Engineering and Technology Journal

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Number of Articles: 2
Theoretical Study of fractal shape material of negative refractive index
Theoretical Study of fractal shape material of negative refractive index

Amer Basim Shaalan; Sami salman chiad; Nadir Fadhil Habubi; Nidhal Nissan Jandow; Ammar Nadal Shareef

Volume 33, 5B , June 2015, , Page 813-818

https://doi.org/10.30684/etj.33.5B.6

Abstract
  Advanced materials are artificial structure materials that exhibit properties not found in nature. Material that has a negative refractive index (left-handed materials) is found to ...  Read More ...
On Left s -Centralizers Of Jordan Ideals And Generalized Jordan Left (s ,t ) -Derivations Of Prime Rings
On Left s -Centralizers Of Jordan Ideals And Generalized Jordan Left (s ,t ) -Derivations Of Prime Rings

Abdulrahman H. Majeed; Anwar Khaleel Faraj

Volume 29, Issue 3 , February 2011, , Page 544-553

https://doi.org/10.30684/etj.29.3.11

Abstract
  In this paper we generalize the result of S. Ali and C. Heatinger on left s - centralizer of semiprime ring to Jordan ideal, we proved that if R is a 2-torsion free prime ring, U is ...  Read More ...