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

Volume 42, Issue 4 , April 2024, , Page 388-397

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 ...
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

Volume 42, Issue 4 , April 2024, , Page 398-406

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 ...
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 ...
Optimization of Surface Plasmon Resonance (SPR) for Gold/Air Interface by using Kretschmann Configuration
Optimization of Surface Plasmon Resonance (SPR) for Gold/Air Interface by using Kretschmann Configuration

Yadgar H. shwan; Berun N. Ghafoor; Govar H. Hamasalih

Volume 40, Issue 10 , October 2022, , Page 1334-1341

https://doi.org/10.30684/etj.2022.132902.1151

Abstract
  The coherent oscillation of electrons at contact among a dielectric and metal when the metal is exposed to incoming plasmon is known as “surface Plasmon resonance”. To achieve ...  Read More ...
Synthesis of Porous Silicon by Electrochemical Etching for Gas Sensor Application
Synthesis of Porous Silicon by Electrochemical Etching for Gas Sensor Application

Duha H. Jwied; Uday M. Nayef; Falah AH Mutlak

Volume 40, Issue 4 , April 2022, , Page 555-562

https://doi.org/10.30684/etj.v40i4.2064

Abstract
  In the present study, the layers of porous Silicon (PS) have been produced from the p-type Silicon with a (100) orientation using the approach of electrochemical etching. The samples ...  Read More ...