Effect of Laser Surface Treatment on Some Mechanical Properties of Low Carbon Steel
Effect of Laser Surface Treatment on Some Mechanical Properties of Low Carbon Steel

Asaad K. Hamza; Enaam O.Hasuon; Khansaa D. Salman

Volume 30, Issue 12 , July 2012, Page 271-283

https://doi.org/10.30684/etj.2012.57264

Abstract
  This research aims to study the effect of localized laser surface treatment onmechanical behavior of low carbon steel. Laser Cw Nd : YAG was used in thetreatment hardening of the specimens ...  Read More ...
Study What Can be Achieved by the Lack of Flexural Strain Energy of Change for The Efficient Recovery of Novolak of The Elasticity As a Result of Fiber-Reinforcement
Study What Can be Achieved by the Lack of Flexural Strain Energy of Change for The Efficient Recovery of Novolak of The Elasticity As a Result of Fiber-Reinforcement

Rola Abdul Khader Abbas

Volume 30, Issue 12 , July 2012, Page 284-301

https://doi.org/10.30684/etj.2012.57265

Abstract
  This study deals, with the problem of the widening expanse of time to downloadis not limited to a certain mechanical property of clear-cut, but intertwined andbranched out and became ...  Read More ...
Front-Wall Illumination of Spray-Deposited PbS-Si HJ Detector
Front-Wall Illumination of Spray-Deposited PbS-Si HJ Detector

Kadhim A. Hubeatir

Volume 30, Issue 12 , July 2012, Page 2010-2015

https://doi.org/10.30684/etj.2012.57242

Abstract
  (n-p) PbS-Si HJ detector has been fabricated by pyrolytic spraying of PbSheterolayer onto p-type silicon wafer. PbS-side of illumination in the wavelengthrange (450-1150 nm) revealed ...  Read More ...
Development of the Electrical Conductivity of PEM Fuel Cell
Development of the Electrical Conductivity of PEM Fuel Cell

Nirvana A. A bud; Raid K. Salim

Volume 30, Issue 12 , July 2012, Page 2016-2026

https://doi.org/10.30684/etj.2012.57243

Abstract
  This research is aimed to develop the electrical conductivity of PEM fuel cellthrough the using of a series of graphite plates. The effect of width, thickness of platesin addition to ...  Read More ...
Automatic Features Recognition for Symmetrical Shapes
Automatic Features Recognition for Symmetrical Shapes

Amjad Barzan Abdulghafour; Mithal Ahmed Al-Bassam

Volume 30, Issue 12 , July 2012, Page 2027-2043

https://doi.org/10.30684/etj.2012.57244

Abstract
  The future of computer-aided design (CAD) and computer-aided manufacturing(CAM) depends on the ability of their two processes to communicate with eachother and with intermediate manufacturing ...  Read More ...
The Exprimental Parameters Effect on The Performance of Cromer Wheel System in Airconditioning Unit
The Exprimental Parameters Effect on The Performance of Cromer Wheel System in Airconditioning Unit

Ahmed J .Khaleel; Ahmed Q .Ahmed; Fawziea M.Hussien; Ahmed A.M.Saleh

Volume 30, Issue 12 , July 2012, Page 2044-2057

https://doi.org/10.30684/etj.2012.57247

Abstract
  The main aim of the present study is to design and test the dehumidify systemfor air-conditioning unit and testing rig to find out the performance of usingpolymer technique to control ...  Read More ...
Proposal for Designing of New BIOS Program
Proposal for Designing of New BIOS Program

Hussein Abdulameer Abdulkadhim; Yousra Ahmed Fadhil; Noor Abdulateef Hassan

Volume 30, Issue 12 , July 2012, Page 2058-2066

https://doi.org/10.30684/etj.2012.57249

Abstract
  In this paper, a proposal for designing and implementation of general BIOS program have been done. This program consider as a modified version derived from previous versions with configure ...  Read More ...
Proposal for Complex AES Security using key Generator and Text Permutation
Proposal for Complex AES Security using key Generator and Text Permutation

Shatha Habeeb

Volume 30, Issue 12 , July 2012, Page 2067-2075

https://doi.org/10.30684/etj.2012.57252

Abstract
  Advanced Encryption Standard (AES) is a symmetric-key encryption each ofthese ciphers has a 128-bit block size, with key sizes of 128, 192 and 256 bits. The AES cipher is specified ...  Read More ...
Mechanical, Electrical and Thermal Properties of Polypropylene and Polycarbonate Blend Filled with Carbon Black
Mechanical, Electrical and Thermal Properties of Polypropylene and Polycarbonate Blend Filled with Carbon Black

Fadhil Abbas Hummdai

Volume 30, Issue 12 , July 2012, Page 2076-2086

https://doi.org/10.30684/etj.2012.57257

Abstract
  In this work a composite materials were prepared containing matrix of polymer blend (polypropylene 80% + polycarbonate 20%) reinforced by (carbon black) with different of weight fraction ...  Read More ...
Effect of Mixing Time and Temperature on the Rheology ofWater/Oil Emulsion
Effect of Mixing Time and Temperature on the Rheology ofWater/Oil Emulsion

Laith S.Sabri

Volume 30, Issue 12 , July 2012, Page 2087-2101

https://doi.org/10.30684/etj.2012.57258

Abstract
  A study of temperature effect with a significant impact on rheology fluid, mixing time, and also volume fractions was carried out. In this study, the w/o emulsions were prepared into ...  Read More ...
A Study of the Spectral Properties of Rhodamine (6G&B) DyesMixture Dissolved in Chloroform
A Study of the Spectral Properties of Rhodamine (6G&B) DyesMixture Dissolved in Chloroform

Slafa I. Ibrahim

Volume 30, Issue 12 , July 2012, Page 2102-2115

https://doi.org/10.30684/etj.2012.57259

Abstract
  The spectral properties (absorption and fluorescence) of laser dyes (R6G& R B)mixture have been studied; this type of laser dye belongs to the Xanthenes family,and has been dissolved ...  Read More ...
A molecular Study of Azoospermia & Sever Oligospermia in a sample of infertile Males Al-Anbar Governorate
A molecular Study of Azoospermia & Sever Oligospermia in a sample of infertile Males Al-Anbar Governorate

Samir M.Khalaf; Adel F.Shehab; Akeel H.A.Al-Asse

Volume 30, Issue 12 , July 2012, Page 2116-2124

https://doi.org/10.30684/etj.2012.57260

Abstract
  Infertility is one of the major public health problems in the Arab world, as it affects about 15% of couples seeking children. in 50% of these cases, the male partner is responsible ...  Read More ...
Proposed Combined PTS with Clipping and Filtering Technique for PAPR Reduction in OFDM System
Proposed Combined PTS with Clipping and Filtering Technique for PAPR Reduction in OFDM System

Ghanim Abd AL Kareem

Volume 30, Issue 12 , July 2012, Page 2125-2137

https://doi.org/10.30684/etj.2012.57261

Abstract
  One of the major drawbacks of OFDM is high Peak-to-Average Power Ratio(PAPR) which can result in poor power efficiency and serious distortion in the transmitter amplifier. In this paper, ...  Read More ...
Optoelectronic Properties of CdSe/Si Heterojunction
Optoelectronic Properties of CdSe/Si Heterojunction

Waseem Najeeb Ibrahim

Volume 30, Issue 12 , July 2012, Page 2138-2149

https://doi.org/10.30684/etj.2012.57262

Abstract
  In this paper n-CdSe/p-Si heteroj unction photodetector was fabricated bythermal-evaporation technique of CdSe thin film grown onto single crystalline Sisubstrate . The energy gap of ...  Read More ...
Early Detection of Disease-Viral Hepatitis Type-C Using Elman Artificial Neural Network
Early Detection of Disease-Viral Hepatitis Type-C Using Elman Artificial Neural Network

Ghaidaa Kaain Salih

Volume 30, Issue 12 , July 2012, Page 2150-2164

https://doi.org/10.30684/etj.2012.57263

Abstract
  The problem of founding important information in complex medical images which are needed in diagnosing of diseases with the complex data considered as one of the predication problem ...  Read More ...