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Now showing items 61-70 of 107
The use of Robot Redundancy in Contour Path Operations for Selected Manufacturing Applications
(
IEEE
, 1992 , Conference Paper)
Redundant robots have many applications and use in path synthesis for crowded workspace and in minimum time control path tracking problems. In selected manufacturing applications - such as spray painting, continuous welding, ...
Inhibitive Effect of Butyltin Trichloride on Dissolution and Localized Corrosion of Aluminium in Sodium Hydroxide and Hydrochloric Acid
(
WILEY-VCH Verlag
, 1990 , Article)
The dissolution of aluminium in sodium hydroxide and hydrochloric acid in the presence of butyltin trichloride as corrosion inhibitor has been studied by hydrogen evolution and thermometric methods. Experimental findings ...
Constituents of Plants Growing in Qatar, Part XXVI: Phytochemical investigation of Rumex vesicarius
(1995 , Article)
The study of Rumex vesicarius revealed the isolation and identification of four anthraquinones (chrysoplanol (I), emodin (II), physcion (III) and rhein (IV) and seven flavonoids (apigenin (V), isoorientin (VI), isovitesin ...
Helminth parasites of fishes from two inland lakes in Egypt
(
Nihon Kiseichu Gakkai
, 1990 , Article)
Results of helminthological examination of 1243 fishes, caught from two inland lakes, with unique and contrasting hydrobiological features at Fayoum Governate in Egypt, are presented.
General incidence of trematodes, ...
Guaianolides from Centaurea sinaica
(
Elsevier
, 1990 , Article & Report)
Three sesquiterpene lactones were isolated from the aerial parts of Centaurea sinaica: amberboin, chlorohyssopifolin A and sinaicin. The latter is reported for the first time.
Analysis of the thermal expansion behavior of oriented polyoxymethylene sheets
(
Wiley Subscription Services, Inc., A Wiley Company
, 1996 , Article)
The applicability of the molecular composite model is extended to include the analysis of the thermal expansion behavior of oriented (anisotropic) polyoxymethylene. The model accounts for changes in the morphological and ...
Triterpenoids from Salvia aegyptiaca
(1993 , Article)
Newly isolated secondary metabolites from Salvia aegyptiaca growing in Qatar
Photosynthetic acclimation to high temperatures in wheat
(
John Wiley & Sons, Ltd.
, 1992 , Article)
Growth and photosynthetic performance were assessed for the Finnish wheat Triticum aestivum L. var. APU under a cool (13/10�C day/night) and a warm (30/25�C day/night) regime. Plants exhibited a certain degree of acclimation ...
الفكر والتفكير في ضوء الكتاب والسنة
(
مجلس النشر العلمي - جامعة الكويت
, 1998 , Article)
التفكير هو الميزان الذي يـوزن به الرجال ، والذي توزن به الأعمال ، وما النية التي جعلها الشارع أساس صلاح العمل بقوله : ( إنما الأعمال بالنيات ) – إلا حلقة من حلقات التفكير ، فهي العزم والتصميم ، واتخاذ القرار بعد الفحص ...
Effects of substituting fish meal with Azolla pinnata in practical diets for fingerling and adult Nile tilapia, Oreochromis niloticus (L.)
(
Blackwell Publishing Ltd
, 1992 , Article)
Dry and fresh Azolla pinnata were evaluated as feed ingredients for fingerling and adult Nile tilapia, Oreochromis niloticus (L.). Dry Azolla was incorporated into practical diets containing approximately 30% crude protein ...