Now showing items 222-241 of 560

    • External temperature and pressure effects on thermodynamic properties and mechanical stability of yttrium chalcogenides YX(X=S, Se and Te) 

      Seddik, T.; Rabah, Khenata, Prof. Dr.; Abdelmadjid, Bouhemadou; Guechi, N.; Sayede, Adlane D.; Varshney, Dinesh; Yarub, Al-Douri, Assoc. Prof. Dr.; Ali Hussain, Reshak, Prof. Dr.; Bin-Omran, S. (Elsevier B.V., 2013)
      The full potential linearized augmented plane wave method within the framework of density functional theory is employed to investigate the structural, thermodynamic and elastic properties of the yttrium chalcogenides (YX: ...
    • Extraction and separation of Cu(II), Ni(II) and Zn(II) by sol-gel silica immobilized with Cyanex 272 

      Fazlul Bari; Noorzahan, Begum; Kamarudin, Hussin; Samsul Baharin, Jamaludin (Elsevier B.V., 2009-03)
      The extraction and separation of Cu(II), Ni(II) and Zn(II) from aqueous sulfate-acetate solution were carried out using solid phase sol-gel silica containing immobilized Cyanex 272 {bis(2,4,4-trimethylpentyl)phosphinic ...
    • Extraction mechanism of Gd3+ by BTMPPA 

      Md Fazlul, Bari; Bahruddin, Saad; Ismail, Abdur Rahman; Muhammad Idris, Salleh (Elsevier, 2006)
      The extraction behavior of Gd(III) from acidic nitrate-acetato medium by bis(2,4,4-trimethylpentyl)phosphinic acid (BTMPPA, H2A2) in toluene either alone or in combination with trioctylphospine oxide (TOPO, B) has been ...
    • Extraction of silica from palm ash using citric acid leaching treatment: Preliminary result 

      Faizul, Che Pa; Abdullah, Chik, Prof. Madya Dr.; Md Fazlul, Bari, Dr. (Trans Tech Publications, 2013)
      Large quantities of agricultural wastes such as palm ash and rice husk are found throughout Malaysia, have a possibility to be used as a usefully renewable source for production of energy and silica (SiO2). Extensive ...
    • Extraction of silica from palm ash using organic acid leaching treatment 

      Faizul, Che Pa; Abdullah, Chik, Prof. Madya Dr.; Md Fazlul, Bari, Dr.; Noorina Hidayu, Jamil (Trans Tech Publications, 2014)
      Agricultural wastes such as palm ash and rice husk have a possibility to be used as a usefully renewable source for production of energy and silica (SiO2). Extensive researches have been carried out to extract silica from ...
    • Extraction of silica from palm ashvia citric acid leaching treatment 

      Faizul, Che Pa; Abdullah, Chik, Prof. Madya Dr.; Md Fazlul, Bari, Dr. (AENSI Publisher All rights reserved, 2013-10)
      Agricultural wastes such as palm ash and rice husk have a possibility to be used as a usefully renewable source for production of energy and silica (SiO2). Extensive researches have been carried out to extract silica from ...
    • Fabrication and characterization of porous F-75 for potential application in tissue engineering 

      Shamsul Baharin,  Jamaludin, Prof. Dr.; Tan, Wei Leng; Nur Hidayah, Ahmad Zaidi; Zuraidawani, Che Daud; Mazlee, Mohd Noor, Dr. (Trans Tech Publications, 2013)
      Porous F-75 (Co-Cr-Mo) was produced by powder metallurgy technique. F-75 powder was mixed with space holder and compacted using different pressures (300 MPa, 350 MPa, 400 MPa, 450 MPa). The green samples were sintered at ...
    • Fabrication and mechanical properties of composite palm ash mixed with phenolic resins 

      Mohd Radzi, Ali; Shamsul Baharin, Jamaludin, Prof. Dr.; Nur Hidayah, Ahmad Zaidi; Che Mohd Ruzaidi, Ghazali, Prof. Madya (International Network for Scientific Information Publication (INSI), 2011-11)
      Brake pad is one of the important engineering components in automobile and it is fabricated by combination of various materials. Asbestos is one of the components in brake pad that is harmful to the human. In this ...
    • The fabrication of artificial marble from dolomite (Batu Reput) 

      Kamarudin, Hussin; Shamsul Baharin, Jamaludin; Che Mohd Ruzaidi, Ghazali; Mohd Sobri, Idris; Mohd Nazry, Salleh; Mohabattul Zaman, S NS Bukhari; Khairul Nizar, Ismail (The Mineral, Metals & Materials Society (TMS), 2006-01)
      Perlis is one of the major producers of "Batu Reput" in Malaysia and majority of the deposits contain of high-purity calcium and magnesium carbonate. The composition of Batu Reput is similar with the ordinary dolomite. ...
    • The factors affecting the swelling of W–bronze composite system at different sintering conditions 

      Kahtan S, Muhammed, Dr.; Azmi, Rahmat, Prof. (Scientific.Net, 2012-12)
      During sintering of Wbronze metal matrix composites, the difference in the interdiffusuion path, sintering atmosphere and alloying element might be the source of the swelling phenomenon. In this study, the factors lead to ...
    • Failure analysis on a ruptured petrochemical pipe 

      Mohd, Harun; Shaiful Rizam, Shamsudin; Azmi, Kamardin (Carl Hanser Verlag, 2010-03-16)
      The failure took place on a welded elbow pipe which exhibited a catastrophic transverse rupture. The failure was located on the welding HAZ region, parallel to the welding path. Branching cracks were detected at the ...
    • Feasibility of producing wood fibre-reinforced geopolymer composites (WFRGC) 

      Mohd Mustafa Al Bakri, Abdullah; Mohd Izzat, Ahmad; Muhammad Faheem, Mohd Tahir; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr.; Mohamed, Bnhussain, Prof. Dr.; Rafiza, Abdul Razak; Zarina, Yahya; Liyana, Jamaludin (Trans Tech Publications, 2013)
      Wood fibres have long been known as a fibre reinforcement for concrete. Due to its availability and low production cost, this natural fibre has been used in less developed country where conventional construction materials ...
    • Feasibility study on composition and mechanical properties of marine clay based geopolymer brick 

      Mohammad Tamizi, Selimin; Mohd Mustafa Al Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Che Mohd Ruzaidi, Ghazali, Prof. Madya; Liyana, Jamaludin; Aeslina, Abdul Kadir, Dr. (Trans Tech Publications, 2014)
      Geopolymer is an inorganic polymer performed in synthesis process of an aluminosilicate material which activated by alkaline activator solution. Marine clay, considered to be a waste substance which have an important ...
    • Ferroelectric and relaxor ferroelectric to paralectric transition based on Lead Magnesium Niobate (PMN) materials 

      Rozana Aina, Maulat Osman, Dr.; Mohd Sobri, Idris, Dr.; Zul Azhar, Zahid Jamal, Dato Prof. Dr.; Sanna, Taking, Dr.; Syarifah Norfaezah, Sabki, Dr.; Poopalan, Prabakaran, Dr.; Mohd Natashah, Norizan; Ili Salwani, Mohamad (Trans Tech Publications, 2013)
      First ferroelectric materials were found in Rochelle salt was in a perovskite structure. Lead Magnesium Niobate (PMN) is a perovskites with a formula of PbMg1/3Nb2/3O3 (PMN) and are typical representatives for most of all ...
    • Ferrous base materials performance in seawater and its failure analysis 

      Seoh, S.Y.; Mohammed Misbahul, Amin; W. B., Wan Nik; N. Kancono; M. S. Azhar; H. B. Senin (Kolej Universiti Sains dan Teknologi MalaysiaFakulti Sains dan Teknologi, 2004)
      The effect of seawater to the corrosion behavior of ferrous base steel AISI 1053 have been determined at room temperature. The corrosion products were characterized by using energy-dispersed X-ray spectroscopy (EDS), and ...
    • Fire resistance evaluation of lightweight geopolymer concrete system exposed to elevated temperatures of 100-800 °C 

      Omar A., Abdulkareem; Mohd Mustafa Al-Bakri, Abdullah; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Khairul Nizar, Ismail, Assoc. Prof. Dr. (Trans Tech Publications, 2014)
      This paper reports the fire resistance property of a lightweight aggregate geopolymer concrete (LWAGC) material synthesized by the alkali-activation of locally source fly ash (FA) after exposed to elevated temperatures ...
    • Fire resistance of biomass ash panels used for internal partitions in buildings 

      Roshazita, Che Amat; Norlia, Mohamad Ibrahim; Nur Liza, Rahim; Nur Saidatul Balqish, Ahmad Tajudin; Khairel Rafezi, Ahmad, Dr. (Elsevier B.V., 2013)
      This study was to develop fire-resistant panels with a high biomass ash ratio from the combustion of EFB at an industrial scale to be used in different fire-resistant internal partitions in buildings and industrial ...
    • First and second harmonic generation of the XAl 2Se 4 (X=Zn,Cd,Hg) defect chalcopyrite compounds 

      Ouahrani, Tarik; Rabah, Khenata, Prof. Dr.; Lasri, Boumediene; Ali Hussain, Reshak, Prof. Dr.; Bouhemadou, Abdelmadjid (Elsevier B.V., 2012-09)
      The chemical bonding of the ZnAl 2Se 4, CdAl 2Se 4 and HgAl 2Se 4 defect chalcopyrites has been studied in the framework of the quantum theory of atoms in molecules (AIM). The GW quasi-particle approximation is used to ...
    • First principle calculations of transition metal oxide, AgAlO2, as active photocatalyst: sustainable alternative sources of energy 

      Ali Hussain, Reshak, Prof. Dr. (Electrochemical Science Group (ESG), 2013)
      Electronic structure, optical properties and electronic charge density of transition metal oxide, AgAlO2 as active photocatalyst are calculated using full potential linearize augmented plane wave (FP-LAPW) method within ...
    • First principle study of electronic structure, chemical bonding and optical properties of 5-azido-1H-tetrazole 

      Saleem Ayaz, Khan; Ali Hussain, Reshak, Prof. Dr. (Electrochemical Science Group (ESG), 2013)
      First principle calculations were performed to investigate the electronic band structure, density of states, charge density and optical properties of 5-azido-1H-tetrazole. The calculated band structure shows that the ...