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    استخدام ظاهرة الرنين النووي (ظاهرة موسباور) في مجمال دراسة فخار الآثار القديمة 

    Eissa, N. A. [نبيل عيسى] ( Qatar University , 1981 , Article)
    أصبح استخدام الطرق العلمية الموضوعية لازماً لتأكيد النتائج الذاتية التي يتوصل إليها علماء الآثار، وطريقة طيف موسباور المستخدمة في البحث الحالي تعتبر أحدث الطرق العلمية الفيزيائية التي استخدمت في مجال دراسة الفخار الذي عثرت ...
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    On the Propagation of Elastic-plastic Wave in the Half Space 

    El Dewik, Fawzi-Shaban [فوزي شعبان الدويك] ( Qatar University , 1981 , Article)
    The problem of the propagation of the elastic-plastic wave in the half-space occupied by and elastic-plastic medium has been studied. Treatments were carried out under the Assumption of perpendicular load, on the boundary, ...
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    Overhead Allocation: a Goal Programming Approach 

    Badran, Yehia [يحيى بدران] ( Qatar University , 1981 , Article)
    Overhead is an incurred cost which is matched against cost objects via an intervening base of allocation. The problem of overhead allocation is to come up with a cost allocation procedure which is objective, applies, ...
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    The Neurosecretory Cells and Neurosecretions in the Developmental Stages of the Cotton Leafworm -Spodoptera Littoralis (B) 

    Banhawy, M. A. [محمود احمد البنهاوي]; Anwar, Ibrahim M. ( Qatar University , 1981 , Article)
    In 1955 Nayar described two types of neurosecretory cells in lphita limbata (A- and B-types) [1]. Later, Johannson [2] classified these cells into four categories: A, B, C and D, which he regarded as motor neurones of ...
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    p,q Ideal of Operators in Banach Spaces 

    El Shobaky, E. [انتصارات محمد حسن الشبكي] ( Qatar University , 1981 , Article)
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    Dehydration of Ethanol over HF-treated Al2 O3 using the GC-column as Chemical Reactor 

    Ebeid, Fikry M. [فكري عبيد]; Alkaaby, Sherifa S. ( Qatar University , 1981 , Article)
    The effect of treating •y-alumina with hydrofluoric acid on the dehydration reaction of ethanol was investigated at 325°C. The gas chromatographic column was used as a chemical reactor. The rate of formation of ethylene ...
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    Translation - invariant Positive-definite Generalized Kernels of Infinite Number of Variables 

    Gali, I. M. [ابراهيم غالي]; El-Bab, A. S. Okb; El-Desouky, A. T. ( Qatar University , 1981 , Article)
    In the theory of spectral analysis of positive-definite j<.ernels, there exist well-developed methods based on the ideas of Krein connected with the construction of a Hilbert space by means of a kernel [ 1, 11]. In the ...
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    Petrophysical Studies on Samples from Eocene Exposures West Cairo-Egypt 

    Hassan, N. M. [ناصر محمد حسن]; Sherif, Omar H.; Ragab, Mohamed A. ( Qatar University , 1981 , Article)
    The present work deals with petrophysical and petrochemical studies on 58 limestone samples of Eocene age in two localities west of Cairo (Sakkara and Giza Pyramids Plateau). The determined petrophysical properties are: ...
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    Mechanism of Dehydration of Ethanol over Alumina 

    Ebeid, Fikry M. [فكري عبيد] ( Qatar University , 1981 , Article)
    The dehydration reaction of ethanol to ether and ethylene was kinetically investigated in a flow system using •y-alumina. Pyridine was found to inhibit the formation of ethylene and ether. The rate of ethylene formation ...
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    Synthesis and biological activity of some new 3-and 6-substituted coumarin amino acid derivatives. Part I 

    El-Naggar, A. M.; Ahmed, F. S. M.; El-Salam, A. M. A.; Radi, M. A.; Latif, M. S. A. ( Wiley-Blackwell , 1981 , Article)
    The synthesis of 6-nitrocouarrain-3-CO-amino acids and their corresponding methyl esters (II-XVII) and some dipeptide methyl esters (XVIII-XXVI) are described. 6-(N-Tosyl- or N-phthalylaminoacyl)aminocoumarin-3-carboxylic ...
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      Eissa, N. A. [نبيل عيسى] (4) Ebeid, Fikry M. [فكري عبيد] (2) El Shobaky, E. [انتصارات محمد حسن الشبكي] (2) Kinghorn, A. M. (2) ... View More
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      Mathematics (5) الرياضيات (5) الفيزياء (4) Chemistry (3) ... View More
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