Research Paper
Effect of Tigris River's Stage on the Groundwater Level
Effect of Tigris River's Stage on the Groundwater Level

Mustafa T. Al-Tahir; Thair S. Khayyun

Volume 39, Issue 7 , July 2021, Page 1041-1051

https://doi.org/10.30684/etj.v39i7.442

Abstract
  The research studies the effect of change of the Tigris  River's surface stage on groundwater movement by building a three-dimension model  using GMS model for a catchment ...  Read More ...
Research Paper
Effect of CO2 Laser Fluence in Cladding Process on the Microstructure of Cold Rolled 0.2 % Carbon Steel
Effect of CO2 Laser Fluence in Cladding Process on the Microstructure of Cold Rolled 0.2 % Carbon Steel

Suhair A. Hussein; Mohammed Kadhim; Mahdi M. Hanon

Volume 39, Issue 7 , July 2021, Page 1052-1059

https://doi.org/10.30684/etj.v39i7.1475

Abstract
  In this article a 1.8kW continuous wave of high power CO2 laser was used to clad of a titular composition of Ni – 10 wt% Al powder on cold rolled 0.2% carbon steel substrate. ...  Read More ...
Research Paper
A Study about E-Commerce Based on Customer Behaviors
A Study about E-Commerce Based on Customer Behaviors

Zainab N. Mohammed; Suhad M. Kadhem

Volume 39, Issue 7 , July 2021, Page 1060-1068

https://doi.org/10.30684/etj.v39i7.1631

Abstract
  E-commerce is one of the new virtual technologies that make life simpler for both traders, marketers, and customers. However, the main problem for the seller was how to know customer's ...  Read More ...
Research Paper
Intrusion Detection System for NSL-KDD Dataset Based on Deep Learning and Recursive Feature Elimination
Intrusion Detection System for NSL-KDD Dataset Based on Deep Learning and Recursive Feature Elimination

Bilal Mohammed; Ekhlas K. Gbashi

Volume 39, Issue 7 , July 2021, Page 1069-1079

https://doi.org/10.30684/etj.v39i7.1695

Abstract
  Intrusion detection system is responsible for monitoring the systems and detect attacks, whether on (host or on a network) and identifying attacks that could come to the system and ...  Read More ...
Research Paper
Effect of Pile's Number on the Behavior of Piled Raft Foundation
Effect of Pile's Number on the Behavior of Piled Raft Foundation

Dheyaa H. Hadi; Mohanned Q. Waheed; Mohammed Y. Fattah

Volume 39, Issue 7 , July 2021, Page 1080-1091

https://doi.org/10.30684/etj.v39i7.1795

Abstract
  This paper introduces an experimental research on the behavior of the piled raft foundation (PRF) in sand of two states (loose and medium sand). A small model has been tested in a soil ...  Read More ...
Research Paper
Retrofitting of SCC Deep Beams With Circular Openings Using CFRP
Retrofitting of SCC Deep Beams With Circular Openings Using CFRP

Nabeel A. Al-Bayati; Dhiyaa H. Mohammed; Nawfal A. Abdul Jabbar

Volume 39, Issue 7 , July 2021, Page 1092-1104

https://doi.org/10.30684/etj.v39i7.74

Abstract
  The main objectives of this study are: encouraging the production and use of  self-compacting  concrete,  use  of  materials  which  are  lightweight,  ...  Read More ...
Research Paper
FPGA Implementation of Modified Reconfigurable Adaptive Gain Scheduling Controller
FPGA Implementation of Modified Reconfigurable Adaptive Gain Scheduling Controller

Ali Wheed; Abbas H. Issa; Mohammed Y. Y.

Volume 39, Issue 7 , July 2021, Page 1105-1116

https://doi.org/10.30684/etj.v39i7.1772

Abstract
  This article aims to put forward a modified type of adaptive gain scheduling that will be able to deal with the immeasurable and unpredictable variations of system variables by adapting ...  Read More ...
Research Paper
A Survey in Implementation and Applications of Electroencephalograph (EEG)-Based Brain-Computer Interface
A Survey in Implementation and Applications of Electroencephalograph (EEG)-Based Brain-Computer Interface

Samaa S. Abdulwahab; Hussain Kareem Khleaf; Manal H. Jasim

Volume 39, Issue 7 , July 2021, Page 1117-1132

https://doi.org/10.30684/etj.v39i7.1854

Abstract
  A Brain-Computer Interface (BCI) is an external system that controls activities and processes in the physical world based on brain signals. In Passive BCI, artificial signals are automatically ...  Read More ...
Research Paper
Effect of Growth Time on the Structural, Optical and Electrical Properties of the 1%Fe doped TiO2 p-type Synthesized by Hydrothermal Technique
Effect of Growth Time on the Structural, Optical and Electrical Properties of the 1%Fe doped TiO2 p-type Synthesized by Hydrothermal Technique

Sattar J. Hashim; Odai N. Salman; Khaleel I. Hassoon

Volume 39, Issue 7 , July 2021, Page 1133-1143

https://doi.org/10.30684/etj.v39i7.1874

Abstract
  In this work, a hydrothermal technique is employed to prepare titanium dioxide films on fluorine-doped tin oxide (FTO) substrates. A low-cost homemade autoclave was used to fabricate ...  Read More ...
Research Paper
Effect of Embedment and Spacing Ratios on the Response of Lateral Load of Single and Group Piles
Effect of Embedment and Spacing Ratios on the Response of Lateral Load of Single and Group Piles

Mohammed A. Al-Neami; Mohammed H. Al-Dahlaki; Aya H. Chalob

Volume 39, Issue 7 , July 2021, Page 1144-1152

https://doi.org/10.30684/etj.v39i7.1881

Abstract
  This paper displays an experimental work of three-scale model tests of single pile and nine–scale model tests of group pile (1x2) with spacing to diameter (S/D) ratios (2,4, and ...  Read More ...
Research Paper
Structural Behavior of Retrofitted Reinforced SCC Continuous Deep Beam With CFRP and Hybrid Techniques
Structural Behavior of Retrofitted Reinforced SCC Continuous Deep Beam With CFRP and Hybrid Techniques

Wisam J. Al -Bdari; Nabeel A. Al-Bayati; Ihsan Ali Al-Shaarbaf

Volume 39, Issue 7 , July 2021, Page 1153-1163

https://doi.org/10.30684/etj.v39i7.1928

Abstract
  In this research, the results of experimental test of seven reinforced SCC continuous deep beams after being retrofitting by CFRP with different techniques. The main objective of the ...  Read More ...
Research Paper
Programing and Procedure Design of Stand-alone PV System for Clean Energy Home Supply in Baghdad
Programing and Procedure Design of Stand-alone PV System for Clean Energy Home Supply in Baghdad

Sarah A. Al-shammari; AbdulHassan A. Karamallah; sattar J Habeeb

Volume 39, Issue 7 , July 2021, Page 1164-1173

https://doi.org/10.30684/etj.v39i7.1976

Abstract
  Global demand for energy production is in an increasing trend. However, a gap between energy production and energy demand still represents an industrial challenge. Iraq, like too many ...  Read More ...
Research Paper
Sensing Performance of Mono and Bimetallic Nano Photonics Surface Enhanced Raman Scattering (SERS) Devices
Sensing Performance of Mono and Bimetallic Nano Photonics Surface Enhanced Raman Scattering (SERS) Devices

Doaa S. Jubair; Alwan M. Alwan; Walid K. Hamoudi

Volume 39, Issue 7 , July 2021, Page 1174-1184

https://doi.org/10.30684/etj.v39i7.1982

Abstract
  In this research, sensing performance of mono and bimetallic nanophotonics SERS sensors of gold-silver nano-columns for the detection of chlorpyrifos was investigated. For optimum substrates ...  Read More ...
Research Paper
The Hausdorff Algebra Fuzzy Distance and its Basic Properties
The Hausdorff Algebra Fuzzy Distance and its Basic Properties

Zainab A. Khudhair; Jehad R. Kider

Volume 39, Issue 7 , July 2021, Page 1185-1194

https://doi.org/10.30684/etj.v39i7.2001

Abstract
  In this article we recall the definition of algebra fuzzy metric space and its basic properties. In order to introduced the Hausdorff algebra fuzzy metric from fuzzy compact set to ...  Read More ...
Research Paper
Chitosan Hydrogel for Removing of Heavy Metal Ions from Water: A Review
Chitosan Hydrogel for Removing of Heavy Metal Ions from Water: A Review

Maysaa A. Ali; Shemaa A. Soud; Anaheed H. Hameed

Volume 39, Issue 7 , July 2021, Page 1195-1205

https://doi.org/10.30684/etj.v39i7.2015

Abstract
  Industrial and agricultural discharges have been shown as important sources for a wide range of contaminants like heavy metals. This study focused on the assessment of the toxic effect ...  Read More ...