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التسعير بين القانون القطري والمنظور الإسلامي
(
كلية العلوم الإنسانية والاجتماعية
, 1999 , Article)
فقد شرع الله البيع توسعة منه على عباده فقال تعالى (واحل الله البيع وحرم الربا، وهذا ما أكده رسول الله (صلى الله عليه وسلم) عندما سّئل عن أطيب الكسب، فقال : «عمل الرجل بيده , وكل بيع مبرور».
وكما هو معروف أن لكل فرد من ...
Effects of Stocking Density and Feeding Levels on Growth Rates and Feed Utilization of Rabbitfish Siganus canaliculatus
(
John Wiley & Sons, Ltd.
, 1995 , Article)
Dynamic behavior of mixer-settlers
(
Wiley Subscription Services, Inc., A Wiley Company
, 1990 , Article)
A mathematical model has been developed to simulate and predict the dynamic behavior of liquid extraction counter current operations in mixer-settler units. Murphree efficiency has been included in the model. The behavior ...
Glycosides of Heterocycles: A Direct Route to 1-(β-D-Glycopyranosyl)pyridinethione Nucleosides
(
WILEY-VCH Verlag
, 1994 , Article)
A novel synthesis of 1-(β-d-glycopyranosyl)pyridinethione nucleosides 6 utilizing pyridine-2(1H)-thiones 3 and α-halogeno sugars 4 as starting components is reported.
Expansion of fisheries in Qatar (1980-1992): Growth of an artisanal fleet and closure of a trawling company
(
Elsevier Science B. V.
, 1995 , Article)
Total fish landings in Qatar increased from 1736 t per annum in 1980 to 7845 t in 1992. Ninetythree percent of this growth was due to an increase in the artisanal fleet exemplified by increases in: (i) numbers of vessels ...
Synthesis and biological activity of some new 3-and 6-substituted coumarin amino acid derivatives. Part I
(
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 ...
Constituents of Plants Growing in Qatar, Part XXX: A New Iridoid from Cistanche Phelypaea (L) COUT
(1995 , Article)
New iridoid named phelypaeside (1) was isolated from the dried aerial parts of Cistanche phelypae (Orobanchaceae) growing in Qatar
Optical and electrical properties of a new polymer
(
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 ...
Fatty acid composition of twelve algae from the Coastal Zones of Qatar
(
Kluwer Academic Publishers
, 1997 , Article)
Fatty acid composition of twelve algal species from two different classes were determined. Three Chlorophyta species(Axetabularia calyxulux, Cladophors sericoides and Dictyosphaeria cavernosa) and nine Phaephyta species ...
Flavonoids from Centaurea sinaica
(1992 , Article)
Four Newly isolated flavonoids from Centaurea sinaica