Browsing Journal Articles by Title

Now showing items 2280-2298 of 3156

    • Phosphate adsorption from synthetic aqueous solutions by waste mussel shell: kinetics and isotherms studies 

      Noorul Hudai, Abdullah; Mohamad Syahrul Syazwan, Yaacob; Nur Athirah Iliyani, Rani; Tuan Muhammad Fikri Haziq, Tuan Azman; Muhammad Nur Iqbal, Sumawan; Nor Baizura, Hamid; Nur Atikah, Abdul Salim; Masiri, Kaamin; Muhammad Azraie, Abdul Kadir; Noraziah, Ahmad; Zainab, Mat Lazim; Maria, Nuid; Amirreza, Talaiekhozani (Universiti Malaysia Perlis (UniMAP), 2021-08)
      The amount of phosphorus released to the wastewater from industry is alarming. One of the phosphorus effects to the environment is eutrophication that will cause algal blooms. Algal blooms will cover the water surface and ...

    • Photocatalytic degradation of phenol in a fluidized bed reactor utilizing immobilized TiO2 photocatalyst: Characterization and process studies 

      Zulfakar, Mokhtar; Hairul Nazirah, Abdul Halim; Akmal Hadi, Ma'Radzi; Abdul Rahman, Mohamed, Prof. Dr. (Asian Network for Scientific Information, 2011-05-28)
      Remediation of hazardous materials in water has emerged as a top priority over the years. Organic pollutants in water are one of the major constituents in water pollution. Phenol is one of the organic pollutants which are ...

    • Photocatalytic degradation of reactive black 5 by fish scale-loaded TiO 2 composites 

      Ho, Li Ngee; Ong, Soon-An; Yee, Lin See (Springer Science+Business Media B.V., 2012-09)
      Titania and TiO 2/fish scale composites at different mass ratios (90:10, 70:30, and 50:50) were prepared by sol-gel method for application as photocatalysts in this study. Fish scale, synthesized TiO 2, and TiO 2/fish scale ...

    • Photocatalytic mineralization of azo dye Acid Orange 7 under solar light irradiation 

      Ong, Soon An, Dr.; Ho, Li Ngee, Dr.; Wong, Yee Shian; Ohm, Mar Min; Lai, Li Sze; Khiew, Siee Kung; Viswanathan, Murali (Desalination Publications, 2012)
      The objective of this study was to investigate mineralization of hazardous water soluble azo dye Acid Orange 7 (AO7) under photocatalytic process. In this experiment, sunlight was used as the source for UV irradiation and ...

    • Photoelectrical properties and the electronic structure of Tl 1-xIn1-xSnxSe2 (x = 0, 0.1, 0.2, 0.25) single crystalline alloys 

      Davydyuk, G. E.; Khyzhun, Oleg Yu; Ali Hussain, Reshak, Prof. Dr.; Kamarudin, Hussin, Brig. Jen. Dato' Prof. Dr.; Myronchuk, G.L.; Danylchuk, S.P.; Fedorchuk, Anatolii O.; Piskach, L.V.; Mozolyuk, M.Yu.; Parasyuk, O.V. (Royal Society of Chemistry, 2013-05-14)
      Photoelectrical properties of Tl1-xIn1-xSn xSe2 single crystalline alloys (x = 0, 0.1, 0.2, 0.25) grown using the Bridgman-Stockbarger method were studied. The temperature dependence of electrical and photoconductivity for ...

    • Photoelectrocatalytic activity of Zn-loaded RGO-TiO₂ composite coatings on mild steel substrate via DC electrochemical co-deposition 

      Rakibul, Hasan; Chin Wei, Lai; Sharifah Bee, Abd Hamid; Wan Jeffrey, Basirun; Zainovia, Lockman; Md. Fazlul, Bari, Assoc. Prof. Dr. (EDP Sciences, 2014-02)
      The photoelectrocatalytic activity of Zn-loaded reduced graphene oxide-titania (RGO-TiO₂) composite coatings on mild steel substrate was investigated in detail. Zn-loaded RGO-TiO₂ composite films were prepared by using DC ...

    • Photoinduced absorption and nonlinear optics of triglycine selenate single crystals under uniaxial pressure 

      Ozga, K.; Ali Hussein, Reshak, Prof. Dr.; Berdowski, J.; Tylczyński, Z.; Wojciechowski, A.; Ślȩzak, A.; Kityk, I. V. (Elsevier B.V., 2011-06-15)
      We studied an influence of uniaxial pressure on the triglycine selenate single crystals during simultaneous illumination by the continuous wave 532 laser at power about 300 mW. Simultaneously we have studied two-photon ...

    • Photoinduced effects in l-alanine crystals 

      Wojciechowski, A.; Ozga, K.; Ali H., Reshak Al-Jaary; Miedzinski, R.; Berdowski, J.; Tylczyński, Z. (Elsevier B.V., 2010-09-30)
      An influence of the cw laser treatment at 660 nm (red), 532 nm (green) and 405 nm (blue) wavelengths on the absorption in l-alanine crystals was studied. We have established that increasing time of illumination for red ...

    • Photoinduced effects in TiO2 nanocrystalline films with different morphology 

      Djaoued, Yahia; Ozga, K.; Wojciechowski, A.; Ali H. Reshak, Al-Jaary; Robichaud, J.; Kityk, I. V. (Elsevier B. V., 2010-10-22)
      The complex studies of photoinduced absorption, second harmonic generation and third harmonic generation were performed for TiO2 films of different morphology. In particular we have studied the influence of a bicolor laser ...

    • Photoinduced piezooptical changes caused by microsecond CO2 Infrared lasers in lead-germanate rare earth tridoped glasses 

      Pires Kassab, Luciana R.; Camilo, Mauricio Eiji; Ali Hussain, Reshak, Prof. Dr.; Plucinski, K. J. (Elsevier B.V., 2011-05-31)
      We have observed substantial influence of the illumination by 3.5 μs CO2 laser on the piezooptical coefficients of 59 PbO - 41 GeO 2 (in wt.%) glasses prepared with Tm2O3, Er2O3, Yb2O3 using the following concentrations ...

    • Photothermal poling of glass complexes Ag2S–Ga2S3–P2S5 

      Parasyuk, Oleg V.; Ali Hussain, Reshak, Prof. Dr.; Klymuk, T. L.; I.i., Mazurets; O.v., Zamuruyeva; G.l., Myronchuk; Owsik, Jan (Elsevier Ltd., 2013-10)
      The studies of the dc-electric field induced second harmonic generation (SHG) for fundamental wavelength of the Ag2S–Ga2S3–P2S5 using nanosecond Er:glass laser at wavelength 1540 nm and elevated temperatures (thermal poling) ...

    • Photovoltaic characteristics of hybrid MEH-PPV-nanoparticles compound 

      Ali Hussain, Reshak, Prof. Dr.; Mukhzeer, Mohamad Shahimin, Dr.; Nurjuliana, Juhari; Vairavan, R. (Elsevier B.V., 2013)
      Organic solar cell research has vastly developed in recent years. These organic solar cells however are still limited to low power conversion efficiencies. This has led to the generation of photovoltaic cells based on ...

    • Photovoltaic powered uninterruptible power supply using microcontroller PIC16F628-I/P 

      Muhamad Irwanto, Misrun; Mohd Fareq, Abd. Malek, Dr.; Sasongko, P. Hadi; Gomesh Nair, Shasidharan; Mohd Irwan, Yusoff (Trans Tech Publications, 2014)
      Uninterruptible power supply (UPS) sits between a power supply such as wall outlet and devices to prevent undesired feature that can occur within the power source such as outages, sags, surges and bad harmonics from the ...

    • Physical activity behaviour among women with gestational diabetes mellitus and early Post-partum 

      Nur Hani Syazwani; Lian, Denise Koh Choon; Shuhaila, Ahmad; Khadijah, Shamsuddin (Kementerian Pendidikan Tinggi (KPT), Malaysia, 2020)
      Women with previous history of gestational diabetes mellitus (GDM) have been found to have higher risk of developing type 2 diabetes mellitus (T2DM). Participation in adequate physical activity during and after pregnancy ...

    • Physical and morphological properties of styrene butadiene rubber/recycled chloroprene rubber (SBR/CRr) blends 

      Ahmad Azrem, Azmi; Nik Noriman, Zulkepli, Dr.; Razif, Mohammad Nordin, Dr.; Sam, Sung Ting, Dr.; Saiful Nizwan, Mhd Salleh (Trans Tech Publications, 2013)
      The effects of physical and morphological properties of styrene butadiene rubber/virgin chloroprene rubber blends (SBR/CRv) and styrene butadiene rubber/recycled chloroprene rubber blends (SBR/CRr) were investigated. Both ...

    • Physical and morphological properties of styrene butadiene rubber/recycled chloroprene rubber (SBR/CRr) blends - The effects of TOR as a compatibilizer 

      Ahmad Azrem, Azmi; Nik Noriman, Zulkepli, Dr.; Razif, Mohammad Nordin, Dr.; Sam, Sung Ting, Dr. (Trans Tech Publications, 2014)
      The effects of physical and morphological properties of TOR as a compatibilizer of styrene butadiene rubber/recycled chloroprene rubber (SBR/CRr) blends were investigated. Blends. Both uncompatibilised and compatibilised ...

    • Physical characteristic of Zn doped soft ferrites MxZn₁-x Fe₂O₄ 

      Abdullah, Chik; Nazli, Ahmad Aini; Haider F., Abdul Amir, Assoc. Prof. Dr. (Trans Tech Publications, 2014)
      The chemical composition and preparation methods for ferrite were studied in order to control the quality of ferrite such as higher initial permeability and low energy losses. Nine samples of soft ferrite MxZn₁-x Fe₂O₄ ...

    • Physical characterization of BST with different (x') ratios 

      Nurhafizah, Ramli; Zaliman, Sauli, Dr.; Retnasamy, Vithyacharan; They, Yee Chin; Khairul Anwar, Mohamad Khazali; Nooraihan, Abdullah (Trans Tech Publications, 2014)
      Nowdays Barium strontium titanate (BST) can be applied into many fields of engineering. Its properties attracted more researchers to research and apply it into many fields of study. In this work, sol-gel method of preparing ...

    • Physical properties of porous In₀.₀₈Ga₀.₉₂N 

      H. Abud, Saleh; Hassan, Z.; Yam, F. K. (Universiti Malaysia Perlis, 2015)
      In this study, nanoporous structures on In₀.₀₈Ga₀.₉₂N/AlN/Si thin films with a thickness of 1 μm were synthesized by photoelectrochemical etching technique at various etching durations. The structural and optical properties ...