Research Paper
Controlling the Q-Point in Distributed Feedback Lasers Using a Numerical Optimization Methodology
Controlling the Q-Point in Distributed Feedback Lasers Using a Numerical Optimization Methodology

Hisham K. Hisham

Volume 37, 5A , May 2019, Page 148-156

https://doi.org/10.30684/etj.37.5A.1

Abstract
  In this paper, a new methodology for controlling the Q-point in the distributed feedback (DFB) lasers is proposed. The method based on reducing the DFB transient period (TP) by optimizing ...  Read More ...
Research Paper
Removal oil from produced water by using adsorption method with adsorbent a Papyrus reeds
Removal oil from produced water by using adsorption method with adsorbent a Papyrus reeds

Firas K. Al-Zuhairi; Rana Azeez; Suhair A. Mahdi; Wafaa A. Kadhim; Muna Kh. Al-Naamee

Volume 37, 5A , May 2019, Page 157-165

https://doi.org/10.30684/etj.37.5A.2

Abstract
  A papyrus reed, as a type of unusable farming waste, was used as akind of low-cost biosorbent for the elimination a crude oil from produced waterthat was produced in an Al-Ahdab field, ...  Read More ...
Research Paper
Lung Cancer Detection from X-ray images by combined Backpropagation Neural Network and PCA
Lung Cancer Detection from X-ray images by combined Backpropagation Neural Network and PCA

Israa S. Abed

Volume 37, 5A , May 2019, Page 166-171

https://doi.org/10.30684/etj.37.5A.3

Abstract
  The lungs are portion of a complex unit, enlarging and relaxing numerus times every day to supply oxygen and exude CO2. Lung disease might occur from troubles in any part of it. Carcinoma ...  Read More ...
Research Paper
A Group Authentication Protocol on Multilayer Structure for Privacy-Preserving IoT Environment
A Group Authentication Protocol on Multilayer Structure for Privacy-Preserving IoT Environment

Maytham Azhar; Amin H. Seno

Volume 37, 5A , May 2019, Page 172-180

https://doi.org/10.30684/etj.37.5A.4

Abstract
  In the Internet of Things (IoT) systems, large amounts of data are accumulated from anywhere at any time, which may attack individuals' privacy, especially when systems are utilized ...  Read More ...
Research Paper
Optimization Using Taguchi Method for Physical and Mechanical Properties of Bio Mimicking Polymeric Matrix Composite for Orthodontic Application
Optimization Using Taguchi Method for Physical and Mechanical Properties of Bio Mimicking Polymeric Matrix Composite for Orthodontic Application

Jenan S. Kashan

Volume 37, 5A , May 2019, Page 181-187

https://doi.org/10.30684/etj.37.5A.5

Abstract
  This work take in consideration the application of Taguchi optimization methodology in optimizing the parameters for processing (composition, compounding pressure) and their effects ...  Read More ...