Volume 3, Issue 10 (2006) | American Journal of Applied Sciences

Effect of Magnetic Field on the Formation of Spin-polaron in Mn-Zn Ferrites

H. M.El Sayed — 2007-10-31

American Journal of Applied Sciences, Published online: 31 October 2007; doi:10.3844/ajassp.2006.2033.2036

The effect of magnetic field on the transport properties of Mn-Zn ferrite was studied. It was found that, the resistivity has an inverse relation with the applied magnetic field. This was attributed t...

Chaotic Attitude Tumbling of Satellite in Magnetic Field

Rashmi Bhardwaj — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2037.2041

In this study, the half width of the chaotic separatrix has been estimated by chrikov's criterion. Through surface of section method, it has been observed that the magnetic torque parameter, the eccen...

Modelling and Forecasting Volatility of Returns on the Ghana Stock Exchange Using Garch Models

Frimpong Joseph Magnus — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2042.2048

This paper models and forecasts volatility (conditional variance) on the Ghana Stock Exchange using a random walk (RW), GARCH(1,1), EGARCH(1,1), and TGARCH(1,1) models. The unique ‘three days a week...

A Novel Detection and Classification Algorithm for Power Quality Disturbances using Wavelets

C. Sharmeela — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2049.2053

This study presents a novel method to detect and classify power quality disturbances using wavelets. The proposed algorithm uses different wavelets each for a particular class of disturbance. The meth...

RETRACTED: Design Guidelines For Recycling AC Induction Motors

D. Ismail — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2054.2058

This article has been retracted at the request of the authors.

Informatics and Physics Models of Recognitions of DNA Replication and Their Biological Applications

Kang Cheng — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2059.2062

We initially propose concepts of Informative Intensity, Informative Response Intensity and Informative Flux, with different expressions. In a special expression of electrostatics, we describe Informat...

A Study of Residual Oils Recovered from Spent Bleaching Earth: Their Characteristics and Applications

Loh Soh Kheang — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2063.2067

This study described the extraction of residual oils of spent bleaching earth (SBE) from palm oil refining industry, the properties and applications of residual oils obtained there from. Residual oils...

The 2D Eulerian Approach of Entrained Flow and Temperature in a Biomass Stratified Downdraft Gasifier

A. Rogel — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2068.2075

This paper describes a “1-D+2-D” numerical model used to simulate the gasification of pine wood pellets in a stratified downdraft gasifier whereby Eulerian conservation equations are solved for pa...

Electrical Sterilization of Juice by Discharged HV Impulse Waveform

Hee Kyu Lee — 2006-10-31

American Journal of Applied Sciences, Published online: 31 October 2006; doi:10.3844/ajassp.2006.2076.2078

In the sterilization system by using HV impulse waveform, apple juice was sterilized with HV discharged oscillatory decay waveform. The optimal condition of impulse waveform for electrical sterilizati...