Effect of Steel Fiber on The Behavior of Deep Beams With and Without Web Opening
Effect of Steel Fiber on The Behavior of Deep Beams With and Without Web Opening

Ahmed S. Diab; Ihsan A. S. Al-Shaarbaf; Sabih Z.Al-Sarraf

Volume 29, Issue 1 , January 2011, Page 1-19

https://doi.org/10.30684/etj.29.1.1

Abstract
  This study investigates experimentally the strengthening of reinforced concrete deep beams using steel fibers. The experimental work could be divided in two parts, the first part consists ...  Read More ...
The Cytogenetic Effects of Crude Ethanol Extracts of Petroselium Crspum Leaves on Bone Marrow In Mice (Mus Musculus)
The Cytogenetic Effects of Crude Ethanol Extracts of Petroselium Crspum Leaves on Bone Marrow In Mice (Mus Musculus)
Volume 29, Issue 1 , January 2011, Page 1-10

https://doi.org/10.30684/etj.29.1.15

Abstract
  This study aimed to investigate the cytogenetic effects of ethanol extract of Petroselium crispum leaves on somatic cells of albino mice Mus musculus.Four doses (250,500,1000,2000)mgkg ...  Read More ...
Study of Degradation Effect on Physical Properties of Methyl Orange Doped PMMA
Study of Degradation Effect on Physical Properties of Methyl Orange Doped PMMA

Mohamad S; Nahida J.Hameed Al-Mashhadan

Volume 29, Issue 1 , January 2011, Page 20-32

https://doi.org/10.30684/etj.29.1.2

Abstract
  The samples were cast as thin film from homopolymer (PMMA) before and after doping with methyl orange at different concentration. The samples were exposed to UV-radiation for exposure ...  Read More ...
Improving erosion corrosion resistance of medium carbon steel using electro less nickel plating
Improving erosion corrosion resistance of medium carbon steel using electro less nickel plating
Volume 29, Issue 1 , January 2011, Page 31-44

https://doi.org/10.30684/etj.29.1.17

Abstract
  This research devoted to studying improvement resistance for the medium carbon steel to erosion corrosion by coated with electro less nickel plating and used in this coated acid bath ...  Read More ...
Watermarking for Relational Database by using Threshold Generator
Watermarking for Relational Database by using Threshold Generator

Bashar Saadoon Mahdi; Yossra H. Ali

Volume 29, Issue 1 , January 2011, Page 33-43

https://doi.org/10.30684/etj.29.1.3

Abstract
  Providing ownership on relational database is a crucial issue in today internet-based application environments and in many content distribution applications.This paper provides the ...  Read More ...
The Effect of Using Glass Powder Filler on Hot Asphalt Concrete Mixtures Properties
The Effect of Using Glass Powder Filler on Hot Asphalt Concrete Mixtures Properties

Hassan H. Jony; Israa Y. Jahad; Mays F. Al-Rubaie

Volume 29, Issue 1 , January 2011, Page 44-57

https://doi.org/10.30684/etj.29.1.4

Abstract
  The early use of asphalt for road and street construction began in the late 1800s, and grew rapidly with the emerging automobile industry. Since that time, asphalt technology has made ...  Read More ...
Study the Effect of Spheroidizing Annealing on Mechanical Properties of Medium Carbon Steel
Study the Effect of Spheroidizing Annealing on Mechanical Properties of Medium Carbon Steel
Volume 29, Issue 1 , January 2011, Page 45-54

https://doi.org/10.30684/etj.29.1.18

Abstract
  The aim of present research is to study the effect of spheroidizing annealing for steel that contains (0.51% Ċ) on the hardness, wear rate, ultimate tensile strength, and ductility. ...  Read More ...
Influence of the Polymer Styrene Butadiene Rubber on Some of Clay Brick Properties
Influence of the Polymer Styrene Butadiene Rubber on Some of Clay Brick Properties
Volume 29, Issue 1 , January 2011, Page 55-65

https://doi.org/10.30684/etj.29.1.19

Abstract
  This research studied the improvement of clay brick durability by using two methods of treatment, the first one by coating with Styrene Butadiene Rubber (Polymer) solution and the other ...  Read More ...
Effect of Substrate Temperature on the Structural and Morphological Properties of Nano-structure ZnO films by Pulsed Laser Deposition
Effect of Substrate Temperature on the Structural and Morphological Properties of Nano-structure ZnO films by Pulsed Laser Deposition

Adawiya J. Haider; Afnan k. yousif

Volume 29, Issue 1 , January 2011, Page 58-64

https://doi.org/10.30684/etj.29.1.5

Abstract
  In this work, ZnO thin films were grown on sapphire (0001) substrate by Pulsed Laser Deposition using SHG with Q-switched Nd:YAG pulsed laser operation at 532nm in O2 gas ambient 5×10-2 ...  Read More ...
Speed Control of Wind Turbine by Using PID Controller
Speed Control of Wind Turbine by Using PID Controller

Fathi R. Abusief; Mohammed Abdulla Abdulsada; Furat A. Abbas

Volume 29, Issue 1 , January 2011, Page 65-71

https://doi.org/10.30684/etj.29.1.6

Abstract
  In this paper, the output frequency of a self excited induction generator (SEIG) driven by wind turbine and supplies static load are controlled. The principle connections of wind energy ...  Read More ...
Increased Porosity and Their Effect on The Density and Hardness Value of (Ni—Cu) Alloy
Increased Porosity and Their Effect on The Density and Hardness Value of (Ni—Cu) Alloy
Volume 29, Issue 1 , January 2011, Page 66-74

https://doi.org/10.30684/etj.29.1.20

Abstract
  This research is aimed to produce Ni-Cu alloys by powder metallurgy method because its commercial and technological importance. Nickel and Copper powders were tacked then their powders ...  Read More ...
Calculations of Long Pulsed Lasers for Lithotripsy
Calculations of Long Pulsed Lasers for Lithotripsy

Murooj N. Mohammad Ali

Volume 29, Issue 1 , January 2011, Page 72-81

https://doi.org/10.30684/etj.29.1.7

Abstract
  Urinary stone fragmentation with long pulsed Ho:YAG laser (wave length equal 2.1 μm) and Er:YAG laser (wave length equal 2.94 μm) investigated in this paper. Fragmentation efficiency ...  Read More ...
Materials Selection in Conceptual Design using Weighting Property Method
Materials Selection in Conceptual Design using Weighting Property Method

Suad Hamzah Abdas; Mithal A. Al-Bassam; Mohammed Jasim Kadhim

Volume 29, Issue 1 , January 2011, Page 82-95

https://doi.org/10.30684/etj.29.1.8

Abstract
  The needs to combine selection of materials (SM) processes during the early stages of design have previously been realized. In this work, an attempt is made to ensure that there is ...  Read More ...
Theoretical Investigation of Pneumatic Soil Vapor Extraction
Theoretical Investigation of Pneumatic Soil Vapor Extraction

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

Volume 29, Issue 1 , January 2011, Page 96-109

https://doi.org/10.30684/etj.29.1.9

Abstract
  Pneumatic Soil Vapor Extraction (SVE) is a new remediation technique targeting to improve removal of Volatile Organic Compounds from low permeable areas in heterogeneous soil settings ...  Read More ...
Use of Bernstein Polynomial in Numerical Solution of Nonlinear Fred Holm Integral Equation
Use of Bernstein Polynomial in Numerical Solution of Nonlinear Fred Holm Integral Equation

Khawla A .AL-Zubaidy; Muna M. Mustafa

Volume 29, Issue 1 , January 2011, Page 110-115

https://doi.org/10.30684/etj.29.1.10

Abstract
  In this paper, Bernstein polynomials with different degree has been used to approximate the solution of nonlinear Fredholm integral equations. A comparison between the different degree ...  Read More ...
Theoretical and Experimental Investigation of Tool Inclination Angle in Turning Operation
Theoretical and Experimental Investigation of Tool Inclination Angle in Turning Operation

Ali Abbar Khleif; Farhad Mohammad Kushnaw

Volume 29, Issue 1 , January 2011, Page 116-128

https://doi.org/10.30684/etj.29.1.11

Abstract
  This paper introduces a mathematical model to calculate the amount of tool inclination angle in turning operation depending on controlling the chip flow along the cutting edge, and ...  Read More ...
Tensile and Buckling Analysis of the Polymer Composite Beam Reinforced by Natural Jute Fiber
Tensile and Buckling Analysis of the Polymer Composite Beam Reinforced by Natural Jute Fiber

Mohamad Ali Tariq; Qahtan Adnan Hamad; Mohamad K. Alwan

Volume 29, Issue 1 , January 2011, Page 129-140

https://doi.org/10.30684/etj.29.1.12

Abstract
  This research focuses on the preparation of polymer matrix composite material by (hand lay – UP) method, where the material was prepared from unsaturated polyester resin (up) ...  Read More ...
Modeling, Analysis and Speed Control Design Methods of a DC Motor
Modeling, Analysis and Speed Control Design Methods of a DC Motor

Jamal A. Mohammed

Volume 29, Issue 1 , January 2011, Page 141-155

https://doi.org/10.30684/etj.29.1.13

Abstract
  Modern manufacturing systems are automated machines that perform the required tasks. The electric motors are perhaps the most widely used energy converters in the modern machine-tools ...  Read More ...