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الدين والفلسفة
(
Qatar University
, 1990 , Article)
Paragorgorhynchus aswanensis n.sp. (acanthocephala: Echinorhychidae): an intestinal parasite of some fishes from aswan high dam lake in upper egypt
(
Qatar University
, 1990 , Article)
Paragorgorhynchus aswanensis n.sp. is described, both by light and scanning electron microscopy, from Lates niloticus,, Clarias lazera, Bagrus bayad, B. docmac, and Tetraodon fahaka, caught from the Aswan High Dam Lake in ...
المعجم العربي الأساسي إضاءة ونقد
(
Qatar University
, 1990 , Article)
Effect of sulphates in cement (containing 5% pozzolana) and in sand on the correlation between compressive strength and u.p.v. of concrete of different mixes
(
Qatar University
, 1990 , Article)
Sulphates may be found in any of the raw materials of cement. Sand contaminated with sulphates is currently a local problem because of the difficulty in obtaining well-graded sand which could be used in concrete that has ...
Blastema Volume And Nuclear Size In The Regenerating Hind Limbs In Larvae Of Xenopus Laevis And Bufo Regularis After Transection At The Ankle Level
(
Qatar University
, 1990 , Article)
After amputation at the ankle level of hind limbs in larval Xenopus laevis and Bufo regularis, an increase in the nuclear volume of blastema and stump tissue cells was observed. The cells in the distal region of blastema ...
مستقبل الثقافة في مصر لطه حسين : دراسة وتحليل
(
Qatar University
, 1990 , Article)
الحرية الاقتصادية في الإسلام
(
Qatar University
, 1990 , Article)
ولاية الحسبة في عهد العباسيين
(
Qatar University
, 1990 , Article)
Effects of acid smut production on Design of industrial chimneys
(
Qatar University
, 1990 , Article)
Atmospheric, mechanical and chemical kinds of attacks on industrial chimneys constructed of brickwork, concrete and steel are discussed. Acid smut production in chimneys is described. Two of the factors, widely regarded ...
Economy as a factor in language change
(
Qatar University
, 1990 , Article)