With the growing hydrogen economy, hydrogen is expected to play a significant part in the
decarbonization of the world's energy supply. However, the use of hydrogen technologies …

In this work we investigated the friction wear of a thermoplastic polymer (nylon-6) reinforced
with particles of seashell. Seashells are made of calcium carbonate in the mineral form of …

Abstract Magnetic Resonance Imaging (MRI) is a medical indicative test utilized for taking
images of the tissue points of interest of the human body. During image acquisition, MRI …

This paper presents and implements an unauthorized object detector using ultrasonic
waves. Ultrasonic refers to the waves with frequencies over 20 kHz. It is insensitive to human …

Ultrasound is becoming increasingly important in medicine, both as a diagnostic tool and as
a therapeutic modality. At present, experienced sonographers observe trainees as they …