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Journal Cover International Journal of Physical Sciences
  [SJR: 0.12]   [H-I: 21]   [0 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 1992-1950
   Published by Academic Journals Homepage  [108 journals]
  • Multiples in Onshore Niger Delta from 3D prestack seismic data

    • Abstract: The presence of multiples has been investigated in Onshore Niger Delta using 3D seismic data. The aim of the study was to investigate the characteristics of reflection events beyond 3s two way time on seismic data behind the boundary faults associated with the shadow zone. This involves detailed velocity analysis on semblance plot panel and accounting for moveouts due to reflections away and...
      PubDate: Mon, 16 Jan 2017 00:00:00 +010
       
  • Calibration and estimation of efficiency of Geiger Muller counter using a
           standard radioactive source

    • Abstract: The beta counting system uses a Geiger-Muller (GM) tube to detect the presence of beta contamination present in filter paper samples or in planchet samples. The counting system is enabled with a provision to count the samples at various distances from the detector to the sample position. The efficiency of the counting system is provided by the manufacturer at the time of procurement which is...
      PubDate: Mon, 16 Jan 2017 00:00:00 +010
       
  • Energy saving by applying the fuzzy cognitive map control in controlling
           the temperature and humidity of room

    • Abstract: This paper investigated the implementing of soft computing methodology of fuzzy cognitive map on controlling parameters of heating, ventilating and air-conditioning systems. In the past few years, many researches have been done on application of different controllers on heating, ventilating and air-conditioning system as a more energy consuming part of the building automation system. Unlike ...
      PubDate: Mon, 16 Jan 2017 00:00:00 +010
       
  • Sandwich panels from cork and polyester in presence of epoxy resin as
           interfacial adhesive

    • Abstract: This work presents an experimental study to determine the mechanical properties in bending, tension, compression and shear of a new sandwich material based on natural materials (jute and cork). The sandwich material is made basically of natural materials whose soul is agglomerated cork white (located in Jijel, East of Algeria) and the skins are woven jute with ortho phthalic polyester resin....
      PubDate: Fri, 30 Dec 2016 00:00:00 +010
       
  • Numerical modeling and determination of parameters characteristic of a
           photovoltaic module LRAER (FST Nouakchott)

    • Abstract: The main objective of this work is to study, develop and establish an approach through the mathematical model of performance CENERG under the term (MC). This model is used to characterize the parameters of photovoltaic systems in the literature. For this, we have considered the required performance is normally measured in standard test conditions (STC), where an average solar spectrum AM 1.5...
      PubDate: Fri, 30 Dec 2016 00:00:00 +010
       
  • Phasors from the linear algebra perspective applied to RLC circuits

    • Abstract: Phasors provide a simple way to analyze sinusoidally excited linear circuits. Solutions of those circuits would be undoable otherwise. Besides, measurement units in phasors are a technological resource that powers with precision the observation of the electric power system dynamic state. In the last technological research in electronics, through this units tension phasors and current phasors...
      PubDate: Fri, 16 Dec 2016 00:00:00 +010
       
  • Some fish species in offshore Fukushima, Japan ability to accumulate a
           specific nuclide (radioisotope)

    • Abstract: The Tokyo Electric Power Companys, Fukushima Dai-ichi nuclear power plant in Fukushima-Ken (Fukushima Prefecture), Japan, was destroyed in March 2011 by a massive magnitude 9 earthquake (centred offshore to the northeast of Honshu Island) and by the subsequent historic Tsunami of March 11, 2011. Because of the nuclear meltdown, hydrogen-explosion damage to the buildings that housed the react...
      PubDate: Wed, 30 Nov 2016 00:00:00 +010
       
  • Troubled roads: Application of surface geophysics to highway failures of
           the sedimentary terrain (Iruekpen-Ifon Road) of Edo State, Nigeria

    • Abstract: As part of effort to examine the factors responsible for highway failure in the sedimentary terrain, geophysical survey involving Very Low Frequency Electromagnetic (VLF-EM), Schlumberger Vertical Electrical Sounding (VES), and dipole-dipole electrical resistivity techniques were carried out along Iruekpen-Ifon highway. This was aimed at using surface geophysics to characterize and identify ...
      PubDate: Wed, 30 Nov 2016 00:00:00 +010
       
  • Thermo-economic study of hybrid cooling tower systems

    • Abstract: In this paper, the effects of ambient temperature and relative humidity on performance of wet, dry, and two combined cooling systems are studied for a typical 250 MW power plant in Hamedan, Iran. Although there have been many works in background of effects of different parameters on performance of cooling towers, there is no detail analysis about different alternatives of hybrid cooling syst...
      PubDate: Wed, 30 Nov 2016 00:00:00 +010
       
  • Investigation of self-association, optical transition probability and
           hetero-association with chlorogenic acid of nicotinamide using UV-Vis
           spectroscopy

    • Abstract: The self-association, optical transition probabilities, and hetero-association with chlorogenic acid of nicotinamide were obtained from UV-Vis spectroscopy in aqueous solution at room temperature (293K). The dimerization constant of nicotinamide ( ) was obtained using dimer model by nonlinear curve fitting technique. The hetero-association constant in the system of molecules of nicotinamide ...
      PubDate: Wed, 16 Nov 2016 00:00:00 +010
       
 
 
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