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2061
Life cycle assessment of direct recycling hot press forging of aluminium AA7075 metal matrix composite
Published 2024“…The findings suggest that employing a forging temperature of 532.34 °C and a holding time of 60 min produces favourable results. When comparing the characteristics of the MMC and recycled aluminium, it can be observed that they both demonstrate similar essential process attributes. …”
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Article -
2062
Degradation of cephalexin toxicity in non-clinical environment using zinc oxide nanoparticles synthesized in Momordica charantia extract; Numerical prediction models and deep learn...
Published 2023“…The ANN results indicated that 88.87% of CFX was degraded using 50 mg/L of MCZnO NP, 40 mg/L of CFX, at pH 9, and after 180 min. Simulation analysis revealed that MCZnO NPs were efficient in degrading CFX concentrations (up to 60 mg/L) with 100% removed depending on pH and time. …”
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Article -
2063
Physical-mechanical properties and thermogravimetric analysis of fired clay brick incorporating palm kernel shell for alternative raw materials
Published 2023“…For this purpose, clay soil was replaced with different percentages of PKS (0, 1, 5 and 10%) and subjected to a firing temperature of 1050 ◦C (heating rate of 1 ◦C/min). The physical–mechanical properties such as shape, size, colour, dry density, water absorption, thermal conductivity, porosity and compressive strength, as well as microstructural and morphological properties (XRD, SEM-EDX and digital image) and thermal analysis data (TGA-DTA) were evaluated to determine the effects of replacing PKS in fired clay bricks. …”
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Article -
2064
Environmental DNA metabarcoding of freshwater fish in Malaysian tropical rivers using short-read nanopore sequencing as a potential biomonitoring tool
Published 2024“…We successfully identified a total of 22 and 71 species with an identification threshold of >97% and >90%, respectively, through the MinION platform. The eDNA metabarcoding approach detected over 13% more freshwater fish species than when the conventional method was used. …”
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Article -
2065
Molecularly imprinted polymer based on deep eutectic solvent as functional monomer for paracetamol adsorption
Published 2024“…The result indicated that the optimal conditions for paracetamol adsorption were pH 7, 35 min, and 5.5 mg. The behavior of paracetamol adsorption on DES-MIP was well-fitted using the second-order kinetic and Langmuir isothermal models, respectively. …”
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Article -
2066
Enchancing RFID data quality and reliability using approximate filtering techniques
Published 2018“…Therefore we developed a lightweight anti-cloning approach based on modified Count- Min sketch vector and tag reading frequency from e-pedigree in observing identical Electronic Product Code (EPC) of the low cost tag in local site and distributed region in supply chain. …”
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Thesis -
2067
Polyurethane foam from oil palm fruit waste: synthesis and characterization of biopolyol and foam properties
Published 2018“…The optimal liquefaction conditions were determined to be PW/PEG400 = 1/3, 5 % acid loading, and liquefaction at 150 °C for 120 min. The results revealed that more than 50 % of the oil palm fruit waste converted into liquefied product. …”
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Thesis -
2068
Performance of laser assisted micro-milling (laμmill) of titanium alloy using micro ball end mill
Published 2018“…When the feed rates ranging from 52.5 to 210 mm/min, the workpiece temperature at machining region was increased from 128 °C to 178 °C when the cutting tool is located at 0.6 mm from the laser. …”
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Thesis -
2069
Influence of preheating on chatter and machinability of titanium alloy - Ti6A14V
Published 2005“…The cutting speeds used in these experiments were 40, 80, 120 and 160 m/min; the depths of cut were 1 and 1.5 mm and the feed rates were 0.1 and 0.15 mm/rev. …”
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Thesis -
2070
Phycoremediation of wet market wastewater using microalgae scenedesmus sp. For biomass production
Published 2019“…In microalgae cultivation, this study notably found the optimum of 64.26% of WMW concentration and 3.07 L/min of aeration rate were established by using statistical analysis by response surface design (RSM) in terms of biomass productivity with 6% error for the validation experiment with the value of biomass production of 68.32 mg/L/d. …”
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Thesis -
2071
Effect of high velocity oxy-fuel (HVOF) coatings on fatigue behaviour of carbon steel
Published 2021“…Tensile test was carried out with a strain rate of 0.5 mm/min and a dog bone shaped specimen in accordance with ASTM-E8 standard. …”
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Thesis -
2072
Penilaian peserta, penganjur dan penonton terhadap keberkesanan dan kepuasan Program Pidato Antarabangsa Bahasa Melayu (PABM) = Participant, organiser and audience evaluations of e...
Published 2019“…Analisis perbandingan melibatkan ANOVA dilakukan terhadap data yang diperolehi melalui borang soal selidik. Hasil kajian mendapati bahawa pada keseluruhannya tidak terdapat perbezaan yang ketara antara ketiga-tiga responden terhadap keseluruhan kemudahan, program, perkhidmatan, aspek teknikal dan penghakiman, keberkesanan PABM kepada produktiviti, peningkatan tugasan dalam kemahiran Bahasa Melayu, dan impak kepada negara sendiri. …”
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Article -
2073
Influence of workpiece preheating on chatter and machinability of Titanium alloy - Ti6Al4V
Published 2011“…The cutting speed was varied in the range from 40 to 160 m/min; with varying depths of cut and feed rates. …”
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Book Chapter -
2074
Oil uptake and deep-frying performance of virgin coconut oil and palm solid shortening blends
Published 2012“…The fresh chickens were fried in a blended frying medium using an open fryer for 8 hours per day intermittently at 30 min interval for five consecutive days. Three types of oils were used; i.e. …”
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Article -
2075
Fracture strength and fractographic analysis of zirconia copings treated with four experimental silane primers
Published 2013“…Zirconia copings were vertically loaded on the cusp area until the first crack failure was occurred using Precision Universal Tester at a constant crosshead speed of 1 mm/min. Then, the machine was manually controlled to cause more failure to further determine the texture of fracture. …”
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Article -
2076
Study of the effects of process parameters on electroforced sedimentation in solid–liquid separation using response surface methodology
Published 2016“…The optimized values for current density, total solid volume per unit cross-sectional area and polyacrylamide dose for the highest sedimentation velocity (0.0199 cm/min) were 6.0 A/m2 , 7.74 mm and 1.53 % (based on the weight of zinc oxide), respectively. …”
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Article -
2077
Adsorption of Zn from aqueous solution by activated carbon derived empty fruit bunches: Statistical approach
Published 2009“…Thermal activation temperature (10000C) and time (30 min) were optimized to produce activated carbon from EFB. …”
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Proceeding Paper -
2078
Ultrasound-assisted process optimization and tribological characteristics of biodiesel from palm-sesame oil via response surface methodology and extreme learning machine - Cuckoo s...
Published 2020“…The optimum yield of P50S50 biodiesel obtained was 96.6138% under operating parameters of time (38.96 min), duty cycle (59.52%), methanol to oil ratio (60 V/V %) and catalyst amount (0.70 wt%). …”
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Article -
2079
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2080