Removal of Cobalt (Co(II)) from Aqueous Solution by Amino Functionalized SBA-15
Removal of Cobalt (Co(II)) from Aqueous Solution by Amino Functionalized SBA-15

Anaam A. Sabri; Talib M. Albayati; Dalia B. Abed

Volume 36, 7A , July 2018, Page 703-708

https://doi.org/10.30684/etj.36.7A.1

Abstract
  Mesoporous silica SBA-15 material was synthesized and functionalized by post synthesis method with amino functional group (3-aminopropyltriethoxysilane) to investigate its potential ...  Read More ...
Effect of CFRP Layer Orientation on the Behavior of Shear-Strengthened Steel Plate Girders
Effect of CFRP Layer Orientation on the Behavior of Shear-Strengthened Steel Plate Girders

Mohammed J. Hamood; Wael Sh. Abdulsahib; Ali H. Abdullah

Volume 36, 7A , July 2018, Page 709-714

https://doi.org/10.30684/etj.36.7A.2

Abstract
  The present paper investigates experimentally the impacts of fiber layer orientation on the structural behavior of CFRP strengthened steel-plated girders that are subjected to shear. ...  Read More ...
Study the Effect of Nano-Al2O3 and Fiber Glass on Mechanical and Physical Properties of PMMA Composites for Prosthetic Denture
Study the Effect of Nano-Al2O3 and Fiber Glass on Mechanical and Physical Properties of PMMA Composites for Prosthetic Denture

Qahtan A. Hamad

Volume 36, 7A , July 2018, Page 715-722

https://doi.org/10.30684/etj.36.7A.3

Abstract
  In the present research, investigate the effect of adding some reinforcing materials which include nano-aluminum oxide (nano-Al2O3) particles that added with different volume fractions ...  Read More ...
High Rate Data Processing System of 6x6 MIMO_OFDM Using FPGA Technique with Spatial Algorithm
High Rate Data Processing System of 6x6 MIMO_OFDM Using FPGA Technique with Spatial Algorithm

Muthna J. Fadhil

Volume 36, 7A , July 2018, Page 723-732

https://doi.org/10.30684/etj.36.7A.4

Abstract
  OFDM has high spectral Performance and pliability in multipath channel effects while MIMO use another strategy for saving power of transmitter by using multi in multi out antennas to ...  Read More ...
Sliding Mode Controller Design for Flexible Joint Robot
Sliding Mode Controller Design for Flexible Joint Robot

Ivan I. Gorial

Volume 36, 7A , July 2018, Page 733-741

https://doi.org/10.30684/etj.36.7A.5

Abstract
  This paper suggests a flexible joint robot operated by brushed Direct Current (DC) motor model. Due to complex high-order, nonlinear dynamical system which operating under parameter’s ...  Read More ...
Effect of Corrosion Time on Critical Buckling Load of AISI 304 Columns
Effect of Corrosion Time on Critical Buckling Load of AISI 304 Columns

Hussain J. Al-Alkawi; Samih K. Al-najjar

Volume 36, 7A , July 2018, Page 742-747

https://doi.org/10.30684/etj.36.7A.6

Abstract
  In this work Corrosion buckling interaction behavior of AISI 304 stainless steel circular columns was investigated. Long and intermediate columns diameter of (6 mm) are tested in as ...  Read More ...
Effect of Waiting Time before Re-vibration on Mechanical Properties of Fiber Reinforced Concrete
Effect of Waiting Time before Re-vibration on Mechanical Properties of Fiber Reinforced Concrete

Aseel A. Abdulridha

Volume 36, 7A , July 2018, Page 748-758

https://doi.org/10.30684/etj.36.7A.7

Abstract
  A knowledge of the concrete vibration after casting have led to improve the mechanical properties of concrete, reduce the deformations due to creep and shrinkage and reduce the concrete ...  Read More ...
Multiple Access Chua Chaotic Communication system using Real Orthogonal Matrix Approach
Multiple Access Chua Chaotic Communication system using Real Orthogonal Matrix Approach

Ali A. Radhi

Volume 36, 7A , July 2018, Page 759-769

https://doi.org/10.30684/etj.36.7A.8

Abstract
  An alternative to traditional Pseudo-Noise (PN)-Sequences, one-dimension (1D) orthogonal chaotic map sequences, and three dimensional (3D) continuous chaotic systems (x,y,z) are generated ...  Read More ...
Multiple Performance Optimization of Carburized Steel Using Taguchi Based Moora Approach
Multiple Performance Optimization of Carburized Steel Using Taguchi Based Moora Approach

Abbas K. Hussein; Laith K. Abbas; Asraa K. Hameed

Volume 36, 7A , July 2018, Page 770-776

https://doi.org/10.30684/etj.36.7A.9

Abstract
  In this research, a multi-response optimization based on Taguchi method-based MOORA (Multi-response optimization based on ratio analysis) is proposed for carburization process of low ...  Read More ...
Intelligent Modeling of Metal Oxide Gas Sensor
Intelligent Modeling of Metal Oxide Gas Sensor

Omar F. Lutfy; Alaa A. Abdul-Hamead

Volume 36, 7A , July 2018, Page 777-783

https://doi.org/10.30684/etj.36.7A.10

Abstract
  Due to the complexity of the gas detection process, traditional modeling techniques cannot provide accurate modeling performance to reproduce the behavior of this difficult process. ...  Read More ...
Internal Model Control Using a Self-Recurrent Wavelet Neural Network Trained by an Artificial Immune Technique for Nonlinear Systems
Internal Model Control Using a Self-Recurrent Wavelet Neural Network Trained by an Artificial Immune Technique for Nonlinear Systems

Omar F. Lutfy; Rand A. Majeed

Volume 36, 7A , July 2018, Page 784-791

https://doi.org/10.30684/etj.36.7A.11

Abstract
  This paper presents a Self-Recurrent Wavelet Neural Network (SRWNN)-based Internal Model Control (IMC) for nonlinear systems. As the internal model, a Nonlinear Autoregressive Moving ...  Read More ...
Characterization of AA 6061–Alloy Composites Reinforced by Al2O3 Nano Particles Obtained by Stir Casting
Characterization of AA 6061–Alloy Composites Reinforced by Al2O3 Nano Particles Obtained by Stir Casting

Hussain J. AL Alkawi; Abdul J. Owaid; Batool Kadhim H.

Volume 36, 7A , July 2018, Page 792-797

https://doi.org/10.30684/etj.36.7A.12

Abstract
  The aim of this work is generated a Nano materials having good mechanical properties for 6061AA-alloy.Fivewt% of Nano particles (Al2O3) (20-30nm grain size) were adoptees (1, 1.5, 2, ...  Read More ...
Enhancement the Performance of PV Panel by Using Fins as Heat Sink
Enhancement the Performance of PV Panel by Using Fins as Heat Sink

Ibtisam A. Hasan

Volume 36, 7A , July 2018, Page 798-805

https://doi.org/10.30684/etj.36.7A.13

Abstract
  In this paper, theoretical and experimental study of the performance enhancement of PV panels has been presented by utilizing fins for cooling module’s temperature at climate ...  Read More ...
Employee Performance Assessment Using Modified Decision Tree
Employee Performance Assessment Using Modified Decision Tree

Hassan A. Jeiad; Zinah J. M. Ameen; Alza A. Mahmood

Volume 36, 7A , July 2018, Page 806-811

https://doi.org/10.30684/etj.36.7A.14

Abstract
  Decision tree algorithms are famous method in inductive learning and successfully applied for model classification and prediction. Performance evaluation in organization is one of the ...  Read More ...
Optimization of Dry Sliding Wear Process Parameters for Al-Mg-Si Hybrid Composites Using Taguchi Method
Optimization of Dry Sliding Wear Process Parameters for Al-Mg-Si Hybrid Composites Using Taguchi Method

Israa A. Alkadir; Hanan K. Azeez

Volume 36, 7A , July 2018, Page 812-822

https://doi.org/10.30684/etj.36.7A.15

Abstract
  The aim of the presents study was to investigates the influence of different sliding velocity 1.4, 2.8, 4.2 m/sec, applied load 5, 10, N and time 10, 20, 30 min on wear rate of Al-Mg-Si ...  Read More ...