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Research ArticleOpen accessIn the abstractHardware Design of Wireless Physical Token Ring System for Mobile and Cell CommunicationNidal F. Shilbayeh, Mahmoud Z. IskandaraniA 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 utilizing the concept of a token ring network but with a higher efficiency related to the speed of data transfer and the ability to parallel process client-server requests leading to a … …American Journal of Applied Sciences, Vol. 1, Issue 3 · 30 Sep 2004 · 6,792 accessesView PDFCite
Research ArticleOpen accessIn the abstractImproving Fund Risk Management by Using New Software Tools TechnologyStephanos Papadamou, George StephanidesThis paper introduces a new MATLAB-based toolbox for Computer Aided mutual fund risk evaluation. In the age of computerized trading, financial services companies and independent investors must quickly investigate fund investment style and market risk. The Fund Risk toolbox is a financial software that includes a set of functions based on value at risk (VaR) and expected tail loss (ETL) … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 6,821 accessesView PDFCite
Research ArticleOpen accessIn the abstractRobust Outlier Detection in Linear RegressionNethal K. Jajo, Xizhi WuNew methodology of robust outlier detection based on Robustly Studentized Robust Residuals (RSRR) examination is well established in linear regression analysis. Two new robust location estimators of linear regression parameters are developed in simple and multiple cases. Based on these robust estimators we obtain RSRR. We used RSRR to derive a new measure of distance to be used in outlier … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 6,939 accessesView PDFCite
Research ArticleOpen accessIn the abstractQuality Control of Coffee Using an Electronic Nose SystemNidal F. Shilbayeh, Mahmoud Z. IskandaraniAn electronic nose system for quality control of coffee is designed and tested. The system uses the Figaro TGS800 series sensors with an integrated heating element. The testing of the system is carried out using different types of coffee where it is proved successful in classifying the tested coffees and actual discrimination of ingredients into different classes[10]. Database based software … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,544 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Causal Relationship between Inflation and Productivity: An Empirical Approach for RomaniaNikolaos DritsakisThis study attempts to analyze the relationship between the productivity and the inflation of a transition country of the European Union as Romania. For this purpose we use quarterly data since 1990: IV in 2003: I and the causality analysis, which is based on an error correction model. The results of the empirical analysis showed that there is a causal … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,096 accessesView PDFCite
Research ArticleOpen accessIn the abstractExplicit Finite Difference Solution of Heat Transfer Problems of Fish Packages in PrecoolingA. S. Mokhtar, K. A. Abbas, M.M.H. Megat Ahmad et al.The present work aims at finding an optimized explicit finite difference scheme for the solution of problems involving pure heat transfer from the surfaces of Pangasius Sutchi fish samples suddenly exposed to a cooling environment. Regular shaped packages in the form of an infinite slab were considered and a generalized mathematical model was written in dimensionless form. An accurate sample … …American Journal of Applied Sciences, Vol. 1, Issue 2 · 30 Jun 2004 · 7,166 accessesView PDFCite
Research ArticleOpen accessIn the abstractRevisiting the Unit Root Hypothesis and Structural Break: Asia and Emerging Economies Foreign Exchange MarketsChristopher Gan, Sirimon Treepongkaruna, Hue Hwa Au YongThis study examines the stationary of ten Asian and for emerging Foreign Exchange (FX) rates during the 1990s. The paper employs the Augmented Dickey-Fuller (ADF) unit root test to the following FX rates: Hong Kong Dollar (HKD) Japanese Yen (JPY), South Korean won (KRW) new Taiwan dollar (TWN), Chinese Renminbl (CHR), Indonesia Rupiah (IDR), Malaysian Ringgit (MYR), Singapore Dollar (SGD), … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 6,954 accessesView PDFCite
Research ArticleOpen accessIn the abstractSmall Business Critical Success/Failure Factors In Developing Economies: Some Evidences From BotswanaZelealem T. Temtime, J. PansiriAlthough the discovery of diamond has propelled Botswana from one of the poorest countries in 1966 to its current economic status as a middle-income country, the country still faces the problems of economic diversification, employment creation, income generation and distribution and poverty alleviation. Governmental and non- Governmental organizations have put many efforts on the development of small and medium Enterprises … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 9,324 accessesView PDFCite
Research ArticleOpen accessIn the abstractSurface Roughness Prediction Model in Machining of Carbon Steel by PCD Coated Cutting ToolsYusuf Sahin, A. Riza MotorcuThe surface roughness model in the turning of AISI 1040 carbon steel was developed in terms of cutting speed, feed rate and depth of cut using response surface methodology. Machining tests were carried out using PVD-coated tools under different cutting conditions. The surface roughness equations of cutting tools when machining the carbon steels were achieved by using the experimental data. … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 7,968 accessesView PDFCite