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العلاقات التجارية بين الصقالبة والعرب المسلمين في القرنين الثالث والرابع الهجرين / التاسع والعاشر الميلاديين
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Qatar University
, 2002 , Article)
الممارسة المهنية للخدمة الاجتماعية مع الأحداث المنحرفين في النظام القضائي القطري
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Qatar University
, 2002 , Article)
A Qualitative Approach to Direct Inference Principle
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Qatar University
, 2002 , Article)
In this paper,we study the suitability of a symbolic model of syllogistic reasoning and direct inference principle with the representation and the management of knowledge based on statistical information and evaluated in ...
A Rational Exponential Model for Unconstrained Non-Linear Optimization
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Qatar University
, 2002 , Article)
In this Paper, a new algorithm based on the non-quadratic model is suggested for solving unconstrained optimization problems which modifies the classical conjugate gradiant methods. This technique has the same properties ...
Heavy Metals Concentration Levels in some Fish Species in the Red Sea and Gulf of Aden-Yemen
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Qatar University
, 2002 , Article)
Level of heavy metals (Zn, Cu, Pb, and Cd) in four species of fish; manly, fish, Crenidens Crenidens, Scomberomorus Commerson, Rastrelliger Kanagurta, Thunnus Albacares were studied in the Red Sea of Yemen and the Gulf of ...
Developmental Stages of the Acquisition of Negation and interrogation by Children Native Speakers of Qatari Dialect
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Qatar University
, 2002 , Article)
The developmental stages of Qatari Dialect interrogatives and negatives are described in this paper. Four children were included in this study, ranging in age from one year and six months to nine years. According to the ...
Synthesis and Spectroscopic Studies ofAtenolol Derivatives with Enhanced Lipophilicity as Potential Prodrugs
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Qatar University
, 2002 , Article)
Atenolol, a selective pi-adrenoceptor blocking agent is characterized by its low bioavailability. A number of atenolol prodrugs were synthesized to improve its lipid solubility and hence bioavailability. These compounds ...
Trace Metals in Wastewater Ponds in Qatar
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Qatar University
, 2002 , Article)
A one-year monitoring program was conducted to determine the extent of metal contamination in two wastewater ponds in Qatar. Abu-Hamour pond receives untreated domestic and industrial waste while Abu-NakhIa pond receives ...
Effect of Different Doses of Inorganic Fertilizer on Water Quality, Primary Productivity and Production of Nile Tilapia (Oreochromis niloticus) in Earthen Ponds
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Qatar University
, 2002 , Article)
Earthen ponds (surface area 155 m2 each) were used to study the effect of different doses of inorganic fertilizer on water quality and fish production. Each pond was stocked with 150 fish of Nile tilapia; Oreochromis ...
Cloning and Expression of Methionine-enriched Glycinin GY4-Genes in E. Coli
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Qatar University
, 2002 , Article)
Cloned cDNAs encoding glycinin subunit GY4 was modified to increase methionine content. The effect of the modification was evaluated using an in vitro transcription / translation system. The modifications were carried out ...