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السجلات المعروضة 21 -- 30 من 147
The effects of sea water immersion on the mechanical properties of low density polythylene
(
Qatar University
, 1997 , Article)
The effects of immersion of low-density polyethylene (LDPE) m seawater for times of up to one year were studied using mechanical and ultrasonic techniques. The studies were carried out in the laboratories of the Faculties ...
A 6th-order local approximation by a cubic curve
(
Qatar University
, 1997 , Article)
We derive and present a MAPLE program for the construction of a parametric cubic polynomial curve which has sixth-order contract with a given smooth curve at a given point, thus providing a local sixth-order approximation ...
الاستشراق والعلاقات الإسلامية - اليهودية في السيرة النبوية
(
Qatar University
, 1997 , Article)
Optical Matching For Microwave Active Devices
(
Qatar University
, 1997 , Article)
This paper describes a microstrip optically controlled matching technique between microwave active devices with low impedance (less than 10 ohms) and a conventional 50 or 70 ohm communication system in the upper microwave ...
Thermometric Study of Inhibition of Aluminium Corrosion in Hydrochloric Acid Solution
(
Qatar University
, 1997 , Article)
The use of 6- amino - 4- (4-phenyl)-l,4- dihydro -3- methylpyrano [2,3- c] pyrazole -5- carbonitrile and some related compounds as corrosion inhibitors for aluminium in 2 M HCl solution was studied by the thermometric ...
دراسة لظاهرة انتشار الفيديو والاتجاه نحو استخدامه في ضوء بعض المتغيرات الديموجرافية
(
Qatar University
, 1997 , Article)
العلل الواردة في سنن الدارقطني (دراسة منهجية استقرائية)
(
Qatar University
, 1997 , Article)
يتناول هذا البحث دراسة لحجم العلل الواردة في سنن الدارقطني، وبيان أنواعها وتصنيفها في النعليل. ومن أبرز النتائج أن هذا الكتاب هو أحد مصنفات الحديث التي اشتملت على الصحيح والحسن والضعيف والموضوع. وأن واقعه ينفي ما هو مشهور ...
Plant phenology and its relation to the cool semi-arid condition of Sana'a
(
Qatar University
, 1997 , Article)
In the cool semi-arid highland areas of Sana'a a plant phenological study of forty two species revealed that there was one major
outburst of plant emergence corresponding with the first period of the heavy rainfall which ...
الجدل القرآني عند نجم الدين الطوفي
(
Qatar University
, 1997 , Article)
The Sultan of The Arab State of Zanzibar and The Regent 1902 - 1905
(
Qatar University
, 1997 , Article)
This research investigates the relations between Seyyid Ali Bin Hamoud, the Sultan of the Arab State of Zanzibar and Mr. Rogers, his First Minister and Regent from 1902 till 1905. The motives that led the British Government ...