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Journal Cover International Journal of Physical Sciences
   Follow    
  This is an Open Access Journal Open Access journal
     ISSN (Print) 1992-1950
     Published by Academic Journals Homepage  [73 journals]
  • Internuclear forces: Physical and chemical reasons

    • Abstract: The arguments, obtained in favor of the hypothesis on internuclear interaction of atoms (offered by author in the preceding publication), are presented. It is proposed an interpretation of physical phenomenon Bragg peak, which is discovered 100 years ago but is not understood hitherto. An extremely simple and natural explanation of chemical covalent bond (which unlikely may be considered sat...
      PubDate: Wed, 30 Jul 2014 00:00:00 +010
       
  • Magnetohydrodynamics (MHD) boundary layer stagnation point flow with
           

    • Abstract: This paper is an investigation of the effects of chemical reaction on two dimensional steady stagnation point flow of an electrically conducting, incompressible, and viscous fluid with radiation towards a heated shrinking porous surface. A chemically reactive species is emitted from the vertical surface into the flow field. The governing partial differential equations are solved using the Ne...
      PubDate: Wed, 30 Jul 2014 00:00:00 +010
       
  • Optimal transformer allocation in electrical distribution using genetic
           algorithm

    • Abstract: The optimization of transformers allocation is a major challenge to the operators of electrical energy distribution in several developing countries. In this research, a Generic Algorithm model for the optimization of transformer allocation in electrical distribution networks is developed. The algorithm employed the principles of selection, crossover and mutation to allocate transformers of d...
      PubDate: Wed, 30 Jul 2014 00:00:00 +010
       
  • Optical observation of streamer propagation and breakdown in seed based
           insulating oil under impulse voltages

    • Abstract: Increasing demand of electricity and high consumption of natural fuel resources has raised countless challenges for the electricity industry. For years, transformers were equipped with mineral oil for better and lasting performance but the recent uncertainty about the future of oil availability is motivating the researchers to find out the “Green Insulating Oils” for transformers. Thus, gree...
      PubDate: Wed, 16 Jul 2014 00:00:00 +010
       
  • An efficient technique for morphing zero-genus 3D objects

    • Abstract: In this paper, we present an algorithm to morph a zero-genus mesh model to a topologically equivalent one based on spherical parameterization, as it is the natural parameterization method for this kind of objects. Our algorithm starts by normalizing the two objects to the cube of unity, as a preprocessing step. Then, the two normalized models are parameterized onto a common spherical domain....
      PubDate: Wed, 16 Jul 2014 00:00:00 +010
       
  • Measurement and modeling of the effect of gamma irradiation on
           radiofrequency dielectric properties of bovine kidney tissue

    • Abstract: The effect of gamma irradiation on the radiofrequency dielectric properties of bovine kidney tissue has been investigated using gamma irradiator (Gs 1000), booton (7200) capacitance meter, signal generator (Lodstars SG-416013) and Dielectric cells Mathematic models of the following dielectric structural parameter, Dielectric spread parameter (), dielectric decrement () and Dielectric relaxat...
      PubDate: Mon, 30 Jun 2014 00:00:00 +010
       
  • Research in physical properties of AlxGa1-xAs III-V Arsenide ternary
           semiconductor alloys

    • Abstract: General description of III-Arsenide semiconductors is presented and significance of the present work is stressed. The electrical and optical properties of III-Arsenide from binary semiconductors are evaluated using the principle of additivity involving quadratic expressions. The electrical and optical properties studied in this group include refractive index, optical polarizability, absorpti...
      PubDate: Mon, 30 Jun 2014 00:00:00 +010
       
  • Studies on zinc oxide thin films by chemical spray pyrolysis technique

    • Abstract: Zinc oxide (ZnO) thin films were deposited by chemical spray pyrolysis (CSP) technique using zinc acetate dihydrate solutions on microscopic glass substrates by varying the precursor concentration. The prepared films were characterized structurally and optically, using the powder X-ray diffraction (XRD) and UV analysis and Photoluminescence analysis. Crystallographic properties were analyzed...
      PubDate: Mon, 16 Jun 2014 00:00:00 +010
       
  • Kinematics of the human hand applied to the design of prosthesis

    • Abstract: This work shows the application of a mechanism of four bars synthetized function used in the development of a prosthetic device with an underacted movement, for its application in people with a mutilation level close to the distal dislocation of the wrist. A methodology is exposed for this, from which the procedure for obtaining the trajectory of the four bars mechanism through the function ...
      PubDate: Mon, 16 Jun 2014 00:00:00 +010
       
  • Markov chain model for the dynamics of cooking fuel usage: Transition
           matrix estimation and forecasting

    • Abstract: Markov chain models are valuable tools for modeling data that vary over time. They are suitable models to use when modeling the transitions of variables between discrete states over time. In this paper, Markov chain model was applied to the data obtained from 300 households living in the headquarters of three Local Governments (Argungu, Arewa, and Augie) of Kebbi State, Nigeria. The data was...
      PubDate: Mon, 16 Jun 2014 00:00:00 +010
       
 
 
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