Volume 5, Issue 6 (2008) | American Journal of Applied Sciences

Investigation of Diesel Engine Performance Based on Simulation

Semin — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.610.617

The single cylinder modeling and simulation for four-stroke direct-injection diesel engine requires the use of advanced analysis and development tools to carry out of performance the diesel engine mod...

Using IRS Products to Recover 7ETM+ Defective Images

Mobasheri Mohammad Reza — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.618.625

On May 31st, 2003, Landsat 7 faced an anomaly in the Scan Line Corrector (SLC) normal operation. This malfunctioning of SLC caused the individual scan lines alternately overlap each other and conseque...

Low-g Area-changed MEMS Accelerometer Using Bulk Silicon Technique

Badariah Bais — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.626.632

A bulk micromachined accelerometer based on an area variation capacitive sensing for low-g applications was developed. The accelerometer was designed with ribbed-style fingers structure on the movable...

A Tactile Sensor for Detection of Skin Surface Morphology and its Application in Telemedicine Systems

Roozbeh Khodambashi — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.633.638

We proposed a new type of tactile sensor that is capable of determining the surface morphology of skin lesions. The sensor consists of a brass cylinder with an axial bore. Three peripheral bobbins wer...

Enhancing P300 Component by Spectral Power Ratio Principal Components for a Single Trial Brain-Computer Interface

S. Andrews — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.639.644

Here we present a novel approach to detect P300 wave in single trial Visual Event Related Potential (VERP) signals using improved principal component analysis to enable a faster brain-computer interfa...

Pre-Service Teachers' Reading Tendencies: Implications for Promoting Reading

Ali Fuat Arici — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.645.652

The purpose of this study was to examine Turkish pre-service teachers' reading tendencies. It specifically focused on to identify pre-service teachers' reading backgrounds and also to put forward the ...

The Advantages of PID Fuzzy Controllers Over The Conventional Types

Abdullah I. Al-Odienat — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.653.658

Fuzzy logic controllers (FLC's) have the following advantages over the conventional controllers: they are cheaper to develop, they cover a wider range of operating conditions, and they are more readil...

Performance Comparison of Two On-demand Routing Protocols for Ad-hoc Networks based on Random Way Point Mobility Model

Geetha Jayakumar — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.659.664

Ad hoc networks are characterized by multihop wireless connectivity, frequently changing network topology and the need for efficient dynamic routing protocols plays an important role. We compare the p...

A Novel Teletaction Control System for Detection of Human Pulse Wave with Applications in Teleoperations

Javad Dargahi — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.665.671

The design of a smart medical tool that can detect the human pulse and transfer its data to a remote location is presented. The resulting control system can be used to detect the pulse wave of human o...

Effect of Processing on the Electrical Properties of Spray-Deposited SnO2:F Thin Films

Shadia J. Ikhmayies — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.672.677

Highly transparent SnO2:F thin films were produced by the Spray Pyrolysis (SP) technique to be used as forcontacts in the home made CdS/CdTe solar cells. Films of thickness 100-200 nm were prepared at...

Modeling of Signal Generation Function and Electron Penetration Effects on the EBIC Signal of Schottky diodes of Ge

Beggah Yamina — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.678.682

The present study shows that simple forms for the generation functions, if connected to appropriate electronic path (electron range), can be successfully used to describe the collection efficiency in ...

Volatility in Malaysian Stock Market: An Empirical Study Using Fractionally Integrated Approach

Chin Wen Cheong — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.683.688

This study explores the fractionally integrated (FI) time series analysis in Malaysian stock market. Four proxies of latent volatility, namely the absolute return, squared return and range-based (Park...

Gender Differences in the Usage and Attitudes toward the Internet among Student Teachers in a Public Malaysian University

Wong Su Luan — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.689.697

The problems of gender disparity in the usage and attitude towards the Internet have received considerable interest among researchers. Most findings have revealed that females are at a disadvantage c...

Policies to Enhance Water Sector in Jordan

Zeyad S. Tarawneh — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.698.704

We suggested general polices that can be implemented to improve the sustainability and serviceability of the water sector in Jordan. It is suggested that water legislations in Jordan need to be update...

Vulnerability Assessment of Power System Using Radial Basis Function Neural Network and a New Feature Extraction Method

Ahmed M.A. Haidar — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.705.713

Vulnerability assessment in power systems is important so as to determine how vulnerable a power system in case of any unforeseen catastrophic events. This paper presents the application of Radial Bas...

Isolated Malay Digit Recognition Using Pattern Recognition Fusion of Dynamic Time Warping and Hidden Markov Models

S.A.R. Al-Haddad — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.714.720

This paper is presents a pattern recognition fusion method for isolated Malay digit recognition using Dynamic Time Warping (DTW) and Hidden Markov Model (HMM). The aim of the project is to increase th...

Microstructural Study of Al-Si-Mg Alloy Reinforced with Stainless Steel Wires Composite via Casting Technique

Mazlee Mohd. Noor — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.721.725

The microstructural study of Al-Si-Mg alloy reinforced with stainless steel wires (Al-Si-Mg/SSw) has been investigated and focused on the both microstructures in the matrix and near to the...

Optimized Set of RST Moment Invariants

Khalid M. Hosny — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.726.735

Moment invariants are widely used in image processing, pattern recognition and computer vision. Several methods and algorithms have been proposed for fast and efficient calculation of moment's invaria...

Characterization of Boron Carbonitride (BCN) Thin Films Deposited by Radiofrequency and Microwave Plasma Enhanced Chemical Vapor Deposition

M.A. Mannan — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.736.741

Boron carbonitride (BCN) thin films with a thickness of ~4 µm were synthesized on Si (100) substrate by radiofrequency and microwave plasma enhanced chemical vapor deposition using trimethylamine bor...

Lipid Profile of Gymnasts of the Jordan National Team

Ahmad Bani Ata — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.742.746

This study was carried out to assess the lipid pattern in gymnasts of the Jordan National Team. Twelve athletes represent the National gymnastic team (4 males and 8 females, mean age 18±1 year) were ...

Hepatitis B Vaccination Coverage Among Iranian Medical Students and Nursing Staff

Seddiqe Amini-Ranjbar — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.747.749

After elapsing more than a decade since the beginning of hepatitis B vaccination program in Iran, this study was designed to investigate the level of hepatitis B vaccination coverage in medical studen...

Transition Metal Complexes of Derivatized Chiral Dihydro-1,2,4-triazin-6-ones. Template Synthesis of Nickel(II) Tetraaza-(4N-M) Complexes Incorporating the Triazinone Moiety

Ahmad S. Abushamleh — 2008-06-30

American Journal of Applied Sciences, Published online: 30 June 2008; doi:10.3844/ajassp.2008.750.754

Template reactions of (L)-3-acetyl-5-methyl-1-phenyl-4,5-dihydro-1,2,4-triazine-6- one (8a) or (L)-3-acetyl-5-benzyl-1-phenyl-4,5-dihydro-1,2,4-triazine-6-one (8b) with nickel(II) acetate in the prese...