Search Results - "Hefni, I."

Surface waves in a nonlinear magnetoelastic conductor of finite electric conductivity by Hefni, I.A.Z., Ghaleb, A.F., Maugin, G.A.

“…We use the basic equations given in a previous paper [1] to investigate the nonlinear surface wave propagation in an isotropic magnetoelastic half-space having…”
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One-dimensional bulk waves in a nonlinear magnetoelastic conductor of finite electric conductivity by Hefni, I.A.Z., Ghaleb, A.F., Maugin, G.A.

“…In this paper, an attempt has been made to study one-dimensional (1-D) wave propagation in a magnetoelastic medium of finite electric conductivity subjected to…”
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Surface waves in a nonlinear magnetothermoelastic perfect conductor by Hefni, I.A.Z., Ghaleb, A.F., Maugin, G.A.

“…We use the basic equations given in a previous paper by Hefni et al. [1] to investigate the nonlinear surface wave propagation (SWP) in an isotropic…”
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High-efficiency ultraflat low-noise varactor frequency converter using low-frequency pumping by Hefni, I., Spiwak, R.

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Measurements of Field Strength on Resonator Boundaries by Perturbation of Radiation Field by Hefni, I.

“…A new indirect method for measuring the absolute field strength at the boundaries of microwave resonators has been developed. The difference between the new…”
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The variable-drift biased-gap klystron by Hefni, I.

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A Stability Criterion for Tunnel Diode Amplifier (Correspondence) by Hefni, I., Barnes, W.C.

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The resonant iris as a diode mount-Broadband multidiode PIN modulator by El-Hefni, I., Blair, G.M.

“…A semiconductor diode mount in the form of a resonant iris is proposed. This mount eliminates the need for reduced-height waveguide transducers. Some…”
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Mechanical characteristics of solution grown potassium zinc chloride crystals doped with lithium ions by A. Abu El-Fadl, A.S. Soltan, M.A. Hefni, N.M. Shaalan

“…Results of indentation-induced hardness testing studies on potassium zinc chloride crystals doped with Li+ ions, leading to an under-standing of their…”
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