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238,043 research outcomes, page 1 of 23,805
  • publication . Conference object . 2008
    Authors:
    H. A. Motaweh; T. G. Abdel-Malik;
    Persistent Identifiers
    Publisher: SPIE

    A composite of polyaniline (PANI) containing iron oxides (Fe 3 O 4 ) with nanometer size was prepared by a chemical method. The electrical properties of (PANI-Fe 3 O 4 ) sandwich structure using ohmic gold and blocking aluminium electrodes were studied. The current dens...

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  • publication . Conference object . 2016
    Authors:
    Hossam A. Gabbar; Khairy Sayed;
    Persistent Identifiers
    Publisher: IEEE

    This paper presents the dynamic performance of a smart distribution system. A detailed power distribution system model has been developed with a smart electronic transformer using the MATLAB/ Simulink power systems simulation package. The results are presented using thi...

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  • publication . Article . 2017
    Closed Access
    Authors:
    Hassan M. Helmy; Alessandro Bragagni;
    Persistent Identifiers
    Publisher: Elsevier BV

    Abstract The platinum-group element (PGE) contents in magmatic ores and rocks are normally in the low μg/g (even in the ng/g) level, yet they form discrete platinum-group mineral (PGM) phases. IPGE (Os, Ir, Ru) + Rh form alloys, sulfides, and sulfarsenides while Pt and ...

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  • publication . Article . Preprint . 2020
    Open Access English
    Authors:
    Sachiko Kodera; Essam A. Rashed; Akimasa Hirata;
    Persistent Identifiers
    Publisher: Multidisciplinary Digital Publishing Institute

    This study analyzed the morbidity and mortality rates of the coronavirus disease (COVID-19) pandemic in different prefectures of Japan. Under the constraint that daily maximum confirmed deaths and daily maximum cases should exceed 4 and 10, respectively, 14 prefectures ...

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  • publication . Article . 2013
    Open Access English
    Authors:
    Mostafa Elshazly; H. Hosny; H. Abdel-Hafiz; Abir Zakaria; K. Elkaffas; N. Okasha;
    Persistent Identifiers
    Publisher: Wolters Kluwer Medknow Publications

    Abstract Background Idiopathic pulmonary fibrosis (IPF) is defined as a specific form of chronic fibrosing interstitial pneumonia limited to the lung, with the histopathology of UIP on surgical lung biopsy. Recent epidemiological evidence indicates that patients with IP...

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  • publication . Article . 2001
    Authors:
    Mohamed Abdel-Aty; M. Sebawe Abdalla; A.-S. F. Obada;
    Publisher: IOP Publishing

    In the language of quantum information theory we study the entropy squeezing of a two-level atom in a Kerr-like medium. A definition of squeezing is presented for this system, based on information theory. The utility of the definition is illustrated by examining the ent...

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  • publication . Article . 2019
    Open Access English
    Authors:
    Elaiw, A. M.; Alshehaiween, S. F.; Hobiny, A. D.; Abbas, I. A.;
    Persistent Identifiers
    Publisher: AIP Publishing LLC

    In this paper we construct virus dynamics models with impairment of B-cell functions. Two different forms of the incidence rate have been considered, bilinear and general. The latently infected cells have been incorporated into the models. The well-posedness of the mode...

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  • publication . Preprint . Article . 2005
    Open Access English
    Authors:
    Adel Awad; N. Chamoun; Shaaban Khalil;
    Persistent Identifiers

    We study the effect of adding charged matter fields to both D3 and D7 branes in type IIB string theory compactification with fluxes. Generically, charged matter fields induce additional terms to the Kahler form, the superpotential and the D-terms. These terms allow for ...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Mohammad Shahidul Islam; Abdullah Mohammed Al-Majid; Mohammad Azam; Ved Prakash Verma; Assem Barakat; Matti Haukka; Abdullah A. Elgazar; Amira Mira; Farid A. Badria;
    Persistent Identifiers
    Publisher: American Chemical Society (ACS)
    Country: Finland

    Twenty-five new hits of spirooxindole analogs 8a–y engrafted with indole and pyrazole scaffolds were designed and constructed via a [3+2]cycloaddition (32CA) reaction starting from three components: new chalcone-based indole and pyrazole scaffolds 5a–d, substituted isat...

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  • publication . Conference object . 2017
    Open Access
    Authors:
    HH Al Sherbeni; S Metawie; R Abdel salam; H Azizi;
    Persistent Identifiers
    Publisher: BMJ Publishing Group Ltd and European League Against Rheumatism

    Background Ocular involvement is a common and serious manifestation of Behcet9s disease (BD). It occurs in about 70% of the patients and is associated with a high risk of blindness (Kacmaz et al., 2008). Color Doppler is used for imaging retrobulbar vasculature. It meas...

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238,043 research outcomes, page 1 of 23,805