Journal Articles: Recent submissions
Now showing items 1-20 of 2723
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Synthesis of calcium phosphate: Influence of sintering temperature on the formation of fluorhydroxyapatite
(Universiti Malaysia Perlis, 2020-01)Calcium phosphate biomaterials can be classified as polycrystalline ceramics. Hydroxyapatite is one kind of calcium phosphate biomaterials which is also a mineral component in hard tissue, especially dental and bones. ... -
Removal of phenol from water using ZnO nanoparticles
(Universiti Malaysia Perlis, 2020-01)Zinc oxide (ZnO) nanoparticles were prepared using Pulsed Laser Ablation (PLA) method with various laser energies of 100, 200, 300, 400 and 500 mJ for removing organic pollutants (phenol) from water solutions. The acquisition ... -
Nano-Particle doped polymers to improve contact lenses optical quality
(Universiti Malaysia Perlis, 2020-01)Polymer-based nanocomposites exhibit different optical virtues such as high refractive index (RI), Abbe number (νd) and visible light transmittance (T %) above 90%. These hybrid materials attract more interest in ... -
Investigation of wear behavior for novel polyamide 66 composites under dry sliding conditions
(Universiti Malaysia Perlis, 2020-01)Polyamide 66 has been recently used in mechanical applications especially in gears manufacturing due to their low weight, low cost, and good tribological characteristics. In particular, great attention must be considered ... -
Effect of nanoparticles and fibers types on hybrid blend composite materials behavior of epoxy and phenol-formaldehyde
(Universiti Malaysia Perlis, 2020-01)Phenol-formaldehyde resin was mixed with epoxy resin in different proportions to form a hybrid mixture of composite materials. It was reinforced with carbon fibers, glass fibers, Kevlar fibers, magnesium oxide and zirconia ... -
Effect of milling time on the microstructure and dielectric properties of chitosan nanopowder
(Universiti Malaysia Perlis, 2020-01)The effect of milling time on the microstructure of chitosan nanopowder had been investigated. This study fabricated chitosan nanopowder via ball milling at different milling time. The milling time used were 0, 60, 180 and ... -
Characterisation of laser-treated Ag, Al, and Al/Ag metal thin films deposited by DC sputtering
(Universiti Malaysia Perlis, 2020-01)Structural, optical and electrical properties of Nd:YAG pulsed laser-treated silver (Ag), Aluminium (Al) and Al/Ag bi-layer metal thin films deposited by Direct Current (DC) sputtering technique is investigated. Laser-metal ... -
The effect of inter laminate layer on flexural strength for unsaturated polyester resin reinforced hybrid fabric composite
(Universiti Malaysia Perlis, 2020-01)The present study aims to examine the effects quality, sequence and direction of the layers for three types of fibers: orthogonal glass fibers, randomized glass fibers, short carbon fiber cut on the bending test using a ... -
Modeling of tunneling current of electron in Bilayer Armchair Graphene Nanoribbons P-N junction diode using transfer matrix method
(Universiti Malaysia Perlis, 2020-01)The tunneling current in the P-N junction diode Bilayer Armchair Graphene Nanoribbons (BAGNR) was calculated. The tunneling current was obtained by solving the Schrödinger equation to find out the electron transmittance ... -
Digital fringe projection system for round shaped breast tumor detection
(Universiti Malaysia Perlis, 2020-01)The digital fringe projection has been widely used in the field of surface imaging however its application in the field of body imaging especially for human breasts is still quite limited. Currently, the common imaging ... -
Use of alum and ferric sulphate for treating landfill leachate via coagulation Process: A comparative study
(Universiti Malaysia Perlis (UniMAP), 2019)Landfill leachate is a complex wastewater which may give potential problems to the environment. Besides the new treatment processes that has been implemented, coagulation and flocculation treatment are considered as the ... -
Uptake of Zn and Fe from wet market wastewater through phytoremediation: Potential of floating plants
(Universiti Malaysia Perlis (UniMAP), 2019)In Malaysia, wet market wastewaters are discharged directly into receiving water without any treatment which may affect both of human and aquatic life if not treated properly. Thus, this study was conducted to assess the ... -
Rainfall projection corresponding to climate scenarios based on Statistical Down-Scaling Model over Perlis, Malaysia
(Universiti Malaysia Perlis (UniMAP), 2019)General Circulation Models (GCMs) are used to modelling the responses of the climate system to different scenarios of greenhouse gas and aerosol. However, the model needs to downscale into a fine resolution daily rainfall ... -
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 ... -
New application of pomegranate peel waste: The decontamination of toxic methylene blue dye from textile wastewater
(Universiti Malaysia Perlis (UniMAP), 2019)The textile wastewater contains different dyes which are harmful to the environment. Therefore, wastewater from textile industry need to be treated before being discharged into the environment. The removal of dyes from ... -
Degradation characteristics of monoazo and diazo dye by using ozone oxidation
(Universiti Malaysia Perlis (UniMAP), 2019)The degradation characteristics of monoazo Acid Orange 7 (AO7) and diazo Reactive Green 19 (RG19) were investigated using ozone oxidation. It was evaluated based on colour, chemical oxygen demand (COD) and total organic ... -
A study of water quality for Sungai Kedah during high and low tides
(Universiti Malaysia Perlis (UniMAP), 2019)Sungai Kedah is the main river in Kedah with total length approximately 7.5 km2 from Kampung Balek Hutan to Alor Setar city before discharged to the sea. The size of the Sungai Kedah basin is approximately 3605 km2. The ... -
Adsorption of remazol brilliant pink (Red 3BS) dye onto Leucaena Leucocephala Shell based activated carbon: Batch study
(Universiti Malaysia Perlis (UniMAP), 2019)Adsorption of remazol brilliant pink (Red 3BS) dye from aqueous solution onto activated LLS adsorbent was investigated in a batch study. Adsorption isotherm and kinetics study were carried out by considering the effects ... -
Transformation semigroups and state machines
(Institute of Engineering Mathematics, Universiti Malaysia Perlis, 2019-12)A transformation semigroup is a pair (Q; S) consisting of a finite set Q, a finite semigroup S and a semigroup action λ : Q X S Q, (q, s s (q) which means : i) q 𝜖 Q,s, t 𝜖 S : st (q) = s (t (q)) , and (ii) s, ... -
The technique of discontinuity tracking equations for functional differential equations in 1-Point Implicit Method
(Institute of Engineering Mathematics, Universiti Malaysia Perlis, 2019-12)In this paper, the technique of discontinuity tracking equations was proposed in order to deal with the derivative discontinuities in the numerical solution of functional differential equation. This technique will be ...