Browsing Researchers by Title

Now showing items 602-621 of 3514

    • Damage detection in steel plates using artificial neural networks 

      Paulraj, Murugesa Pandiyan, Prof. Madya; Mohd Shukri, Abdul Majid; Sazali, Yaacob, Prof. Dr.; Mohd Hafiz, Fazalul Rahiman; Krishnan, R. P. (Institute of Electrical and Electronics Engineering (IEEE), 2009-06-04)
      In this paper, a simple method for crack identification in steel plates based on frame energy based Discrete Cosine Transformation (DCT) is presented. A simple experimental procedure is also proposed to measure the vibration ...

    • Damage detection in steel plates using discrete cosine transformation techniques and artificial neural network 

      Paulraj, M.P.; Mohd Shukry, Abdul Majid; Sazali, Yaacob; Mohd Hafiz, Fazalul Rahiman; R Pranesh, Krishnan (Universiti Malaysia Perlis, 2009-10-11)
      In this paper, a simple method for crack identification in steel plates based on the Frame Energy based Discrete Cosine Transformation [DCT] moments is presented. A simple experimental procedure is also proposed to measure ...

    • Damping improvement of power system oscillations by using optimal coordinated design between PSS and SVC-based stabilizer 

      Ali Nasser, Hussain; Mohd Fareq, Abd. Malek, Dr.; Mohd Abdur Rashid, Dr.; Latifah, Mohamed; Nuriziani, Hussin (Trans Tech Publications, 2013)
      The large expansion of electrical power systems usually results in problem of low frequency oscillations. Therefore, the conventional Power System Stabilizers (PSSs) used to solve this problem cannot provide an adequate ...

    • Damping properties of A357 alloys and A357-stainless steel composites fabricated under different conditions 

      Mazlee, Mohd Noor (Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2010)
      The lab scale gravity casting technique was used to produce alloy specimens of nonsuperheated A357 alloy, superheated A357 alloy and composite specimens of superheated A357-0.5 and 1.0 wt.% stainless steel composites. ...

    • Data mining on climatic factors for Harumanis mango yield prediction 

      Rohani S., Mohamed Farook; Abdul Halis, Abdul Aziz; Azmi, Harun; Zulkifli, Husin; Ali Yeon, Md Shakaff, Prof. Dr. (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Yield Prediction is an essential task to be achieved in order to implement effective forward marketing. Forward marketing is a contract that will be signed between supplier and client based on the amount of delivery and ...

    • Decanter cake as a feedstock for biodiesel production: A first report 

      Maniam, Gaanty Pragas; Noor Hindryawati; Irma, Nurfitri; Rajan, Jose, Prof. Dr.; Mohd Hasbi, Ab. Rahim, Dr.; Farrah Aini, Dahalan, Dr.; Mashitah, Mohd Yusoff (Elsevier Ltd., 2013)
      Decanter cake (DC), with an oil content of 11.5 ± 0.18 wt.%, was subjected to ultrasound-aided transesterification using boiler ash as a base catalyst, petroleum ether and hexane as co-solvents. Optimization work revealed ...

    • Decision making process based on local machine vision in an multi-agent autonomous system with application in Robot Soccer 

      Nadarajah, Sivadev; Sundaraj, Kenneth, Prof. Dr. (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      This paper will outline the need to convert the existing vision system used in Robot Soccer which is the global vision variant to the local vision and describe the processes need in order to determine the relevant information ...

    • Decolorization and degradation of reactive red 120 azo dye by oxidation processes 

      Che Zulzikrami, Azner Abidin; Fahmi, Muhammad Ridwan, Dr.; Ong, Soon An; Nazerry Rosmady, Rahmat; Siti Nurfatin Nadhirah, Mohd Makhtar (Universiti Malaysia Perlis (UniMAP), 2012-06-18)
      In this study, the treatment of azo dye, Reactive Red 120 (RR120) by oxidation using (ozone) O3 and ozone/hydrogen peroxide (O3/H2O2) treatments were evaluated. O3 carried out using a glass reactor, generated from an ...

    • Decolorization and mineralization of Batik wastewater through solar photocatalytic process 

      Wan Fadhilah, Khalik; Ho, Li Ngee; Ong, Soon-An; Wong, Yee Shian; Nik Athirah, Yusoff; Muhammad Ridwan, Fahmi (Penerbit Universiti Kebangsaan Malaysia, 2015-04-01)
      In this study, the photocatalytic degradation of batik wastewater in the presence of zinc oxide (ZnO) as photocatalyst was investigated. The effect of various operating parameters, such as pH of batik wastewater, catalyst ...

    • Decolorization of azo dye (Orange II) in a sequential UASB-SBR system 

      Ong, Soon An; Eiichi, Toorisaka; Makoto, Hirata; Tadashi, Hano (Elsevier B.V., 2005-04)
      The combination of up-flow anaerobic sludge blanket (UASB) and sequencing batch reactor was chosen as an anaerobic and aerobic system, respectively, in the treatment of Orange II-containing wastewater. The Orange II and ...

    • Decolorization of azo dye by ozonation 

      Che Zulzikrami, Azner Abidin; Fahmi, Muhammad Ridwan; Nazerry Rosmady, Rahmat; Suhaida, Mohamed Arshad (Universiti Malaysia Perlis (UniMAP)Centre for Graduate Studies, 2010-10-16)
      The decolourization and Chemical Oxygen Demand (COD) removal of azo dye solution in different ozonation time and biodegradation processes were evaluated to apply for reactive azo dye. Reactive Red 120 (RR120), Remazol ...

    • Decolorization of methyl orange using upflow anaerobic sludge blanket (UASB) reactor-An investigation of co-substrate and dye degradation kinetics 

      Viswanathan, Murali; Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian (Taylor & Francis, 2013)
      Decolorization of a synthetic wastewater containing Methyl Orange (MO) azo dye was performed in an upflow anaerobic sludge blanket (UASB) reactor. Color removal efficiencies approaching 94, 90 and 96% were obtained with ...

    • Decolorization of Orange II using an anaerobic sequencing batch reactor with and without co-substrates 

      Ong, Soon An, Dr.; Eiichi, Toorisaka; Makoto, Hirata; Tadashi, Hano (The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, 2012-02)
      We investigated the decolorization of Orange II with and without the addition of co-substrates and nutrients under an anaerobic sequencing batch reactor (ASBR). The increase in COD concentrations from 900 to 1750 to 3730 ...

    • Decolourization of an azo dye in aqueous solution by ozonation in a semi-batch bubble column reactor 

      Che Zulzikrami Azner, Abidin; Muhammad Ridwan, Fahmi; Ong, Soon-An; Siti Nurfatin Nadhirah, Mohd Makhtar; Nazzery Rosmady, Rahmat (Science Society of Thailand under Royal Patronage, 2015-02)
      The oxidative degradation of the azo dye Reactive Red 120 by ozonation was investigated. The decolourization was carried out by bubbling ozone at the bottom of a bubble column reactor containing the dye solution. The colour, ...

    • Decor Concrete Polymer (DCP) 

      Mohd. Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Khairul Nizar, Ismail, Dr.; Norazian, Mohamed Noor; Alida, Abdullah (Kementerian Pengajian Tinggi Malaysia (KPTM), 2007-08-10)
      Decor Concrete Polymer (DCP) was fabricated from mixing the composition of cement and polystrene wastes. The polystyrene wastes will act as coarse of fine aggregates in the mixture. This concrete can be used as lightweight ...

    • Decor Polymer Concrete (DPC) 

      Mohd Mustafa, Al Bakri Abdullah; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Prof. Dr.; Norazian, Mohamed Noor; Mohammad Tamizi, Selimin; Norzaidi, Zainol; Rozaimah, Ramly (School of Materials Engineering, 2008-01-09)
      Decorative application. Non-structural. Raw materials from polymer waste such as HOPE, PS, PET and others.

    • Decorative Bagasse Fiber Board 

      Mohd Mustafa, Al Bakri Abdullah; Che Mohd Ruzaidi, Ghazali, Assoc. Prof.; Kamarudin, Hussin, Prof. Dr.; Norazian, Mohamed Noor; Norzaidi, Zainol; Liyana, Jamaludin (School of Materials Engineering, 2008-01-09)
      Use as a colourful panel board or partition panel. Cost saving of raw material and used to replace conventional fiber board. Raw material from waste which is bagasse.

    • Degradability in a natural compost medium of (linear low-density polyethylene)/(soya powder) blends compatibilized with epoxidized natural rubber 

      Sam, Sung Ting, Dr.; Hanafi, Ismail, Prof. Dr. (John Wiley & Sons, Inc./Society of Plastics Engineers (SPE), 2014-03)
      The objective of this study was to investigate the degradability of linear low-density polyethylene (LLDPE)/(soya powder) blends. The blends were compatibilized by epoxidized natural rubber with 50 mol% of epoxidation. ...

    • Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent 

      Lau, Yen Yie; Wong, Yee Shian; Teng, Tjoon Tow; Norhashimah, Morad; Mohd Rafatullah; Ong, Soon-An (Royal Society of Chemistry, 2015)
      Cationic dye (methylene blue) and anionic dye (methyl orange) degradation in the coagulation process was demonstrated. The key material was a natural coagulant-laterite soil dominated by a silica component, while aluminum-ferric ...

    • Degradation of epoxidized natural rubber compatibilized linear low density polyethylene/soya powder blends: The effect of natural weathering 

      Sam, Sung Ting, Dr.; Hanafi, Ismail; Abdul Khalil, H. P. Shawkataly, Prof. Dr. (Walter de Gruyter GmbH, 2013-10)
      In the present study, linear low density polyethylene (LLDPE)/soya powder blends were compatibilized with epoxidized natural rubber (ENR 50) and exposed to natural weathering. The exposure period for the blends was 1 year. ...