The Effect of Heat Treatment on Phase Formation of Ti-Al-C thin films
The Effect of Heat Treatment on Phase Formation of Ti-Al-C thin films

Ahmed Mohamed Hasan

Volume 30, Issue 19 , November 2012, Page 405-419

https://doi.org/10.30684/etj.30.19.15

Abstract
  A variety of different chemical compositions Titanium-Aluminum-Carbon thin films were achieved by combinatorial magnetron sputtering. The as-deposited ternary diagram can be divided ...  Read More ...
Study the Job Shop Scheduling By Using Modified Heuristic Rule
Study the Job Shop Scheduling By Using Modified Heuristic Rule

Ali F.Mwazie AL-hajamie; Sawsan S. AI-zubaidi

Volume 30, Issue 19 , November 2012, Page 3280-3300

https://doi.org/10.30684/etj.30.19.1

Abstract
  The process of scheduling is considered as one of the more important production planning processes which faces the management of companies, because of the pressure of competition processes. ...  Read More ...
T-Semi α-Operator
T-Semi α-Operator

Intidhar Z. Mushtt

Volume 30, Issue 19 , November 2012, Page 3301-3307

https://doi.org/10.30684/etj.30.19.2

Abstract
  In this paper we have defined the T-operator ,T-semia -operator and we studied the relation among them, and we define T-semia -open, Tsemi a -regular, and monotone operator, also we ...  Read More ...
Improvement of The Mechanical and Thermal Properties of Clay Bricks by Using Local Materials in Iraq
Improvement of The Mechanical and Thermal Properties of Clay Bricks by Using Local Materials in Iraq

Haqi Ismael Qatta

Volume 30, Issue 19 , November 2012, Page 3308-3327

https://doi.org/10.30684/etj.30.19.3

Abstract
  This research studies the effect of adding industrial wastes materials with different percentages on the thermal and mechanical properties of clay bricks . Different types of admixtures ...  Read More ...
A Neural Network Model to Predict Ultimate Strength of Rectangular Concrete Filled Steel Tube Beam – Columns
A Neural Network Model to Predict Ultimate Strength of Rectangular Concrete Filled Steel Tube Beam – Columns

Ahmed Sagban Saadoon; Kadhim Zuboon Nasser; Ihsan Qasim Mohamed

Volume 30, Issue 19 , November 2012, Page 3328-3340

https://doi.org/10.30684/etj.30.19.4

Abstract
  In this study, a model for predicting the ultimate strength of rectangular concrete filled steel tube (RCFST) beam-columns under eccentric axial loads has been developed using artificial ...  Read More ...
Deformation Analysis of Road Embankment Foundation Soil Improved with Fiber Glass
Deformation Analysis of Road Embankment Foundation Soil Improved with Fiber Glass

Zainab Ahmed Alkaisi; Zena Hadi Alqaissi; Najwa Wasif Jassim

Volume 30, Issue 19 , November 2012, Page 3341-3361

https://doi.org/10.30684/etj.30.19.5

Abstract
  The main objective of this research is to evaluate the improvement of embankment soil foundation soil using the fiber glass treatment. To accomplish the main objective, laboratory tests, ...  Read More ...
Preparing of Barium Titanate Using Chemical Method and Studying of Its Structural Properties
Preparing of Barium Titanate Using Chemical Method and Studying of Its Structural Properties

Mukhlis M. Ismail; Abdulkarim Z. Khalf; Rawa A. Helal; Oday N. Salman; Thawra F. Ramadan

Volume 30, Issue 19 , November 2012, Page 3362-3370

https://doi.org/10.30684/etj.30.19.6

Abstract
  Single crystalline BaTiO3 (BT) was prepared using TiCl4, BaCl2 and oxalic acid. The structure of the prepared nanocrystalline BT powders were a tetragonal perovskite according to XRD ...  Read More ...
Digital Single Phase Power Factor Optimizer Based on FPGA
Digital Single Phase Power Factor Optimizer Based on FPGA

Jabber H.Majeed

Volume 30, Issue 19 , November 2012, Page 3371-3383

https://doi.org/10.30684/etj.30.19.7

Abstract
  In this paper, an FPGA (Field-programmable gate array) model of digital single phase power factor optimizer has been built. The proposed optimizer is based on measuring the phase shift ...  Read More ...
The Effect of Hold Time on the Spring Back Phenomenon In A V- Dies Bending Process
The Effect of Hold Time on the Spring Back Phenomenon In A V- Dies Bending Process

Aseel Hamad Abed

Volume 30, Issue 19 , November 2012, Page 3384-3393

https://doi.org/10.30684/etj.30.19.8

Abstract
  Bending process is the one important process in the sheet metal forming in many industries, the main problem of bending process is the spring back phenomenon which is happens after ...  Read More ...
Influence of Inverter Switching Conditions on PMBLDC Motor Performance
Influence of Inverter Switching Conditions on PMBLDC Motor Performance

Jamal Abdul-Kareem Mohammed

Volume 30, Issue 19 , November 2012, Page 3394-3409

https://doi.org/10.30684/etj.30.19.9

Abstract
  Permanent Magnet Brushless DC (PMBLDC) motors are generally powered by a conventional three-phase voltage source inverter (VSI) or current source inverter (CSI) which is controlled ...  Read More ...
Study on the Effect of Annealing on Structural and SensingProperties of CdO Thin Films for (CO2 ,H2S) Gases
Study on the Effect of Annealing on Structural and SensingProperties of CdO Thin Films for (CO2 ,H2S) Gases

Hayder Mohammed Ajeel; Shatha Shammon Batros; Ashwaq Abdul Hussin Jabor; Karamh Abd Ali

Volume 30, Issue 19 , November 2012, Page 3410-3420

https://doi.org/10.30684/etj.30.19.10

Abstract
  Cadmium oxide (CdO) thin films have been deposited by Successive Ionic Layer Adsorption and Reaction (SILAR) method by using cadmium acetate at concentration 0.03 M and based solution ...  Read More ...
SWOT Analysis Map for Current Situation of Two Mahala in Najaf Center
SWOT Analysis Map for Current Situation of Two Mahala in Najaf Center

Abdul Razzak Ziboon; Imzahim Abdul Kareem Alwan; Hadeel J. Ali

Volume 30, Issue 19 , November 2012, Page 3421-3434

https://doi.org/10.30684/etj.30.19.11

Abstract
  This paper presents an analysis situation two Mahala in Najaf Center. It uses to determine all internal resources, capabilities and obstacles (strengths and weakness), and external ...  Read More ...
Natural Convection Heat Transfer in Enclosure with Uniformly Heated Inner Elliptic Cylinder and Outer square Cylinder
Natural Convection Heat Transfer in Enclosure with Uniformly Heated Inner Elliptic Cylinder and Outer square Cylinder

Akeel Abdullah Mohammed

Volume 30, Issue 19 , November 2012, Page 3435-3456

https://doi.org/10.30684/etj.30.19.12

Abstract
  Experimental and numerical simulation study for natural convection heat transfer formed by uniformly heated inclined elliptical cylinder concentrically located in an enclosed square ...  Read More ...
Fabrication of Te Micro-Tubes and TeO2 Micro-Wires From Powders by Cold Spray
Fabrication of Te Micro-Tubes and TeO2 Micro-Wires From Powders by Cold Spray

Mohammed S. Hamza; Alaa A. Abdul alhameed; Sinan salman Hamdi

Volume 30, Issue 19 , November 2012, Page 3457-3466

https://doi.org/10.30684/etj.30.19.13

Abstract
  A one-dimensional micro-structured tellurium (Te) microtube and tellurium dioxide (TeO2) microwire were successfully prepared by cold spray process in large scale by a facile approach ...  Read More ...
Testing the Applicability of Submerged Hollow Fiber Membrane Bioreactor (MBR) Technology for Municipal Wastewater Treatment in Iraq
Testing the Applicability of Submerged Hollow Fiber Membrane Bioreactor (MBR) Technology for Municipal Wastewater Treatment in Iraq

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

Volume 30, Issue 19 , November 2012, Page 3467-3473

https://doi.org/10.30684/etj.30.19.14

Abstract
  Operation of a one module hollow fiber submerged type MBR system was tested in this work. The system was operated at fixed permeate flowrate of 12 l/hr. The hydraulic retention time ...  Read More ...