Research Paper
Properties and Behavior of Starch Biopolymer Concrete
Properties and Behavior of Starch Biopolymer Concrete

Waleed A. Abbas; Hawraa M. Mohsen

Volume 38, 10A , October 2020, Page 1414-1420

https://doi.org/10.30684/etj.v38i10A.365

Abstract
  Starch act as natural polymer has been got from Wheat, Tapioca, and Corn. Corn starch has been investigated as biopolymer and has been added to concrete in different percentages (0%, ...  Read More ...
Research Paper
Extraction of Zirconium From Iraqi Bauxite Ore
Extraction of Zirconium From Iraqi Bauxite Ore

Israa A. Aziz; Moayyed G. Jalhom; Muhanad A. Kheriallah

Volume 38, 10A , October 2020, Page 1421-1429

https://doi.org/10.30684/etj.v38i10A.523

Abstract
  This research is devoted to the study of the extraction of zirconium from Iraqi Bauxite Ore by using hydrometallurgical method. The chemical analysis was done to the bauxite ore by ...  Read More ...
Research Paper
Redesign of Water Filter Workshop Using SLP
Redesign of Water Filter Workshop Using SLP

Nrjis Bassim; Luma A. Al-Kindi

Volume 38, 10A , October 2020, Page 1430-1440

https://doi.org/10.30684/etj.v38i10A.564

Abstract
  Workshop and factory design is one of the most important problems facing companies to enhance their performance and productivity. Facility layout issue is a fundamental fragment of ...  Read More ...
Research Paper
Adsorption Desulfurization of Actual Heavy Crude Oil Using Activated Carbon
Adsorption Desulfurization of Actual Heavy Crude Oil Using Activated Carbon

Yusra A. Abd Al-Khodor; Talib M. Albayati

Volume 38, 10A , October 2020, Page 1441-1453

https://doi.org/10.30684/etj.v38i10A.615

Abstract
  The strict new regulations to reduce the sulfur content of fuel require new economical and efficient ways to remove the sulfur from the organic sulfur components. In the current work, ...  Read More ...
Research Paper
The Effects of Sunlight on Particle matter & Radiation Pollution in Baghdad Airport Area
The Effects of Sunlight on Particle matter & Radiation Pollution in Baghdad Airport Area

Fatima K. Hameed; Faris H. Mohammed; Abdul Hameed M.J. Al-Obaidy

Volume 38, 10A , October 2020, Page 1454-1460

https://doi.org/10.30684/etj.v38i10A.690

Abstract
  The gasses emitted from the various activities, in addition to particle matter (PM10) play a major role in air quality deterioration. Particles matter and radiation are two of the most ...  Read More ...
Research Paper
Study the Ductility of Aluminum Alloy Processed by Asymmetric Rolling Process
Study the Ductility of Aluminum Alloy Processed by Asymmetric Rolling Process

Adil. Sh. Jaber

Volume 38, 10A , October 2020, Page 1461-1469

https://doi.org/10.30684/etj.v38i10A.899

Abstract
  Asymmetric rolling refers to the conditions wherein velocities or diameters of two work rolls are different. Compared to symmetrical rolling, asymmetric rolling is more effective on ...  Read More ...
Research Paper
The Solubility of Phosphogypsum and Recovery of Heavy and Radioactive Elements
The Solubility of Phosphogypsum and Recovery of Heavy and Radioactive Elements

Waleed T. Rashid; Israa A. Alkadir; Moayyed G. Jalhom

Volume 38, 10A , October 2020, Page 1470-1480

https://doi.org/10.30684/etj.v38i10A.907

Abstract
  The essential purpose of this paper is to illustrate and inspect the leaching characteristics of Iraqi Phosphogypsum (PG). The paper presents the results of the dissolution characteristics ...  Read More ...
Research Paper
Optimum Design of Journal Bearings Dimensions for Rotating Machines
Optimum Design of Journal Bearings Dimensions for Rotating Machines

Tariq M. Hammza; Ehab N. Abas; Nassear R. Hmoad

Volume 38, 10A , October 2020, Page 1481-1488

https://doi.org/10.30684/etj.v38i10A.1093

Abstract
  The values of Many parameters which involve in the design of fluid film journal bearings mainly depend on the bearing applied load when using the conventional design method to design ...  Read More ...
Research Paper
Optimization of Cutting Parameters in Milling Process Using Genetic Algorithm and ANOVA (March 2020)
Optimization of Cutting Parameters in Milling Process Using Genetic Algorithm and ANOVA (March 2020)

Marwa Q. Ibraheem

Volume 38, 10A , October 2020, Page 1489-1503

https://doi.org/10.30684/etj.v38i10A.1124

Abstract
  In this present work use a genetic algorithm for the selection of cutting conditions in milling operation such as cutting speed, feed and depth of cut to investigate the optimal value ...  Read More ...
Research Paper
Investigation the Electrode Wear Rate and Metal Removal Rate in EDM Process using Taguchi and ANOVA Method
Investigation the Electrode Wear Rate and Metal Removal Rate in EDM Process using Taguchi and ANOVA Method

Safaa K. Ghazi

Volume 38, 10A , October 2020, Page 1504-1510

https://doi.org/10.30684/etj.v38i10A.1231

Abstract
  The experimental work of this paper leads to electrical discharge machining (EDM). A system for machining in this process has been developed. Many parameters are studied such as current, ...  Read More ...
Research Paper
Comparative Study of Specifications Between Local and Imported Water Pumps and an Energy-Efficient Local Developed Pump
Comparative Study of Specifications Between Local and Imported Water Pumps and an Energy-Efficient Local Developed Pump

Maryam K. Abdul Wahid; Lamyaa M. Dawood

Volume 38, 10A , October 2020, Page 1511-1521

https://doi.org/10.30684/etj.v38i10A.1317

Abstract
  Conserving energy is one of those important requirements of the environment. In this research, an eco-friendly power saving Water pump [Air coolers] is developed. This development is ...  Read More ...
Research Paper
Incorporation of Iraqi Rocks in the Production of Eco-Friendly Cement Mortar
Incorporation of Iraqi Rocks in the Production of Eco-Friendly Cement Mortar

Rawnaq S. Mahdi; Aseel B. Al-Zubaidi; Hassan N. Hashim

Volume 38, 10A , October 2020, Page 1522-1530

https://doi.org/10.30684/etj.v38i10A.1479

Abstract
  This work reports on the incorporation of Flint and Kaolin rocks powders in the cement mortar in an attempt to improve its mechanical properties and produce an eco-friendly mortar. ...  Read More ...
Research Paper
Evaluation of Eutrophication Levels in Al-Najaf Al-Ashraf Lake, Iraq (Biological and Chemical study)
Evaluation of Eutrophication Levels in Al-Najaf Al-Ashraf Lake, Iraq (Biological and Chemical study)

Suhair R. Al-Sharifi; Salih A. Al-Bakri; Sataa A.F. Al-Bayati

Volume 38, 10A , October 2020, Page 1531-1538

https://doi.org/10.30684/etj.v38i10A.1601

Abstract
  Within Al-Najaf lake, that is one of the important shallow lakes in Iraq, the lake facing tremendous pressure due to encroachments, discharge of untreated domestic and industrial waste, ...  Read More ...
Research Paper
Analysis of Wear, Tensile and Thermal Properties of Poly Methyl Methacrylate Filled with Licorice Particle and Pomegranate Peels
Analysis of Wear, Tensile and Thermal Properties of Poly Methyl Methacrylate Filled with Licorice Particle and Pomegranate Peels

Reem A. Mohammed; Marwah S. Attallah

Volume 38, 10A , October 2020, Page 1539-1557

https://doi.org/10.30684/etj.v38i10A.1687

Abstract
  In the present work, analysis of wear behavior, tensile and thermal properties have been done for two sets Poly Methyl Methacrylate samples which is reinforced through licorice particles ...  Read More ...
Research Paper
Green Synthesis of Iron Nanoparticles Using Black Tea Leaves Extract as Adsorbent for Removing Eriochrome Blue-Black B Dye
Green Synthesis of Iron Nanoparticles Using Black Tea Leaves Extract as Adsorbent for Removing Eriochrome Blue-Black B Dye

Dalal Ghanim; Ghayda Y. Al-Kindi; Ahmed Kh. Hassan

Volume 38, 10A , October 2020, Page 1558-1569

https://doi.org/10.30684/etj.v38i10A.1225

Abstract
  Recently, the world has directed to find environmentally friendly and clean materials to be used to treat wastes difficult to treat in the traditional way such as dyes. The object of ...  Read More ...