Digital Map of The Distribution of Metals In Iraq Using Geographic Information System Techniques
Digital Map of The Distribution of Metals In Iraq Using Geographic Information System Techniques

Alaa Dawood Salman; Yousif Husian Khalf; Nagham Amer Abedlateef

Volume 33, 3A , April 2015, Page 37-46

https://doi.org/10.30684/etj.33.3A.20

Abstract
  The ability of geographic information systems in preparing of geo data base and its represented as digital maps is verified through data processing of mineral materials. This research ...  Read More ...
Assessment of Heavy Metals Pollution in Soil Affected by Industrial Activities
Assessment of Heavy Metals Pollution in Soil Affected by Industrial Activities

Riyad Al-Anbari; Abdul Hameed M.J. Al Obaidy; Fatima H. Abd Ali

Volume 33, 3A , April 2015, Page 526-534

https://doi.org/10.30684/etj.33.3A.4

Abstract
  Twenty soil samples were collected in the Al-Duraa Refinery Industrial District. The soil samples displayed high concentrations of Cd, Cr, Ni, Pb and Zn than the calculated worldwide ...  Read More ...
Prediction of Fatigue-Creep Interaction Life of Aluminum Alloy AA7349 Using Electromechanical Devices
Prediction of Fatigue-Creep Interaction Life of Aluminum Alloy AA7349 Using Electromechanical Devices

Hussain J. Al-Alkawi; Fikrat Abdul Kareem; Asmaa Abdulqasim Mohammed Ali

Volume 33, 3A , April 2015, Page 535-547

https://doi.org/10.30684/etj.33.3A.9

Abstract
  In this present work, the behavior of AA7349 aluminum alloy under constant and cumulative creep-fatigue interaction has been studied by using an electrical system designed and built ...  Read More ...
Adaptive Antenna Capabilities In GSM Systems Performance Improvement
Adaptive Antenna Capabilities In GSM Systems Performance Improvement

Adheed Hasan Sallomi; Hussein Ali Hussein

Volume 33, 3A , April 2015, Page 548-559

https://doi.org/10.30684/etj.33.3A.3

Abstract
  In this work, the major impairment regarding the coverage and capacity of GSM system has been explained. This paper presents the adaptive antenna array systems as a promise technology ...  Read More ...
Comparison between Wavelet and Radial Basis Function Neural Networks for GPS Prediction
Comparison between Wavelet and Radial Basis Function Neural Networks for GPS Prediction

Farag Mahel Mohammed; Sameir A. Aziez; Huda Naji Abdul-Rihda

Volume 33, 3A , April 2015, Page 560-572

https://doi.org/10.30684/etj.33.3A.2

Abstract
  Neural networks are complex nonlinear models;this characteristic enables them to be used in nonlinear system modeling and prediction applications.The estimation and prediction are importantroles ...  Read More ...
Behavior of Reinforced Height Strengthened Concrete one Way Slabs Strengthened with CFRP Sheets
Behavior of Reinforced Height Strengthened Concrete one Way Slabs Strengthened with CFRP Sheets

Mazen D. Abdulah

Volume 33, 3A , April 2015, Page 573-589

https://doi.org/10.30684/etj.33.3A.5

Abstract
  The principal objective of this paper is the investigation of experimental and theoretical flexural behavior of reinforced high strength concrete one-way slabs strengthened or repaired ...  Read More ...
Effect of Vibration on the Heat Transfer Process in the Developing Region of Annulus with Rotating Inner Cylinder
Effect of Vibration on the Heat Transfer Process in the Developing Region of Annulus with Rotating Inner Cylinder

Mauwafak A. Tawfik; Akeel A. Mohammed; Hayder Zuhair Zain

Volume 33, 3A , April 2015, Page 590-611

https://doi.org/10.30684/etj.33.3A.6

Abstract
  Experimental investigation has been carried out to study the effect of induced vibration on the heat transfer process in the simultaneously developing of hydrodynamic and thermal boundary ...  Read More ...
Study the Robustness of Automatic Voltage Regulator for Synchronous Generator Based on Neuro-Fuzzy Network
Study the Robustness of Automatic Voltage Regulator for Synchronous Generator Based on Neuro-Fuzzy Network

Abdulrahim Thiab Humod; Yasir Thaier Haider

Volume 33, 3A , April 2015, Page 612-627

https://doi.org/10.30684/etj.33.3A.7

Abstract
  Modern power systems are complex and non-li‌near and their operating conditions can vary over a wide range, and since neuro - fuzzy networkcan be used as intelligent controllers to ...  Read More ...
Improving Displacement Efficiency of An Iraqi crude Oil by Surfactant
Improving Displacement Efficiency of An Iraqi crude Oil by Surfactant

Raad Mohamed J- Alkhalssi; Essam Abdul Jalilsaeed; Mohamed Ghazi Khalid

Volume 33, 3A , April 2015, Page 628-634

https://doi.org/10.30684/etj.33.3A.8

Abstract
  Surfactants have been considered for enhanced oil recovery by reducing oil-water interfacial tension. This research experimentally determines the influence of surfactant concentration ...  Read More ...
Mechanical Properties for Polymer Hybrid Composites Reinforced by Fibers and Particles
Mechanical Properties for Polymer Hybrid Composites Reinforced by Fibers and Particles

Ruaa Haitham Abdel-Rahim

Volume 33, 3A , April 2015, Page 635-643

https://doi.org/10.30684/etj.33.3A.1

Abstract
  The Mechanical properties of hybrid composites based on epoxy resin (ER) filled with metal powders (Al) and Glass fibers (GF) are studied. The specimens are prepared using hand lay-up ...  Read More ...
Management of Salinity Issues in Iraq's Agricultural Sector Using SWOT Analysis
Management of Salinity Issues in Iraq's Agricultural Sector Using SWOT Analysis

Adnan Zowain; Alhassan H. Ismail

Volume 33, 3A , April 2015, Page 644-658

https://doi.org/10.30684/etj.33.3A.10

Abstract
  Iraq's agricultural sector suffers from the salinity problem of agricultural land which reflects negatively on the production of field crops and agricultural land investment, particularly ...  Read More ...
New Technique for Producing Vacuum Concrete
New Technique for Producing Vacuum Concrete

Haitham Hazim Saeed; Anas Amjed Ezzulddin

Volume 33, 3A , April 2015, Page 659-667

https://doi.org/10.30684/etj.33.3A.11

Abstract
  In this work a new technique is used to produce vacuum dewatered concrete. In this technique perforated PVC pipes encased in cotton cloth are used to dewater concrete from inside of ...  Read More ...
Aircraft Pitch Control Using Type-2 Fuzzy Logic
Aircraft Pitch Control Using Type-2 Fuzzy Logic

Yamama A.shafeek

Volume 33, 3A , April 2015, Page 668-681

https://doi.org/10.30684/etj.33.3A.12

Abstract
  Modern aircrafts design is tending to employ automatic control in their every part.In this paper, an autopilot is designed to control the pitch of an aircraft using both PD-like type-1 ...  Read More ...
Comparison of FFT-Based and DCT-Based Channel Estimation and ECC for OFDM System
Comparison of FFT-Based and DCT-Based Channel Estimation and ECC for OFDM System

Awatif Ali Jafaar

Volume 33, 3A , April 2015, Page 682-693

https://doi.org/10.30684/etj.33.3A.13

Abstract
  Orthogonal Frequency Division Multiplexing (OFDM) has become a popular modulation method for high data rate wireless communications. In this paper, two schemes are proposed. In the ...  Read More ...
Experimental and FEM Study of Coated Inserts on Cutting Forces in Orthogonal Cutting
Experimental and FEM Study of Coated Inserts on Cutting Forces in Orthogonal Cutting

Maan A. Tawfiq; Basim S. Sahib

Volume 33, 3A , April 2015, Page 694-702

https://doi.org/10.30684/etj.33.3A.14

Abstract
  In this study, an attempt has been made to investigate and simulate the influence of coated layers, on the cutting force components in orthogonal turning process using AISI 1010 steel.A ...  Read More ...
Detection of Buried Utilities Using Electrical Resistivity Imaging (ERI) Technique
Detection of Buried Utilities Using Electrical Resistivity Imaging (ERI) Technique

Hussein H. Karim; Karim H. Ibrahim; Mohammad A. H. Al-Rubaye

Volume 33, 3A , April 2015, Page 703-719

https://doi.org/10.30684/etj.33.3A.15

Abstract
  The main objective ofthis paper is to show the ability of resistivity technique for investigating the buried utilities (their location and depth) for characterizing the surrounding ...  Read More ...
Detection of Fibers Content in UHPC Slabs
Detection of Fibers Content in UHPC Slabs

Hussein Al-Quraishi

Volume 33, 3A , April 2015, Page 720-728

https://doi.org/10.30684/etj.33.3A.16

Abstract
  Ultra high performance concrete (UHPC) is a cementationsmaterial with steel fiber, which is becoming more and morewidely employed in building construction. The advanced mechanical behavior ...  Read More ...
Effect Of Eigenfaces Level On The Face Recognition Rate Using Principal Component Analysis
Effect Of Eigenfaces Level On The Face Recognition Rate Using Principal Component Analysis

Eyad. I. Abbas

Volume 33, 3A , April 2015, Page 729-737

https://doi.org/10.30684/etj.33.3A.17

Abstract
  This paper presents an approach to study the effect of the different eigenfaces levels on the faces recognition rate using principal component analysis. The increase in the strength ...  Read More ...
Parametric Study of Continous Composite Steel-Concrete Beam with External Prestressing
Parametric Study of Continous Composite Steel-Concrete Beam with External Prestressing

Amer M. Ibrahim; Wissam D. Salman

Volume 33, 3A , April 2015, Page 738-752

https://doi.org/10.30684/etj.33.3A.18

Abstract
  In the present study, three-dimensional nonlinear finite element analyses were conducted to investigate the effect of several important parameters on the behavior of the external prestressed ...  Read More ...
Investigation of Wear Behavior of 1060 and 1095 Steels using Regression Analysis
Investigation of Wear Behavior of 1060 and 1095 Steels using Regression Analysis

Jamal Nasir Hussain Al Katib

Volume 33, 3A , April 2015, Page 753-761

https://doi.org/10.30684/etj.33.3A.19

Abstract
  The dry adhesive wear behavior of 1 060 and 1095 steels using pin on wheel wear test rig at room temperature under different wear conditions has been studied. The prepared specimens ...  Read More ...