Search Results - "Helal, O M"

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  1. 1

    Structural and optical properties of SeGe and SeGeX (X = In, Sb and Bi) amorphous films by Fadel, M., Fayek, S.A., Abou-Helal, M.O., Ibrahim, M.M., Shakra, A.M.

    Published in Journal of alloys and compounds (19-10-2009)
    “…The optical properties of Se 0.62Ge 0.38 and Se 0.62Ge 0.35X 0.03 where [X = In, Sb and Bi] thin films has been investigated. Thin films used in these studies…”
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    Journal Article
  2. 2

    The photocatalytic activity of sprayed Zn1-xMgxO thin films by BOSHTA, M, ABOU-HELAL, M. O, GHONEIM, D, MOHSEN, N. A, ZAGHLOOL, R. A

    Published in Surface & coatings technology (01-10-2010)
    “…ZnO has received much attention in the degradation and complete mineralisation of environmental pollutants. For the purpose of increasing the photocatalytic…”
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    Journal Article
  3. 3

    The safety and efficacy of immediate post-placental IUD insertion versus the post-puerperal IUD insertion in women undergoing caesarean delivery by Dawoud, M A M, Helal, O M, El Komy, R O, El Sherbini, M M, Awad, M O, Moussa, M A

    “…\r\nObjective\r\nTo assess the safety and efficacy of immediate intrauterine contraceptive copper device (IUD) insertion following delivery of the placenta in…”
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    Journal Article
  4. 4

    Corrosion stability of SUS316L HVOF sprayed coatings as lightweight bipolar plate materials in PEM fuel cells by El-Khatib, K.M, Abou Helal, M.O, El-Moneim, A.A, Tawfik, H

    Published in Anti-corrosion methods and materials (01-01-2004)
    “…This study investigated the corrosion stability of high velocity oxy-fuel (HVOF) spray SUS316L coatings on aluminium substrate as lightweight bipolar plate…”
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  5. 5
  6. 6

    A Study on the Compatibility of NR-EPDM Blends Using Electrical and Mechanical Techniques by Abou-Helal, M. O., El-Sabbagh, S. H.

    Published in Journal of elastomers and plastics (01-10-2005)
    “…Systematic electrical and physicomechanical studies have been carried out on natural rubber (NR) blended with synthetic rubber ethylene-propylene diene monomer…”
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  7. 7
  8. 8

    Synthesized Nanostructures of Oxostannate Cs2Sn2O3 with a Prospective Study of Structural, Electrical, Optical, and Luminescence Properties: Effect of Annealing Temperature by El Desouky, Fawzy G., Abou-Helal, M. O.

    “…Abstract The study provides a unique approach for controlling the structural, electrical, optical, and photoluminescence characteristics of oxostannate Cs 2 Sn…”
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  9. 9

    Preparation of TiO 2 thin films by spray pyrolysis to be used as a photocatalyst by Abou-Helal, M.O, Seeber, W.T

    Published in Applied surface science (15-07-2002)
    “…Transparent TiO 2 thin films were successfully prepared on glass substrates by using spray pyrolysis technique. The films are amorphous at deposition…”
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  10. 10

    Transparent semiconducting ZnO:Al thin films prepared by spray pyrolysis by Seeber, W.T, Abou-Helal, M.O, Barth, S, Beil, D, Höche, T, Afify, H.H, Demian, S.E

    “…Aluminum doped zinc oxide (ZnO:Al) films which can be used as transparent electrodes or heating layers have been deposited by the low cost spray pyrolysis…”
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  11. 11

    Retrospective Analysis of Treatment Modalities and Survival of Patients with Cervical Cancer in Ain Shams University Maternity Hospital from 2012 to 2017 by Elshalakany, A H, Mamdouh, A M, Helal, M M O

    Published in QJM : An International Journal of Medicine (01-03-2020)
    “…Abstract Background cervical carcinoma is considered the second most common cause of gynecological malignancy death following ovarian carcinoma. The incidence…”
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    Journal Article
  12. 12

    The photocatalytic activity of sprayed Zn1 a degree xMgxO thin films by Boshta, M, Abou-Helal, MO, Ghoneim, D, Mohsen, NA, Zaghlool, R A

    Published in Surface & coatings technology (15-10-2010)
    “…ZnO has received much attention in the degradation and complete mineralization of environmental pollutants. For the purpose of increasing the photocatalytic…”
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    Journal Article
  13. 13
  14. 14

    Rare earth ion doped semiconducting films by spray pyrolysis by Abou-Helal, M.O., Seeber, W.T.

    Published in Journal of non-crystalline solids (01-09-1997)
    “…A simple spray pyrolysis technique has been employed for the preparation of thin films of crystalline semiconductors ZnO and SnO 2. Furthermore, these…”
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