Concurrency Action in Construct Composition Form & Meaning
Concurrency Action in Construct Composition Form & Meaning

Ibrahim J.K. Al-Yousif

Volume 30, Issue 8 , April 2012, Page 179-196

https://doi.org/10.30684/etj.30.8.13

Abstract
  The built form distinguishes of the composition in concurrent form and meaning, but constructs it to convey the concept. While producing the meaning of the union of sequential and concurrential ...  Read More ...
Use of Critical path method inmaintenance planning of an electric power station
Use of Critical path method inmaintenance planning of an electric power station

Laith Noman Dawood; sawsan S.AL-zubaidy; Mahmoud Abbas Mahmoud

Volume 30, Issue 8 , April 2012, Page 197-211

https://doi.org/10.30684/etj.30.8.14

Abstract
  In this work studying of the strategy of preventive maintenance in the station was conducted and spatial planning combustion chambers inspection (CI) by using the critical path method ...  Read More ...
Using Anisotropic Silicon Etch for Change the Crystal Orientation of Silicon Wafer
Using Anisotropic Silicon Etch for Change the Crystal Orientation of Silicon Wafer

Saria D.mohammed; Arrej Rlyadh Saeed; Atheer Ibraheem Bbd

Volume 30, Issue 8 , April 2012, Page 212-227

https://doi.org/10.30684/etj.30.8.15

Abstract
  In this work، anisotropic silicon etch using KOH ، optical microscopic and X-ray diffraction testing، were used to determine the crystal orientation of the silicon wafer(100) plane ...  Read More ...
Prediction of Heat Transfer Coefficient of Pool Boiling Using Back propagation Neural Network
Prediction of Heat Transfer Coefficient of Pool Boiling Using Back propagation Neural Network

Salih Abdul Jabbar; Abbas Jawad Sultan; Hayder Alaa Maabad

Volume 30, Issue 8 , April 2012, Page 1293-1305

https://doi.org/10.30684/etj.30.8.1

Abstract
  Artificial neural network (ANN), in comparison with empirical correlations, has recently received more attention. The present paper includes predictive modeling of heat transfer coefficient ...  Read More ...
Design of Type-2 Fuzzy Logic Controller for a Simple Furnace System
Design of Type-2 Fuzzy Logic Controller for a Simple Furnace System

Saba T. Salim

Volume 30, Issue 8 , April 2012, Page 1306-1317

https://doi.org/10.30684/etj.30.8.2

Abstract
  Model uncertainty and robustness have been a central theme in the field of automatic control. Many control techniques are used to reduce the effects of uncertainty which may appear ...  Read More ...
Influence of Carbon Content on Elevated Temperature Fatigue Properties of Different Steel Alloys
Influence of Carbon Content on Elevated Temperature Fatigue Properties of Different Steel Alloys

Hessen J. Mohamed Alalkawi; Thabat. M. Ali; N.M. Abdulmuhssan; kiffaya Al-saffar

Volume 30, Issue 8 , April 2012, Page 1318-1328

https://doi.org/10.30684/etj.30.8.3

Abstract
  Fatigue properties (fatigue life and fatigue limit) of three different carbon content steel alloys, CK35, Y8 and Y10 were investigated at RT and 300 ºC fatigue testing. The main ...  Read More ...
Design of Micro Size Optical Scanner Systems
Design of Micro Size Optical Scanner Systems

Samira M. Arif; Mohamed S. Ahmed; Dayah N. Raouf

Volume 30, Issue 8 , April 2012, Page 1329-1341

https://doi.org/10.30684/etj.30.8.4

Abstract
  The design and analysis of micro optical scanner systems are presented. A simulate software was implemented to study, firstly, the effects of miniaturization on the general optical ...  Read More ...
Synthesize Nano ZnO-ZrO2 Composite by Combustion Method and Studying their Dielectric Properties
Synthesize Nano ZnO-ZrO2 Composite by Combustion Method and Studying their Dielectric Properties

Fadhil A.Chyad

Volume 30, Issue 8 , April 2012, Page 1342-1350

https://doi.org/10.30684/etj.30.8.5

Abstract
  Combustion method had been used to prepare a composite material from doping ZnO by 10 mol% ZrO2 . XRD showed a good crystalline powder comparing with ASTM cards. Dielectric properties ...  Read More ...
Spatial Multi-Criteria Assessment to Select Optimum Route To Improve Transportation Network in Al-Omarah City
Spatial Multi-Criteria Assessment to Select Optimum Route To Improve Transportation Network in Al-Omarah City

Maha O. Al-Mumaiz

Volume 30, Issue 8 , April 2012, Page 1351-1361

https://doi.org/10.30684/etj.30.8.6

Abstract
  The present study is focusing on development the accessibility of (Baghdad- Basrah) highway through choosing a new route for segment near Omarah city center, in addition to improve ...  Read More ...
Approximate Solution of Fractional Integro-Differential Equations by Using Bernstein Polynomials
Approximate Solution of Fractional Integro-Differential Equations by Using Bernstein Polynomials

Osama H. Mohammed; Sarmad A. Altaie

Volume 30, Issue 8 , April 2012, Page 1362-1373

https://doi.org/10.30684/etj.30.8.7

Abstract
  In this paper, Bernstein piecewise polynomial is used to approximate the solution of the fractional integro-differential equations, in which the fractional derivative is described in ...  Read More ...
Synthesis of Carbon Nanotubes Growth Using FeCl3 / Ethanol Catalyst by CVD Method
Synthesis of Carbon Nanotubes Growth Using FeCl3 / Ethanol Catalyst by CVD Method

Abdul Qader D. Faisal; Ahmed A. Moosa; Zainab A. Jawad

Volume 30, Issue 8 , April 2012, Page 1374-1380

https://doi.org/10.30684/etj.30.8.8

Abstract
  Carbon nanotubes (CNTs) were grown by chemical vapor deposition (CVD) method. FeCl3 was used as the precursor of iron which acts as the catalyst .Solution of FeCl3 in ethanol at concentration ...  Read More ...
PitchMode Downwash Transient Response at High Speed and High Altitude
PitchMode Downwash Transient Response at High Speed and High Altitude

Muhammad A. R. Yass; Ismaial Ibrahim; Naseer Hamed

Volume 30, Issue 8 , April 2012, Page 1381-1393

https://doi.org/10.30684/etj.30.8.9

Abstract
  In this research a study of the downwash effects for high altitudes and high speeds using a Transient Response approach, the longitudinal equation of motion including the effect of ...  Read More ...
Tx/Rx: Generation and Correlation of aCostas Array FM CodeUsing FPGA Spatran-3 Technology
Tx/Rx: Generation and Correlation of aCostas Array FM CodeUsing FPGA Spatran-3 Technology

Thamir R. Saeed

Volume 30, Issue 8 , April 2012, Page 1394-1404

https://doi.org/10.30684/etj.30.8.10

Abstract
  This paper describes a real time generation and correlation of Costas array FM code pulse compression using Field Programmable Gate Array (FPGA) for implementation, which provides the ...  Read More ...
Thin Films Ablation by Induced Forward Transfer Technique
Thin Films Ablation by Induced Forward Transfer Technique

Adawiya J. Haider; Iman H. Hadi

Volume 30, Issue 8 , April 2012, Page 1405-1414

https://doi.org/10.30684/etj.30.8.11

Abstract
  Laser-Induced Forward Transfer (LIFT) is a technique which enables the controlled transfer of a thin film material from a transparent carrier (donor) to a receiver substrate (acceptor). ...  Read More ...
Prediction of Metal Removal Rate and Surface Roughness in Electrochemical Machining (ECM)
Prediction of Metal Removal Rate and Surface Roughness in Electrochemical Machining (ECM)

Saad kariem Shather; Hiba Husien Alwan

Volume 30, Issue 8 , April 2012, Page 1415-1427

https://doi.org/10.30684/etj.30.8.12

Abstract
  Electrochemical Machining (ECM) is a relatively important method of removing metal by anodic dissolution. In this research the ECM was used to remove the metals from the internal hole ...  Read More ...