Research Paper
Ethanol Gas Sensor Fabrication Based on ZnO Flower Like Nanorods
Ethanol Gas Sensor Fabrication Based on ZnO Flower Like Nanorods

Abdulqader D. Faisal; Mofeed A. Jaleel; Fahad Z. Kamal

Volume 38, 3B , December 2020, Page 85-97

https://doi.org/10.30684/etj.v38i3B.279

Abstract
  Zinc oxide flower-like nanorods (ZnO NRs) was successfully synthesized via the hydrothermal method. The growth process was conducted with seed layer concentrations of 20mM. The as-synthesized ...  Read More ...
Research Paper
Image Encryption Algorithm Based on Substitution Principle and Shuffling Scheme
Image Encryption Algorithm Based on Substitution Principle and Shuffling Scheme

Atyaf Hamad; Alaa K. Farhan

Volume 38, 3B , December 2020, Page 98-103

https://doi.org/10.30684/etj.v38i3B.433

Abstract
  This research presents a method of image encryption that has been designed based on the algorithm of complete shuffling, transformation of substitution box, and predicated image crypto-system. ...  Read More ...
Research Paper
A Study of Some Mechanical and Physical Properties for Palm Fiber/Polyester Composite
A Study of Some Mechanical and Physical Properties for Palm Fiber/Polyester Composite

Samah M. Hussein

Volume 38, 3B , December 2020, Page 104-114

https://doi.org/10.30684/etj.v38i3B.598

Abstract
  This research has been done by reinforcing the matrix (unsaturated polyester) resin with natural material (date palm fiber (DPF)). The fibers were exposure to alkali treatment before ...  Read More ...
Research Paper
Key Generation from Multibiometric System Using Meerkat Algorithm
Key Generation from Multibiometric System Using Meerkat Algorithm

Duha D. Salman; Raghad A. Azeez; Abdul Mohssen J. Hossen

Volume 38, 3B , December 2020, Page 115-127

https://doi.org/10.30684/etj.v38i3B.652

Abstract
  Biometrics are short of revocability and privacy while cryptography cannot adjust the user’s identity. By obtaining cryptographic keys using biometrics, one can obtain the features ...  Read More ...
Research Paper
Synthesis of Some New Derivatives of Pyrrolidine-2-one and Studying Their Antibacterial Potentials
Synthesis of Some New Derivatives of Pyrrolidine-2-one and Studying Their Antibacterial Potentials

Nadia A. Betti; Redha Ib. Hussain; Sahar Ab. Kadhem

Volume 38, 3B , December 2020, Page 128-141

https://doi.org/10.30684/etj.v38i3B.706

Abstract
  New derivatives of pyrrolidine-2-one have been synthesized through lactamization of γ –butyrolactone (GBL) by hydrazine hydrate (80%), ethylene diamine and ethanol amine ...  Read More ...
Research Paper
Study the Effect the Laser Intensity on the Behavior of the Kinetic Energy, Drift Energy and the Total Energy of the Silver Plasma
Study the Effect the Laser Intensity on the Behavior of the Kinetic Energy, Drift Energy and the Total Energy of the Silver Plasma

Esam A. Tawfiq

Volume 38, 3B , December 2020, Page 142-149

https://doi.org/10.30684/etj.v38i3B.1346

Abstract
  The particle-in-cell plasma simulation program in two dimensions was developed to display the properties of silver plasma under the effect of Ruby laser 694.3 nm with different intensities; ...  Read More ...
Research Paper
Word Retrieval based on FREAK Descriptor to Identify the Image of the English Letter that Corresponds to the First Letter of the Word
Word Retrieval based on FREAK Descriptor to Identify the Image of the English Letter that Corresponds to the First Letter of the Word

Ekhlas F. Naser

Volume 38, 3B , December 2020, Page 150-160

https://doi.org/10.30684/etj.v38i3B.1511

Abstract
  For the reason of colossal technological developments, the requirement of image information methods became a significant issue. The aim of this research was to retrieve the word based ...  Read More ...
Research Paper
Analysis and Design of 460 GHz Microwave Gyrotron Oscillator
Analysis and Design of 460 GHz Microwave Gyrotron Oscillator

Luma Y. Abbas; Nedal A. Hussain

Volume 38, 3B , December 2020, Page 161-167

https://doi.org/10.30684/etj.v38i3B.1937

Abstract
  This paper is concerned with the analysis and design of a gyrotron oscillator with 460 GHz that can excite both modes (TE231) the fundamental (230GHz) and (TE061, TE261) second harmonic ...  Read More ...
Research Paper
Considerations on Spark- Gap Channel Radius and Electrical Conductivity
Considerations on Spark- Gap Channel Radius and Electrical Conductivity

Bassam H. Habib

Volume 38, 3B , December 2020, Page 168-176

https://doi.org/10.30684/etj.v38i3B.1314

Abstract
  A simple phenomenological model is established to determine the temporal evolution of spark gap channel radius and electrical conductivity during the resistive phase period. The present ...  Read More ...
Research Paper
Structural Properties of Fe Doped TiO2 Nanorods Prepared by Low Cost Hydrothermal Method
Structural Properties of Fe Doped TiO2 Nanorods Prepared by Low Cost Hydrothermal Method

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

Volume 38, 3B , December 2020, Page 177-183

https://doi.org/10.30684/etj.v38i3B.1800

Abstract
  In this work, titanium dioxide films were deposited on fluorine tin oxide (FTO)-glass substrates using Hydrothermal method. A low-cost homemade autoclave was used to fabricate pure ...  Read More ...
Research Paper
Diagnosis of Lung Cancer Disease Based on Back-Propagation Artificial Neural Network Algorithm
Diagnosis of Lung Cancer Disease Based on Back-Propagation Artificial Neural Network Algorithm

Hanan A. R. Akkar; Suhad Qasim G. Haddad

Volume 38, 3B , December 2020, Page 184-196

https://doi.org/10.30684/etj.v38i3B.1666

Abstract
  Early stage detection of lung cancer is important for successful controlling of the diseases, also to offer additional chance to the patients in order to survive. So , algorithms that ...  Read More ...
Research Paper
Synthesis and Characterization of Complexes of New Derivative of Cyclopentaphenanthren-3-one with Manganese (II), Iron (II), Cobalt (II), Nickel (II), and Copper (II) Ions
Synthesis and Characterization of Complexes of New Derivative of Cyclopentaphenanthren-3-one with Manganese (II), Iron (II), Cobalt (II), Nickel (II), and Copper (II) Ions

Liblab S. Jassim

Volume 38, 3B , December 2020, Page 197-203

https://doi.org/10.30684/etj.v38i3B.681

Abstract
  This work involves the chemical preparation from a series of metal Complexes having the general composition M(L)2(H2O)2, where M = [Mn+2, Fe+2, Co+2, Ni+2 and Cu+2].The ligand used ...  Read More ...
Research Paper
Semi-Quantitative Risk Assessment in the Chemical Stores of the University of Technology, Baghdad, Iraq
Semi-Quantitative Risk Assessment in the Chemical Stores of the University of Technology, Baghdad, Iraq

Azhar M. Haleem

Volume 38, 3B , December 2020, Page 204-211

https://doi.org/10.30684/etj.v38i3B.894

Abstract
  Chemicals are used daily at the university, by its students or staff so it’s necessary to develop a chemical management system to protect their workers and students from accidents ...  Read More ...