(IOP Publishing, 2014-12-18)
Nízkoteplotní vodíkové plazma buzené za sníženého tlaku bylo používáno ke studiu vlivu průběhu a podmínek na odstraňování korozních produktů. Plasma bylo buzeno RF zdrojem v pulsním i kontinuálním režimu při tlacích 100-200 ...
Excitation of Mercury Atoms in Nitrogen Post-Discharge
(IOP Publishing, 2014-06-03)
The work presents results obtained during spectroscopic observations of nitrogen DC flowing post-discharges at the total gas pressure of 1000 Pa and at the discharge current of 100 mA. Mercury traces were introduced into ...
Remote operation of the GOLEM tokamak with hydrogen and helium plasmas
(IOP Science, 2016-11-04)
The GOLEM tokamak was operated remotely via internet connection during the 6th International Workshop and Summer School on Plasma Physics. Performances of hydrogen and helium discharges are compared in this paper. It is ...
Barrier SiO2-like coatings for archaeological artefacts preservation
(IOP Publishing, 2016-11-04)
Thin film chemical vapour deposition technique has been used for more than 50 years. Introducing organosilicones as precursors, e.g. hexamethyldisiloxane (HMDSO) or tetraethylorthosilicate (TEOS), brought new possibilities ...
Destruction of Direct Blue 106 Dye in Underwater Discharge
(IOP Publishing, 2014-06-03)
An application of underwater discharge is one possible way how make the destruction of organic dyes. This contribution presents results of Direct Blue 106 destruction in discharge generated in bubbles. The initial conductivity ...
Influence of diaphragm configuration on DC diaphragm discharge breakdown in electrolyte solution
(IOP Publishing, 2016-11-04)
This paper deals with generation of diaphragm discharge in water solutions of sodium chloride with fixed conductivity of 275 mu S. The photos were recorded by high-speed iCCD camera at defined times synchronized by the ...
DC Underwater Capillary Discharge With Symmetrical Hole: Diagnostics and Pumping Effect
(IOP Publishing, 2014-06-03)
Capillary discharge investigated by this work was created in the reactor using positive half-cycle of AC high voltage up to 2 kV. Electric field was created between two electrodes which were separated by the dielectric ...
Effect of Hydrogen Plasma on Model Corrosion Layers of Bronze
(IOP Publishing, 2016-05-17)
Our work is about plasmachemical reduction of model corrosion layers. The model corrosion layers were produced on bronze samples with size of 10 x 10 x 5 mm3, containing Cu and Sn. Concentrated hydrochloric acid was used ...
Discharge Ignition in the Diaphragm Configuration Supplied by DC Non-Pulsing Voltage
(IOP Publishing, 2016-05-17)
This work deals with the ignition of the discharge in the diaphragm configuration generated in water solutions containing supporting NaCl electrolyte. The reactor has volume of 110 ml and it is made of polycarbonate. HV ...