Engineering and Technology Journal

Author = Tawfiq, Esam A.

Number of Articles: 2
Study the Effect the Laser Intensity on the Behavior of the Kinetic Energy, Drift Energy and the Total Energy of the Silver Plasma
Study the Effect the Laser Intensity on the Behavior of the Kinetic Energy, Drift Energy and the Total Energy of the Silver Plasma

Esam A. Tawfiq

Volume 38, 3B , December 2020, , Page 142-149

https://doi.org/10.30684/etj.v38i3B.1346

Abstract
  The particle-in-cell plasma simulation program in two dimensions was developed to display the properties of silver plasma under the effect of Ruby laser 694.3 nm with different intensities; ...  Read More ...
Effect of Temperature and Concentration on the Optical Properties of PVC Solutions
Effect of Temperature and Concentration on the Optical Properties of PVC Solutions

Esam A. Tawfiq; Shams. M. Abdul kareem

Volume 36, 2B , December 2018, , Page 170-174

https://doi.org/10.30684/etj.36.2B.14

Abstract
  In this paper, effects of temperature and concentration on theabsorption spectra for Polyvinyl chloride solutions are studied at wavelengthsfrom 200 to 400 nm and with the range of ...  Read More ...