Volume 2, Issue 8 (2005) | American Journal of Applied Sciences

The Physics of Tsunami: Basic understanding of the Indian Ocean disaster

M. N.A. Halif — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1188.1193

This study gives a simple physics explanation behind the Indian Ocean earthquake, called December 26th‘s Tsunami. The explanation based on physics energy conservation and wave properties have been u...

Conservation of “Partial Vorticity” with Application on Hydraulic Jumps

Harald Naeser — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1194.1197

In two preceding works, the idea of partial conservation theorems was introduced and conservation equations for partial energy and partial angular momentum were established. A similar conservation the...

An Analysis of Credit Scoring for Agricultural Loans in Thailand

Visit Limsombunchai — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1198.1205

Loan contract performance determines the profitability and stability of the financial institutions and screening the loan applications is a key process in minimizing credit risk. Before making any cre...

A Quasi One-dimensional Simulation of a 4 Stroke Spark Ignition Hydrogen Fuelled Engine

T. F. Yusaf — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1206.1212

Active research and development of hydrogen-fuelled engine had been done for a few decades since hydrogen serves as a potential of infinite fuel supply. This paper discussed analytically and provides ...

Periodic Review Probabilistic Multi-Item Inventory System with Zero Lead Time under Constraints and Varying Order Cost

Hala A. Fergany — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1213.1217

This study treats the probabilistic safety stock n-items inventory system having varying order cost and zero lead-time subject to two linear constraints. The expected total cost is composed of three c...

Measuring the Function Points for Migration Project: A Case Study

K. Mustafa — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1218.1221

In this study, we extend the study of Function Point Analysis (FPA) for the measurement of source code based migration project using the migration tooling options. FPA is an objective and structured t...

Force Prediction Model for Milling 618 Stainless Steel Using Response Surface Methodology

K. Kadirgama — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1222.1227

This paper describes the development of a response model (cutting force) for milling 618 stainless steel utilizing response surface methodology. The cutting force model is developed in terms of cuttin...

Demonstration of Optical Phase-conjugation in Methyl Green Dye-doped Thin Film

T. Geethakrishnan — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1228.1231

Optical Phase-Conjugation (OPC) has been observed in Methyl Green (MG) dye sensitized gelatin films in Degenerate Four-Wave Mixing (DFWM) configuration at 633 nm radiation from a He-Ne laser of total ...

Key Exchange Protocol in Elliptic Curve Cryptography with No Public Point

K. Kaabneh — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1232.1235

In recent years some cryptographic algorithms have gained popularity due to properties that make them suitable for use in constrained environment like mobile information appliances, where computing re...

Sewage Treatment Plant Sludge: A Source of Potential Microorganism for Citric Acid Production

Parveen Jamal — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1236.1239

This research emphasizes on the utilization of Sewage Treatment Plant (STP) sludge, which is an inexpensive and easily available raw material and a good source for growth of microorganisms because it ...

On the Stability of a Certain Class of Linear Time-Varying Systems

M. De la Sen — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1240.1245

This study firstly considers the exponential stability of unforced linear systems of slowly time-varying dynamics. Possible switchings of the system structure to unstable dynamics during certain finit...

Evaluation of Electricity Product by Increasing Water Volume During Freezing

A. Arab — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1246.1247

Electricity production process by the use of water expansion during freezing. By use of a closed volume such as piston and cylinder. The volume increase of ice could be transformed linearly and cause ...

The Effects of Crosslinker and Monomer to the Polymerization of Polymethacrylamide Gel Dosimeters by Direct and Indirect Methods

Elias Saion — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1248.1255

Radiation-induced polymerization in Polymethacrylamide Gels (PMAAGs) potentially used for 3D dose verification in radiotherapy has been studied using both Raman spectroscopy and Nuclear Magnetic Reson...

ICT based Sustainable Rural Business Opportunities in Developing Countries: A Wireless-Networked RCP-RAP Approach

Md. Abdur Rahman — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1256.1260

Information and Communication Technology (ICT) is gaining much research attention in present times especially for its ability towards poverty alleviation. In this study the prospect of rural business ...

Simulation and Visualization of Safing Sensor

Khaled M. Furati — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1261.1265

Numerical simulations of Maxwell’s equations have attracted attention of several mathematicians and engineers in the recent past. Such solutions are required for proper understanding of industrial p...

Optical Characterization of Lead-Bismuth Phosphate Glasses

H. A.A. Sidek — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1266.1269

Systematic series of lead-bismuth phosphate glasses, where PbO, Bi2O3 and P2O5 content change for every series based on their weight percentage have been prepared. The optical properties were measured...

Large Eddy Simulation of an Ammonia Jet

M. Salinas-Vazquez — 2005-08-31

American Journal of Applied Sciences, Published online: 31 August 2005; doi:10.3844/ajassp.2005.1270.1273

A compressible jet flow of ammonia was studied through a series of Large Eddy Simulations. Simulations were focused in the zone where the inertial effects are much bigger than the gravitational ones. ...