Browsing by Author "Kassem, M."

Now showing items 1-6 of 6

    • Diffuse Phase Transition In Non-Stoichiometric LiRbSO4 Crystals 

      Al Houty, L.; Kassem, M. E.; El-Muraikhi, M.; Mohammad, A. A. ( Qatar University , 1992 , Article)
      The influence of changing the ratio of Li2S04 on the structure transition of (RbxLi1-x)2S04 , LRS crystals, where x ranged from 0.1 to 0. 7, was studied by thermal analysis techniques in the temperature range 300 - 600 K. ...

    • Effect of gamma radiation on the morphology and Thermophysical properties of the pollen wall of Phoenix dactylifera L. 

      El-Ghazaly, Gamal; Kassem, M.E. ( Qatar University , 1994 , Article)
      Pollen grains of Phoenix dactylifera were exposed to different doses of gamma radiation (250,500,1000 rad and 1 M rad). To access the effect of radiation on the external morphology of the pollen grains, they were examined ...

    • The effects of sea water immersion on the mechanical properties of low density polythylene 

      Mohamed, Z. [زهير محمد القاسم]; Kassem, M. E. ( Qatar University , 1997 , Article)
      The effects of immersion of low-density polyethylene (LDPE) m seawater for times of up to one year were studied using mechanical and ultrasonic techniques. The studies were carried out in the laboratories of the Faculties ...

    • On the preparation of electron sensor using LiRbSO4 samples 

      El-Muraikhi, M.; Kassem, M. E.; Gaafar, M.; Abdel Gawad, M. M. H.; Ragab, I. M. ( WILEY-VCH Verlag GmbH & Co. , 2005 , Article)
      The dielectric spectroscopy of metal�metal sulfate LiRbSO4 samples are described with particular emphasis on sensor performance to be used in the field of radiation. The obtained results as the effect of different electron ...

    • Optical and electrical properties of a new polymer 

      Shahada, Lamies; Kassem, M. E.; Abdelkader, H. I.; Hassan, H. M. ( John Wiley & Sons, Inc. , 1997 , Article)
      Thin film of poly (5-isopropylidenecyclo-1,4-vinylene-2,3-dicarboxylicacidamide-s-methyl hydrazinecarbodithioate) (II) (Scheme 1) of 5 μm thickness was prepared. The dielectric properties of the prepared sample were studied ...

    • Ultrasonic and thermal properties of γ-irradiated low-density polyethylene 

      Zahran, R. R.; Kandeil, A. Y.; Higazy, A. A.; Kassem, M. E. ( John Wiley & Sons, Inc. , 1993 , Article)
      The ultrasonic pulse-echo technique and differential thermal analysis were utilized to characterize and to monitor the effect of ?-irradiation on the sonic modulus and the heat effect of low-density polyethylene. The sonic ...