Volume 1, Issue 3 (2004) | American Journal of Applied Sciences

Thermal Energy Loss in the Steam Valves and its Effects

Galip Temir — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.155.159

In this study, the effects of thermal losses in steam valves for flow have been analyzed. In a set of experiment built to achieve this, pressure and condensate values have been calculated in different...

Malaysian Service Sectors Adopt FEDI to Boost Exports and Imports

Saravanan Muthaiyah — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.160.167

Financial Electronic Data Interchange (FEDI) refers to making cash payments electronically rather than utilizing any form of traditional payment methods such as physical checks. The merger of two uniq...

An Investigation of the Nature Properties of Plasma

Peter Evans — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.168.175

This study presents the characteristics of the plasma and the effect of the laser beam to best suit the plasma model behavior. Special attention is paid to the “Genuine” Two Fluid Model and the po...

Hardware Design of Wireless Physical Token Ring System for Mobile and Cell Communication

Nidal F. Shilbayeh — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.176.183

A wireless network system based on an infrared and Laser scanning Physical Token Ring architecture (W-PTRS) was designed, built and tested successfully. The network provides a different way of utilizi...

The Impact of the TENs Program on the Greek Economy

Paris Tsachouridis — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.184.189

This is a short survey of the impact of the Trans-European Program on the Greek economy. Greece is a predominantly mountainous country and as such has never developed a dense transportation network gr...

A Simple Scheme for Improved Performance of Fixed Outage Rate Cellular System

Hussein M.Aziz Basi — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.190.192

The traffic characteristic of mobile cellular systems is rather distinct from that of a fixed telephone network. However the system planning and design are still carried out with the tools of conventi...

House Price Prediction: Hedonic Price Model vs. Artificial Neural Network

Visit Limsombunchai — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.193.201

The objective of this study is to empirically compare the predictive power of the hedonic model with an artificial neural network model for house price prediction. A sample of 200 houses in Christchur...

From a Vicious Circle of Anxiety to a Virtuous Circle of Learning: Experience of Teaching Statistics to a Heterogeneous Clientele

Mohammad Alauddin — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.202.208

A considerable body of literature suggests that significant psychological barrier and anxiety characterize the teaching and learning process in statistics. This study investigates the incidence of sta...

Depth Estimation of 2-D Magnetic Anomalous Sources by Using Euler Deconvolution Method

M. G.E. Dawi — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.209.214

Euler deconvolution method is the method of depth estimation which is best suited for anomalies caused by isolating and multiple anomalous sources. In the present study, algorithmic programs based on ...

Development of Growth Medium for _{Centella Asiatica} Cell Culture Via Response Surface Methodology

Rozita Omar — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.215.219

The effects of sucrose, Indole-3-Acetic Acid (IAA) and 6-BenzylAminoPurine (BAP) concentrations on cell growth of Centella asiatica cell suspension culture were studied. The concentrations were design...

A Computable General Equilibrium Model of Southern Region in Taiwan: The Impact of the Tainan Science-Based Industrial Park

Chun-Chu Liu — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.220.224

The primary modeling tools used to analyze regional economic issues include econometric forecasting models, fixed price Input-Output (I-O) multi-sector models, Social Accounting Matrix (SAM) and Compu...

Civil Liberties and Computer Monitoring

Kevin Curran — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.225.229

Civil Liberties-the term used for the fundamental liberties and rights of a country's citizen is the right of free speech, thought and action. This is the fundamental building block of a democratic so...

A Causal Relationship between Trade, Foreign Direct Investment and Economic Growth in Greece

Melina Dritsaki — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.230.235

This study investigates the relationship between Trade, Foreign Direct Investment (FDI) and economic growth in Greece over the period 1960-2002. The cointegration analysis suggested that there is a lo...

Study of Cutoff Frequency of High Collector Current Density in SiGe Single-Heterojunction Bipolar Transistor

G. M. Khanduri — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.236.239

The cutoff frequency performance of an NPN Si/SiGe/SiGe Single-heterojunction bipolar transistor (SiGe SHBT) at high collector current densities has been analyzed using a 2-dimensional MEDICI device s...

Production of a New Model for Evaluation of Iran Ecological Capabilities in Order to Establish Services and Civil Development Application

J. Nouri — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.240.247

This study is aimed to design a new model for service and civil development application in order to be used in evaluation of Iran ecological capability studies. For this purpose in the first step, the...

Links between Dynamic Physical Systems and Operator Theory Issues Concerning Energy Balances and Stability

M. D.L. Sen — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.248.254

This study relates the properties of operators with the well- known concepts of positive realness and passivity properties in dynamic systems and their associate transfer functions. Those concepts tog...

On a Loss of Information in a Transition from Quantum to a Quasi-Classical Regime

Alex Granik — 2004-09-30

American Journal of Applied Sciences, Published online: 30 September 2004; doi:10.3844/ajassp.2004.255.257

By defining information entropy in terms of the probability density |ψ|2 (ψ is a wave function in the coordinate representation) it is explicitly shown how a loss of quantum information occurs in a ...