Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3
Effect of Dual Reinforcement on Wear Resistance by Aluminum Compacts Reinforce by SiC, Al2O3

Mohammed Saeed. Waheed; Hassan Hamed. Abed

Volume 27, Issue 13 , September 2009, , Page 423-429

https://doi.org/10.30684/etj.27.13.19

Abstract
  The producing composite materials of dual reinforcement in which the matrix material is aluminum reinforced with two types of ceramic particles : which are Alumina (50μmKeywordscomposite ...  Read More ...
Encrypting Audio Data Hiding by Visual Secret Sharing
Encrypting Audio Data Hiding by Visual Secret Sharing

Nidaa F. Hassan; Rehab F. Hassan; Akbas E. Ali

Volume 27, Issue 13 , September 2009, , Page 2352-2364

https://doi.org/10.30684/etj.27.13.8

Abstract
  Steganography and cryptography are usually used to ensure informationsafety in today’s data communication. This paper makes use of audiosteganography technique and encrypted secret ...  Read More ...