Volume 1, Issue 1 (2010) | Physics International

Studies of the Terrestrial outdoor Gamma Dose Rate Levels in Ogun-Osun River Basins Development Authority Headquarters, Abeokuta, Nigeria

I.C. Okeyode — 2010-03-30

Physics International, Published online: 30 March 2010; doi:10.3844/pisp.2010.1.8

Problem statement: The natural radioactivity levels in the soils of Ogun-Osun River Basins Development Authority Headquarters, (O-ORBDA HQ) Abeokuta, South-Western part of Nigeria were measured. Appro...

Distribution and Determining of Urban Sprawl in Kerman with Emphasis on Kariz Water System

Ali Hosseini — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.9.15

Problem statement: Urban sprawl is one of the contemporary issues of cities all over the world. The Kariz system consists of underground channels that convey water from aquifers in highlands to the su...

Cohesiveness and Flowability Properties of Silica Gel Powder

E.C. Abdullah — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.16.21

Problem statement: The measurement of powder flowability is a major concern for most industrial processes that deal with the handling of bulk solids as raw materials, intermediates, or products. Appro...

The Effects of Fatigue and Chronic Ankle Instability on Dynamic Postural Control

Seyed Hossein Hosseinimehr — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.22.26

Problem statement: The proprioception information is a prerequisite for balance, body's navigation system and the movement coordinator. The aim of this study was to investigate the effects of fatigue ...

The Influence of pH on Nonlinear Refractive Index of Bromophenol Blue

F.Z. Henari — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.27.30

Problem statement: Bromophenol blue is a pH indicator, a kind of chemical that changes colour when pH goes up or down over a narrow linear dynamic range of 3.0-4.6 pH units. Therefore a good approach ...

Characteristics of Compound Multiplicity in ²⁴Mg with Emulsion at 4.5 A GeV/c

A. Abd El-Daiem — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.31.37

Problem statement: The interactions of 24Mg at 4.5A GeV/c with an emulsion can reveal some compound multiplicity characteristics. Approach: Furthermore, the number of grey and shower particles taken t...

Numerical Solution of the Taylor-Quette Flow Problem: A Commodious Statistical Approach

Ayoob Karimi — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.38.44

Problem statement: The main problem in solving of the Boltzmann equation by statistical methods is its long computational time (CPU time). The problem of decreasing of CPU time usage in statistical so...

Features Study on Target Fragmentation in the Collisions Of ²⁴Mg and ²⁸Si with Emulsion Nuclei at 3.7A GeV

A. Abd EL-Daiem — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.45.52

Problem statement: The process of nuclear fragmentation in interactions of 3.7A GeV 24Mg and 28Si nuclei with the different target nuclei in a nuclear emulsion have been investigated. Approach: The pr...

Michelson-Morley Experiment another Assessment

Koorosh Shahdaei — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.53.56

Problem statement: Ehrenfest paradox may be the most basic phenomenon in relativity that has a long history marked by controversy, which still gets different interpretations by researches. This assess...

Quantum Mechanical Calculation of the Optical Absorption of Silver and Gold Nanoparticles by Density Functional Theory

Elham Gharibshahi — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.57.64

Problem statement: Metal nanoparticles confine the motion of conduction electrons and exhibit a strong optical absorption of electromagnetic radiation in the UV-vis-NIR region. The absorption is class...

The Eclipsing X-Ray Binary System Centaurus X-3

Omar Al-Banawi — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.65.68

Problem statement: We present new physical and geometrical elements for the eclipsing X-ray binary system Krzemenski's star (Centaurus X-3). Approach: In this study, the procedure depended on getting ...

Freshwater Situation in Kuwait-Remote Sensing Inputs on Possibility of Artificial Recharge

M. Al-Murad — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.69.76

Problem statement: Kuwait is an arid country having per capita freshwater consumption of 485 l day-1. Almost the entire freshwater requirements are met through desalination. The water tariffs in the c...

Uninterruptible Power Supply Using Solar Rechargeable Battery

J.C. Osuwa — 2010-03-31

Physics International, Published online: 31 March 2010; doi:10.3844/pisp.2010.77.82

Problem statement: A 600 watts Uninterruptible Power Supply (UPS) that consists of an inverter operated with solar rechargeable battery has been constructed and characterized. Approach: An inverter of...