Evaluation of Corrosion Resistance of Steel used in Concrete Reinforcement in Aqueous Media
Evaluation of Corrosion Resistance of Steel used in Concrete Reinforcement in Aqueous Media
Volume 29, Issue 12 , September 2011, Page 497-506

https://doi.org/10.30684/ etj.29.12.17

Abstract
  This paper is aimed to study the corrosion resistance of iron which used in concrete layer in aqueous media (Rain water, Sea water, Tap water). Specimens was manufactured as cylinder ...  Read More ...
The Cytotoxicity Effect of Ethanolic Crude Extract of Petroselinum Crispum on Cancer Cell Line Hela
The Cytotoxicity Effect of Ethanolic Crude Extract of Petroselinum Crispum on Cancer Cell Line Hela
Volume 29, Issue 12 , September 2011, Page 507-517

https://doi.org/10.30684/ etj.29.12.18

Abstract
  This study amid to investigate the effects of ethanolic crude extract of Petroselium cripum leaves on the proliferation of the cancer cell line HeLa . The cytotoxicity of cancer cell ...  Read More ...
Effect of Heat Treatments on The Mechanical Properties And Wear Resistance of Al- Alloy Matrix Composite
Effect of Heat Treatments on The Mechanical Properties And Wear Resistance of Al- Alloy Matrix Composite
Volume 29, Issue 12 , September 2011, Page 518-533

https://doi.org/10.30684/ etj.29.12.19

Abstract
  Metal matrix composite (MMCs) of the base alloy (Al-0.978%Mg-1.03%Si) reinforced with SiC particles (10 wt %) with particle size (53-106) μm was prepared by stir casting using vortex ...  Read More ...
Separation of Iron Oxide from Red Kaolinite
Separation of Iron Oxide from Red Kaolinite
Volume 29, Issue 12 , September 2011, Page 534-541

https://doi.org/10.30684/ etj.29.12.20

Abstract
  The research aims to separate the Iron oxide from kaolinite by leaching the iron from the ore by using oxalic acid at different Quantities and at different (times, PH). The optimum ...  Read More ...
An Investigation of Natural Convection Heat Transfer in a Square Enclosure Filled with Nanofluid
An Investigation of Natural Convection Heat Transfer in a Square Enclosure Filled with Nanofluid

Ayad M. Salman

Volume 29, Issue 12 , September 2011, Page 2346-2363

https://doi.org/10.30684/ etj.29.12.1

Abstract
  In this research, numerical solution of natural convection heat transfer of nanofluids in two-dimensional square enclosures is obtained for different values of Rayleigh numbers and ...  Read More ...
Implementation Of 3D Virtual Poetry Image By Using Bezier Cubic Splines And Open GL Primitives
Implementation Of 3D Virtual Poetry Image By Using Bezier Cubic Splines And Open GL Primitives

Monem S. Rahma; Abd Al; Luma Faik Jalil Khalil

Volume 29, Issue 12 , September 2011, Page 2364-2374

https://doi.org/10.30684/ etj.29.12.2

Abstract
  This paper presents suggested algorithm to draw or generate a 3D virtual poetry image from Arabic poetry text. Bezier curves had been used to generate this image depending on some computed ...  Read More ...
Al - Kalij Sub-Station: Feeder Reconfiguration by Particle Swarm Optimization
Al - Kalij Sub-Station: Feeder Reconfiguration by Particle Swarm Optimization

Qais M. Alias; Rana Ali Abttan

Volume 29, Issue 12 , September 2011, Page 2375-2385

https://doi.org/10.30684/ etj.29.12.3

Abstract
  This paper presents the solution approach for the optimal reconfiguration problem in distribution networks implementing Particle Swarm Optimization (PSO) technique. Network reconfiguration ...  Read More ...
Non-Sinusoidal Loading Effect on Oil Immersed Power Transformers
Non-Sinusoidal Loading Effect on Oil Immersed Power Transformers

Mohammed k.Edan

Volume 29, Issue 12 , September 2011, Page 2386-2400

https://doi.org/10.30684/ etj.29.12.4

Abstract
  Transformers are usually designed for nominal frequency and sinusoidal load current. Nowadays, usage of non-linear loads such as power electronics loads has extremely increased. These ...  Read More ...
Enhancement of Iraqi National Grid Stability using Power System Stabilizers
Enhancement of Iraqi National Grid Stability using Power System Stabilizers

Kosay A. Majbor; Hayfaa M. Al- Rudayni

Volume 29, Issue 12 , September 2011, Page 2401-2413

https://doi.org/10.30684/ etj.29.12.5

Abstract
  In general, electrical power stations are constructed far from load regions because of pollution problems and using long transmission lines for high voltage. Also, the networks are ...  Read More ...
Mean Drift Length During a Semi Wave of the CW Radio-Frequency Field
Mean Drift Length During a Semi Wave of the CW Radio-Frequency Field

Ibrahim K. Fayyadh; Muhammad I. Ismaeel; Kasem R. Ali

Volume 29, Issue 12 , September 2011, Page 2414-2438

https://doi.org/10.30684/ etj.29.12.6

Abstract
  In this work we study mean drift length during a semi wave of the CW radiofrequency field the behavior of the diffusion particles in the pure Helium gas whose plays important role in ...  Read More ...
Harmonics Study of 3-Phase Space Vector PWM Inverter
Harmonics Study of 3-Phase Space Vector PWM Inverter

Ahamed Assad Hadi; Majid K. Al-Khatat

Volume 29, Issue 12 , September 2011, Page 2439-2455

https://doi.org/10.30684/ etj.29.12.7

Abstract
  This paper proposes the modeling ,implementation and simulation of three phase induction motor driver, using voltage- fed space vector pulse width modulation technique (SVPWM).The sources ...  Read More ...
Experimental and Theoretical Study of Square Deep Drawing
Experimental and Theoretical Study of Square Deep Drawing

Karem Muhsin Younis; Adil Shbeeb Jaber

Volume 29, Issue 12 , September 2011, Page 2456-2467

https://doi.org/10.30684/ etj.29.12.8

Abstract
  This work aim to study the effect of process parameters used in square deep drawing operation such as ; die and punch profile radius, blank size, blank shape, on produced cup wall thickness, ...  Read More ...
Effect of Crack and Cutout on Vibration Characteristics of A Laminated Composite Plates Using Nonlinear Finite Element Analysis
Effect of Crack and Cutout on Vibration Characteristics of A Laminated Composite Plates Using Nonlinear Finite Element Analysis

Nabil Hassan Hadi; Kayser Aziz Ameen

Volume 29, Issue 12 , September 2011, Page 2468-2490

https://doi.org/10.30684/ etj.29.12.9

Abstract
  A nonlinear finite element model for geometrically large amplitude free vibration analysis of composite laminated plate using high order shear deformation theory used in this work. ...  Read More ...
Proposed System for HTC Phone Data Management
Proposed System for HTC Phone Data Management

Alaa Kadim; Hasanen S. Abdullah

Volume 29, Issue 12 , September 2011, Page 2491-2500

https://doi.org/10.30684/ etj.29.12.10

Abstract
  In the last years the electronic networks were used in several practical field of life. The mobile networks is considered one of the important and powerful type of these networks, that ...  Read More ...
Polymeric Additives Effect on Mechanical Properties for Bitumen Based Composites
Polymeric Additives Effect on Mechanical Properties for Bitumen Based Composites

Khalid M. Eweed

Volume 29, Issue 12 , September 2011, Page 2501-2519

https://doi.org/10.30684/ etj.29.12.11

Abstract
  Bitumen binder is a thermoplastic liquid and the elementary analysis of the bitumen manufactured from a variety of crude oils shows that most bitumen contains carbon, hydrogen, sulphur, ...  Read More ...
Statistical and Visual Analysis of Error In Interpolating Sculptured Surfaces
Statistical and Visual Analysis of Error In Interpolating Sculptured Surfaces

Tahseen F. Abbas; Aqeel S. Baden; Muhamed A. Salih

Volume 29, Issue 12 , September 2011, Page 2520-2538

https://doi.org/10.30684/ etj.29.12.12

Abstract
  This paper presents a general method for automatic surface interpolation from range data and describes the implementation of high order 2D langrangian methods for interpolating surfaces ...  Read More ...
Particle Swarm Optimization for Total Operating Cost Minimization in Electrical Power System
Particle Swarm Optimization for Total Operating Cost Minimization in Electrical Power System

Mohammed H. al-khafaji; Shatha S.Abdulla al-kabragyi

Volume 29, Issue 12 , September 2011, Page 2539-2550

https://doi.org/10.30684/ etj.29.12.13

Abstract
  This paper presents solution of economic dispatch problem via a particle swarm optimization algorithm (PSO). The objective is to minimize the total generation fuel cost and keep the ...  Read More ...
Image Encryption using Resilient Boolean Function and DCT
Image Encryption using Resilient Boolean Function and DCT

Hussam A. Darweesh; Ekbal H. Ali; Azhar Malik

Volume 29, Issue 12 , September 2011, Page 2551-2563

https://doi.org/10.30684/ etj.29.12.14

Abstract
  The information security is becoming more important in data storage and transmission, where images are widely used in it. The Stream cipher cryptosystems are extensively used for provide ...  Read More ...
Studying and Modeling The Effects of Quartz Addition and Heat Treatment on Corrosion Properties of Ceramic Coating
Studying and Modeling The Effects of Quartz Addition and Heat Treatment on Corrosion Properties of Ceramic Coating

Ali H. Ataiwi; Ibtihal A. Mahmood; Jabbar H. mohmmed

Volume 29, Issue 12 , September 2011, Page 2564-2579

https://doi.org/10.30684/ etj.29.12.15

Abstract
  In this work, a new glass-ceramic coating has been developed and applied, as a single coat without prior chemical treatment of the surface, by using the dipping technique on metal substrate. ...  Read More ...
Design and Implementation of Microcontroller Based Portable Drug Delivery System
Design and Implementation of Microcontroller Based Portable Drug Delivery System

Mohammed Sabah Jarjees

Volume 29, Issue 12 , September 2011, Page 2580-2588

https://doi.org/10.30684/ etj.29.12.16

Abstract
  Portable drug delivery system or portable syringe pump system is a small infusion pump used to gradually deliver drugs, at low doses and at a constant or controllable rate of drug to ...  Read More ...