Browsing Researchers by Title

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    • Landslide simulation using limit equilibrium and finite element method 

      Zuhayr, Md Ghazaly; Mustaqqim, Abdul Rahim; Kok Alfred, Chee Jee; Nur Fitriah, Isa; Liyana, Ahmad Sofri (Trans Tech Publications Ltd., 2016)
      Slope stability analysis is one of the ancient tasks in the geotechnical engineering. There are two major methods; limit equilibrium method (LEM) and finite element method (FEM) that were used to analyze the factor of ...

    • Laser cutting of coronary stents: Progress and development in laser based stent cutting technology 

      Noorhafiza, Muhammad; Mohd Mustafa Al Bakri, Abdullah; Mohd Shuhidan, Saleh; Li, Lin (Trans Tech Publications Ltd., 2015)
      Laser cutting is one of the key fabrication technologies applied to coronary stent manufacture. This paper reviews the recent progress in laser-based stent manufacturing, including different type of lasers used, laser ...

    • Laser marking equipment process $0 cost productivity improvement 

      Vincent, Darin Moreira Anthony; Rajamony, Bhuvenesh (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Semiconductor manufacturing in an Assembly and Test Manufacturing (ATM) environment is becoming more challenging with continuous pressure of lowering overall operating cost and striving for perfect quality in the hope of ...

    • Lattice Imperfections in Intermetallic Ti-Al alloys: an X-Ray Diffraction study of the microstructure by the Rietveld method 

      Lee Liu Mei (Universiti Malaysia PerlisSchool of Materials Engineering, 2008-03)
      Microstructure in intermetallic Ti-Al alloys with compositions of Al= 45, 50, 55, and 60% in the homogenized bulk states has been extensively studied using Rietveld whole X-ray profile fitting technique, adopting the ...

    • Lawatan ke-2 KMUTT ke UniMAP meterai 2 projek kerjasama 

      Mohd Mustafa Al Bakri, Abdullah; Mohd Hafeez Nordin (Universiti Malaysia Perlis, 2008-08)

    • LED heat dissipation analysis using composite based cylindrical slug 

      Zaliman, Sauli, Dr.; Vairavan, Rajendaran; Retnasamy, Vithyacharan (Trans Tech Publications Inc., 2014-02)
      The optical efficacy and reliability of light emitting diode is extensively influenced by the operating junction temperature of the LED. Therefore, the evaluation of junction temperature is significant. This paper reports ...

    • LED heat dissipation study using different Cu slug size 

      Vairavan, Rajendaran; Retnasamy, Vithyacharan; Zaliman, Sauli, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      High power light emitting diodes (LEDs) have significant contribution in illumination industry due exceptional advantages in terms of low power consumption, superior reliability, prolonged life time and high efficiency. ...

    • Legitimacy of the Malays as the Sons of the Soil 

      Od. M. Anwar; Wan Ahmad Fauzi, Wan Husain; Junaidi, Abu Bakar; Zulayti, Zakaria (Canadian Center of Science and Education, 2012-12-31)
      This paper presents evidence to defend the Malay as legitimate sons of the soil. The arguments are supported by linguistic, archeological, paleoanthropological, prehistorian, botanical, genetic and forensic evidence. The ...

    • Level of mercury and copper in groundwater at Pulau Burung sanitary landfill 

      Azlinda, Abdul Ghani; Suffian, Mohd Yusoff, Dr.; Naimah, Ibrahim; Ragunathan, Santiagoo; Saiful Azhar, Saad; Salwa, Mohd Zaini Makhtar (Malaysian Institute of Chemistry, 2007-08-23)
      Sanitary landfill is one of the waste management system applied in Malaysia. Improper management of the landfill will result in contamination of the surrounding area especially water and groundwater due to the production ...

    • Lifting scheme for human emotion recognition using EEG 

      Murugappan, M., Dr.; Mohd Rizon, Mohamed Juhari; Nagarajan, Ramachandran, Prof. Dr.; Sazali, Yaacob, Prof. Dr.; Ibrahim, Zunaidi; Hazry, Desa, Assoc. Prof. Dr. (IEEE Conference Publications, 2008-08)
      In recent years, the need and importance of automatically recognizing emotions from EEG signals has grown with increasing role of brain computer interface applications. The detection of fine grained changes in functional ...

    • Lightweight fly ash-based geopolymer concrete 

      Omar A., Abdulkareem; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Prof. Madya Dr. (Trans Tech Publications, 2013)
      The experiments of this study were preformed to study the synthesis process for lightweight aggregate geopolymer concrete (LWAGC) using normal sand as a fine aggregate and expanded clay as lightweight aggregate. The LWAGC ...

    • Lightweight Heat Resistant Geopolymer-based Materials Synthesized from Red Mud and Rice Husk Ash Using Sodium Silicate Solution as Alkaline Activator 

      Hoc Thang, Nguyen; Trung Kien, Pham; Mohd Mustafa Al Bakri, Abdullah (EDP Sciences, 2017)
      Geopolymer is an inorganic polymer composite with potentials to replace Ordinary Portland Cement (OPC)-based materials in the future because of its lower energy consumption, minimal CO2 emissions and lower production cost ...

    • Limits of motion-background segmentation using fundamental matrix estimation 

      Shafriza Nisha, Basah, Dr.; Hoseinnezhad, Reza; Bab-Hadiashar, Alireza (IEEE Conference Publications, 2008)
      Images of a moving object acquired by a static camera typically contain two groups of image correspondences belonging to the object in motion and the static (or nearly static) background. For objects with relatively small ...

    • Linear and nonlinear optical susceptibilities and hyperpolarizability of borate LiNaB 4O 7 single crystals: Theory and experiment 

      Ali Hussain, Reshak, Prof. Dr.; Xuean, Chen; Auluck, Sushil, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (American Institute of Physics., 2012-09)
      LiNaB 4O 7 was synthesized by employing high-temperature reaction methods. The purity of the sample was checked by x-ray powder diffraction. The optical properties were measured by analyzing the diffuse reflectance data ...

    • Linear and nonlinear optical susceptibilities and the hyperpolarizability of borate LiBaB9O15 single-crystal: theory and experiment 

      Ali Hussain, Reshak, Prof. Dr.; Chen, Xuean; Auluck, Sushil; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Chysky, Jan; Wojciechowski, Artur; Kityk, Ivan V. (American Chemical Society, 2013-11)
      The single-crystal borate LiBaB9O15 was synthesized by a high-temperature solution reaction and structurally determined by the single-crystal X-ray diffraction technique. It crystallizes in the noncentrosymmetric space ...

    • Linear optical susceptibilities of the oxoborate (Pb 3O) 2(BO 3) 2WO 4: Theory and experiment 

      Ali Hussain, Reshak, Prof. Dr.; Xuean, Chen; Auluck, Sushil, Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (Springer Science+Business Media, 2012-08)
      The optical susceptibilities have been investigated experimentally and theoretically for a newly synthesized oxoborate, (Pb 3O) 2(BO 3) 2WO 4. The crystal structure is composed of one-dimensional 1 ∞ [Pb 3O] 4+ chains ...

    • Linearity improvement of 5.2-GHz CMOS up-conversion mixer for wireless applications 

      Sohiful Anuar, Zainol Murad, Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Pokharel, Ramesh Kumar, Prof.; Kanaya, Haruichi, Assoc. Prof.; Yoshida, Keiji, Prof (John Wiley & Sons, Inc., 2012-04)
      This letter presents linearity improvement up-conversion mixer at 5.2 GHz for wireless applications. The design is based on Gilbert-cell active double-balanced mixer using derivative superposition method for linearity ...

    • Lipase and protease production from Jatropha curcas cake : A review 

      Nurul Iwani, Alawi; Khairul Farihan, Kasim; Mohamed Zulkali, Mohamed Daud, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2009-07-18)
      Jatropha cake is one of the best carbon sources among various carbohydrates because it is pure, inexpensive and available in mass supply. The utilization of Jatropha cake as substrate for enzyme production could be an ...

    • Lipase production from Jatropha curcas solid waste 

      Nurul Iwani, Alawi; Khairul Farihan, Kasim; Mohamed Zulkali, Mohamed Daud, Prof. Madya Dr. (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Lipases produced by using agro-industrial residual or waste as substrate become interesting topic among the researchers. The aim of this study was to produce lipases by valorization the Jatropha solid waste as substrate ...

    • Load-displacement behavior of RBD palm stearin oil lubricant quantity in cold extrusion 

      Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Mohd Afendi, Rojan; Imaduddin Helmi, Wan Nordin; Boon, Raymond Whee Heng; Syahrullail, Samion, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      Large consumption of lubricant may affect the environment due to their high potential of pollution. Therefore, there is significant demand to provide a solution to this current condition by using alternative lubricant ...