Studying the Physical Properties of System (Al-BuC) Composite
Studying the Physical Properties of System (Al-BuC) Composite
Volume 28, Issue 10 , May 2010, Page 485-494

https://doi.org/10.30684/etj.28.10.19

Abstract
  The aim of this research is studying some physical properties (bulk density,apparent density, apparent porosity percentage, water absorption percentage) formetal matrix composite material. ...  Read More ...
Effect of Rapid Thermal Annealing on CuO Thin Film Prepared by PLD
Effect of Rapid Thermal Annealing on CuO Thin Film Prepared by PLD
Volume 28, Issue 10 , May 2010, Page 495-507

https://doi.org/10.30684/etj.28.10.20

Abstract
  In this study, thin films of CuO were deposited on glass substrates usingthermal laser evaporation technique. The structure characterization of the film wascarried out with XRD. The ...  Read More ...
Effect of Sintering Temperature on Some Physical And Mechanical Properties of Fabricated Hydroxyapatite Used For Hard Tissue Healing
Effect of Sintering Temperature on Some Physical And Mechanical Properties of Fabricated Hydroxyapatite Used For Hard Tissue Healing

Kahtan khalaf Al-Khazraji; Waleed Asim Hanna; Payman Suhbat Ahmed

Volume 28, Issue 10 , May 2010, Page 1880-1892

https://doi.org/10.30684/etj.28.10.1

Abstract
  This work focuses on studying the role of drying and calcination onstiochiometry and crystallinity of deposited HA. Also, studying the effect of sinteringtemperature on phases generated, ...  Read More ...
Least Squares Method For Solving Integral Equations With Multiple Time Lags
Least Squares Method For Solving Integral Equations With Multiple Time Lags

Suha N. Shehab; Hayat Adel Ali; Hala Mohammed Yaseen

Volume 28, Issue 10 , May 2010, Page 1893-1899

https://doi.org/10.30684/etj.28.10.2

Abstract
  The main purpose of this work is to propose an approximate method to solveintegral equation with multiple time lags (IEMTL) namely least squares methodwith aid of Chebyshev polynomials ...  Read More ...
Flow Zones In Unsaturated Soil Due To Barometric Pumping
Flow Zones In Unsaturated Soil Due To Barometric Pumping

Talib R. Abbas; Muhammad A.Abdul-Majeed; Inmar N.Ghazi

Volume 28, Issue 10 , May 2010, Page 1900-1909

https://doi.org/10.30684/etj.28.10.3

Abstract
  The study of gas flow in unsaturated soil is important for better modeling ofvolatile organic compounds (VOCs) transport. A gas flow in unsaturated soil can beinduced naturally by the ...  Read More ...
Nonlinear Finite Element Analysis of High Strength Lightweight Concrete Beams
Nonlinear Finite Element Analysis of High Strength Lightweight Concrete Beams

Farked Kais Ibrahim

Volume 28, Issue 10 , May 2010, Page 1910-1923

https://doi.org/10.30684/etj.28.10.4

Abstract
  This research work presents a nonlinear finite element investigation on thebehavior of lightweight reinforced concrete beams. This investigation is carriedout in order to get a better ...  Read More ...
The Artin's Exponent of A Special Linear Group SL(2,2k)
The Artin's Exponent of A Special Linear Group SL(2,2k)

Mohammed Serdar I.Kirdar; Lemia Abd Alameer Hadi

Volume 28, Issue 10 , May 2010, Page 1924-1933

https://doi.org/10.30684/etj.28.10.5

Abstract
  The set of all n×n non singular matrices over the field F form a group underthe operation of matrix multiplication, This group is called the general linear groupof dimension n ...  Read More ...
Power Control of Series-Parallel Resonant Inverter For Induction Heating Using Buck Converter
Power Control of Series-Parallel Resonant Inverter For Induction Heating Using Buck Converter

Turki K. Hassan; Enaam A. Ali

Volume 28, Issue 10 , May 2010, Page 1934-1959

https://doi.org/10.30684/etj.28.10.6

Abstract
  The purpose of this work is to study, analyze, and design a half-bridge seriesparallelresonant inverter for induction heating applications. A pulse width modulation(PWM)-based double ...  Read More ...
Diffusivity of water in Unplasticised PVC
Diffusivity of water in Unplasticised PVC

Awham M.H; Zaid Ghanem M. Salih

Volume 28, Issue 10 , May 2010, Page 1960-1966

https://doi.org/10.30684/etj.28.10.7

Abstract
  The current study concerns an investigation of diffusion mechanism ofdifferent kinds of water into thermoplastic material (type unplasticised PVC,(UPVC)) that is often used as pipes ...  Read More ...
Proposal of New Block Cipher Algorithm
Proposal of New Block Cipher Algorithm

Hilal Hadi Salih; Ahmed Tariq Sadiq; Alaa K. Farhan

Volume 28, Issue 10 , May 2010, Page 1967-1981

https://doi.org/10.30684/etj.28.10.8

Abstract
  Speed and complexity are two important properties in the block cipher.The block length of the block cipher controls these two aspects. The speedlimitation enforces the designer to build ...  Read More ...
Effect of Uv Radiation on Dielectric Constant And Thermal Conductivity In Epoxy Phenol Blends
Effect of Uv Radiation on Dielectric Constant And Thermal Conductivity In Epoxy Phenol Blends

Emad S. AL-Hassani

Volume 28, Issue 10 , May 2010, Page 1982-1990

https://doi.org/10.30684/etj.28.10.9

Abstract
  Epoxy-phenol system were prepared and studied before and after reinforcing withglass fibers (woven roven 0ο-90ο direction) with volume fraction (vf = 48%). Thesamples ...  Read More ...
Effect of Chemical Treatment on The Some Electrical And Thermal Properties For Unsaturated Polyester Composites Using Banana Fibers
Effect of Chemical Treatment on The Some Electrical And Thermal Properties For Unsaturated Polyester Composites Using Banana Fibers

Rafah A. Nassif

Volume 28, Issue 10 , May 2010, Page 1991-1996

https://doi.org/10.30684/etj.28.10.10

Abstract
  This study was carried out to investigate the effect of the chemicaltreatment of banana fibers on the physical properties of composites. Banana fiberswere treated with 10% sodium hydroxide ...  Read More ...
Effect of Heat Treatment on Changes In The Crystalline Domains In Mylar Film
Effect of Heat Treatment on Changes In The Crystalline Domains In Mylar Film

N. N. Rammo; M. Abd-Sattar Mohammed; A. H. Abd Al-Razak

Volume 28, Issue 10 , May 2010, Page 1997-2004

https://doi.org/10.30684/etj.28.10.11

Abstract
  Changes in the crystalline domains caused by heat treating Mylar filmsbetween Tg to 240 oC have been studied by Fourier Transform Infraredspectroscopy (FTIR) and X-ray Diffraction (XRD). ...  Read More ...
New Technique For Reducing Symmetry Mapping In Colored FIC Based on Moments Features
New Technique For Reducing Symmetry Mapping In Colored FIC Based on Moments Features

Abdul-Monem S.Rahma; Raheem A. S. Ugla

Volume 28, Issue 10 , May 2010, Page 2005-2014

https://doi.org/10.30684/etj.28.10.12

Abstract
  This paper studded the effect of symmetry mapping process on thecompression parameters of the fractal color image compression by momentfeatures was studded. Feature of moment utilized ...  Read More ...
Studying The Dielectric and Structural Properties of Baxsr1-Xtio3 (BST) Ferroelectric System Prepared by Using Oxalic Acid Route
Studying The Dielectric and Structural Properties of Baxsr1-Xtio3 (BST) Ferroelectric System Prepared by Using Oxalic Acid Route

Sabah M. Ali Ridha; Rawa A. Helal

Volume 28, Issue 10 , May 2010, Page 2015-2026

https://doi.org/10.30684/etj.28.10.13

Abstract
  BaxSr1-xTiO3 (BST) ferroelectric nano, poly crystalline systems wereprocessed with three concentrations (x = 0.5, 0.7 and 0.9) using a technique knownas oxalic acid route. The XRD spectra ...  Read More ...
A Study of Chaotic Behavior of Heat Transfer In Gas-Solid Fluidized Bed
A Study of Chaotic Behavior of Heat Transfer In Gas-Solid Fluidized Bed

e Al-Rubeai; Jamal Mane; Nabeel Majid Aliwi

Volume 28, Issue 10 , May 2010, Page 2027-2042

https://doi.org/10.30684/etj.28.10.14

Abstract
  Fluidized beds are characterized by high heat transfer rates between thebed and internal surfaces and have uniform temperature distribution that can beachieved in fluidized bed systems. ...  Read More ...
A Multiband Fractal Dipole Antenna for Wireless Communication Applications
A Multiband Fractal Dipole Antenna for Wireless Communication Applications

Jawad K. Ali; Essam M. Abdul-Baki; Mahir H. Hammed

Volume 28, Issue 10 , May 2010, Page 2043-2053

https://doi.org/10.30684/etj.28.10.15

Abstract
  mmunication applications. The proposed fractal antenna design is based onfractal geometry of the second level tent function transformation. Due to theresulting geometrical structures ...  Read More ...
Numerical Simulation of Buoyancy- Driven Laminar Flow Through An Air –Filled Isosceles Triangular Enclosure With A Differentially Heated Side Walls And An Adiabatic Bottom Wall
Numerical Simulation of Buoyancy- Driven Laminar Flow Through An Air –Filled Isosceles Triangular Enclosure With A Differentially Heated Side Walls And An Adiabatic Bottom Wall

Ahmed Kadhim Hussein; Salam Hadi Hussain

Volume 28, Issue 10 , May 2010, Page 2054-2069

https://doi.org/10.30684/etj.28.10.16

Abstract
  Thermal And Flow Fields Due To Laminar Free Convection In An IsoscelesTriangular Enclosure Having Thick Conducting Sidewalls Have Been InvestigatedComputationally. Inclined Left And ...  Read More ...
Removal of Cadmium(II) Onto Granular Activated Carbon And Kaolinite Using Batch Adsorption
Removal of Cadmium(II) Onto Granular Activated Carbon And Kaolinite Using Batch Adsorption

Jenan A. Al-Najar; Ramzy S. H; Zaydoon M. S

Volume 28, Issue 10 , May 2010, Page 2070-2080

https://doi.org/10.30684/etj.28.10.17

Abstract
  The removal of Cd(II) onto granular activated carbon (GAC) and kaolinite in singlecomponent systems has been studied using batch adsorption. Batch adsorption studied werecarried out ...  Read More ...
Quantum Simulated Annealing Algorithm
Quantum Simulated Annealing Algorithm

Rana Fareed Ghani

Volume 28, Issue 10 , May 2010, Page 2081-2090

https://doi.org/10.30684/etj.28.10.18

Abstract
  Simulated annealing (SA) has been considered as a good tool for searchand optimization problems which represent the abstraction of obtaining thecrystalline structure through a physical ...  Read More ...