Browsing Theses & Dissertations by Title
Now showing items 770-789 of 818
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A surface roughness based visual and analysis system for surface quality improvement in fused deposition modeling rapid prototype machine
(Kolej Universiti Kejuruteraan Utara MalaysiaSchool of Mechatronic Engineering, 2006)In rapid prototyping (RP), part deposition orientation and surface finish are two significant concerns, but they are contradicting with each other. In model building in RP, a concession is commonly made between these two ... -
Symmetric wideband five port reflectometer for microwave-imaging based brain injury diagnosis
Brain injury is considered as one of the vital reasons for death worldwide with more than 15 million people suffer from brain stroke attack each year, according to World Health Organization (WHO). The limitations of ... -
Synthesis and characterisation of ternary system LiCoPO₄-LiNiPO₄-LiMnPO₄ cathode materials for Li-ION batteries
Electrochemical energy storage devices with high energy density are important in modern society. In order to obtain high energy density Li ion batteries, cathode materials with high discharge voltage and discharge capacity ... -
Synthesis and characterization of a two-step reduced Graphene Oxide for antena applications in the microwave resime
This thesis presents the development of a two-step reduced graphene oxide that is to be implemented as the radiating element for a patch antenna. The two-step reduced graphene oxide is prepared with graphite powder and is ... -
Synthesis and characterization of BaTiO3 pellets and thin films
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)Barium titanate was synthesized using a solid state approach and an aqueous method. Solid state syntheses were used to prepare barium titanate pellets using a powder metallurgy method. Appropriate amounts of barium ... -
Synthesis and characterization of Cu₂Zn₁-xCdxSnS₄ quinternary alloy structure nanostructures using sol-gel electrospining technique
The principal aim of the research work presented in this thesis is to synthesise nanostructured Cu2Zn1-xCdxSnS4with different Cd concentrations (x=0 to 1)on glass, porous silicon (PS), oxidized silicon (SiO2) and GaN ... -
Synthesis and characterization of high dielectric constant material based on Er-doped BaTiO3 for capacitor applications
High dielectric constant material becomes an important parameter to be used as capacitor for storage in most electronic devices due to miniaturization trend of smart devices and electronic gadgets. BaTiO3 was used in ... -
Synthesis and characterization of reduced grahene oxide (rGO) / tips-pentacene composite material for organic thin film transistor (OTFT) sensor platform
Organic thin film transistor (OTFT) has drawn a lot of attention due to their advantages of flexible, transparent, easy to fabricate and cost effective production. The main problem occurred in OTFT was its lower ion mobility ... -
Synthesis and characterization of silicon carbide nanotube via microwave assisted method
Silicon carbide (SiC) is well known as one of the most useful materials due to its high hardness next to diamond. Silicon carbide nanotubes (SiCNTs) and nanowires (SiCNWs) especially have high potential in high temperature ... -
Synthesis and optimization studies of Fructose palmitate
(Universiti Malaysia Perlis (UniMAP)School of Bioprocess Engineering, 2010)Fructose palmitate (sugar ester) is a relatively new class of nonionic surfactants. Their excellent biodegradability and low toxicity surfactant as well as effectiveness at extreme temperature, pH and salinity show their ... -
Synthesis of carbon nanomaterials using chemical vapor deposition technique for liquid adsorption
(Universiti Putra Malaysia (UPM), 2011-09)The synthesis of Carbon Nanotubes (CNTs) and Helical Carbon Nanofibers (HCNFs) using Floating Catalyst-Chemical Vapor Deposition method (FC-CVD) is reported. Acetone and ethanol are used as carbon sources, hydrogen as ... -
Synthesis of multilevel and binary sequences with good correlation properties
(Universiti Malaysia Perlis (UniMAP)School of Computer and Communication Engineering, 2013)In radar systems the very low side lobes that can be achieved with amplitude and phase modulated pulse trains especially particularly in systems requiring a large dynamic range. Moreover, the excellent self-clutter rejection ... -
Synthesis of precipitated calcium carbonate (PCC) nano-particles using turbo-mixing reactive precipitation
Calcium carbonate (CaCO3) is a crystalline compound appear abundantly in nature substance mostly in sedimentary rocks which comprise more than 4% of the earth’s crust throughout the world. Calcium carbonate is one of the ... -
Synthesis, characterization and performance study of Calcium Oxide catalyst from waste eggshell for Pyrolysis of empty fruit bunch
Catalytic pyrolysis of empty fruit bunch with eggshell waste catalyst were conducted in this studied to synthesized calcium oxide catalyst from waste eggshell, to investigate the physical and chemical properties of calcium ... -
Synthesis, characterization and properties of low density polyethylene filled with reduced graphite oxide
Graphite based materials have become promising candidates in polyolefin nanocomposites in widening the application such as a packaging material. However, the utilization of these combination exhibits a doubt on how was ... -
A T-Way test suite generation strategy for sequence based interaction testing
Complementing existing test design techniques (e.g. boundary value analysis, equivalent partitioning and cause and effect graphing), t-way testing is a test design technique that specifically used to cater bugs due to ... -
Temperature cycling reliability test for a ball grid array (BGA) package using finite element analysis (FEA)
(Universiti Malaysia PerlisSchool of Microelectronic Engineering, 2008)Thermal cycling test is one of the reliability test that has been used to evaluate the reliability of the solder joint interconnect in ball grid array (BGA) package. The purpose of thermal cycling test is to characterize ... -
Tensile and thermal properties of coconut shell powder filled polylactic acid biocomposites
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2012)In this research the effect of coconut shell powder (CSP) content and chemical modification on mechanical properties, morphology and thermal properties of polylactic acid (PLA)/CSP biocomposites were studied. Coconut shell ... -
Tensile and thermal properties of elateriospermum tapos seed shells filled recycled polypropylene eco-composites
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2015)The effects of elateriospermum tapos seed shell (ETSS) and its chemical modification on tensile properties, morphology and thermal properties of recycled polypropylene (rPP) eco-composites were investigated. The rPP/ETSS ... -
Tensile and thermal properties of oil palm empty fruit bunch regenerated cellulose biocomposite films using ionic liquid
(Universiti Malaysia Perlis (UniMAP)School of Materials Engineering, 2014)The regenerated cellulose (RC) biocomposite films from oil palm empty fruit bunch (OPEFB) and microcrystalline cellulose (MCC) were prepared using ionic liquid. N, N Dimethylacetamide (DMAc) and Lithium Chloride (LiCl) ...