Now showing items 292-311 of 560

    • Investigating the possibility of utilization of kaolin and the potential of metakaolin to produce green cement for construction purposes-A review 

      Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Liew, Y. M.; Mohd Mustafa Al Bakri, Abdullah; Luqman, Musa, Dr.; Khairul Nizar, I.; Heah, Cheng Yong (INSInet Publication, 2011-09)
      Geopolymers are inorganic alkali aluminosilicate gels, formed from reaction of mineral clays or aluminosilicate-bearing industrial wastes, and treated with alkali silicate solution at 40-80°C. Geopolymers have been studied ...
    • Investigation of dielectric characteristics and tunability of Ba0.8Sr0.2TiO3 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr. (AENSI Publisher All rights reserved, 2013-10)
      It's been years ferroelectric materials has become a popular fields for research. Many methods were used for the barium strontium titanate (BST) preparation like sol-gel method, radio frequency (RF) magnetron sputtering, ...
    • Investigation performance of heat exchanger on thermoacoustic heat engine for harvesting a waste heat 

      Irfan, Abd Rahim; Mohd Saidin, Wahab; Mohd. Zubir, Yahaya; Mohd. Zarhamdy, Md. Zain (Trans Tech Publications, 2014)
      A green technology of acoustic of fluid-structure interactions become an emerging technology today, a call thermoacoustic heat engine. Thermoacoutics heat engine systems convert the energy on a harvesting from a waste heat ...
    • 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 ...