Browsing Khairel Rafezi Ahmad, Associate Prof Dr. by Subject "Electrical properties"

Now showing items 1-2 of 2

    • The sensing mechanism and detection of low concentration acetone using chitosan-based sensors 

      Tulus Ikhsan, Nasution; Irwana, Nainggolan, Dr.; Sabar Derita, Hutagalung, Dr.; Khairel Rafezi, Ahmad, Dr.; Zainal Arifin, Ahmad (Elsevier B. V., 2013)
      This paper aims to discuss the usage of chitosan film sensors to detect acetone concentrations in human breath, in order to precisely diagnose diabetes mellitus in patients. Acetone concentration in the breath varies from ...

    • Wettability, electrical and mechanical properties of 99.3Sn-0.7Cu/Si 3N4 novel lead-free nanocomposite solder 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairel Rafezi, Ahmad, Dr.; Mohd Arif Anuar, Mohd Salleh; Muhammad Hafiz, Hazizi; Zainal Arifin, Ahmad, Prof. Dr. (Trans Tech Publications, 2011-07-04)
      A nanocomposite solder alloy with 99.3Sn-0.7Cu base alloy was successfully fabricated using the powder metallurgy route which consists of blending, compaction and sintering. Varying amount of nano size silicon nitride ...