Assessment of Properties of Composite Boards from Groundnut Shells and Sawdust for their suitability for Structural Applications
Assessment of Properties of Composite Boards from Groundnut Shells and Sawdust for their suitability for Structural Applications

Ekong U. Nathaniel; Nsikak E. Ekpenyong; Casmir C. Zanders Akaolisa; Okwet J. Yawo; Grace P. Umoren; Samuel S. Akpan

Articles in Press, Corrected Proof, Available Online from 29 December 2023

https://doi.org/10.30684/etj.2023.144328.1628

Abstract
  Groundnut shells and sawdust are generated in vast quantities yearly but under-utilized. In developing countries, this situation leads to their disposal by unplanned landfilling, indiscriminate ...  Read More ...
Effects of Dy2O3 doping on physical and mechanical characteristics of B2O3-TeO2-BaO glass
Effects of Dy2O3 doping on physical and mechanical characteristics of B2O3-TeO2-BaO glass

Saba F. Hathot; Balqees M. Al dabbagh; Haydar Aboud

Articles in Press, Corrected Proof, Available Online from 12 January 2024

https://doi.org/10.30684/etj.2024.145037.1649

Abstract
  A new oxide glass host of the form (50-x) B2O3-25TeO2-25BaO-xDy2O3 (where x was varied from 0 to 1.25 mol%) was prepared using the conventional melt-cast quenching method. The study ...  Read More ...
Influence of oil palm mesocarp fiber on physical properties of fabricated plaster of paris ceilings
Influence of oil palm mesocarp fiber on physical properties of fabricated plaster of paris ceilings

Armstrong U. Anonaba; Francis C. Eze; Israel C. Ndukwe

Articles in Press, Corrected Proof, Available Online from 26 January 2024

https://doi.org/10.30684/etj.2024.145008.1651

Abstract
  This study was designed to investigate how some important physical properties of Plaster of Paris (POP) ceilings are affected by the utilization of untreated oil palm mesocarp fiber ...  Read More ...
Performances Study of PSK and ASK Modulation Technique under Atmospheric Turbulence in FSO Communication System
Performances Study of PSK and ASK Modulation Technique under Atmospheric Turbulence in FSO Communication System

Esraa K. Al – Gazzi; Ekbal H. Ali; Assel J. Mohammed

Volume 42, Issue 2 , February 2024, , Page 276-287

https://doi.org/10.30684/etj.2023.143196.1567

Abstract
  The performance and reliability of a free-space optical (FSO) communication system can be greatly increased using various methods. The primary goal of each technique is to reduce the ...  Read More ...
Synthesis and Characterization of NiP-TiC-SiC Nanocomposite Coating via Electroless Process on Alumina Substrate
Synthesis and Characterization of NiP-TiC-SiC Nanocomposite Coating via Electroless Process on Alumina Substrate

Rusul kh. Abd; Abbas Kh. Hussien; Laith k. Abbass

Volume 41, Issue 12 , December 2023, , Page 1456-1464

https://doi.org/10.30684/etj.2023.139852.1444

Abstract
  Present-day industrial need high surface engineering quality since it deals with many material properties that are applied in modern applications. Autocatalytic plating of material ...  Read More ...
Evaluation of the Performance of Steel Slag and Waste Glass as a Cement Replacement
Evaluation of the Performance of Steel Slag and Waste Glass as a Cement Replacement

Ahmed T. Azeez; Maan S. Hassan; Alaa A. Atiyah

Volume 41, Issue 12 , December 2023, , Page 1567-1577

https://doi.org/10.30684/etj.2023.143602.1597

Abstract
  The industrial development and growth in population activity caused an annual increase in solid wastes over the past decades. The emissions of CO2 from the cement industry are the main ...  Read More ...
Physical and Electrical Properties of Spray Coating Graphene Films: The Effect of Solution Concentration
Physical and Electrical Properties of Spray Coating Graphene Films: The Effect of Solution Concentration

Ayat M. Yahya; Evan T. Salim; Azhar I. Hassan; Subash C. B. Gopinath

Volume 41, Issue 10 , October 2023, , Page 1204-1210

https://doi.org/10.30684/etj.2023.139463.1430

Abstract
  Graphene nanofilms were deposited by the spray coating method at different concentrations (0.05, 0.1, 0.2, 0.3, 0.4, and 0.5 g) and prepared at 120°C. The prepared nanofilms were ...  Read More ...
New S-Box Design for Image Encryption Based on Multi-Chaotic System
New S-Box Design for Image Encryption Based on Multi-Chaotic System

Azhaar A. Abdallah; Alaa K. Farhan

Volume 41, Issue 10 , October 2023, , Page 1211-1219

https://doi.org/10.30684/etj.2023.139076.1416

Abstract
  Image encryption is a crucial area for researchers in information security, which protects digital images from unauthorized access. This paper proposes a novel image encryption scheme ...  Read More ...
Review on the Physicl Properties of Polyethylene Oxide
Review on the Physicl Properties of Polyethylene Oxide

Fahad Z. Kamal; Nahida J. Hameed; Evan T. Salim; Subash C. B. Gopinath

Volume 41, Issue 10 , October 2023, , Page 1220-1231

https://doi.org/10.30684/etj.2023.139937.1447

Abstract
  Solid polymeric electrolytes have become crucial today due to their stability and high conductivity. Recently, lithium ion-doped polymeric electrolytes have gained intense attention ...  Read More ...
A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria
A Comparative Study of Antibacterial Activity of ZnO and TiO2 Nanoparticles Against Gram-Positive and Gram-Negative Bacteria

Ghaed kh. Salman

Volume 41, Issue 10 , October 2023, , Page 1232-1240

https://doi.org/10.30684/etj.2023.143301.1577

Abstract
  Using the sol-gel technique, this study successfully synthesized two types of nanoparticles, ZnO and TiO2. The Fourier-transform infrared (FTIR) spectrum exhibited a broad peak, providing ...  Read More ...
Image Processing Evaluation of LSP Effect on the Corrosion Rate for the 304 Alloy
Image Processing Evaluation of LSP Effect on the Corrosion Rate for the 304 Alloy

Raghad N. Salman; Razi J Al-azawi; A. Kadhim

Volume 41, Issue 8 , August 2023, , Page 1058-1067

https://doi.org/10.30684/etj.2023.136032.1294

Abstract
  The purpose of the study is to inhibit the corrosion rate using the (LSP) laser shock processing technology with an ND-YAG laser utilizing the Q-switched technique with a wavelength ...  Read More ...
Performance Analysis of Underwater Optical Communication System in Turbulent Link
Performance Analysis of Underwater Optical Communication System in Turbulent Link

Murtadha M. Joudha; Jassim K. Hmood; Salah A. Adnan

Volume 41, Issue 8 , August 2023, , Page 1082-1090

https://doi.org/10.30684/etj.2023.138423.1393

Abstract
  Underwater wireless optical communication (UWOC) systems have been identified as a suitable replacement technology with high data rates over relatively medium transmission ranges for ...  Read More ...
Overview in Technical Synthesis and Applications of Zr2AC (A= In, Sn, Pb, Al, S and Se) MAX phases: a brief review
Overview in Technical Synthesis and Applications of Zr2AC (A= In, Sn, Pb, Al, S and Se) MAX phases: a brief review

Dumooa R. Hussein; Khalid K. Abbas; Ahmed M.H. Abdulkadhim Al-Ghaban

Volume 41, Issue 6 , June 2023, , Page 779-792

https://doi.org/10.30684/etj.2022.136391.1313

Abstract
  Zr2AC MAX phases are ternary carbide family with layered structures combining of the outstanding characteristics of metals and ceramics. This review study provides an overview of Zr2AC ...  Read More ...
Fabrication of Silver Nanoparticles in Aqueous Solution by Laser Technique and Study of Their Hemocompatibility and Antibacterial Effects Against Dental Decay Bacteria
Fabrication of Silver Nanoparticles in Aqueous Solution by Laser Technique and Study of Their Hemocompatibility and Antibacterial Effects Against Dental Decay Bacteria

Ruaa H. Abbas; Azhar M. Haleem; Abdulhadi K. Judran

Volume 41, Issue 4 , April 2023, , Page 543-552

https://doi.org/10.30684/etj.2023.136922.1329

Abstract
  Silver nanoparticles (Ag NPs) were prepared by laser ablation of a silver bulk immersed in cetrimonium bromide (CTAB). The immersed sheet was focused by a pulsed Nd:YAG laser at 1064 ...  Read More ...
Effect of Subcritical Treatment (Tempering) on Hardness and Wear of High Chromium White Cast Iron
Effect of Subcritical Treatment (Tempering) on Hardness and Wear of High Chromium White Cast Iron

Sahraoui Aissat; Ali Safa

Volume 41, Issue 4 , April 2023, , Page 553-561

https://doi.org/10.30684/etj.2023.137551.1353

Abstract
  High chromium white cast iron (HCWCI) is used in mining, crushing plants, as mill liners, and in the manufacture of grinding balls. The grinding ball is the essential element in fine ...  Read More ...
E-voting System Based on Ethereum Blockchain Technology Using Ganache and Remix Environments
E-voting System Based on Ethereum Blockchain Technology Using Ganache and Remix Environments

Hind S. Hassan; Rehab Hassan; Ekhlas K. Gbashi

Volume 41, Issue 4 , April 2023, , Page 562-577

https://doi.org/10.30684/etj.2023.135464.1273

Abstract
  Abstract—In the second decade of the twenty-first century, blockchain is considered one of the most popular computer technologies. Blockchain is a zero-trust network, making it ...  Read More ...
Analysis and Simulation the Effect of the Pierce Parameter on the Output of the Free Electron Laser system
Analysis and Simulation the Effect of the Pierce Parameter on the Output of the Free Electron Laser system

Thair A. Khalil Al-Aish; Hanady A. Kamil

Volume 41, Issue 4 , April 2023, , Page 578-585

https://doi.org/10.30684/etj.2023.137996.1365

Abstract
  The free electron laser is considered one of these important and advanced inventions because it provides a laser beam within various wavelengths of the electromagnetic spectrum. In ...  Read More ...
A Comparison of Results among Waste Management Producers: A Case Study for the Process of Waste Management
A Comparison of Results among Waste Management Producers: A Case Study for the Process of Waste Management

Jabbar Abbas; Huda Hadi

Volume 41, Issue 4 , April 2023, , Page 586-591

https://doi.org/10.30684/etj.2023.138376.1388

Abstract
  In this paper, we apply a mathematical model based on cooperative game theory to model cooperation among producers in waste management. Then, we use the Shapely value as a solution ...  Read More ...
A sight of view on hydrothermal synthesis of copper oxide
A sight of view on hydrothermal synthesis of copper oxide

Roaa A. Abaas; Evan T. Salim; Rana O. Mahdi

Volume 41, Issue 4 , April 2023, , Page 592-602

https://doi.org/10.30684/etj.2023.138424.1391

Abstract
  In this study, attention was directed to the preparation of nano-copper oxide films and their multiple applications, where a group of recent researches were presented and compared to ...  Read More ...
The Structural and Optical Investigation of Grown GaN Film on Porous Silicon Substrate Prepared by PLD
The Structural and Optical Investigation of Grown GaN Film on Porous Silicon Substrate Prepared by PLD

Haneen D. Jabar; Makram A. Fakhri; Mohammed J. AbdulRazzaq; Subash C. B. Gopinath

Volume 41, Issue 2 , February 2023, , Page 270-279

https://doi.org/10.30684/etj.2022.135733.1281

Abstract
  The optical properties of a grown gallium nitride (GaN) thin film on a porous silicon (P-Si) substrate was investigated. A Photo-electrochemical etching method was used to synthesize ...  Read More ...
Design and Implement the Innovative Drugstore for Health Care Services Based on Health Mobile Applications and Advanced IoT
Design and Implement the Innovative Drugstore for Health Care Services Based on Health Mobile Applications and Advanced IoT

Yusur S. AL - Saffar; Sabah A. Gitaffa; Abbas H. Issa

Volume 41, Issue 2 , February 2023, , Page 407-417

https://doi.org/10.30684/etj.2022.136179.1302

Abstract
  The health care problems are errors in taking medication, improper storage of the medication, irregularly taking the medication on time, and not knowing the side effects of taking medication ...  Read More ...
Artificial Neural Network-Based Transmission Power Control for Underwater Wireless Optical Communication System
Artificial Neural Network-Based Transmission Power Control for Underwater Wireless Optical Communication System

Omar N. Mohammed Salim; Salah A. Adnan; Ammar H. Mutlag

Volume 41, Issue 2 , February 2023, , Page 456-466

https://doi.org/10.30684/etj.2022.136247.1309

Abstract
  Several scientists have proposed using an underwater wireless optical communication system (UWOC) to deliver high-speed data services using the abundant optical spectrum. However, wireless ...  Read More ...
Improvement of Erosion Resistance of Aluminum- Copper Alloy Type 2024 by Plasma Nitriding
Improvement of Erosion Resistance of Aluminum- Copper Alloy Type 2024 by Plasma Nitriding

Mohammed H. Maseekh; Ali H. Ataiwi; Jamal J. Dawood

Volume 40, Issue 12 , December 2022, , Page 1695-1701

https://doi.org/10.30684/etj.2021.131414.1034

Abstract
  To increase the erosion resistance of 2024 Al alloys, plasma nitriding surface treatment was used. Nitrogen and argon gases are injected into an evacuated chamber until the pressure ...  Read More ...
Preparation and Performance of PU/Cpsf Blend Ultrafiltration Membranes for Removal of Heavy Metal Ion Rejection Studies
Preparation and Performance of PU/Cpsf Blend Ultrafiltration Membranes for Removal of Heavy Metal Ion Rejection Studies

Latha C. S.; Shanthana LakshmiD; Maheswari P.; Mohan D

Volume 40, Issue 10 , October 2022, , Page 1275-1283

https://doi.org/10.30684/etj.2022.132153.1201

Abstract
  The performance of membranes for a specific application can be determined with the help of structural properties such as molecular weight cut-off (MWCO), morphology, and pore statistics. ...  Read More ...
Images Enhancement Based on a New Multi-Dimensional Fractal Created by Rectangular Function
Images Enhancement Based on a New Multi-Dimensional Fractal Created by Rectangular Function

Rabab F. Farhan

Volume 40, Issue 10 , October 2022, , Page 1295-1306

https://doi.org/10.30684/etj.2022.134235.1229

Abstract
  Digital image processing is a field that is included in many journals due to its importance and the fact that it facilitates the achievement of many scientific and engineering applications ...  Read More ...