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Vol. 31  No.2   2008

P.

 

 

In Memory of the Centennial Birthday of Prof. Dr. Mahmoud A. El Sherbini

[00]

   

Monte Carlo Simulation of Ising Spins on Triangular Lattice with Different Exchange Couplings

 Khalid Bannora, G. Ismail and M. Abu Zeid

 

 

 

 

[157]

   
Detection of Two Phases Coexisting at the Phase Transition Temperature in LiNbO3 single crystal by using Raman Spectroscopy 

 Rasha M. Khafagy

 

 

 

 

[171]

 

 

 

Investigation of Precipitation in Aluminum-Copper alloy using positron annihilation lifetime technique

 

E. Hassan Aly, M. Mohsen,  Emad M. Ahmed

 

 

 

[181]

 

 

 

Dispersion and Fundamental Absorption Edge Analysis of Doped a-Si:H thin Films I : p-type

Assem Bakry

 

 

 

 

[191]

 

 

 

Enhancement of Electrical Conductivity of ZnO Ceramic Varistor by Al doping

A. Sedky, Ayman Al- Sawalha and Amal M. Yassin

 

 

 

[205]

 

 

 

Thermal and structural modifications induced by X-Ray irradiation in polycarbonate

E. M. Sakr

 

 

 

[217]

 

 

 

Two Dimensional Temperature Distribution Resulting From Propagation of a Light Beam Through an Amplifying Medium

 

M. M. El-Nicklawy, A. F. Hassan, El. M. A. Nasr, A.A. Hemida, S. L. Diab,
S. M. El-Genedy

 

 

 

[231]

 

 

 

Emission of X-Rays through the Recombination in the Collision of F-like Ions with Energetic Free Electrons

H. Hanafy and F. Shahin

 

 

 

 

[259]

 

 

 

Genetic Programming for Modeling a Nonlinear Optical System

Amr Radi   and   S. K. Hindawi

 

 

[269]

 

 

 

Accurate Investigation of the Effect of Temperature and Pressure on the Transport coefficients of Carbon Dioxide as an Environmental Pollutant Gas with the Aid of Laser Application (3)

 

R. Ghazy, N. Hendawy, S. Said, and H. Nafie

 

 

 

 

 

[277]

   

 

 

   
   
   
 

 

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