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Journal Cover International Journal of Physical Sciences
  [SJR: 0.15]   [H-I: 17]   [0 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 1992-1950
   Published by Academic Journals Homepage  [108 journals]
  • The thermal behaviour of gases under the influence of infrared-radiation

    • Abstract: In contrast to the usual spectroscopic methods, the temperature of a gas embedded in a tube was measured here and not the intensity loss of the radiation. In order to minimize the interference by the tube, light-weight building materials were used, preferably Styrofoam, transparent plastic foils and aluminium foils. Sunlight as well as infrared (IR)-bulbs was employed as radiation sources, w...
      PubDate: Tue, 16 Aug 2016 00:00:00 +010
       
  • The third fundamental interaction of atoms

    • Abstract: It is shown that the existence of fundamental interactions cannot explain the chemical covalent bond. The existence of a new (hitherto unknown) fundamental interaction of atoms-internuclear attraction, which adequately interprets the chemical covalent bonding was proposed. Key words: Fundamental interaction, chemical covalent bonding, internuclear attraction.
      PubDate: Tue, 16 Aug 2016 00:00:00 +010
       
  • Measurement of natural radioactivity in selected samples of medical plants
           in Iraq

    • Abstract: In present study, natural levels of radiation in some selected medical plants existing in the Iraqi stores were estimated to determine any activity concentration, radium equivalent and internal hazard index due to radionuclide, of 238U, 232Th as well as 40K, which occurs naturally. This activity concentration was identified by gamma-ray spectroscopy (NaI(Tl)). The findings indicate that, the...
      PubDate: Sat, 30 Jul 2016 00:00:00 +010
       
  • Development of an identity management system for a web proxy server in a
           tertiary institution using anonymity technology

    • Abstract: The inability of a region to access a webpage, because of the ban being placed on users from that region as a result of its location policy, has led to this study. This problem is often solved by anonymizing web traffic by using The Onion Router (TOR). These tools, however, suffer from the problem of exposure of identity and also lack the ability to monitor web users. This study describes in...
      PubDate: Sat, 16 Jul 2016 00:00:00 +010
       
  • Light source estimation using feature points from specular highlights and
           cast shadows

    • Abstract: A method for light sources estimation is proposed in this paper. The method utilizes feature points in cast shadows to estimate near light source positions from estimated source directions using specular highlights. There are several methods that can be used to estimate light sources from scene images, using either cast shadows or specular highlights. However, most of them are limited to dir...
      PubDate: Sat, 16 Jul 2016 00:00:00 +010
       
  • Geometric phases for two-mode squeezed vacuum state

    • Abstract: Although the geometric phase for one-mode squeezed state had been studied in detail, the counterpart for two-mode squeezed state is vacant. In this paper, we aim at the special case, namely, two-mode squeezed vacuum state. Furthermore, the total phase factor is to be written in an elegant form, which is just identical to one term of product of two squeezed operators. In addition, when this s...
      PubDate: Thu, 30 Jun 2016 00:00:00 +010
       
  • Preliminary structural evaluation of an X-Field Onshore Niger Delta using
           3D seismic data

    • Abstract: A structural evaluation of a post stack time migrated (PSTM) 3D seismic data over an XField in the eastern Niger Delta has been attempted. The objective of the study is to structurally evaluate the field with a view to identifying structural features such as faults, map geologic horizons and analyze reflection characteristics that might be a good lead to probable hydrocarbon accumulations. R...
      PubDate: Thu, 30 Jun 2016 00:00:00 +010
       
  • Matter-antimatter models in cosmic and biologic systems

    • Abstract: The leading theories suggest that in the first fractions of the second following the Big Bang, equal amounts of matter and antimatter were formed, and annihilated. Therefore, theasymmetry of matter and antimatter, and formation of the visible universeis one of the major unsolved problems in physics. Surprisingly, when the major characteristics of the cosmic matter- antimatter interactions, w...
      PubDate: Thu, 16 Jun 2016 00:00:00 +010
       
  • Determination of the characteristic parameters for the modified
           Bessel-Gauss beams

    • Abstract: Some characteristic parameters of the Bessel- Gaussian beam were determined theoretically by direct analytical calculations. Variation of the final beam radius () with the starting beam radius (o) was studied. The Rayleigh range of a Bessel-Gauss beam was calculated for each value of the minimum starting beam radius. The beam wavefront radius of curvature (R) was calculated as a function of ...
      PubDate: Thu, 16 Jun 2016 00:00:00 +010
       
  • Direct method for solving nonlinear strain wave equation in microstructure
           solids

    • Abstract: The modeling of wave propagation in microstructure materials should be able to account for the various scales of microstructure. In this paper, the extended trial equation method was modified to construct the traveling wave solutions of the strain wave equation in microstructure solid. Some new different kinds of traveling wave solutions was gotten as, hyperbolic functions, trigonometric fun...
      PubDate: Mon, 30 May 2016 00:00:00 +010
       
 
 
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