Search Results - "Elnawawy, M."

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  1. 1

    The impact of the AGN and the torus properties on the evolution of spiral galaxies by Abdulrahman, M A, Gadallah, K A K, Ahmed, A, Elnawawy, M S

    “…For spiral galaxies, the active galactic nucleus (AGN) and some physical parameters that concern the host galaxy such as spiral arm radius and density can play…”
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    Journal Article
  2. 2

    A standalone prediction model for atomic oxygen and coronal mass ejections by Mahmoud, W. M., Elfiky, D., Robaa, S. M., Elnawawy, M. S., Yousef, S. M.

    Published in Astrophysics and space science (01-03-2023)
    “…This paper presents a standalone predictive model for Atomic Oxygen (AO), Coronal Mass Ejections (CMEs) and other space-environment parameters. The prediction…”
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    Journal Article
  3. 3

    FPGA Realizations of Chaotic Epidemic and Disease Models Including Covid-19 by Elnawawy, M., Aloul, F., Sagahyroon, A., Elwakil, A. S., Sayed, Wafaa S., Said, Lobna A., Mohamed, S. M., Radwan, Ahmed G.

    Published in IEEE access (01-01-2021)
    “…The spread of epidemics and diseases is known to exhibit chaotic dynamics; a fact confirmed by many developed mathematical models. However, to the best of our…”
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    Journal Article
  4. 4

    Two-Dimensional Rotation of Chaotic Attractors: Demonstrative Examples and FPGA Realization by Sayed, W. S., Radwan, A. G., Elnawawy, M., Orabi, H., Sagahyroon, A., Aloul, F., Elwakil, A. S., Fahmy, H. A., El-Sedeek, A.

    Published in Circuits, systems, and signal processing (01-10-2019)
    “…In this work, we demonstrate the possibility of performing two-dimensional rotation on a chaotic system. This enables the rotation of its attractor in space…”
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    Journal Article
  5. 5

    FPGA implementation of a chaotic oscillator with odd/even symmetry and its application by Tolba, M.F., Elwakil, A.S., Orabi, H., Elnawawy, M., Aloul, F., Sagahyroon, A., Radwan, A.G.

    Published in Integration (Amsterdam) (01-05-2020)
    “…We propose a mathematical system capable of exhibiting chaos with a chaotic attractor which is odd symmetrical in the x − y phase plane but even symmetrical in…”
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  6. 6

    Effect of Atomic Oxygen on LEO CubeSat by Mahmoud, W. M., Elfiky, D., Robaa, S. M., Elnawawy, M. S., Yousef, S. M.

    “…Atomic oxygen (AO) is a major threat to satellites in Low Earth Orbits (LEO). AO causes serious damage to satellites such as erosion, corrosion and damage to…”
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  7. 7

    the impact of the AGN and the torus properties on the evolution of spiral galaxies by Abdulrahman, M. A, Gadallah, K. A. K, Ahmed, A, Elnawawy, M. S

    Published 30-12-2022
    “…For spiral galaxies, the active galactic nucleus (AGN) and some physical parameters that concern the host galaxy such as spiral arm radius and density can play…”
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    Journal Article
  8. 8
  9. 9

    ANTIOXIDANT AND ANTIRADICAL ACTIVITY OF GREEN TEA (Camellia sinensis) AQUEOUS EXTRACT AND ITS CAPABILITY TO RETARDATION OF RATS LIVER CIRRHOSIS by S. Bakr, Y. Kishk, Soad Ali, M. Elnawawy

    “…he aim of the present study was to optimize the extraction conditions of green tea aqueous extract [green tea concentration (G) and extraction temperature…”
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  10. 10
  11. 11

    Microbial synthesis of 3-deoxy-D-erythro-hex-2-ulosonic acid 6-phosphate by Knappmann, B R, el-Nawawy, M A, Schlegel, H G, Kula, M R

    Published in Carbohydrate research (07-04-1993)
    “…A microbial route was explored for the synthesis of 3-deoxy-D-erythro-hex-2-ulosonic acid 6-phosphate (2-keto-3-deoxy-6-phosphogluconate, KDPG). Two strains of…”
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    Journal Article
  12. 12

    The magnetic field in a protostellar cloud by EL-NAWAWY, M. S

    Published in Astrophysics and space science (01-02-1990)
    “…The present investigation of both the isothermal and nonisothermal regions' B-rho relation gives attention to the magnetic dissipation, which can occur by way…”
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  13. 13

    Magnetic flux dissipation in a collapsing protostar by El-Nawawy, M. S., Aiad, A., El-Shalaby, M. A.

    “…We discuss the redistribution of magnetic flux in a collapsing protostellar magnetic cloud subject to Ohmic dissipation. We have calculated numerically the…”
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  14. 14

    The Rosseland mean opacity of interstellar grains by ALI, A, EL-NAWAWY, M. S, EL SHALABY, M. A

    Published in Astrophysics and space science (01-02-1992)
    “…The opacity of interstellar grains in the temperature range 10-1500 K is calculated. Two composite grain models have been considered. One of them consists of…”
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  15. 15

    Shock waves and the chemical structure of interstellar clouds by AMIN, M. Y, EL-NAWAWY, M. S, EL-SHALABY, M. A

    Published in Astrophysics and space science (01-11-1991)
    “…The effect of shock waves on the chemical structure of the interstellar clouds is studied. A model of molecular cloud has been assumed. The chemistry is…”
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  16. 16

    Dynamics of shock waves in a contracting cloud by AMIN, M. Y, EL-NAWAWY, M. S, EL SHALABY, M. A

    Published in Astrophysics and space science (01-11-1991)
    “…The dynamics of the shock waves in a contracting interstellar cloud is examined, with emphasis on the thermal state. The major cooling and heating mechanisms…”
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  17. 17

    The evolution of charged particles in a model of contracting cloud by El-Nawawy, M. S., Amin, M. Y.

    Published in Earth, moon, and planets (01-01-1996)
    “…The evolution of charged particles is followed during contraction of a model of an interstellar cloud, with initial density number of n = 10/cu cm. The…”
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  18. 18

    The chemical evolution in a model of contracting cloud by Amin, M. Y., El-Nawawy, M. S.

    Published in Earth, moon, and planets (01-01-1996)
    “…The evolution of the different chemical species are followed in a model of contracting interstellar cloud. The central density increases from n = 10/cu cm in a…”
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