Volume 5, Issue 12 (2008) | American Journal of Applied Sciences

Mining Fuzzy Weighted Browsing Patterns from Time Duration and with Linguistic Thresholds

Tzung-Pei Hong — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1611.1621

World-wide-web applications have grown very rapidly and have made a significant impact on computer systems. Among them, web browsing for useful information may be most commonly seen. Due to its tremen...

Secured Requirement Specification Framework (^SRSF)

R.A. Khan — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1622.1629

Generally, software engineers are poorly trained to elicit, analyze and specify security requirements, often confusing them with the architectural security mechanisms that are traditionally used to fu...

A Non-Exchanged Password Scheme for Password-Based Authentication in Client-Server Systems

Shakir M. Hussain — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1630.1634

The password-based authentication is widely used in client-server systems. This research presents a non-exchanged password scheme for password-based authentication. This scheme constructs a Digital Si...

Using Both a Probabilistic Evolutionary Graph and the Evidence Theory for Color Scene Analysis

Nassim Ammour — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1635.1641

In this research, we introduce a new color images segmentation algorithm. The color scene analytic method is based on the progress of a probabilistic evolutionary graph. The strategy consists in makin...

Real Time Implementation of NARMA-L2 Control of a Single Link Manipulator

S.S. Mokri — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1642.1649

Nonlinearities and parametric uncertainties are unavoidable problems faced in controlling robot manipulator. A single link manipulator driven by a permanent magnet brushed dc motor is a nonlinear dyna...

Characterization and Wash Performance Analysis of Microbial Extracellular Enzymes from East Calcutta Wetland in India

Ramesh Malathu — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1650.1661

Extracellular protease from a novel bacterial isolate showing maximum similarity of 98.22% with Microbacterium luteolum was obtained from East Calcutta Wetland, India. It showed compatibility with com...

Random Graph Generation Based p-Method and Box Method for the Evaluation of Power-Aware Routing Protocols of Ad hoc Networks

Saleh H. Al-Sharaeh — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1662.1669

The objective of this paper is to investigate the best solution such that on which decision should be made to forward a wireless packet. The decision should be made in such a way to keep the node aliv...

Power Enhancement of Weightlifters during Snatch through Reducing Torque on Joints by Particle Swarm Optimization

Firooz Salaami — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1670.1675

In this research, an athlete's body on sagittal plane in tension phase of snatch weightlifting has been modeled in two dimensions for calculating the generated torques in joints. The error back propag...

Fostering ICT Development for Growth: Measuring the Payoffs for Australia and the Asean-5 Countries

Mudiarasan Kuppusamy — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1676.1685

Over the past few decades the brisk development of information and communication technologies (ICT) has had a phenomenal impact on the economic stability and development of many countries. Empirical s...

Sensitivity Analysis of an Optimal Access Road Location in HillyForest Area: A GIS Approach

Mohd I. Hasmadi — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1686.1692

There are various models for establishing the efficient forest road allocation and evaluating optimum density of forest roads network for the transport of timber commodity. Most of them are based on t...

Computational Investigation of Elastoplastic Deformation of a Sandwich Beam on the Elastic Foundation

Moh’d Ishaq Abu Halawa — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1693.1700

Elastoplastic bending of a sandwich beam with a rigid compressible filler on an elastic base has been studied. To describe kinematics of asymmetrical across thickness pack in the bearing layers the Be...

Comparison between Brain Tissue Gray and White Matters in Tension Including Necking Phenomenon

Sina Mehdizadeh — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1701.1706

Characterizing the differences between the mechanical properties of brain tissue gray and white matters is of importance in biomechanics of brain tissue and may find a variety of different application...

Geochemistry of Sediment in the Major Estuarine Mangrove Forest of Terengganu Region, Malaysia

B.Y. Kamaruzzaman — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1707.1712

Surface sediments collected from seven estuarine mangrove forests of Terengganu region (100 sampling points) were anaylzed for Pb, Cu and Zn using the sensitive Inductively Coupled Plasma Mass Spectro...

Economic Sanctions, Oil Price Fluctuations and Employment: New Empirical Evidence from Libya

Abdusalam Faraj Yahia — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1713.1719

This research attempts to examine the links between fluctuating oil prices, economic sanctions and the employment in the Libyan economy. In particular, this study attempts to answer the basic question...

A Decision Support Approach for the Sustainable Transfer of Energy Technologies under the Kyoto Protocol

Charikleia Karakosta — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1720.1729

Theoretically, the Clean Development Mechanism (CDM) was introduced in the Kyoto Protocol at COP-3 in December 1997 and has officially been operational since the year 2000, in order to assist the tech...

A New System to Analyze Pulsatile Flow Characteristics in Elastic Tubes for Hemodynamic Applications

Afshin Anssari-Benam — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1730.1736

In this research, we present a new designed experimental setup for study of characteristics of pulsatile flow in elastic tubes, aiming to simulate arterial blood flow. This system includes four major ...

Quality Evaluation Techniques of Processing the ECG Signal

Mikhled Alfaouri — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1737.1741

In this research, methods to detect and evaluate the main parameters of the ECG signal are presented in order to improve its clinical properties. Two techniques are addressed in this research, Piecewi...

Modeling and Simulation of Projects with Petri Nets

S. Kumanan — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1742.1749

Traditional project management tools and other revised tools are limited in representation of the problem and in dealing situation dynamically. This paper details the use of Petri nets as a graphical ...

A Note on the Bivariate Lagrange Interpolation Polynomials

Dan Bărbosu — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1750.1753

The focus of the research is to obtain reccurence formulas for the bivariate Lagrange interpolation polynomials, similar to the reccurence formulas verified by the univariate Lagrange interpolation po...

Computing Wiener and Schultz Indices of HAC₅C₇ [p, q] Nanotube by GAP Program

Ali Iranmanesh — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1754.1757

In this research, we give a GAP program for computing the Wiener and the Schultz indices of any graph. In addition, we compute the Wiener and the Schultz of HAC5C7 [p, q] nanotube by this program.

Simulation of Parallel Logical Operations with Biomolecular Computing

Mahnaz Kadkhoda — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1758.1763

Biomolecular computing is the computational method that uses the potential of DNA as a parallel computing device. DNA computing can be used to solve NP-complete problems. An appropriate application of...

Models for Mixed Ensemble of Hydrometeors and their Use in Calculating the Total Random Cross Section of a Resolution Volume Filled by Random Scatterers

Ayman Al-Lawama — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1764.1768

Flight safety is of a major concern in aircrafts since the beginning of air traffic. One of the problems threatening the safety is the in-flight icing of the aircraft. This research deals with a probl...

Thermal Energy Storage in the Ground of a Greenhouse by the Polypropylene Capillary Heat Exchanger

M. Lazâar — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1769.1772

The problem of temperature inversion is one of solar origin principal problems about which the cultures under shelters complain. Indeed, for the winter period, the temperature under greenhouse is very...

Numerical Comparison of Thermal Stratification due Natural Convection in Densified LO_X, LN₂ Tanks

Seyed Ali Jazayeri — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1773.1779

The growth of natural circulation and thermal stratification inside LOX, LN2 storage tanks due to heat transfer from surroundings is investigated using a non-equilibrium, two-domain, mathematical mode...

Design of UPFC Controller Using Modified Bilinear Equation for Improving Transient Stability

Majid Nayeripour — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1780.1786

Based on the use of the modified bilinear equation for the unified power flow controller (UPFC), this paper proposes a new control strategy to improve the transient stability of power system. This con...

Designing for Comfort and Reliability in an Intelligent Car Seat

D.A. Wahab — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1787.1792

Today, intelligent safety systems are installed in modern cars in view of minimising road hazards. An intelligent air bag system for example, comprised several subsystems that are integrated to includ...

Nonlinear Behavior of Single Piles in Jacket Type Offshore Platforms Using Incremental Dynamic Analysis

Mohammad Amin Assareh — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1793.1803

The operation for offshore oil has become an important issue in the recent years. Offshore platforms are some of those structures which are built to withstand environmental and accidental loads duri...

Small Size and Dual Band of a Quadratic Koch Dipole Fractal Antenna Design

Fawwaz J. Jibrael — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1804.1807

The performance and analysis of a small size, low profile and dual band quadratic Koch curve dipole antenna was introduced. The proposed antenna design, analysis and characterization had been performe...

Density Equation of Bio-Coal Briquettes and Quantity of Maize Cob in Phitsanulok, Thailand

Patomsok Wilaipon — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1808.1811

One of the most important crops in Phitsanulok, a province in Northern Thailand, is maize. Base on the calculation, the quantity of maize cob produced in this region was approximately 220 kt...

Simple Method of Purifying Humic Acids Isolated from Tropical Hemists (Peat Soil)

Susilawati Kasim — 2008-12-31

American Journal of Applied Sciences, Published online: 31 December 2008; doi:10.3844/ajassp.2008.1812.1815

The objectives of this study were: To investigate whether a purification period of HA isolated from Hemists peat soils could be reduced and to investigate whether distilled water could be used to puri...