Now showing items 1796-1815 of 3514

    • Investigation of heat released during geopolymerization with fly ash based geopolymer 

      Rosnita, Mohamed; Rafiza, Abd Razak; Mohd Mustafa Al Bakri, Abdullah; Raa Khimi, Shuib; Nurul Aida, Mohd Mortar; Warid Wazien, Ahmad Zailani (IOP Publishing Ltd, 2019-08)
      Geopolymerization consists of several chemical reactions that has been reported widely as an exothermic reaction. Previous studies on heat released during geopolymerization used metakaolin and fly ash of F class as a ...
    • Investigation of homogeneous multi robots communication via bluetooth 

      Abdul Halim, Ismail; Mohd Nasir, Ayob; Hassrizal, Hassan Basri; Wan Khairunizam, Wan Ahmad, Dr.; Shahriman, Abu Bakar, Dr.; Kaihao, Thum; Muhamad Safwan, Muhamad Azmi; N, Abdul Rahim; M, Azri Aziz; Mohd Sani, Mohamad Hashim (IEEE Conference Publications, 2012)
      Task assignments to team of homogenous autonomous robots are in research trends in robotic field. Autonomous homogeneous multi-robot is known to have similar architecture in terms of structure and identical control system ...
    • Investigation of influence of voltage source type on harmonic characteristics 

      Risnidar, Chan Bahaudin; Ismail, Daut, Prof. Dr.; Surya, Hardi Amrin; N., Hashim; Indra, Nisja; Syafruddin, Hasan (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-23)
      This paper discussed about influence of voltage source types on harmonic characteristics. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is has voltage sources through the elements ...
    • Investigation of noise reduction coefficient of organic material as indoor noise reduction panel 

      Tengku Nuraiti, Tengku Izhar; Laila Mardiah, Deraman; Wani Nadirah, Ibrahim; Nabilah Aminah, Lutpi (Trans Tech Publications, 2015)
      Noise can cause a few types of effect to human health especially in hearing like hearing loss. Indoor noise pollution comes from many sources and places. The research focuses on the sound reduction wall surface material ...
    • Investigation of power factor on harmonic effect due to types of voltage source 

      Risnidar Chan Bahaudin, Ir.; Ismail, Daut, Prof. Dr.; Syafruddin, Hassan; M. I., Yussof; Rosnazri, Ali; Dina Maizana, Maiz Ahmad; Indra, Nisja; Masykur (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      This paper discussed about power factor on harmonic effect due to types of voltage source. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is has voltage sources through the elements ...
    • An investigation of Rayleigh distribution in reverberation chamber 

      Azremi, Abdullah Al Hadi (Institute of Electrical and Electronics Engineering (IEEE), 2006-09-12)
      Amplitude fluctuations in signals received over mobile radio channels are typically modeled by a Rayleigh distribution. The field statistics in the volume of the enclosure are shown to correspond to the Rayleigh statistics ...
    • Investigation of relationships of adjustable speed drive (ASD) and type of voltage source on harmonic characteristics 

      Risnidar Chan Bahaudin, Ir.; Ismail, Daut, Prof. dr.; Surya, Hardi; M. I., Yussof; Rosnazri, Ali; Dina Maizana, Maiz Ahmad; Eddy, Warman; Masykur (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2012-10-16)
      This paper discussed about relationship of ASD and types of voltage source on harmonic characteristics. Usually, the voltage source is sinusoidal. But in actually, the condition of the load is it has voltage sources ...
    • Investigation of rolling and hard direction of magnetic field distribution on Grain Oriented M5 electrical steel material 

      Ismail, Daut; Anayet, Karem; Syafruddin, Hasan; Muhammad Irwanto (Universiti Malaysia Perlis, 2009-10-11)
      This paper describes the idea of the electrical machine design perspective whose aim is latter on to design and development of the copper and aluminum rotor for induction motors to improve the operational efficiency. The ...
    • Investigation of single and double action mechanical deflection 

      Heap, Yee Nean; Usubamatov, Ryspek, Prof. Dr. (Malaysian Technical Universities Network (MTUN), 2009-06-20)
      Many types of washing approaches have been introduced in laundry industry. They generally use rotating drum and rotary actuator installed at the bottom washing drum to generate rotating effect during washing process. There ...
    • Investigation of surface roughness on platinum deposited wafer after reactive ion etching using SF₆+Argon gaseous 

      Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Aaron, Koay Terr Yeow; Siew Chui, Goh; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      This paper investigates the factors that affect the surface roughness on a Platinum deposited wafer after reactive ion etching (RIE) using a combination of SF₆ and Argon gaseous. A total of three controllable process ...
    • An investigation of the processability of natural fibre reinforced polymer composites on shallow and flat thin-walled parts by injection moulding process 

      Mohd. Azaman, Md Deros; Mohd Sapuan, Salit, Prof. Ir. Dr.; Shamsuddin, Sulaiman, Prof. Dr.; Edi Syams, Zainudin, Prof. Madya Dr.; Khalina, Abdan (Elsevier B.V., 2013-09)
      Currently, many industries are trending towards producing products exhibit such properties as small thickness, lightweight, small dimensions, and environmental friendliness. In this project, flat or shallow thin-walled ...
    • Investigation of the tensile strength of new palm oil based wax/ HDPE/ Palm oil fiber blends by using full factorial design 

      Ahmad Nabil, Mohd Khalil; Mohd Fidzwan, Md Amin Hamzas; Mohd Sabri, Hussin; Sanuddin, A. B.; Zailani, Zainal A. (Praise Worthy Prize, 2013-11)
      This paper is to investigate the tensile strength of new palm oil based wax/HDPE/Palm oil fiber blends was investigated by using 23 factorial design experiment. The palm oil based wax exhibits the potential of replacing ...
    • An investigation of TiO2 addition on microstructure evolution of Sn-Cu-Ni solder paste composite 

      Norainiza, Saud; Rita, Mohd Said; Mohd Arif Anuar, Mohd Salleh; Mohd Nazree, Derman; Mohd Izrul Izwan, Ramli; Norhayanti, Mohd Nasir (EDP Sciences, 2016)
      In this research, varying fraction of titanium oxide (TiO2) reinforcement particles was successfully incorporated into Sn-Cu-Ni solder paste in an effort to study the influence of TiO2 addition on microstructure evolution ...
    • Investigation of vision impairments using pattern reversal VEPs and extreme learning machine 

      Vijean, Vikneswaran; Hariharan, Muthusamy; Sazali, Yaacob, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      Analysis of vision impairment using pattern reversal visually evoked potentials (VEP) is gaining interest from researchers. The VEPs are collected using non-invasive EEG electrodes from the scalp overlaying the occipital ...
    • Investigation of water hammer effect through pipeline system 

      Tan, Wee Choon; Prakash, Churia; Lim, Eng Aik; Teoh, Thean Hin (Indonesian Society for Knowledge and Human Development (INSIGHT), 2012)
      This paper we study the condition where the water hammer effect is occurs in pipe line. Water hammer can cause the pipe to break if the pressure is high enough. The experiment will be set-up to investigate the water hammer ...
    • Investigation of XeF2 dry etching for contact isolation of screen printed IBC solar cell 

      Mohd Khairunaz; Suhaila, Sapeai; Ayu Wazira, Azhari; Kamaruzzaman, Sopian; Saleem Hussain, Zaidi (Institute of Electrical and Electronics Engineers Inc., 2013-06)
      We demonstrated the use of Xenon Difluoride (XeF2) plasma less vapor etching for isolation of n and p regions in screen-printed interdigitated back contact (IBC) solar cell. The fabrication process is free from lithography ...
    • Investigation on Green Properties of Magnesium Alloy AZ31 Feedstocks Molded via Metal Injection Molding Process 

      Nooraizedfiza, Zainon; Mohd Afian, Omar; Nur Liyana Mohd Rosli; Marina, Marzuki (IOP Publishing, 2019)
      Powder loading is an important parameter because of its role in part shrinkage, dimensional stability, and final density. Thus, this research investigated the properties of the molded magnesium feedstocks in determining ...
    • Investigation on Heavy Precipitation Effects over FSO Link 

      M. F., Talib; Abdul Rahman, Kram; Anuar, Mat Safar; Mohd Rashidi, Che Beson; Syed Alwee Aljunid, Syed Junid (EDP Sciences, 2017)
      This paper has examined the performance of free space optic system and scattering effects over the laser propagation. Analysis result based on Optisystem simulation software and rain data collected from Malaysia Meteorological ...
    • Investigation on microstructure of heat treated high manganese austenitic cast iron 

      A.K., Muzafar; M.M., Rashidi; I., Mahadzir; Shayful Zamree, Abd Rahim (EDP Sciences, 2016)
      The effect of manganese addition and annealing heat treatment on microstructure of austenitic cast irons with high manganese content (Mn-Ni-resist) were investigated. The complex relationship between the development of the ...
    • Investigation on Microstructure of Heat Treated High Manganese Austenitic Cast Iron 

      A.K., Muzafar; M. M., Rashidi; I., Mahadzir; Shayfull Zamree, Abd Rahim (EDP Sciences, 2016)
      The effect of manganese addition and annealing heat treatment on microstructure of austenitic cast irons with high manganese content (Mn-Ni-resist) were investigated. The complex relationship between the development of the ...