Now showing items 2373-2392 of 3486

    • Optoelectronic properties of GaAs and AlAs under temperature effect 

      Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Uda, Hashim, Prof. Dr. (Elsevier GmbH, 2013-08)
      An application study of optoelectronic properties as a function of the temperature for GaAs and AlAs according to our model has been presented using empirical pseudopotential method (EPM). The structural phase transition ...
    • Organic dye degradation with TiO2 catalyst/AAO template in the presence of H2O2 

      Alaba Oladeji, Araoyinbo; Mohd Nazree, Derman, Dr.; Azmi, Rahmat, Prof.; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2013)
      In this study, anodic aluminum oxide (AAO) fabricated from phosphoric acid electrolyte at ambient temperature was used as the porous template, while a sol gel procedure was used for the preparation of the TiO2 sol with the ...
    • Organic pollutants removal from diluted palm oil mill effluent (POME) through Sono–Fenton–nZVI process 

      Mohd Raihan, Taha, Prof. Dr.; Abdul Haqi, Ibrahim; Ayu Wazira, Azhari; Mahyun, Ab Wahab (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this study, an advance Fenton process called sono-Fenton-nZVI process was used to remove organics content from palm oil mill effluent (POME). Factors such as pH, sonication intensity and sonication time were studied in ...
    • Organic thin film transistor memories with carbon nanodots fabricated by focused ion beam chemical vapor deposition 

      Ruslinda, Abd. Rahim; Uda, Hashim, Prof. Dr.; Fukuda, Hisashi; Tada, Yoshihiro; Wainai, Noriyuki; Uesugi, Katsuhiro; Shimoyama, Yuhei (American Institute of Physics, 2009-06-01)
      Metal-insulator-semiconductor field effect transistor (MISFET) structures with a nanocrystal carbon (nc-C) embedded in SiO2 thin films using a focused ion beam chemical vapor deposition (FIBCVD) system with a precursor of ...
    • Organization of mixed dimethyldioctadecylammonium and choline modifiers on the surface of synthetic hectorite 

      Andriani, Yosephine; Jack, Kevin S.; Gilbert, Elliot P.; Edwards, Grant A.; Schiller, Tara L.; Strounina, Ekaterina V.; Azlin Fazlina, Osman; Martin, Darren J. (Elsevier Inc., 2013-11)
      Understanding the nature of mixed surfactant self-assembly on the surface of organoclays is an important step toward optimizing their performance in polymer nanocomposites and for other potential applications, where selective ...
    • Orientation-based pairwise coarse registration with markerless terrestrial laser scans 

      Siti Nurhashima, Mohd Isa; Shazmin Aniza, Abdul Shukor; I., Maarof; Zainor Ridzuan, Yahya; Norasmadi, Abdul Rahim; Ammar, Zakaria; A. H., Abdullah; R., Wong (Copernicus Publications, 2019)
      In this paper, pairwise coarse registration is presented using real world point cloud data obtained by terrestrial laser scanner and without information on reference marker on the scene. The challenge in the data is because ...
    • Orthogonal least squares method and its application to nonlinear modeling of automotive engine fuelled with palm oil methyl esters 

      Azuwir, Mohd Nor; Mohd Zaki, Ab. Muin, Prof. Dr.; Abdul Hamid, Adom, Prof. Dr. (Praise Worthy Prize S.r.l., 2013)
      In this paper, nonlinear mathematical models for an automotive engine fuelled with palm biodiesel (Palm Oil Methyl Ester) are developed. Assuming a discrete time form for the system model, a polynomial Nonlinear Autoregressive ...
    • OSCDMA Double Weight Code: a simplified formula code construction technique 

      Mohammed, A.; Babekir, E.I.; Elfadel, N.; Saad, N.M.; Anuar, Mat Safar; Syed Alwee Aljunid, Syed Junid; Mohamad Khazani, Abdullah (Institute of Electrical and Electronics Engineering (IEEE), 2007)
      This paper the construction of the double weight (DV) code family, one the recent codes for spectral amplitude coding (SAC) is studied. The DW code family is constructed using a matrix construction technique and a mapping ...
    • Oscillatory dynamical switching system of bulk ferroelectrics 

      Mohamad Nazri, Abdul Halif; S. Daud; Junaidah Osman (Science Publications, 2005)
      This study gives a detailed account of calculation of the bulk ferroelectric (FE) oscillatory dynamical system switching for first and second-order phase transition, respectively. All the formalism is delineated in the ...
    • The outcome of sintering parameters study toward the thermal properties of CuSiC composite 

      Mohabattul Zaman, S NS Bukhari, Prof. Madya Ir.; M.S.J. Hashmi; Dermot, Brabazon (Trans Tech Publications, 2014)
      Miniaturisation of electronic chips which have increasing functionality within the same package size has induced significant increases in requirements for extraction of heat from the integrated circuit (IC). Packaging ...
    • Outdoor propagation analysis for LR-WPAN IEEE 802.15.4 

      M. Azudin, Mohd Arif; L. Munirah, Kamarudin; Ali Yeon, Md Shakaff, Prof. Dr.; Mohd Noor, Ahmad, Prof. Dr.; R. Badlishah, Ahmad, Prof. Madya Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2010-09-22)
      This paper presents a preliminary study to obtain the propagation characteristics for IEEE 802.15.4 Low Rate-Wireless Personal Area Network (LR-WPAN). Two units of Wireless Sensor Networks Nodes (WSNs) were used in this ...
    • An overview of acute leukemia: Blood cell segmentation and classification 

      Lim, Huey Nee; Mohd Yusoff, Mashor, Prof. Dr.; Rosline, Hassan (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Morphological evaluation and classification of peripheral blood and bone marrow samples is one of the standard diagnostic procedures for acute leukemia. The morphological diagnosis involves manually distinguishing cells ...
    • An overview of analysis on ECG signal for heart disease 

      Shazwani, Shufni; Mohd Yusoff, Mashor, Prof. Madya Dr.; Mohd Shaiful Aziz, Rashid Ali (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      The heart is the most important organ in the human body. The malfunctioning of the heart itself can be fatal to one’s life. The heart is built up from a myogenic muscular organ consist of a circulatory system which is ...
    • Overview of automatic stuttering recognition system 

      Lim, Sin Chee; Ooi, Chia Ai; Sazali, Yaacob (Universiti Malaysia Perlis, 2009-10-11)
      Stuttering is a speech disorder. The flow of speech is disrupted by involuntary repetitions and prolongation of sounds, syllables, words or phrases, and involuntary silent pauses or blocks in communication. Stuttering is ...
    • An overview of low density parity check codes 

      Abid, Yahya; Farid, Ghani; R. Badlishah, Ahmad, Prof. Madya Dr.; Malook, Raj (Asian Network for Scientific Information, 2010-07-10)
      Not available
    • Overview of pathogenic micro-organisms destruction in contaminated water by oxide photocatalysis 

      Noor Azira, Mohd Noor; Muhammad Asri, Idris, Dr.; Dewi Suriyani, Che Halin, Dr.; Mohd Nazree, Derman, Dr.; Mohd Arif Anuar, Mohd Salleh (Trans Tech Publications, 2013)
      The titanium dioxide (TiO2) is a semiconductor oxide photocatalys, which is chemically and biologically inert but exhibits excellent photolytic activity in the ultraviolet (UV) region. Progress in photocatalytic water ...
    • An overview of thalassaemia disease 

      Nurul Zhafikha, Noor Rashid; Mohd Yusoff, Mashor, Prof. Madya. Dr.; Rosline, Hassan, Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012-02-27)
      Cooley’s anemia, Mediterranean anemia and thalassaemia major, all refer to a severe, inherited form of anemia first described in 1925 by Dr. Thomas Benton Cooley, an American Pediatrician. There are two types of ...
    • Overview on high potential material for Thermoelectric and their structure 

      Muhammad Asri, Idris; Mohd Hisyam, M.; Syamsul Bahtiar, A. G.; Rohaya, A. M.; Nur Farhana, H.; Suzilawati, A. W. (Kolej Universiti Kejuruteraan Utara Malaysia, 2005-05-18)
      This report will review the most promising material for thermoelectric application (thermoelectric refrigerator and thermoelectric generator). Here we are concerned on the material selection with emphasizing on their ...
    • Oxide semiconductors for solar to chemical energy conversion: nanotechnology approach 

      Shamsul, Baharin Jamaludin, Prof. Dr.; Mohd Awang, Idris, Dr.; Zul Azhar, Zahid Jamal, Dato' ,Prof. Dr.; Nafarizal, Nayan, Dr.; Abdul Kadir, Othman, Dr.; Mohd Zainizan, Sahdan, Dr.; Mohamad Pauzi, Zakaria; M, Ionescu; Janusz, Nowotny, Prof. (Institute for Ionics, 2014)
      The present work considers the application of oxide semiconductors in the conversion of solar energy into the chemical energy required for water purification (removal of microbial cells and toxic organic compounds from ...
    • P-recovery as calcium phosphate from wastewater using an integrated selectrodialysis/crystallization process 

      Anh T.K., Tran; Yang Zhang; Dominik, De Corte; Jan-Bart, Hannes; Wenyuan Ye; Priyanka, Mondal; Nora, Jullok; Boudewijn, Meesschaert; Luc Pinoy; Bart Van der, Bruggen (Elsevier, 2014)
      A promising and sustainable renewable source of phosphate was obtained through crystallization of calcium phosphate from wastewater. The aim of the present study was to evaluate the feasibility of an integrated ...