Volume 4, Issue 4 (2007) | American Journal of Applied Sciences

An Overview of Modified Shanks’ Conjecture and Comments on its Validity

N. Gangatharan — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.184.187

This study reports the validity of the modified Shanks’ conjecture on the planar least squares inverse (PLSI) method of stabilizing two-dimensional (2-D) recursive digital filters. A theoretical pro...

International Economic Relations and Information Communication Technologies (ICT) Use: Economic Globalization via Economic Digitalization

Athanasios I. Bozinis — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.188.191

The definition of globalization refers to the unification of the countries international economies, as an even system distinctive for its intense mutual reliant association. Globalization does not dem...

Income Distribution and Health Status: Econometric Evidence from OECD Countries

Vasudeva N.R. Murthy — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.192.196

This research note, using a cross-sectional sample consisting of 27 Organization for Economic Co-operation and Development countries (OECD) for the reference year 2002, empirically examines the relati...

Crack Analysis of Concrete Arch Dams Using Micro-Planes Damage Based Constitutive Relations

M. Labibzadeh — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.197.202

Among the various numerical simulating models of plane concrete, the micro-planes models have an excellent position. These models are not as complicated as microscopic models such as discrete particle...

Simulation of Aorta Artery Aneurysms Using Active Electronic Circuit

Kamran Hassani — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.203.210

The fusiform and saccular aneurysms in different aorta artery sections were studied using an electronic circuit of cardiovascular system. The geometrical model of each artery section including thoraci...

Characteristics of Nitrogen Removal from Old Landfill Leachate by Sequencing Batch Biofilm Reactor

Long Tengrui — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.211.214

Municipal landfill leachate is a high strength wastewater characterized by high concentrations of organics and ammonia and potentially containing toxic materials. The paper reports the results of a la...

Drying Parawood with Superheated Steam

Surachai Bovornsethanan — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.215.219

A superheated steam dryer (SSD) was used to dry the parawood. The average moisture content and temperatures in the dryer vs. elapsed drying time were experimentally investigated. It was found that the...

Fuzzy Anti-windup Schemes for NCTF Control of Point-to-point (PTP) Positioning Systems

Wahyudi — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.220.228

The positioning systems generally need a controller to achieve high accuracy, fast response and robustness. In addition, ease of controller design and simplicity of controller structure are very impor...

A Comparison Between the New and the Old Versions of Jordan Seismic Code

M.A. Musmar — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.229.232

The study comes as a vital step to shed120 light upon the purport of the recently published version of Jordan Seismic code (JSC), and how the drawbacks of the old version are surpassed. The new JSC c...

Thickness Analysis of Stone Mastic Asphalt (SMA) Slab Compacted Using a Newly Developed Roller Compactor

R. Muniandy — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.233.236

Pavement mix design procedures and specifications are usually derived from laboratory experiments. Therefore, laboratory experiments should be able to simulate to a high degree the conditions in the f...

Determination of Trivalent Aluminum and Divalent Zinc in Drinking Waters by Differential Pulse Stripping Voltammetry

Ahmed Hassan — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.245.250

A Sensitive and precise differential- pulse stripping voltammetric method at static mercury dropping electrode (SMDE) has been applied to measure zinc(II) by anodic stripping at pH~¼4 and aluminum(II...

Numerical Study of the Moving Boundary Problem During Melting Process in a Rectangular Cavity Heated from Below

Y. Jellouli — 2007-04-30

American Journal of Applied Sciences, Published online: 30 April 2007; doi:10.3844/ajassp.2007.251.256

We present an analysis of the melting process in Phase Change Materials (PCM) in a horizontal cavity heated from below, driven by the coupling of transient heat conduction in the solid phase and stead...