Reducing the Concentrations of Chromium and Cyanide from Industrial Wastewater By Chemical Treatments Substitutes
Reducing the Concentrations of Chromium and Cyanide from Industrial Wastewater By Chemical Treatments Substitutes
Volume 29, Issue 6 , April 2011, Page 271-276

https://doi.org/10.30684/ etj.29.6.16

Abstract
  The attempt on Chromium and Cyanide removing from industrial wastewater of chemical plotting was achieved by using the natural polymer ( animal gelatin 0 and calcium salts . Among three ...  Read More ...
Effect of Additives of Recycled Al Alloy on the Microstructure & Mechanical Properties of Standard Al-Si Alloy Which Produced by Precision Casting
Effect of Additives of Recycled Al Alloy on the Microstructure & Mechanical Properties of Standard Al-Si Alloy Which Produced by Precision Casting
Volume 29, Issue 6 , April 2011, Page 277-290

https://doi.org/10.30684/ etj.29.6.17

Abstract
  The expansion in using Al-Si Alloys for the industrial and engineering applications for their distinguished properties, presented in the combination between mechanical properties and ...  Read More ...
Compromise Study Between The Hydrate And Dehydrate Coagulate (Alum ,Ferrous sulfate and Ferric Chloride )
Compromise Study Between The Hydrate And Dehydrate Coagulate (Alum ,Ferrous sulfate and Ferric Chloride )
Volume 29, Issue 6 , April 2011, Page 291-305

https://doi.org/10.30684/ etj.29.6.18

Abstract
  This research focuses on the use of hydrate and dehydrate aluminum sulfate (Alum) ,ferrous sulfate and ferric chloride ,Which burnt in different temperatures degrees ,or use U.S.Pat.NO.4105747 ...  Read More ...
Assessment Lead Content In Skin Whitening Products Available In Iraqi Markets
Assessment Lead Content In Skin Whitening Products Available In Iraqi Markets
Volume 29, Issue 6 , April 2011, Page 306-314

https://doi.org/10.30684/ etj.29.6.19

Abstract
  It seems evident from a wealth of scientific research that Lead is toxic. Because of the nature of the Iraqi markets, different brands of skin-lightening creams are widely available. ...  Read More ...
Study The Implications of The Decomposition by Acidic Particles of The Novolak Composites
Study The Implications of The Decomposition by Acidic Particles of The Novolak Composites
Volume 29, Issue 6 , April 2011, Page 315-332

https://doi.org/10.30684/ etj.29.6.20

Abstract
  The study tries to illustrate the most important danger of urban air pollution by acid particles ,and its effect on rain, which often turn it into sulfuric acid or sulfurous . Then ...  Read More ...
A Study of Changes in the Chemical Properties of Soil due to Irrigation by Polluted River Water (Army Canal in Baghdad) for a Long Period
A Study of Changes in the Chemical Properties of Soil due to Irrigation by Polluted River Water (Army Canal in Baghdad) for a Long Period

Shaimaa Taleb Kadhum; Ayat Hussain

Volume 29, Issue 6 , April 2011, Page 1032-1051

https://doi.org/10.30684/ etj.29.6.1

Abstract
  Soil is an essential natural resource for support of human life, but with time, its degradation has been constantly increasing due to the deposition of pollutants. The aim of this research ...  Read More ...
A Numerical Prediction of the Turbulence Parameters in Two-Dimensional Ventilated Rooms
A Numerical Prediction of the Turbulence Parameters in Two-Dimensional Ventilated Rooms

Ayad M. Salman

Volume 29, Issue 6 , April 2011, Page 1052-1068

https://doi.org/10.30684/ etj.29.6.2

Abstract
  Turbulent flow in two-dimensional ventilated room has been numerically simulated in the present research. A modified form of Wilcox's two-equation LRN k-w model is proposed for predicting ...  Read More ...
Effect of Soaking on the CBR-Value of Subbase Soil
Effect of Soaking on the CBR-Value of Subbase Soil

Zeena Tariq Jaleel

Volume 29, Issue 6 , April 2011, Page 1069-1079

https://doi.org/10.30684/ etj.29.6.3

Abstract
  The effect of soaking on the top and bottom CBR value of a sub-base is studied in this paper. Fourteen CBR samples were prepared at 95% relative modified AASHTO compaction .Two CBR ...  Read More ...
Performance of Cooling Tower with Honeycomb Packing
Performance of Cooling Tower with Honeycomb Packing

Nagam Obaid Kariem; Hayder Mohamad Jaffal

Volume 29, Issue 6 , April 2011, Page 1080-1093

https://doi.org/10.30684/ etj.29.6.4

Abstract
  The objective of this study is to investigate experimentally and theoretically heat and mass transfer characteristics of the cooling tower. The investigation carried out at a mechanical ...  Read More ...
Influence of Corrosion Rate on the Double Butt Welding Shapes Design for Low Carbon Steel
Influence of Corrosion Rate on the Double Butt Welding Shapes Design for Low Carbon Steel

Hani Aziz Ameen; Khairia Salman Hassan; Walid Khalid Abdul Kader

Volume 29, Issue 6 , April 2011, Page 1094-1106

https://doi.org/10.30684/ etj.29.6.5

Abstract
  The aim of this paper is to demonstrate the influence of butt welding shapes on the corrosion rate, microstructure and temperature of carbon steel type St37.The double butt welding ...  Read More ...
Soaking Effects on the Shear Strength Parameters and Bearing Capacity of Soil
Soaking Effects on the Shear Strength Parameters and Bearing Capacity of Soil

Alaa Dawood Salman

Volume 29, Issue 6 , April 2011, Page 1107-1123

https://doi.org/10.30684/ etj.29.6.6

Abstract
  This research includes complete study of the laboratory examinations for soil layers and its engineering properties for certain areas of Baghdad city (Alkadhimya, Alaitaifiya, and Alhurriya). ...  Read More ...
Surface Roughness Effect on Fatigue Life Preditions under Cumulative Damage
Surface Roughness Effect on Fatigue Life Preditions under Cumulative Damage

Khairallah S. Jabur

Volume 29, Issue 6 , April 2011, Page 1124-1130

https://doi.org/10.30684/ etj.29.6.7

Abstract
  The influence of surface roughness parameter on the fatigue life is studied using rotory bending loading under room temperature and zero mean stress (R=-1). Three levels of average ...  Read More ...
Membrane Action in Orthotropically R.C. Rectangular Slabs Supported on Three Edges Only with Variable Axial Restraints
Membrane Action in Orthotropically R.C. Rectangular Slabs Supported on Three Edges Only with Variable Axial Restraints

Hisham M. Al-Hassani; Sura Abdul Muneim Salman

Volume 29, Issue 6 , April 2011, Page 1131-1144

https://doi.org/10.30684/ etj.29.6.8

Abstract
  In this paper, large deformation analysis is carried out on uniformly loaded orthotropically reinforced concrete rectangular slabs that have one free edge and different restraints on ...  Read More ...
A Hydrodynamic Study in a Sieve Plate Sectionalized Bubble Column
A Hydrodynamic Study in a Sieve Plate Sectionalized Bubble Column

Burhan Sadeq Abdulrazzaq

Volume 29, Issue 6 , April 2011, Page 1145-1156

https://doi.org/10.30684/ etj.29.6.9

Abstract
  The sectionalization of conventional bubble columns to tray bubble column by perforated trays has been used in chemical, biochemical, and petroleum processes as an effective way to ...  Read More ...
Study the Effect of Electrical Current on Average Surface Roughness of Borosilicate Glass at EDM Machining and Comparison Using Matlab Program
Study the Effect of Electrical Current on Average Surface Roughness of Borosilicate Glass at EDM Machining and Comparison Using Matlab Program

Shukry H. Aghdeab; Ahmed A. Abulwahhab

Volume 29, Issue 6 , April 2011, Page 1157-1165

https://doi.org/10.30684/ etj.29.6.10

Abstract
  Machining of electrically non-conducting materials like glass is still a major problem. The principle of electric arc was used to generate high electrical discharge (spark) at high ...  Read More ...
Hybrid Simple Genetic Algorithm (HSGA) and the Effect of using Fitness Functions for Layout Problem
Hybrid Simple Genetic Algorithm (HSGA) and the Effect of using Fitness Functions for Layout Problem

Fadhela Sabry Abu-Almash; Baidaa Abd-Alkhalik; Firas Ali Hashim

Volume 29, Issue 6 , April 2011, Page 1166-1175

https://doi.org/10.30684/ etj.29.6.11

Abstract
  In this research there is a wide study about Hybrid Genetic algorithm was presented in addition to Varity in fitness functions and there are effect on used algorithm. Results occur ...  Read More ...
Image Features Evaluation Using New Algorithm Proposed For Reducing Image Feature Number & Size Stored In Database
Image Features Evaluation Using New Algorithm Proposed For Reducing Image Feature Number & Size Stored In Database

Shahlaa T. Abdulwahab

Volume 29, Issue 6 , April 2011, Page 1176-1194

https://doi.org/10.30684/ etj.29.6.12

Abstract
  This study proposes technique that capable of reducing image features size and number stored in the database. The proposed technique depends on the image content of numerical values ...  Read More ...
Evaluation of Drilling Process for Clamped-Free-Clamped- Free Rectangular Plate Using Vibration Analysis
Evaluation of Drilling Process for Clamped-Free-Clamped- Free Rectangular Plate Using Vibration Analysis

Mauwafak Ali Tawfik; Sami Ali Nama

Volume 29, Issue 6 , April 2011, Page 1195-1207

https://doi.org/10.30684/ etj.29.6.13

Abstract
  In this paper, the superposition method was used to obtain the solution for the forced vibration of clamped-free-clamped-free (CFCF) isotropic rectangular plates subjected to a concentrated ...  Read More ...
Study The Proton Momentum Distribution of The 51V (γ,p)50Ti Reaction at Energy of 59.2 Mev
Study The Proton Momentum Distribution of The 51V (γ,p)50Ti Reaction at Energy of 59.2 Mev

Alaa .B. Kadhim; Raafat. A. Muslim; Khaled. H. Mahdi

Volume 29, Issue 6 , April 2011, Page 1208-1215

https://doi.org/10.30684/ etj.29.6.14

Abstract
  The technique developed by Findlay and Owens for the extraction of a consistently effective momentum distribution from the 51V (γ,p)50Ti reaction data is applied to the cross ...  Read More ...
Proposal to Complex DES Security Using Diffie Hellman Injection
Proposal to Complex DES Security Using Diffie Hellman Injection

Shatha habeeb Jafar

Volume 29, Issue 6 , April 2011, Page 1216-1226

https://doi.org/10.30684/ etj.29.6.15

Abstract
  Data Encryption Standard (DES) is based on a round of starters, from the results of the use of multi-stage permutation and replacement to the more complex algorithm which adopts the ...  Read More ...