Browsing Theses & Dissertations by Title
Now showing items 700-719 of 754
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A study on physical separation processes for recovery metals from waste printed circuit boards (PCBs)
(Universiti Malaysia PerlisSchool of Materials Engineering, 2011)In view of increasing the waste PCBs, a physical separation process has been carried out to recover metals from waste PCBs. This research is aimed to implement an effective and environmental friendly recovery particularly ... -
Study on sensing properties of chitosan-polyethylene oxide-exfoliated graphite based toluene sensors
Chitosan was used as a material to fabricate film sensor because of its structure and properties where it consists of amino group which has free electron. In this study, chitosan was added with polyethylene oxide and ... -
A study on the potential of polystyrene lightweight aggregate in concrete
(Universiti Malaysia PerlisSchool of Materials Engineering, 2009)Economic reason caused the used of expandable polystyrene increasing every year. The consequence is that the polystyrene wastes also mounted day by day. On the other hand, the source of natural aggregate is non-renewable. ... -
Study on the potential of repair fire-damaged reinforced concrete beams using ultra high performance concrete with curing at ambient temperature
Fire-damaged reinforced concrete structure requires repair work to improve its serviceability and prevent structural failure. The intense fire exposure on the structure deteriorates its strength and durability. Fire-damaged ... -
Study on thermoplastic cassava starch modifications via chemical, photo and irradiation induced crosslinking
The characterization of modified thermoplastic starch (TPS) was investigated by means of mechanical properties, thermal properties, scanning electron microscope (SEM), Fourier transform infrared spectroscopy, high ... -
Study on wireless power transfer based on magnetic resonance using inductive coil
(Universiti Malaysia Perlis (UniMAP)School of Electrical Systems Engineering, 2015)Wireless power transfer (WPT) based on magnetic resonance has become a major field of interest for researchers. Transferring power across air gaps has been achieved according to recent researches. Both small electric ... -
Study the effect of isothermal aging on Sn-Ag-Cu (SAC) lead-free solder added with silicon carbide (SiC)
The usage of composite solder is one of the method in improving stability of the solder joints. Addition of certain particles such SiC to form a composite solder has been given greater attention since it can enhance the ... -
Surface hardness effects on biomechanics foot response during running
Running activities can be either beneficial or caused chronic injuries among runners. Surface hardness and shod condition can be considered as the major factors that influenced the running performance. Understanding the ... -
Surface modification, characterization and properties of regenerated cellulose NYPA fructicans filled microcrystalline cellulose biocomposite films
The regenerated cellulose (RC) biocomposite films from nypa fruticans (NF) and microcrystalline cellulose (MCC) were prepared via solvent casting method using ionic liquid. The solvent system of N, N Dimethylacetamide ... -
Surface roughness and adhesion analysis study on ultrasonic gold ball onto aluminium bond pad
(Universiti Malaysia Perlis (UniMAP)School of Microelectronic Engineering, 2013)The advancement of technology in the micro and nano electronic niche has changed the aspects of interconnection of electrical connectivity. Surface adhesion of electronic device fabrication has propelled tribology element ... -
Surface roughness and wettability investigation of varied plasma parameter effect on PVD deposited aluminium
(Universiti Malaysia Perlis (UniMAP)School of Microelectronic Engineering, 2013)Surface metrology has been a focused and thoroughly investigated research niche since the advent of device fabrication. The current technology shift into MEMS and nano has again made surface metrology a focused area. Layer ... -
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 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 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 ...