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401
Microstructure and tensile properties of friction stir processed Al-Si alloy
Published 2018“…Samples were subjected to FSP using fixed tool rotation speed 1400 rpm and traverse speed 42 mm/min, with tool angle tilted 3˚.The influence of the FSP on the microstructure and tensile properties of the cast AlSi-Cu-Ni alloy samples were studied. …”
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Article -
402
Fatty acid composition of Malaysian giant mudskipper (Periophthalmodon schlosseri) fish oil
Published 2010“…An HP-5 non-polar capillary column was used and the temperature was initially kept at 50oC for 2 min and then programmed at 5oC min-1 to 250oC. …”
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Proceeding Paper -
403
Eco-friendly machining of T6061 aluminium alloy using titanium carbonitride (TiCN) coated tools
Published 2012“…The optimum cutting parameters for machining T6061 Aluminium alloy using TiCN coated tool is found; 333 m/min (water based) and 415 m/min (palm oil) at a depth of cut of 0.4 mm and feed rate of 0.6 mm/rev.…”
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Article -
404
A comparative study of the effectiveness of β-glucosidase immobilized on CNT-nanoparticles and Ca-alginate beads
Published 2014“…The Michaelis constants, Km and Vmax, determined using Langmuir linearized plot are respectively 0.09048 μmol/mL and 0.00989 μmol/mL.min for immobilized Ca-alginate; and 0.0985 μmol/mL and 0.01237 μmol/mL.min for immobilized MWCNT. …”
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Proceeding Paper -
405
Multi-response optimizations for high speed ductile mode machining of soda lime glass
Published 2015“…Obtained results demonstrated that optimal combination of the response parameters, 0.78 μm Ra, 107 μm (Tw) and 0.56 min (Tl) were achieved with maximum desirability 77%, at the lowest depth of cut 20 μm at spindle speed of approximately 40000 rpm with feed rate of 69 mm/min.…”
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Article -
406
Applying liquisolid technique to enhance curcumin solubility: a central composite design study
Published 2024“…Experimental results confirmed the formulation’s effectiveness, with a marked reduction in the time to dissolve 63.2% of the drug to 165 min, compared to 300 min for conventional formulations. …”
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Article -
407
Synthesis of zeolitic imidazolate framework-8 modified graphene oxide composite and its application for lead removal
Published 2023“…Additionally, ZGH30 achieved the most rapid equilibrium time within 10 min, similar to ZGH50, as compared to their individual components, ZIF-8 (240 min) and GO (300 min). …”
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Article -
408
Synthesis of zeolitic imidazolate framework-8 modified graphene oxide composite and its application for lead removal
Published 2023“…Additionally, ZGH30 achieved the most rapid equilibrium time within 10 min, similar to ZGH50, as compared to their individual components, ZIF-8 (240 min) and GO (300 min). …”
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Article -
409
Kaedah pengajaran yang diamalkan oleh tenaga pengajar di institut memandu
Published 2018“…Data di analisis menggunakan Statistical Package for Social Science (SPSS) versi 22 dengan mencari nilai skor min, ujian t-tidak bersandar dan ujian ANOVA. Hasil analisis mendapati kaedah mengajar dominan yang diamalkan oleh tenaga pengajar di institut memandu adalah kaedah tunjuk cara dengan skor min sebanyak 4.71. …”
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Thesis -
410
Penggunaan modul pembelajaran elektronik (MPE) pengenalan pelancongan H 111 : tinjauan terhadap pensyarah dan pelajar Diploma Pengurusan Pelancongan, Politeknik Johor Bahru
Published 2003“…Dalam persoalan kajian pertama, skor min keseluruhan yang diperolehi terhadap penerimaan pelajar ke atas MPE Pengenalan Pelancongan H i l l yang dihasilkan adalah di tahap baik iaitu 3.74. …”
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Thesis -
411
Kemahiran boleh pindah dalam kalangan pelajar kejuruteraan di IPTA
Published 2016“…Data dianalisis dengan mencari nilai skor min dan Ujian-t tidak bersandar menggunakan perisian Statistical Package for Social Science (SPSS). …”
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Thesis -
412
Comparative study of the chemical kinetics of two catalysts used for esterification of sludge palm oil
Published 2011“…The rate constant K of using PTSA was 0.9 * 10-3 min-1 while K of using sulfuric acid was 2* 10-3 min-1. …”
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Proceeding Paper -
413
Statistical optimization of adsorption processes for removal of 2,4-dichlorophenol by activated carbon derived from oil palm empty fruit bunches
Published 2007“…The activated carbon was produced by thermal activation of activation time with 30 min at 800°C. The adsorption process conditions were determined with the statistical optimization followed by central composite design. …”
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Article -
414
Optimization of process parameters for the bioconversion of activated sludge by Penicillium corylophilum, using response surface methodology
Published 2007“…The three parameters namely temperature of 33"C, agitation of 150 r/min, and pH of 5 were chosen as center point from the previous study of fungal treatment. …”
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415
Production of citric acid from empty fruit bunches through solid state bioconversion by using rotary drum bioreactor with Aspergillus niger
Published 2016“…The highest production of citric acid of 327.67±3.7 g/kg-EFB was obtained in rotary drum bioreactor with the continuous supply of saturated air of 8.4 L/min (2.8 L/kg/min) and the agitation of 90 rotation/day. …”
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Proceeding Paper -
416
Hot machining of hardened steels with coated carbide inserts
Published 2009“…Preheating temperature of 335°C coupled with cutting speed of 40 m min-1, depth of cut of 1.0 mm and feed of 0.02 mm/tooth resulted in a noticeable reduction in tool wear rate leading to a maximum tool life 188.55 min. …”
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Article -
417
INFLUENCE OF MACHINING PARAMETERS ON TOOL WEAR AND MACHINING PERFORMANCE IN HIGH SPEED DUCTILE MODE END MILLING OF SODA LIME GLASS
Published 2016“…It was found from the optimization that, minimum surface roughness and minimum tool wear in the experiment without heat assistance obtained at 41,000 rpm of spindle speed, feed rate of 7.12 mm/min and low depth of cut 5 µm. On the other hand, the suggested conditions for minimum surface roughness and tool wear in heat assisted machining were: spindle speed 38,000 rpm, feed rate 20 mm/min and depth of cut 50 µm. …”
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Monograph -
418
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