Browsing IEM Journal by Title

Now showing items 205-224 of 310

    • Online gaming addiction factors among tar uc students in KL 

      Zeng, Yaw Foong; Ming, Cheok Kah; Zhun, Ng Kai; Xiang, Teo Jian; Tin, Dr Ting Tin; Mooi, Dr Lim Siew (The Institution of Engineers, Malaysia (IEM), 2022)
      Online gaming is a popular digital entertainment that people worldwide, including university students, are well-received. Consequently, addiction to online gaming is worrying, and this issue has received significant ...

    • Optimisation of hydrolysis conditions for ethanol production from sorghum starch 

      Najiah, Nadir; Maizirwan, Mel, Dr.; Mohamed Ismail, Abdul Karim, Prof. Dr.; Rosli, Mohd Yunus, Prof. Dr. (The Institution of Engineers, Malaysia, 2010-09)
      The conversion of starch to sugar can be achieved by hydrolysis process. The two-step enzymatic hydrolysis of sweet sorghum was performed by commercially available α-amylase and glucoamylase. An optimisation study was ...

    • Parameter estimation of tapioca starch hydrolysis process: Application of least squares and genetic algorithm 

      Roslina, Rashid; Hishamuddin, Jamaluddin; Nor Aishah, Saidina Amin (The Institution of Engineers, Malaysia, 2005-12)
      The performance of genetic algorithm (GA) in nonlinear kinetic parameter estimation of tapioca starch hydrolysis was studied and compared with the Gauss-Newton method. Both methods were employed for determining the model ...

    • The past, present & future of concrete construction 

      Tam, C.T., Ir. Er. Dr (The Institution of Engineers, Malaysia (IEM), 2021)
      Concrete has always been the major construction material since the historical past, at present and will continue into the future. This presentation covers the period from the first UK design code (CP 114, 1957) in UK to ...

    • Pattern recognition of fractal profiles in coagulation-flocculation process of wastewater via neural network 

      Siti Rozaimah, Sheikh Abdullah; Pasilatun Adawiyah, Ismail; Mohd. Marzuki, Mustafa; Rakmi, Abd. Rahman (The Institution of Engineers, Malaysia, 2007-12)
      The optimum chemical dosage is presumably the goal of every chemical water or wastewater treatment plant as in a coagulation-flocculation process. However, due to difficulties in on line measurement and complexity of ...

    • Pelaksanaan kajian gerak dan masa dalam industri pembuatan di Malaysia 

      Mardina, Abdullah, Dr.; Md. Yusoff, Jamaluddin, Assoc. Prof. Dr.; Lee, Hsien Nien (The Institution of Engineers, Malaysia, 2007-03)
      Artikel ini menerangkan tentang pelaksanaan kajian gerak dan masa dalam industri pembuatan berdasarkan soal selidik yang dijalankan terhadap beberapa syarikat asing dan tempatan di Malaysia. Kajian gerak dan masa ini ...

    • Pengesanan kerosakan dalam rangkaian FTTH dengan keupayaan pemprosesan GUI perisian MATLAB 

      Ng, Boon Chuan; Mohammad Syuhaimi, Ab-Rahman (The Institution of Engineers, Malaysia, 2010-06)
      Kajian ini menekankan pembangunan antaramuka pengguna bergrafik (GUI) untuk Sistem Pengesanan Kerosakan Terpusat (CFDS) dengan menggunakan perisian MATLAB untuk meningkatkan keberkesanan, kelengkapan dan keboleharapan ...

    • Pengoptimuman parameter pengacuan bagi mengurangkan kecacatan jasad anum proses pengacuan suntikan logam (MIM) 

      Khairur Rijal, Jamaludin; Norhamidi, Muhamad, Assoc. Prof.; Mohd. Nizam, Ab. Rahman, Dr.; Sri Yulis, M. Amin; Murtadhahadi, Ir. (The Institution of Engineers, Malaysia, 2008-06)
      Parameter penyuntikan bagi menyuntik bahan suapan MIM untuk mengurangkan kecacatan fizikal telah dioptimumkan dengan menggunakan tatacara ortogonal L27 (313). Parameter yang dioptimumkan adalah tekanan penyuntikan, suhu ...

    • Perbandingan jumlah kandungan elektron di atas variasi longitud khatulistiwa dan latitud menggunakan model IRI, NeQuick dan data IONEX 

      Mardina, Abdullah, Ir. Assoc. Prof. Dr.; Dayang Azra, Awang Mat; Siti Sarah, Nik Zulkifli (The Institution of Engineers, Malaysia, 2010-06)
      Pengetahuan mengenai jumlah kandungan elektron (total electron content, TEC) di sesebuah kawasan terutamanya di kawasan khatulistiwa adalah penting bagi pembangunan sistem komunikasi menggunakan lapisan ionosfera. Kajian ...

    • Performance evaluation of asphalt concrete using waste blister pack as additive 

      Akter, Rocksana (The Institution of Engineers, Malaysia (IEM), 2021-06)
      Disposal of non-decaying wastes, including blister packs, has become a significant concern in developed and developing countries. Blister pack waste materials were used as an additive to in this to enhance the performance ...

    • The performance of a prefaricated vertical drain trial embankment 

      Chin, Chong, Ir. (The Institution of Engineers, Malaysia (IEM), 2011-09)
      Two fuel scale trial embankments were constructed to a height of 3.65 m over the soft marine clay at Juru, Butterworth, Pulai Pinang. One of the embankments was improved using prefabricated vertical drain (PVD), and the ...

    • Performance of sandwiched kenaf fibre and sugarcane husk in treating pavement runoff 

      Nor Azlina, Alias; Badronnis, Yusuf (The Institution of Engineers, Malaysia (IEM), 2022)
      Rapid urbanisation appears to cause more paved parking areas being provided which contributed into a greater impermeable surface area. Pavement runoff from the impermeable surface area does indeed have a high concentration ...

    • Physical and thermochemical characterisation of Malaysian biomass ashes 

      Wan Azlina, Wan Ab Karim Ghani, Dr.; Mohd Syafik Firdaus, Abdullah; Khamirul Amin, Matori, Dr.; Azil Bahari, Alias; da Silva, Gabriel, Dr. (The Institution of Engineers, Malaysia, 2010-09)
      The agriculture sector in Malaysia has been growing rapidly over the years and this leads to large amount of agricultural waste. However, sustainable development and increasing fuel demand necessity had identified biomass ...

    • Physical modelling similitude: a study of sediment deposition in reservoir 

      Safari, Mat Desa; Mohd Kamarul Huda Samion; Mohd Hidayat, Jamal; Ahmad Farhan, Hamzah; Ernie, Abd Manan; Saiful Bahri, Hamzah; Md Nasir, Md Noh (The Institution of Engineers, Malaysia (IEM), 2019-12)
      Changes in rainfall pattern, rapid urbanization, infrastructure development and uncontrolled agricultural activities have been found as major sources to contribute to excessive reservoir sedimentation problem in Malaysia, ...

    • Physical, chemical and quality properties of agglomerates and their beverages from fluidised bed drying of calamansi, pineapple and starfruit juice 

      Lee, Siew Yoong (The Institution of Engineers, Malaysia, 2006-12)
      Calamansi, pineapple and starfruit juice can be converted into powder or agglomerate through the process of fluidised bed d rying and agglomeration. One kilogramme of ground sugar was used as a carrier for the fluidised ...

    • Physical, geotechnical and morphological characteristics of peat soils from Sarawak 

      Md. Aminur, Rahman; Kolay, Prabir K., Dr.; Siti Noor Linda, Taib, Dr.; Mohammad Ibrahim, Safawi, Assoc. Prof. Dr.; Ahmad Kamal, Abd Aziz (The Institution of Engineering, Malaysia (IEM), 2011-12)
      In Malaysia, Sarawak has the largest area of peat-land in the country, covering approximately 1.66 million hectares. With the rapid industrialisation and population growth, construction is scheduled almost all over the ...

    • Physicaland mechanical behavior of concrete in seawater under high hydrostatic pressure 

      Md. S., Islam; Kaushik, S. K.; Md. M., Islam (The Institution of Engineers, Malaysia, 2005-06)
      As a part of a durability study of concrete exposed to sea water environment, the paper describes the effect of sea salts on the physical and mechanical properties of concrete under large hydrostatic pressure. Specially ...

    • Pink guava juice pasteurisation: Fouling deposit and cleaning studies 

      Ho, Ai Ling; Tan, V. C.; Norashikin, Ab. Aziz; Farah Saleena, Taip; Mohd Nordin, Ibrahim (The Institution of Engineers, Malaysia, 2010-12)
      Pasteurization is a common sterilization process in food industry to prolong the shelf life of the food product. However, fouling deposit problem is one of the major problems of the pasteurisation. This work provides ...

    • Polymer waste recycling over fresh, steam deactivated and used FCC catalysts 

      Salmiaton, Ali; Garforth, Arthur A. (The Institution of Engineers, Malaysia, 2004-09)
      Feedstock recycling of high-density polyethylene (HDPE) over fluid catalytic cracking (FCC) catalysts (6:1 ratio) was carried out using a laboratory fluidised bed reactor operating at 450oC, atmospheric pressure and ...

    • Post-flood forensic analysis of Sungai Maong using InfoWorks ™ River Simulation (RS) 

      Jenny Kuihoon, Kulu; Mah, Darrien Yau Seng; Frederik, Josep Putuhena, Prof. Dr.; Salim, Said, Prof. Dr. (The Institution of Engineers, Malaysia, 2007-12)
      Sungai Maong catchment is one river basin with the worst flooding history in Kuching City. Post-flood forensic analysis outlined in this paper presented an approach using a hydrodynamic model – InfoWorks River Simulation ...