Browsing Journal Articles by Title
Now showing items 2121-2140 of 3156
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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 ... -
Optimizing electroplating process parameter and Sn-Plating thickness uniformity using modified shielding
(Universiti Malaysia Perlis (UniMAP), 2022-03)Uneven plating thickness distribution across plated surface has become a major challenge in electroplating industry mainly due to the complexity of package design. In most cases, controlling the plating thickness uniformity ... -
Optimizing plasmonic characteristics of Ag-AuNPs/Nanohillocks Si Heterostructures for efficient SERS performance
(Universiti Malaysia Perlis (UniMAP), 2020-04)Tunable bimetallic Ag-Au nanoparticles (Ag-AuNPs) and hot spot regions were created through the reduction of Ag-Au ions onto nanohillock silicon surfaces. A set of as-prepared textured silicon substrates with different ... -
The optimum condition for the synthesis of carbon nanofibers on activated carbon to remove lead from aqueous solution
(Universiti Malaysia Perlis (UniMAP), 2019-04)Optimum process condition for the production of Carbon Nanofibers (CNFs) to remove lead ion (Pb) from aqueous solution is reported here. The CNFs were produced on the catalyst (Ni2+) impregnated palm oil-based cheap ... -
Opto-electronic properties of carbon nanotube doped ITO electrode using ArF excimer laser annealing.
(Universiti Malaysia Perlis, 2015)Transparent conductive nanocomposite thin films of indium tin oxide (ITO) and carbon nanotubes (CNTs) in various concentrations are prepared on flexible polyethyleneterephtalate (PET) substrate using spin coating process. ... -
Optoelectronic and thermoelectric properties of KAuX5 (X = S, Se): A first principles study
(Springer Verlag, 2014-02)The electronic structure as well as optical and thermoelectric properties of the orthorhombic polychalcogenides of gold KAuX5 (X = S, Se) compounds have been investigated using full-potential linearized augmented plane ... -
Optoelectronic and thermoelectric properties of KAuX5 (X = S, Se): A first principles study
(Springer US, 2014-02)The electronic structure as well as optical and thermoelectric properties of the orthorhombic polychalcogenides of gold KAuX5 (X = S, Se) compounds have been investigated using full-potential linearized augmented plane ... -
Optoelectronic properties of GaAs and AlAs under temperature effect
(Elsevier GmbH, 2013-08)An application study of optoelectronic properties as a function of the temperature for GaAs and AlAs according to our model has been presented using empirical pseudopotential method (EPM). The structural phase transition ... -
Organic dye degradation with TiO2 catalyst/AAO template in the presence of H2O2
(Trans Tech Publications, 2013)In this study, anodic aluminum oxide (AAO) fabricated from phosphoric acid electrolyte at ambient temperature was used as the porous template, while a sol gel procedure was used for the preparation of the TiO2 sol with the ...