American Journal of Physics and Applications

Archive

Volume 3, Issue 4, July 2015

  • Study of Gamma-Ray Attenuation Coefficients of Some Glasses Containing CdO

    G. S. M. Ahmed, A. S. Mahmoud, S. M. Salem, T. Z. Abou-Elnasr

    Issue: Volume 3, Issue 4, July 2015
    Pages: 112-120
    Received: 23 May 2015
    Accepted: 1 June 2015
    Published: 17 June 2015
    DOI: 10.11648/j.ajpa.20150304.11
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    Abstract: Iron–phosphate glasses containing heavy metal cations are important material, especially when used to attenuate γ-ray and / or fast neutrons. Therefore, some glasses had been prepared, having the composition [(70 mol % P2O5. 15 mol % Na2O. 15 mol % Fe2O3) + x CdO, where 0 ≤ x ≤ 30 mole]. The melting temperature was 1200 ºc and the annealing tempera... Show More
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  • On the Mathematical Calibration of the Active Well Neutron Coincidence Counter (AWCC)

    Wael A. El-Gammal, Ahmed G. Mostafa, Mootaz Ebied

    Issue: Volume 3, Issue 4, July 2015
    Pages: 121-130
    Received: 27 May 2015
    Accepted: 1 June 2015
    Published: 2 July 2015
    DOI: 10.11648/j.ajpa.20150304.12
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    Abstract: Generation of calibration curves for radiation detectors are essential in radiation spectroscopy. Such curves usually relate some characteristic quantities of measured samples (such as radioactivity of a certain isotope or its mass) with the output of the used detector (counting rates). The most direct and easiest way to generate these curves is pe... Show More
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  • Analysis of Molecular Dynamic Simulations Using Wavelet-Based Techniques

    A. Abdel-Hafiez

    Issue: Volume 3, Issue 4, July 2015
    Pages: 131-137
    Received: 9 June 2015
    Accepted: 26 June 2015
    Published: 7 July 2015
    DOI: 10.11648/j.ajpa.20150304.13
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    Abstract: In this paper, I focus on describe, calculate and analyze of molecular dynamic (MD) simulations using wavelet transform (WT) techniques by analogy with its use in signal and image processing, so that I would like to talk about the theoretical background wavelet transform methods, including what properties they have, their common types, and how to o... Show More
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  • Interpretation of the Fact That “Thoughts Become Things” Through the Consciousness Model

    Dhananjay Pal

    Issue: Volume 3, Issue 4, July 2015
    Pages: 138-158
    Received: 21 June 2015
    Accepted: 29 June 2015
    Published: 14 July 2015
    DOI: 10.11648/j.ajpa.20150304.14
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    Abstract: A single field emerged at the origin of the universe, already containing within itself the blueprint of the physical universe. The primordial single field triggered the onset of the universe. Most physicists believe that a single super-force dominated the first instants of creation. Scientists have arrived at a simple but decisive conclusion that c... Show More
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