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Wyszukujesz frazę "Darwish, Mohamed" wg kryterium: Autor

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    Wyświetlanie 1-4 z 4
    Tytuł:
    On the existence of a fuzzy integral equation of Urysohn-Volterra type
    Autorzy:
    Darwish, Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/729473.pdf
    Data publikacji:
    2008
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    fuzzy integral equation
    Urysohn-Volterra
    Hausdorff metric
    Schauder fixed point theorem
    Opis:
    We present an existence theorem for integral equations of Urysohn-Volterra type involving fuzzy set valued mappings. A fixed point theorem due to Schauder is the main tool in our analysis.
    Źródło:
    Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2008, 28, 1; 75-82
    1509-9407
    Pojawia się w:
    Discussiones Mathematicae, Differential Inclusions, Control and Optimization
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Upper and lower solutions method for partial discontinuous fractional differential inclusions with not instantaneous impulses
    Autorzy:
    Abbas, Saïd
    Benchohra, Mouffak
    Abdalla Darwish, Mohamed
    Powiązania:
    https://bibliotekanauki.pl/articles/729578.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Zielonogórski. Wydział Matematyki, Informatyki i Ekonometrii
    Tematy:
    fractional differential inclusion
    left-sided mixed Riemann-Liouville integral
    Caputo fractional order derivative
    upper solution
    lower solution
    extremal solution
    fixed point
    Banach algebras
    not instantaneous impulses
    Opis:
    In this paper, we use the upper and lower solutions method combined with a fixed point theorem for multivalued maps in Banach algebras due to Dhage for investigations of the existence of solutions of a class of discontinuous partial differential inclusions with not instantaneous impulses. Also, we study the existence of extremal solutions under Lipschitz, Carath´eodory and certain monotonicity conditions
    Źródło:
    Discussiones Mathematicae, Differential Inclusions, Control and Optimization; 2016, 36, 2; 155-179
    1509-9407
    Pojawia się w:
    Discussiones Mathematicae, Differential Inclusions, Control and Optimization
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Energy-Aware WiFi Network Selection via Forecasting Energy Consumption
    Autorzy:
    Abdrabou, Atef
    Darwish, Mohamed
    Dalao, Ahmed
    AlKaabi, Mohammed
    Abutaqiya, Mahmoud
    Powiązania:
    https://bibliotekanauki.pl/articles/226857.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    energy
    consumption
    forecast
    WiFi
    IoT
    Opis:
    Covering a wide area by a large number of WiFi networks is anticipated to become very popular with Internet-of-things (IoT) and initiatives such as smart cities. Such network configuration is normally realized through deploying a large number of access points (APs) with overlapped coverage. However, the imbalanced traffic load distribution among different APs affects the energy consumption of a WiFi device if it is associated to a loaded AP. This research work aims at predicting the communication-related energy that shall be consumed by a WiFi device if it transferred some amount of data through a certain selected AP. In this paper, a forecast of the Energy consumption is proposed to be obtained using an algorithm that is supported by a mathematical model. Consequently, the proposed algorithm can automatically select the best WiFi network (best AP) that the WiFi device can connect to in order to minimize energy consumption. The proposed algorithm is experimentally validated in a realistic lab setting. The observed performance indicates that the algorithm can provide an accurate forecast to the energy that shall be consumed by a WiFi transceiver in sending some amount of data via a specific AP.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 2; 339-345
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Prevalence of intestinal parasites among the population of the Gaza Strip, Palestine
    Autorzy:
    Mezeid, N.
    Shaldoum, F.
    Al-Hindi, A.I
    Mohamed, F.S.A.
    Darwish, Z.E.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/5938.pdf
    Data publikacji:
    2014
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    prevalence
    intestinal parasite
    parasite
    population
    health problem
    Gaza Strip region
    Palestine
    Opis:
    Intestinal parasitic diseases in Gaza Strip are a significant health problem. The main aim of this study is to determine the prevalence of parasitic infection among patients in the five governorates of the Gaza Strip. A crosssectional parasitological survey was conducted on 600 patients. Stool specimens were examined microscopically for the presence of parasite eggs or larvae/cysts per wet amount by the saline iodine and formol-ether concentration method. Of 600 subjects examined, 245 (40.8%) were infected with one or more intestinal parasites. Entamoeba histolytica/dispar and Giardia lamblia were the most prevalent parasites amongst the population (28.8%), (9.5%). Female patients demonstrated a higher prevalence of intestinal parasitic infections (42.7%) than males (39.0%). However, this difference was not significant (p>0.05). According to occupation, the rate of infection was highest among farmers (56.0%), followed by employers (44.2%) with laborers showing the lowest rate (30.17%). These differences in occupational prevalence were found to be statistically significant (p<0.05). The present study demonstrates that intestinal protozoan infections are still a public health problem in the Gaza strip, with Entamoeba and Giardia infections being most common. Therefore, it is necessary to develop effective prevention and control strategies, including health education and environmental sanitation improvement.
    Źródło:
    Annals of Parasitology; 2014, 60, 4
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
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