Volume 21, Number 1 (2026)

CONTENTS
 

Enhancing High-Performance Concrete Strength through Partial Fine Aggregate Replacement with Copper Slag

1-10
J.Vengadesh Marshall Raman, R.Rajesh, P.Sabari Velswaran

 

Design of a Novel Harmonic-Reduction Ballast for Enhanced Power Factor and Efficiency

11-16
Young-Choon Kim, Ok-Hwan Kim, and Moon-Taek Cho


Automatic Musical Instrument Recognition in Video Using a Novel Search Engine

17-26
S.Metilda Florence and Dr. S. Mohan


Theoretical Analysis of Modified Refrigeration Cycle of a Single Effect Lithium Bromide-Water Vapour Absorption System Using Exhaust Gases of IC Engine

pp. 27-34
Raghvendra Kumar Singh and Trinath Mahala


Comparative Lysine Sulfate Efficiency Assessment of the Corynebacterium Glutamicum (V-11167, V-11287). Two Strains

35-42
Irina V. Batlutskaia, Aleksandr A. Sirotin, Aleksei G. Balanovskii, Nadezhda I. Zhivina


A Novel Secret Sharing Scheme Using POB Number System and CRT

43-58
Yin Li


Single phase AC-DC power factor improvement with high frequency isolation using buck converters

59-72
Sumit Kumar Singh,KrishnaPratap Singh


Natural Frequency Estimation of a Free Vibrated Robotic Arm Using Artificial Intelligence

73-84
Israa Rafie Shareef, Iman Ahmed Zayer, Mohammed Yahya Edrees