Now showing items 223-242 of 2600

    • Carbon nanotubes application in research & development and industry 

      Abdul Rahman, Mohamed, Prof. Dr. (Universiti Malaysia Perlis (UniMAP)Institute of Nano Electronic Engineering (INEE), 2011-07-25)
    • Carbothermic reaction characteristics of Indonesian Lateritic Nickel Ore 

      Sri Harjanto; Reza M., Ulum; Bambang, Suharno (Universiti Malaysia Perlis, 2009-12-01)
      In Indonesia, oxide nickel ore in the form of lateritic ore resources occur at the amount of 16 % from total nickel lateritic ore resources in the world. This resource is very attractive not only from economically but also ...
    • Cascade PI control of an inverted pendulum using C# with knowledge base 

      Sy. Najib, Sy. Salim; Chee, Eric Sai Hoo; Sahazati, Md. Rozali; Herman, Jamaluddin; M. Khairi, Aripin (Universiti Malaysia Pahang (UMP), 2009-06-20)
      This paper presents an inverted pendulum controlled by cascade PI algorithm using Microsoft C#. Increment rotary encoder will measure tilt angle and send feedback back to controller for PI calculation. Signal from rotary ...
    • A case study for environmental impact assessment of oil refinery in Iran with emphasis of Environmental and Social Action Plan (ESAP) 

      Mohammad Rezaie, Narimisa; Noor Ezlin, Ahmad Basri; Othman, Jaafar (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      Oil giant projects in the industrial and economic growth and welfare of human communities have been designed and implemented are in no doubt about the negative environmental effects such as water pollution, soil, air, loss ...
    • Casual relatonship between Information Literacy Skills and Information Review Writing Skills of Graduate Writing Skills of Graduate on social sciences and humanities of Srinakharinwirot University 

      Pipitkul, Patchara (Universiti Sains MalaysiaPerpustakaan, 2007-10-31)
      The objectives of this study were 1) to assess Information Literacy Skills and Literature Review Writing Skills of Graduate students in social science and humanities of Srinakharinwirot University. 2) to develop causal ...
    • Catalytic conversion of RBD Palm Oil to Gasoline: the effect of Silica-Alumina Ratio in HZSM-5 

      Farizul Hafiz, Kasim; Nor Aishah, Saidina Amin; Suhardy, Daud; Saiful Azhar, Saad; Mohd Nazry, Salleh (Universiti Teknologi Malaysia (UTM), 2006-07-24)
      The RBD palm oil was converted to gasoline by passing its vapor through HZSM-catalyst. Three samples of HZSM-5 with different silica-alumina ratio (SiO2/ Al2O3) of 30, 50 and 70 were prepared and used to investigate the ...
    • Catalytic dehydrogenation of methylcyclohexane (MCH) to toluene in a palladium/alumina hollow fibre membrane reactor 

      Mohd Irfan Hatim, Mohamed Dzahir, Dr.; Umi Fazara, Md. Ali, Dr.; Muhammad Syarhabil, Ahmad, Dr.; Fahmi, Riduwan (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      A compact multifunctional Pd/alumina hollow fibre membrane reactor (HFMR) has been developed and used for the catalytic dehydrogenation of methylcyclohexane to toluene. The developed HFMR consists of a thin and defect-free ...
    • Catalytic effect on pyrolysis of rice straw 

      Razi, Ahmad; Khairuddin, Md. Isa (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-09-16)
      A study of the catalytic pyrolysis on rice straw was carried out in a fixed-bed reactor. The work objectives were to determine the effect of catalyst on distribution of product yield and bio-oil characterization. The ...
    • The causes of global credit crisis 

      Suraiya, Ibrahim; Siti Nor Junita, Mohd Radzi (Universiti Malaysia Perlis (UniMAP)Centre for Communication Skills and Entrepreneurship, 2010-11-12)
      This paper discussed the chronology, indicators and causes of global credit crisis to the financial institution and firms. It begins with the background of global credit crisis and follows a discussion of the causes of ...
    • The CCSRR influences towards circular microstrip antenna 

      A. A M., Ezanuddin; Fareq, A. Malek; Soh, Ping Jack (Institute of Electrical and Electronics Engineers (IEEE), 2010-06-15)
      A circular profile microstrip antenna and its related structural dimensions meant for 5850-7075 MHz Malaysia HAPS operating band are investigated here. Appearing by three layers and having layer three surface copper re-shaped ...
    • CdS film thickness characterization by R.F. magnetron sputtering 

      Uda, Hashim, Prof. Dr.; Kasim, Abdul Rahman; Hakim; Mohd Azri, Othman (American Institute of Physics, 2009-06-01)
      In this work, cadmium sulphide (CdS) target with 99.999% purity was used as a target in RF magnetron sputtering. The sputtering experiment was conducted onto silicon oxide substrates at different temperatures ranging from ...
    • Centralized resource allocation in data envelopment analysis via one-phase linear mathematical programming 

      Najmeh, Malekmohammadi; Azmi, Jaafar (Universiti Malaysia Perlis (UniMAP)Institut Matematik Kejuruteraan, 2010-06-02)
      In the existing data envelopment analysis (DEA) models, we have a centralized decision maker (DM) who supervises all the operating units. I this paper, one-phase model is proposed for centralized resource allocation in ...
    • A certain investigations on the performance issues of smart antennas for cellular mobile communications 

      Gunasekaran, T.; Shankar Kumar, K.R.; Manisankar, S.; Parthiban, K.; Periyasamy, I.; Sivakumar, R. (Universiti Malaysia Perlis, 2009-10-11)
      Adaptive antenna arrays are being developed to cope with the high capacity requirement of the 3G/4G wireless cellular communications systems. As adaptive antenna arrays focus narrow high gain beams towards the desired users ...
    • CFD modelling of air flow distribution from a fan 

      Mohd Yusoff, Sulaiman; Shamsul Bahari, Azraai; Wan Mokhtar, Wan Abdullah (Universiti Malaysia Perlis, 2009-10-11)
      This paper presents a Computational Fluid Dynamics (CFD) modeling simulation of air flow distribution from an automotive radiator fan. An introduction to the nature of the physical fan air flow problem and its significance ...
    • CFD prediction of heat and fluid flow through U-bends using high reynolds-number EVM and DSM models 

      Mohd Fairusham, Ghazali; Mohd Fadzil, Abd Rahim (Malaysian Technical Universities Network (MTUN), 2012-11-20)
      The cooling system of gas turbine blades understanding and improvement is increasing desires for computational techniques which can accurately model the flow field and heat transfer characteristics of blade cooling passage ...
    • CFD study on the effect of ultrasound wave frequency on cavitation field inside a liquid 

      Masoud Rahimi1; Mahdieh Abolhasani; Maryam Dehbani; Ammar.A. Alsairafi (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      The effects of different ultrasonic wave frequencies are studied in this paper. The flow behavior of the liquid in a vessel with ultrasound transducer is numerically investigated using CFD calculations. Liquid imposed ...
    • Challenges in developing a driver monitoring system 

      Arun, Sahayadhas; Sundaraj, Kenneth, Prof. Dr.; Murugappan, M., Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      For safe journey, the behavior of the driver has to be monitored. Statistics prove that most of the road accidents are due to driver abnormal behavior like drowsiness, inattention and drunk and drive. If a monitoring system ...
    • Channels estimation in OFDM system on block-type and comb-type pilot arrangement 

      Mohd Suhaizal, Abu Hassan; Abid, Yahya, Dr.; Farid, Ghani, Prof. Dr.; R. Badlishah, Ahmad, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In orthogonal frequency division multiplexing (OFDM) systems over time-varying and frequency-selective fading channel, channel estimation and tracking is generally carried out by transmitting known pilot symbols in given ...
    • A chaotic neural network based encryption algorithm for MPEG-2 encoded video signal 

      A. Tariq, A. Fadil; Shahrul Nizam, Yaakob; R. Badlishah, Ahmad, Prof. Madya Dr.; Abid, Yahya, Dr. (Universiti Malaysia Perlis (UniMAP)Pusat Pengajian Kejuruteraan Mekatronik, 2012-02-27)
      In this paper, a cipher system based on Chaotic Neural Network (CNN) is used to encrypt and construct a stream cipher of compressed MPEG-2 video signal. The symmetric CNN cipher algorithm transforms the plaintext (compressed ...
    • Characterisation of fragrance major compouds in intact plant and in vitro cultures of Citrus grandis (Osbeck) flowers 

      Mohd Azlan, Mohd Ishak; Zarina, Zakaria; Abd Hamid, Khalid; Suhana, Zakaria (Universiti Teknologi MARA (UiTM), 2007-07-05)
      Citrus grandis or pomelo flowers possess a strong floral-, jasmine- and orange-like fragrance. In this study, various sampling techniques such as hydrodistillation, Soxhlet extraction and Solid Phase Micro extraction (SPME) ...