Browsing Journal Articles by Title
Now showing items 2113-2132 of 3156
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Optimization of compacting process for Porous Ti-6Al7Nb alloys with Magnesium as a space holder by using Taguchi Method
(Universiti Malaysia Perlis (UniMAP), 2022-10)The optimization of compacting process for porous titanium niobium (Ti-6Al-7Nb) alloys with magnesium as a space holder prepared by powder metallurgy process was studied to analyze the significant porosity required in ... -
Optimization of complex fermentation media for glucose oxidase production using statistical approach
(Asian Network for Scientific Information (ANSINET), 2013)Production cost of enzyme is largely determined by the type of the strain and raw material used to propagate the strain. Hence, selection of the strain and raw materials is crucial in enzyme production. For Glucose oxidase ... -
Optimization of Fenton oxidation to treat textile wastewater
(Universiti Malaysia Perlis (UniMAP), 2019)Studies were made to assess the performance and optimal condition of Fenton oxidation in textile wastewater. Three factors considered in this process which were concentration of hydrogen peroxide (H2O2), concentration of ... -
Optimization of hot pressing parameters in membrane electrode assembly fabrication by response surface method
(Elsevier Ltd, 2013-07)The aim of this research was to study the effect of the membrane electrode assembly fabrication factors on the performance of a passive micro direct methanol fuel cell by studying the hot pressing parameters. The MEA was ... -
Optimization of machine tools by using the maximum productivity rate
(INSInet Publication, 2011)Calculation of the productivity rate and optimization of the operating modes for automatic machine tools today is complex, and in many cases, an unresolved problem. Most equations for calculating the optimal machining ... -
Optimization of MEH-PPV based single and double-layer TOLED structure by numerical simulation
(Universiti Malaysia Perlis (UniMAP), 2021-12)In this work, we simulated and characterized Poly [2-methoxy-5-(2’-ethylhexyloxy)-1, 4-phenylene vinylene] (MEH-PPV) based single and double-layer TOLED by using Silvaco ATLAS device simulator to achieve prominent values ... -
Optimization of micromilling parameters using Taguchi Method for the fabrication of PMMA based microchannels
(Universiti Malaysia Perlis (UniMAP), 2020-12)A method is proposed for rapid prototyping of Poly (methyl methacrylate) (PMMA) microfluidic devices utilizing a micromilling machine. The present study is to investigates the influence of micromilling machining parameters ... -
Optimization of multi-tool machining process
(International Network for Scientific Information Publication (INSI), 2011-09)Optimization of the machining modes for machine tools by criterion of the maximum productivity rate is complex and in many cases an unresolved problem. Increasing of machining modes leads to change the productivity rate. ... -
Optimization of Protein Content in Earthworm-based Fish Feed Formulation for Catfish (Clarius gariepinus)
(Universiti Kebangsaan Malaysia, 2012)Pengoptimuman kandungan protein dalam formulasi makanan ikan berasaskan cacing tanah dikaji. Reka bentuk Faktorial Penuh dan Reka bentuk Komposit Berpusat telah digunakan untuk analisis dalam kajian ini bagi mengenal pasti ... -
Optimization of protein content in earthworm-based fish feed formulation for catfish (Clarius gariepinus)
(Penerbit Universiti Kebangsaan Malaysia (UKM)Fakulti Sains dan Teknologi, 2012-09)The optimization of protein content in earthworm-based fish feed formulation was investigated in the study. Full factorial design (FFD) and central composite design (CCD) were used as a statistical tool to screen the range ... -
Optimization of sintering temperature on microwave sintering of the composite iron-chromium reinforced with alumina particles
(Trans Tech Publications, 2014-01)Microwave sintering technology has become attractive and gained interest among material researchers due its capability and advantages over conventional sintering. Since two decades ago, intensive researches on microwave ... -
Optimization of solids-to-liquid and alkali activator ratios of calcined kaolin geopolymeric powder
(Elsevier Ltd, 2012-12)This paper investigates the effect of S/L and alkali activator ratios on the synthesis of geopolymeric powder. Geopolymeric powder was synthesized by applying geopolymerization process. By adopting the concept of "just ... -
Optimization of thaumatin extraction by aqueous two-phase system (ATPS) using response surface methodology (RSM)
(Elsevier B.V., 2008-09-22)The work attempts to study and optimize aqueous two-phase system (ATPS) made of polyethylene glycol (PEG)/sodium sulfate and PEG/potassium phosphate. Five factors (PEG's molecular weight, PEG's concentration, pH, concentration ... -
Optimization of the isolation of extracellular vesicles via dielectrophoresis: A preliminary analysis
(Universiti Malaysia Perlis (UniMAP), 2020-12)Extracellular vesicles (EVs); 30 nm to 1 micrometer in size; has gained its attention as their role as biomarkers and communicator from one cell to another. The importance of early detection for diseases is highly integral ... -
Optimization of the plastic injection molding parameters for sport equipment by using design of experiment
(Praise Worthy Prize S.r.l., 2013-03)This Paper, research about the defect on plastic product in injection molding process. During producing a product using injection molding process, various of defects such as warpage, weld lines, shrinkage and sink mark can ... -
Optimization of the Temperature Synthesis of Hydroxyapatite from Indonesian Crab Shells
(Universiti Malaysia Perlis (UniMAP), 2019-01)Hydroxyapatite (HAp) [Ca10(PO4)6(OH)2] is a ceramic class of material widely used for medical applications. The HAp has been synthesized from Indonesian crab shells using a precipitation method at different temperatures ... -
Optimization on parameter settings in determining warpage factors of a side-gated thin shallow part injection molding for PP, ABS & PC+ABS materials
(Praise Worthy Prize S.r.l., 2012-05)The injection molding process of thin shallow part requires several concerns in order to produce a quality output. In part of determining the best parameter settings, among other considerations that need to be taken are ... -
Optimization Study and Characterization of Microcrystalline Cellulose Isolated from Coconut Husk via Hydrolysis using Ionic Liquid
(Universiti Malaysia Perlis (UniMAP), 2018)This paper reports the optimization study and characterization of microcrystalline cellulose (MCC) isolated from coconut husk via hydrolysis using ionic liquid. Three process parameters, namely solvent concentration, ... -
Optimization the annealling time of membrane PSF19%DMF for palm oil mill effluent treatment
(Universiti Malaysia Perlis, 2016)The membrane that produced is expected to be used for separation the particles that having size of 0.01 to 0.1 μm with MWCO range of 200-300 from the solution as industries wastewater. The objective of research is to study ... -
An Optimized Low‐Noise Low‐Power Preamplifier for Cardiac Implants
(Universiti Malaysia Perlis (UniMAP), 2018-04)Among various analog circuits, the preamplifier has a prominent role in the analog front end (AFE) circuit of biomedical implantable microsystems for a reliable acquiring of weak biophysiological signals. The AFE acts ...