Advances in Applied Sciences

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Volume 7, Issue 2, June 2022

  • An Efficient Model in Calculating Anharmonic XAFS Debye-Waller Factor of Metal Crystals

    Nguyen Thi Ngoc Anh, Nguyen Ngoc Thang, Dang Van Trong

    Issue: Volume 7, Issue 2, June 2022
    Pages: 21-26
    Received: 25 May 2022
    Accepted: 9 June 2022
    Published: 20 June 2022
    DOI: 10.11648/j.aas.20220702.11
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    Abstract: The X-ray absorption fine structure (XAFS) is often used effectively to determine many structural parameters and dynamic properties of materials, so calculating the temperature-dependent XAFS Debye-Waller (DW) factor of metal crystals will be a necessary addition to the advanced material technique. In this work, the thermodynamic parameters are der... Show More
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  • Signal Steganography Using Different Wavelets and Their Comparisons

    Shemanta Kumar Biswas, Redwanul Islam, Md. Rafiqul Islam

    Issue: Volume 7, Issue 2, June 2022
    Pages: 27-32
    Received: 9 May 2022
    Accepted: 25 May 2022
    Published: 30 June 2022
    DOI: 10.11648/j.aas.20220702.12
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    Abstract: The process of inserting secret data in any media as pictures, audio, video, text and protocol, also it can be empathy this secret connection is called steganography. At present, the widespread use of internet applications has become a security risk. Steganography is used to overcome this undesirable situation. It shows a significant character in m... Show More
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