This work represents a first attempt to use the cylindrical coaxial magnetron discharge (CCMD), obtained in air, as a light source. The main purpose was to realize a high efficiency of conversion of electric power to visible light and to optimize the operating conditions to minimize the cost of the light source, employing a cheap gas (air) and moderate voltage in the range of several hundreds v...

This study concerns the production of hydrogen from a mixture ethanol and water. The process was conducted in plasma generated by spark discharge. substrates were introduced liquid phase into reactor. gaseous products formed reactor hydrogen, carbon monoxide, dioxide, methane, acetylene, ethylene. Coke also produced. energy efficiency 27 mol(H2)/kWh, it 36% theoretical efficiency. high value ob...

We report results on polarization-dependent photoinduced discharge in oriented fibers and films of ladder-type, electron-transporting polymer poly (ben-zimidazobenzophenanthroline), BBL. The photocarrier generation efficiency (φ) in the fiber which is indicated by the rate of discharge, is found to be distinctly higher for light polarized parallel to the fiber axis (P) as compared to the radial...

Direct methane activation on a mesoporous material under dielectric barrier discharge (DBD) plasma was investigated in the present study. The specific surface area of the mesoporous material (SBA-15) was controlled by varying the hydrothermal reaction temperature to investigate the effect of the specific surface area on the methane activation. As a result, methane conversion increased as the sp...

Industrialization of plasma De-NOx system needs combination of various technologies technologies. This article introduces these many technologies and discusses the technical problems and their solutions. Such technologies include system design, efficiency requirements, component design method, plasma chemical reactions, optimization of process, scheme of the system, modification of discharge mo...

A new type of ozone generator using a micro hollow cathode discharge has been developed. The electrode system consists of two thin metal cathodes and a ceramic spacer with center holes of a few100 mm diameter. The ozone generation efficiency increases up to 45 g/kWh at the ozone concentration of 7.6 g/Nm without any cooling systems by feeding highpressure oxygen. In this ozone generating system...

grams are not part of academic hospitals. Because hospitals are not financially accountable for their patients after discharge, only those hospitals with strong commitments to quality are likely to institute programs designed to ensure continuity of care between hospitalists and patients’ primary care physicians. Evidence suggests that hospitalist programs can be effective, but internal changes...

abstract one of the ways to increase economic and environmental efficiency of drainage systems is water table management. water table management consists of, controlled drainage and subirrigation. this study examines the effect of controlled drainage on yield, root distribution pattern and water use efficiency of maize (sc 704) in karaj. the experiment was performed as a randomized complete des...

Automatic detection and monitoring of oil spills and illegal oil discharges is of fundamental importance in ensuring compliance with marine legislation and protection of the coastal environments, which are under considerable threat from intentional or accidental oil spills, uncontrolled sewage and wastewater discharged. In this paper the level set based image segmentation was evaluated for the ...