Browsing Journal Articles by Title

Now showing items 1889-1908 of 2788

    • The optimum condition for the synthesis of carbon nanofibers on activated carbon to remove lead from aqueous solution 

      Abdullah, Al Mamun; Yehya, M. Ahmed; Ma’an Fahmi, R. Al Khatib; Ahmad, T. Jameel; Mohammed A., Al Saadi (Universiti Malaysia Perlis (UniMAP), 2019-04)
      Optimum process condition for the production of Carbon Nanofibers (CNFs) to remove lead ion (Pb) from aqueous solution is reported here. The CNFs were produced on the catalyst (Ni2+) impregnated palm oil-based cheap ...

    • Optoelectronic and thermoelectric properties of KAuX5 (X = S, Se): A first principles study 

      Wilayat, Khan; Ali Hussain, Reshak, Prof. Dr. (Springer Verlag, 2014-02)
      The electronic structure as well as optical and thermoelectric properties of the orthorhombic polychalcogenides of gold KAuX5 (X = S, Se) compounds have been investigated using full-potential linearized augmented plane ...

    • Optoelectronic and thermoelectric properties of KAuX5 (X = S, Se): A first principles study 

      Wilayat, Khan; Ali Hussain, Reshak, Prof. Dr. (Springer US, 2014-02)
      The electronic structure as well as optical and thermoelectric properties of the orthorhombic polychalcogenides of gold KAuX5 (X = S, Se) compounds have been investigated using full-potential linearized augmented plane ...

    • 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 ...

    • 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 ...

    • Outlier rejection fuzzy c-means (ORFCM) algorithm for image segmentation 

      Fasahat Ullah, Siddiqui; Nor Ashidi, Mat Isa, Assoc. Prof. Dr.; Abid, Yahya, Dr. (Scientific and Technical Research Council of Turkey, 2013)
      This paper presents a fuzzy clustering-based technique for image segmentation. Many attempts have been put into practice to increase the conventional fuzzy c-means (FCM) performance. In this paper, the sensitivity of the ...

    • 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 sports engineering: history, impact and research 

      Zahari, Taha; Mohd Hasnun Arif, Hassan; Anwar P.P., Abdul Majeed; Mohd Azri, Aris; Nina Nadia, Sahim (Kementerian Pendidikan Tinggi (KPT), MalaysiaInnovative Manufacturing, Mechatronics & Sports Lab (iMAMS), Universiti Malaysia Pahang, 2013)
      Sports engineering can be considered as a new engineering discipline. It bridges the gap between two distinctive fields: sport science and engineering. Sports engineers are responsible in designing and building new ...

    • Ownership structure and financial reporting quality of listed non-financial firms in Nigerian: The moderating role of audit committee 

      Ismail Alhassan; Ali Jibrin; Buhari Amadu (School of Business Innovation and Technopreneurship, Universiti Malaysia Perlis (UniMAP), 2023-06)
      The aim of this study is to evaluate the moderating role of audit committee on the relationship between ownership structure and financial reporting quality of listed non-financial firms in Nigeria. The study used annual ...

    • Oxidation behavior of AISI 304 steel in presence of Na2 SO4 and K2 SO4 at 900°C 

      Mohammed Misbahul, Amin (Carl Hanser VerlagFaculty of Science, University of Maiduguri, Nigeria, 1993)
      Steels with high Cr- and Ni-contents utilized at elevated temperatures are oxidation resistant due to the formation of slowly growing, protective chromium oxide layers [1,2]. Na2SO4 or K2SO4 alone or in synergistic combination ...

    • Oxidation behavior of SAE-1053 alloy in presence of seawater 

      Mohammed Misbahul, Amin; Khairel Rafezi, Ahmad; Habsah, Md Ishak; Neelofar, Amin (INSInet Publication, 2009-01)
      The oxidation behavior of steel SAE-1053 alloy were investigated in presence of seawater at atmospheric condition. The rate of corrosion was varied with the water movements and the aeration. The scale morphologies were ...

    • Oxidation behavior of Sodium-, Calcium- and Potassium- Sulphates coated Fe-20Cr alloy at 800°C 

      Mohammed Misbahul, Amin (Chinese Electronic Periodical ServicesFaculty of Science, University of Maiduguri, Nigeria, 1997-04)
      The effect of Na2S04, CaS04,K2S04 and their mixture coatings on the high temperature oxidation behaviour of Fe-20Cr alloy at 800 C has been investigated. The data have been complemented by kinetic measurements, SEM ...

    • Oxidation behaviour of 18/8 Cr-Ni austenitic steel in presence of Na2SO4 and NiSO4 at 650 to 1000°C 

      Anees, Udin Malik; Mohammed Misbahul, Amin; Sharif, Ahmad (Carl Hanser Verlag, Germany, 1983)
      Iron based alloys containing chromium as a major constituent with nickel additions are the most prominent materials in coal fired generating units and petroleum refinery plants. The corrosion of these alloys under service ...