Now showing items 214-233 of 2240

    • Corrosion Failures: Identification, Diagnosis & Remedies 

      Shawki, G. S. A.; Kandeil, A.Y. ( Qatar University , 1988 , Article)
      This paper deals with the nature, typical surface features and common forms of corrosion. It also reports corrosion rates in various locations and under differing environmental conditions, viz. tropical, marine, urban and ...
    • Corrosion of n-GaAs/aqueous Photoelectrochemical Cell 

      Al Jaber, Amina [امينة سلطان الجابر] ( Qatar University , 2005 , Article)
      A combination of electrochemical studies, scanning electron microscopy, SEM, and light reflectivity measurements reveals information about the corrosion of enlightened n-GaAs in various aqueous electrolytes. The corrosion ...
    • The Cosmology of H. P. Lovecraft 

      Kutrieh, Marcia G. ( Qatar University , 1985 , Article)
    • Creativity/Productivity of Child's Language: A Case of Qatari Dialect 

      Al-Buainain, Haifa ( Qatar University , 1999 , Article)
    • Creep Buckling Of Plates Under Biaxial Compression 

      Ashour, H. A.; Shaker, Magdy A. ( Qatar University , 1992 , Article)
      This work presents an analysis for the creep buckling problem of geometrically imperfect rectangular flat plates under biaxial compression with simple support boundary conditions. The analysis is based on a non-dimensional ...
    • A critical analysis of "harvest index" 

      Ismail, A. M. A. [احمد محمد علي اسماعيل] ( Qatar University , 1993 , Article)
      The many ways in which harvest index ratio (HI) can be used are discussed. A selection of published values for HI are given. Attention is drawn to the confusion in calculating the HI such that some present methods of ...
    • A critical study of crusoe's mind and character 

      Siddiqi, M. Habib ( Qatar University , 1990 , Article)
      Daniel Defoe's Robinson Crusoe is considered as the most important precursor of the English Novel or even as the first English Novel. Literary critics have discussed the character of Robinson Crusoe from different literary ...
    • The crusading plans during the fourteenth and fifteenth century 

      Al Hajji, Hayat Nasser ( Qatar University , 1982 , Article)
    • Crystal hydration and vacancy enhanced isotopic exchange reactions in Heterogeneous solid - liquid systems 

      Braun, T. [تيبور براون] ( Qatar University , 1994 , Article)
      The rate of some heterogeneous isotopic exchange reactions can be enhanced by the simultaneous hydration of the solid participating in the exchange process. The results presented here show that the concomitant hydration ...
    • Culture and industrialization with an examination of the Japanese work situation 

      El Adly, Farouk ( Qatar University , 1983 , Article)
      The present treatise which is connected with man in an industrial culture, is intended to throw further light on some cultural bases of industrialization and its human implications and to chart the strategic concepts and ...
    • Culture and language in second and foreign language teaching 

      Byram, Michael ( Qatar University , 1990 , Article)
      I will try to do three things in this paper: - to begin what I consider to be the necessary development of a theory of cultural learning for language teachers - whether involved in second or foreign language teaching. - ...
    • Current-Mode Neural Networks For Solving Nonlinear Programming Problems 

      AI Naima, Fawzi ( Qatar University , 2000 , Article)
      In this paper, neural networks for online solution of linear and nonlinear programming problems are presented. Current mode circuits are used in the design of networks. Transimpedance techniques based current conveyors are ...
    • Cytological Studies On The Effect Of The Herbicide "Dual" On Allium Cepa 

      El Bayoumi, A. S. [عبد العزيز البيومي]; Soliman, M.; Habib, A. A. ( Qatar University , 1988 , Article)
      Dual is widely used in Egypt as an active herbicide against annual grass weeds in soybean, sunflower, sugar beet and maize. Cytological studies have been carried out to show the effect of the herbicide on cell division in ...
    • Cytology and palynology of common monocots in mariut, egypt i. Common species of the families alliceae and liliaceae 

      El Sadek, L. [ليلى صادق]; Ayyad, M.; El-Ghazaly, G. ( Qatar University , 1994 , Article)
      The present sludy includes cytological and palynological investigations of five species belonging to the families Alliaceae and Liliaceae, as an impetus for more in-depth floristic, taxonomic and phytogeographical ...
    • Decomposition of a Special Type of Machines 

      Hassan, M. H. [محمد حسن حسن]; Mustafa, M. A. ( Qatar University , 1994 , Article)
      In this paper, the concept of a finite n-state cyclic machine An is defined. These machines are then completely characterized using the prime factorization of n. Specifically, it is proved that any finite-state cyclic machine
    • Decomposition Of The Set Of Conditionally Exponential Convex Functions 

      El Bab, A. S. Okb [احمد عقب الباب]; El-Shazli, M. S. ( Qatar University , 1993 , Article)
      The theory of C* -algebra is used to develop a connection between the local extreme points and the topology of the spectrum space G.
    • 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 ...
    • Delineation of charged deltaic rock genetic types in algyo-2 hydrocarbon reservoir, hungary; Based on log curve shapes 

      El Sayed, Abdel Moktader A. [عبد المقتدر عبد العزيز السيد] ( Qatar University , 1986 , Article)
      Most of the deltaic sandstone reservoirs exhibit complex lithofacies as well as petrophysical variations in both time and space. Facies analysis and reconstruction of facies patterns for the Algyo-2 reservoir rocks encountered ...
    • Demersal Fish Resources Around Qatar 

      Sivasubramaniam, K. [ك. سيفاسبرامانيام]; Ibrahim, Mohamed Amin ( Qatar University , 1982 , Article)
      The study was based on the data available from Fishery Resources Survey in the Gulf and Gulf of Oman, conducted by F.A.O., between 1975 and 1979 and the samplings of the fish production in Qatar during 1980/81. The survey ...
    • A Demodulation Technique For Power System Local Frequency And Voltage Measurements 

      Soliman, S.A.; Alammari, R. A.; Al-Kandari, M. A.; El-Hawary, M. E. ( Qatar University , 2003 , Article)
      The demodulation technique of two complex signals is used to estimate the power system local frequency and voltage phasor. The first complex signal is generated from the three-phase voltage waveform by using the ...