Search Results - "Helal, A.G."

Improvement of extracted ion beam from cold cathode Penning ion source by Radwan, Samah I., El-Khabeary, H., Helal, A.G.

“…A direct current cold cathode Penning ion source is operated at the optimum parameters and pressure equal to 7×10−4 mmHg using argon gas. It consists of a…”
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Diallel analysis and separation of genetic variance components in eight faba bean genotypes by Ghareeb Zeinab, E., Helal, A.G.

“…The present investigation was carried out at Genetic Resources Department-Bahtim, to evaluate eight faba bean varieties in diallel crosses set. Twenty-eight…”
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Simulation of ion beam bombardment using Bayfol CR 6-2 by Radwan, S.I., Shehata, M.M., El-Khabeary, H., Helal, A.G.

“…In this work, the simulation of ion beam bombardment in Bayfol CR 6-2 polymer at energies varies from 5keV to 45keV was determined. The simulation process was…”
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Investigation and application of hollow anode glow discharge ion source by Abdelsalam, F.W., Helal, A.G., Saddeek, Y.B., Abdelrahman, M.M., Soliman, B.A.

“…In the present work, a new shape of a glow discharge ion source has been designed, fabricated and constructed at Accelerators and Ion Sources Department,…”
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Operating characteristics of the hollow anode glow discharge ion source by Abdelsalam, F.W., Helal, A.G., Abdelrahman, M.M., Soliman, B.A.

“…In this work, a new shape of a glow discharge ion source with axial extraction has been designed and constructed. High output ion beam current can be extracted…”
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Technological and physical aspects of a constricted RF ion source by Aziz, M.E.A., Salam, F.W.A., Talat, M.H., Helal, A.G., El-Khabeary T., H., El-Merai, N.T.

“…Experimental results are given for the perveance at different pressures and RF power using nitrogen and argon ions. The results are taken using a constricted…”
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