Now showing items 296-315 of 561

    • Kadar pengenapan sedimen hutan paya bakau di Sungai Miang, Pahang Malaysia: kepekatan menegak 230Th melawan kaedah penanda buatan mendatar 

      Kamaruzzaman, Yunus; Jamil, Tajam; Hasrizal, Shaari; Noor Azhar, Mohd. Shazili; Mohammed Misbahul, Amin (The Malaysian Analytical Sciences Society (ANALIS), 2008)
      Mangroves have enormous ecological value and one of their important role is to act as an efficient sediment trappers which dominantly supplied by rivers and the atmosphere to the oceans. Applying the 230Thexcess method, ...
    • Kaolin-based geopolymers with various NaOH concentrations 

      Heah, Cheng Yong; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Mohd Mustafa Al-Bakri, Abdullah; Mohamed, Bnhussain, Prof. Dr.; Luqman, Musa, Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liew, Yun Ming (Springer Verlag, 2013-03)
      Kaolin geopolymers were produced by the alkali-activation of kaolin with an activator solution (a mixture of NaOH and sodium silicate solutions). The NaOH solution was prepared at a concentration of 6-14 mol/L and was mixed ...
    • Kenaf bast-unsaturated polyester composite: The effect of different alkaline treatment condition on tensile properties 

      Rozyanty, Abdul Rahman; Luqman, Musa, Dr.; Nur Firdaus, M. Y. (Trans Tech Publications, 2014)
      The biocomposites were prepared by using kenaf bast fiber mat as reinforcing materials at different percentage. The kenaf bast fiber was treated with alkaline at different sodium hydroxide (NaOH) percentage. Composites ...
    • Kinetic and thermodynamic studies on adsorption of copper ions onto pomelo peel (citrus grandis) 

      Mst. Noorzahan, Begum, Dr.; Aimi Noorliyana, Hashim; Md Fazlul, Bari, Dr.; Norzilah, Abdul Halif, Dr.; Nur Hidayah, Ahmad Zaidi; Khairel Rafezi, Ahmad, Dr. (Trans Tech Publications, 2013)
      The ability of pomelo peel (PP) as natural adsorbent to remove Cu (II) ions from aqueous solution was investigated. The influence of solution pH, contact time and temperature were evaluated. Cu (II) removal increased as ...
    • The KNO3- and K2Co3-Induced hot corrosion behaviour of M-21 alloy at 900°C 

      Mohammed Misbahul, Amin; Mohammed Bello, Ahmad (Carl Hanser Verlag, 1995)
    • KUKUM Artificial Marble 

      Kamarudin, Hussin, Brig. Gen. Dato' Prof. Dr.; Shamsul Baharin, Jamaludin, Prof.; Che Mohd. Ruzaidi, Ghazali, Prof. Madya; Khairul Nizar, Ismail, Dr.; Mohd. Sobri, Idris; Mohd. Nazry, Salleh (Malaysian Invention and Design Society (MINDS), 2005-05-19)
      KUKUM Artifcial Marble based on polymer resin (thermoset or thermoplastic) and dolomite to create an artificial material that outperform and look like natural marble or tile physically, thermally and mechanically.
    • Landfill odour detection using Quartz Crystal Microbalance (QCM) 

      Saiful Azhar, Saad; Mohd Noor, Ahmad; Siti Nordiyana, M.S. (Kolej Universiti Kejuruteraan Utara MalaysiaSchool of Materials Engineering, 2005)
      Odour is considered as the main environmental pollution agent in Malaysia. Eventhough the standard permitted level has not been set for Malaysia as for air and water, but still the odour has been connsidered as one of the ...
    • Laser operated elasto-optical features of La 2CaB 10O 19:Pr 3+ polymer nanocomposites 

      Majchrowski, Andrzej A; Lakshminarayana, Gandham; Ali Hussain, Reshak, Prof. Dr.; Michalski, Edward A.; Olifierczuk, Marek; Oźga, Katarzyna; Jaroszewicz, Leszek R.; Lukasiewicz, Tadeusz; Szota, Michał; Nabialek, Marcin (Elsevier B.V., 2012-10)
      We have discovered a principal role of the polymer matrices on the spectral dependences of piezooptical coefficients of La 2CaB 10O 19:Pr 3+ (LCBO:Pr) nanocomposites formed by polymethylmethacrylate (PMMA) and polycarbonate ...
    • Laser stimulated optical features of gold nanoparticles attached on ITO substrate. 

      Aziz, M.A.; Oyama, Munetaka; Ali Hussain, Reshak, Prof. Dr.; Gondek, Ewa; Armatys, Paweł; Shebl, Ahmed M.; Kityk, Ivan V.; Wojciechowski, Artur; Otowski, Wojciech (Elsevier B.V., 2012)
      We have performed complex studies of regular sized gold nanoparticles (AuNPs), which were commercially available and attached on the surfaces of indium tin oxide (ITO) substrates with a cross-linker molecule, 3-aminoprop ...
    • 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. ...
    • 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 ...
    • 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 ...
    • Low and high temperature isothermal aging effect on morphology and diffusion kinetics of intermetallic compound (IMC) for Sn-Cu-Si ₃N₄ composite solder 

      Norainiza, Saud; Najib Saedi, Ibrahim; Mohd Arif Anuar, Mohd Salleh (Trans Tech Publications, 2014)
      The effect of excessive intermetallic growth to the reliability of solder joints become major problem in electronic devices industry. In this study, we used Sn-Cu-Si₃N₄ composite solder to observe the intermetallic compound ...
    • Low density fibrous material surface light reflectance analysis 

      Ong, Tee Say; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      The light based surface finishing of most product measurement is an important feature in the industries. In this paper, a lab fabricated tester for investigation on the quality of low density paper which was represent by ...
    • Machining performance of reinforced alumina insert in end milling of AISI 1018 steel 

      Mohd Nor Hakim, Hassan; Mohammad Ikhwan Zaini, Ridzwan; Zainal Arifin, Ahmad, Prof.; Mohd Mustafa Al Bakri, Abdullah; Azman, Ahmad Bakir; Mazlan, Mohamed (Trans Tech Publications, 2013-09)
      The main goal of this work is to investigate the performance of zirconia toughened alumina (ZTA) and ZTA reinforced with magnesium oxide (MgO) used as cutting insert in end milling of AISI 1018 steel with hardness of 27 ...
    • The magnetic and oxidation behavior of bare and silica-coated iron oxide nanoparticles synthesized by reverse co-precipitation of ferrous ion (Fe²⁺) in ambient atmosphere 

      Norsuria, Mahmed; Heczko, Oleg; Lancok, A.; Hannula, Simo Pekka, Prof. (Elsevier/NORTH-HOLLAND, 2014-03)
      The synthesis of iron oxide nanoparticles, i.e., magnetite was attempted by using only ferrous ion (Fe²⁺) as a magnetite precursor, under an ambient atmosphere. The room temperature reverse co-precipitation method was used, ...
    • Malaysian Foxtail grass - A potential source of natural/agro fibre for polymer composite panel 

      Che Mohd Ruzaidi, Ghazali, Prof. Madya; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Norazian, Mohamed Noor; Rafiza, Abdul Razak; Zarina, Yahya (Trans Tech Publications, 2013)
      Foxtail grass, also known as 'rumput bulu' by the local people, is one of the fast growing grasses abundantly available all over Malaysia. A full grown Foxtail grass attains a height of about 0.5 - 1.5 meters. The fibres ...
    • Manufacturing process in the year 2000 a.d. - a scientist's view 

      Mohammed Misbahul, Amin (Academy Science Publishers/African Academy of Sciences (AAS), 1995)