Search Results - "Elnawawy, M. S"

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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

    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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  4. 4

    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
  5. 5
  6. 6

    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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  7. 7

    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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  8. 8

    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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  9. 9

    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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  10. 10

    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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  11. 11

    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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  12. 12

    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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