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  1. No Access

    Article

    Moisture Diffusivity and Photothermal Excitation in Non-Local Semiconductor Materials with Laser Pulses

    The impact of moisture diffusivity on the free surface of an elastic non-local semiconductor medium for a one-dimensional (1D) deformation is examined using a novel model. The problem is designed to investigat...

    Shreen El-Sapa, Khaled Lotfy, Alaa A. El-Bary, M. H. Ahmed in Silicon (2023)

  2. No Access

    Article

    Metallurgical Failure Analysis of Hydraulic Drilling Jar

    Hydraulic drilling jar (HDJ) was twisted off (fractured) at the end of the female-threaded box connection with upper lock housing during drilling operation in Egyptian oil company. The failed HDJ was used in d...

    M. A. El-Zomor, M. H. Ahmed, M. A. Elhelaly… in Transactions of the Indian Institute of Me… (2022)

  3. No Access

    Article

    Thomson and rotation effects during photothermal excitation process in magnetic semiconductor medium using variable thermal conductivity

    This study investigates a strong magnetic field acting over an elastic rotator semiconductor medium. The Thomson effect due to the magnetic field during the photothermal transport process is studied, and the t...

    K. Lotfy, A. K. Khamis, A. A. El-Bary, M. H. Ahmed in Applied Mathematics and Mechanics (2020)

  4. No Access

    Article

    Human Impacts on Geological and Cultural Heritage in the Coastal Zone West of Alexandria to Al-Alamein, Egypt

    A combination of remote sensing and field surveying is used to detect changes within the coastal zone west of Alexandria towards Al-Alamein. The satellite images used are Landsat Thematic Mapper and SPOT image...

    H. M. El-Asmar, M. H. Ahmed, M. M. N. Taha, E. M. Assal in Geoheritage (2012)

  5. No Access

    Article

    Registry of the clinical characteristics of spondyloarthritis in a cohort of Egyptian population

    The aim of this study was to characterize the socioeconomic features, as well as disease activity and functional status, treatment use, and quality of life in a cohort of Egyptian population. All are measured ...

    M. Y. Tayel, E. Soliman, W. F. El Baz, A. El Labaan… in Rheumatology International (2012)

  6. No Access

    Article

    Hydrological characteristics of three North African coastal lagoons: insights from the MELMARINA project

    Hydrological and hydrodynamic characteristics are important controls in all wetlands including coastal lagoons. Enhanced understanding of lagoon functioning can be obtained through the acquisition and interpre...

    J. R. Thompson, R. J. Flower, M. Ramdani, F. Ayache, M. H. Ahmed… in Hydrobiologia (2009)

  7. No Access

    Article

    Sediment distribution and accumulation in lagoons of the Southern Mediterranean Region (the MELMARINA Project) with special reference to environmental change and aquatic ecosystems

    Surface sediments and sediment cores were collected from coastal lagoons and lakes located in the Southern Mediterranean Region (SMR) as part of the MELMARINA Project which involved integrated eco-hydrological...

    R. J. Flower, P. G. Appleby, J. R. Thompson, M. H. Ahmed, M. Ramdani… in Hydrobiologia (2009)

  8. No Access

    Article

    Application of remote sensing to site characterisation and environmental change analysis of North African coastal lagoons

    This article describes the use of satellite imagery for identifying key environmental characteristics within three North African coastal lagoons (Merja Zerga, Morocco; Ghar El Melh, Tunisia and Lake Manzala, E...

    M. H. Ahmed, B. M. El Leithy, J. R. Thompson, R. J. Flower, M. Ramdani… in Hydrobiologia (2009)

  9. No Access

    Article

    Environmental influences on the qualitative and quantitative composition of phytoplankton and zooplankton in North African coastal lagoons

    Within the framework of the international research project MELMARINA, seasonal dynamics of plankton communities in three North African coastal lagoons (Merja Zerga, Ghar El Melh, and Lake Manzala) were investi...

    M. Ramdani, N. Elkhiati, R. J. Flower, J. R. Thompson, L. Chouba… in Hydrobiologia (2009)

  10. No Access

    Article

    Hydrodynamic-ecological model analyses of the water quality of Lake Manzala (Nile Delta, Northern Egypt)

    Lake Manzala remains the largest of the Nile Delta lakes and has undergone substantial recent changes particularly over the last 30 years due to regulation of freshwater inflows, land reclamation and increasin...

    E. Kock Rasmussen, O. Svenstrup Petersen, J. R. Thompson, R. J. Flower… in Hydrobiologia (2009)

  11. No Access

    Article

    The fish fauna of three North African lagoons: specific inventories, ecological status and production

    This paper examines the ecological and biological status of fisheries in three coastal lagoons in the southern Mediterranean region: Merja Zerga in Morocco, Ghar El Melh in Tunisia and Lake Manzala in Egypt. D...

    M. M. Kraïem, L. Chouba, M. Ramdani, M. H. Ahmed, J. R. Thompson… in Hydrobiologia (2009)

  12. No Access

    Article

    Tamoxifen induced-non-alcoholic steatohepatitis (NASH): Has the time come for the oncologist to be diabetologist

    M.H. Ahmed, K.A. Osman in Breast Cancer Research and Treatment (2006)