Now showing items 2161-2178 of 3156

    • Oxidation behaviour of IN-738 LC Superalloys in the presence of Ionic Salts at 1173 K 

      Mohammed Misbahul, Amin (Portuguese Electrochemical Society, 2003)
      Oxidation of the alloy having nominal composition Ni-16Cr-8.5Co(wt.%) was studied in the presence of KCl and K2CO3 at 1173 K in air. Chemical composition of oxide scales and scale morphologies were determined by means ...
    • Oxidation behaviour of low carbon steel in natural water 

      Mohammed Misbahul, Amin; W. B., Wan Nik; Kamaruzzaman, Yunus (Oriental Science Publishing CoFaculty of Science and Technology, University College of Science and Technology Malaysia, 2002)
      Natural water pollution has been identified as a potential danger to metallic materials used under service conditions. Sea water and lake water foulants have adequate corrosive environment due to chemical ingredients ...
    • Oxidation behaviour of mild steel in molten alkali metal salts deposits 

      Mohammed Misbahul, Amin; S., Hamdan; K., Ku Bulat (ASEAN Committee on Science & TechnologyDepartment Of Chemistry, Faculty Of Science And Technology, University College Of Science And Technology Malaysia, 2003-06)
      The oxidation behaviour of commercial mild steel has been investigated in presence of alkali metal salts viz. NaCl, Na2CC>3, KC1, K2CO3 in the temperature at 750°C for the period of 36 h in atmospheric condition. The low ...
    • Oxidation behaviour of Sodium and Potassium choride coated Fe-C alloy at 400-700°C 

      Mohammed Misbahul, Amin; Kamaruzzaman, Yunus; Mohd Nordin, Samsudin (Oriental Science Publishing CompanyFaculty of Science and Technology, University College of Science and Technology Malaysia, 2003)
      The studies have been conducted on the oxidation behaviour of Fe-C alloy at 400 to 700 °C in presence of alkali metal chloride salts such as sodium chloride and potassium chloride. The chloride compounds decompose at high ...
    • 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 ...
    • Paints based on waste expanded polystyrene 

      Myint, S.; Muhammad Salihin, Zakaria; Ahmed, K. R. (Smithers Rapra Technology, 2010)
      A formula for making paint was developed using waste expanded polystyrene foam (EPS) as a binder. This method replaces the alkyd resin in most commercial paint, which is derived from the byproducts of refi ning crude oil. ...
    • Palm oil based wax material for prototype application 

      Rajamony, Bhuvenesh (Kolej Universiti Kejuruteraan Utara Malaysia, 2006)
      At the moment, different ferrous and non-ferrous materials, industrial blue wax used for prototype models, training purposes by different industries, educational and training organizations. However, the price of such ...
    • Palmprint recognition using principle component analysis implemented on TMS320C6713 DSP processor 

      Thulfiqar Hussein, Mandeel; Muhammad Imran, Ahmad; Mohd Nazrin, Md Isa; Ruzelita, Ngadiran (Universiti Teknikal Malaysia Melaka, 2016)
      This paper presents a human identification system using eigen-palm images. The proposed method consists of three main stages. The preprocessing stage computes the palmprint images to capture important information and produce ...
    • Paraffinic mineral oil lubrication for cold forward extrusion: Effect of lubricant quantity and friction 

      Mohd Hafis, Sulaiman; Mohd Ridzuan, Mohd Jamir; Nur Farahana, Ramli; Syahrullail, Samion (Elsevier Ltd., 2013)
      In this paper, Finite Element (FE) and experimental analyses have been developed on the deformation of aluminium billet over a tool. Effect of friction resulted from the use of additive-free ISO460-compliant paraffinic ...
    • Parameter optimization of fused deposition modeling process for 3D printed prosthetic socket using PCR-TOPSIS method 

      Lim, G. D.; M. J., Abd Latif; M. R., Alkahari; M. S., Yob; M., Musa; M. N., Abdul Rahman; P., Rajaandra; Nguyen, H. Q. (Universiti Malaysia Perlis (UniMAP), 2022-03)
      Prosthetic socket plays the most important role in lower limb prosthesis. The conventional fabrication process of prosthetic socket is labor intensive and time-consuming. The application of additive manufacturing technology ...
    • Parametric analysis of sound transmission loss in a rectangular duct attached with resonator silencer 

      Muhammad, Mohamed Salleh; Mohd Hafiz, Ghazali; Salihatun, Md Salleh; Bukhari, Manshoor; Amir, Khalid; Chan, Shiau Wei; Izzuddin, Zaman (Universiti Malaysia Perlis (UniMAP), 2022-03)
      Noise is an existing problem that exist in the environments produced from vibrating sources. In general, the common solutions for noise control are: (1) redesigning the system the system for instance increasing wall ...
    • Parametric performance simulation of a proximity-coupled fed microstrip dipole array 

      Soh, Ping Jack; Amir Razif Arief, Jamil Abdullah; Aiza, M. M.; Azremi, Abdullah Al Hadi; Abdul Aziz, M.Z A; Rahim, M.K A (Institute of Electrical and Electronics Engineering (IEEE), 2008-05-19)
      This work reports on the performance simulation of two element units of microstrip dipole array antennas for WLAN application. Simulation is done using two different simulation techniques, the circuit model (CM) derived ...
    • Parametric studies of the pyramidal microwave absorber using rice husk 

      Nornikman, Hassan; Fareq, Malek, Dr.; Soh, Ping Jack; Azremi, Abdullah Al Hadi; Wee, Fwen Hoon; Hasnain, A. (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Agriculture waste has potential to be used as an alternative material for the microwave absorber used in the anechoic chamber. Compared to the current materials used, such as polystyrene and polyurethane, agricultural waste ...
    • Parametric study and thickness evaluation of photoresist development for the formation of microgap electrodes using surface nanoprofiler 

      Qazi Muhammad, Humayun; Uda, Hashim, Prof. Dr. (Scientific.Net, 2012-12)
      A compact nanolaboratory on single chip is one of the challenging tasks for future reproductively of sensitive and selective lab-on-chip. This paper reports a simple and controllable technique for patterning microgap ...
    • Particle size – dependent on the static and dynamic compression properties of polypropylene/silica composites 

      Mohd Firdaus, Omar; Hazizan, Md Akil; Zainal Arifin, Ahmad (Elsevier, 2013-03)
      The effect of particle size is widely known as an essential factor that influences the mechanical properties of particulate filled polymer composites. However, there is a limited number of works available, on the particular ...
    • Pathological infant cry analysis using wavelet packet transform and probabilistic neural network 

      Muthusamy, Hariharan; Sazali, Yaacob, Prof. Dr.; Saidatul Ardeenaawatie, Awang (Elsevier Ltd., 2011-11)
      A new approach has been presented based on the wavelet packet transform and probabilistic neural network (PNN) for the analysis of infant cry signals. Feature extraction and development of classification algorithms play ...
    • Patients tremble analysis under different camera placement in critical care 

      Muhammad Naufal, Mansor; Sazali, Yaacob, Prof. Dr.; R. Nagarajan, Prof. Dr.; Muthusamy, Hariharan, Dr. (Science Academy, 2011-03)
      This paper presents an integrated system for detecting facial changes of patient in a hospital in Intensive Care Unit (ICU). In this research we have considered the facial changes most widely represented by eyes and mouth ...
    • PCB inspection for missing or misaligned components using background subtraction 

      Sundaraj, Kenneth (World Scientific and Engineering Academy and Society (WSEAS) Press, 2009)
      Automated visual inspection (AVI) is becoming an integral part of modern surface mount technology (SMT) assembly process. This high technology assembly, produces printed circuit boards (PCB) with tiny and delicate electronic ...